package controller

import (
	"context"
	"crypto/hmac"
	"crypto/sha256"
	"encoding/base64"
	"encoding/hex"
	"encoding/json"
	"fmt"
	"hash"
	"io"
	"net/http"
	"net/url"
	"os"
	"path/filepath"
	"strconv"
	"strings"
	"time"

	"dubbo.apache.org/dubbo-go/v3/client"
	"dubbo.apache.org/dubbo-go/v3/common/constant"
	"github.com/aliyun/aliyun-oss-go-sdk/oss"
	"github.com/aliyun/credentials-go/credentials"
	"github.com/gin-gonic/gin"
	"github.com/google/uuid"
	"github.com/topfans/backend/gateway/config"
	"github.com/topfans/backend/gateway/dto"
	"github.com/topfans/backend/gateway/pkg/response"
	"github.com/topfans/backend/gateway/repository"
	"github.com/topfans/backend/pkg/database"
	pbAsset "github.com/topfans/backend/pkg/proto/asset"
	pbCommon "github.com/topfans/backend/pkg/proto/common"
	"go.uber.org/zap"

	"github.com/topfans/backend/pkg/logger"
	"github.com/topfans/backend/pkg/models"
	pbGallery "github.com/topfans/backend/pkg/proto/gallery"
	pbUser "github.com/topfans/backend/pkg/proto/user"
	"github.com/topfans/backend/services/assetService/service"
)

// AssetController 资产相关控制器
type AssetController struct {
	assetService   pbAsset.AssetService
	userService    pbUser.UserSocialService
	galleryService pbGallery.GalleryService
	minimaxService service.MinimaxService
	laserRepo      *repository.LaserCardRepository
}

// NewAssetController 创建资产控制器
func NewAssetController(assetClient *client.Client, userClient *client.Client, galleryClient *client.Client) (*AssetController, error) {
	ctrl := &AssetController{laserRepo: repository.NewLaserCardRepository(database.GetDB())}
	// 创建 AssetService 客户端
	assetService, err := pbAsset.NewAssetService(assetClient)
	if err != nil {
		return nil, err
	}

	// 创建 UserService 客户端
	userService, err := pbUser.NewUserSocialService(userClient)
	if err != nil {
		return nil, err
	}

	// 创建 GalleryService 客户端
	galleryService, err := pbGallery.NewGalleryService(galleryClient)
	if err != nil {
		return nil, err
	}

	return &AssetController{
		assetService:   assetService,
		userService:    userService,
		galleryService: galleryService,
		minimaxService: service.NewMinimaxService(),
		laserRepo:      ctrl.laserRepo,
	}, nil
}

// UploadImage 上传图片（URL方式）
// @Summary 上传图片
// @Description 上传图片到系统（提供图片URL）
// @Tags assets
// @Accept json
// @Produce json
// @Security BearerAuth
// @Param request body object{image_url=string,type=string} true "图片URL和类型: cover/material"
// @Success 200 {object} response.Response
// @Router /api/v1/assets/upload [post]
func (ctrl *AssetController) UploadImage(c *gin.Context) {
	// 解析请求参数
	var req struct {
		ImageURL string `json:"image_url" binding:"required"`
		Type     string `json:"type"` // cover, material，默认cover
	}

	if err := c.ShouldBindJSON(&req); err != nil {
		response.Error(c, http.StatusBadRequest, "参数错误: "+err.Error())
		return
	}

	// 验证URL格式
	if !isValidURL(req.ImageURL) {
		response.Error(c, http.StatusBadRequest, "无效的图片URL")
		return
	}

	// 设置默认类型
	if req.Type == "" {
		req.Type = "cover"
	}

	// 验证类型
	if req.Type != "cover" && req.Type != "material" {
		response.Error(c, http.StatusBadRequest, "type必须是cover或material")
		return
	}

	// TODO: 后续可以添加图片审核逻辑
	// TODO: 后续可以添加AI生成逻辑

	// 目前直接返回原URL
	// 后续可以：
	// 1. 下载图片到本地/OSS
	// 2. 进行审核
	// 3. AI处理
	// 4. 返回处理后的URL

	// 生成上传ID（可选）
	uploadID := generateUploadID()

	logger.Logger.Info("Image uploaded",
		zap.String("image_url", req.ImageURL),
		zap.String("type", req.Type),
		zap.String("upload_id", uploadID),
	)

	response.Success(c, gin.H{
		"pic_url":   req.ImageURL, // 目前直接返回原URL
		"upload_id": uploadID,     // 上传ID，用于后续取消
	})
}

// isValidURL 验证URL格式
func isValidURL(urlStr string) bool {
	u, err := url.Parse(urlStr)
	return err == nil && u.Scheme != "" && u.Host != ""
}

// generateUploadID 生成上传ID
func generateUploadID() string {
	return fmt.Sprintf("upload_%d_%s", time.Now().Unix(), uuid.New().String()[:8])
}

// parseRPCError 解析 Dubbo RPC 错误字符串
// 格式: "code_17: 错误消息" 或 "Failed to xxx: code_17: 错误消息"
func parseRPCError(err error) (code int, message string) {
	if err == nil {
		return http.StatusOK, ""
	}

	errStr := err.Error()

	// 查找最后一个 "code_XX:" 出现的位置（处理嵌套错误）
	if strings.Contains(errStr, "code_") {
		// 找到 "code_" 的最后一个位置
		lastCodeIdx := strings.LastIndex(errStr, "code_")
		if lastCodeIdx != -1 {
			// 从 "code_" 开始提取后面的部分
			remaining := errStr[lastCodeIdx:]

			// 分割 "code_XX: message"
			parts := strings.SplitN(remaining, ":", 2)
			if len(parts) == 2 {
				// 提取状态码
				codeStr := strings.TrimSpace(strings.TrimPrefix(parts[0], "code_"))
				if c, parseErr := strconv.Atoi(codeStr); parseErr == nil {
					code = c
				} else {
					code = http.StatusInternalServerError
				}

				// 提取并清理消息（去掉可能的前缀）
				message = strings.TrimSpace(parts[1])
				return code, message
			}
		}
	}

	// 如果不是标准格式，返回原始错误消息
	return http.StatusInternalServerError, errStr
}

// PreCreateMintOrder 阶段一：预创建铸造订单（生成 order_id）
// @Summary 预创建铸造订单（阶段一）
// @Description 上传素材后先创建 PENDING 订单，返回 order_id，前端决定是否继续铸造或取消
// @Tags assets
// @Accept json
// @Produce json
// @Security BearerAuth
// @Param request body dto.PreCreateMintOrderRequestDTO true "预创建铸造订单请求"
// @Success 200 {object} response.Response
// @Router /api/v1/assets/mints/precreate [post]
func (ctrl *AssetController) PreCreateMintOrder(c *gin.Context) {
	userID, exists := c.Get("user_id")
	if !exists {
		response.Error(c, http.StatusUnauthorized, "未授权")
		return
	}
	starID, exists := c.Get("star_id")
	if !exists {
		response.Error(c, http.StatusUnauthorized, "未授权")
		return
	}

	var req dto.PreCreateMintOrderRequestDTO
	if err := c.ShouldBindJSON(&req); err != nil {
		response.Error(c, http.StatusBadRequest, "参数错误: "+err.Error())
		return
	}

	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
	defer cancel()
	ctx = context.WithValue(ctx, constant.AttachmentKey, map[string]interface{}{
		"user_id": strconv.FormatInt(userID.(int64), 10),
		"star_id": strconv.FormatInt(starID.(int64), 10),
	})

	resp, err := ctrl.assetService.PreCreateMintOrder(ctx, &pbAsset.PreCreateMintOrderRequest{
		Name:         req.Name,
		MaterialUrl:  req.MaterialURL,
		Description:  req.Description,
		MaterialType: req.MaterialType,
		Event:        req.Event,
	})
	if err != nil {
		code, msg := parseRPCError(err)
		response.ErrorWithCode(c, code, msg)
		return
	}
	if resp.Base.Code != pbCommon.StatusCode_STATUS_OK {
		response.ErrorWithCode(c, int(resp.Base.Code), resp.Base.Message)
		return
	}

	// 复用 MintOrderDTO 输出
	data := map[string]interface{}{
		"order": dto.ConvertMintOrder(resp.Order),
	}
	response.Success(c, data)
}

// EstimateMintCost 估算铸造费用
// @Summary 估算铸造费用
// @Description 在用户确认铸造前，显示本次铸造消耗水晶数和当前余额
// @Tags assets
// @Accept json
// @Produce json
// @Security BearerAuth
// @Success 200 {object} response.Response
// @Router /api/v1/assets/mints/cost-estimate [post]
func (ctrl *AssetController) EstimateMintCost(c *gin.Context) {
	userID, exists := c.Get("user_id")
	if !exists {
		response.Error(c, http.StatusUnauthorized, "未授权")
		return
	}
	starID, exists := c.Get("star_id")
	if !exists {
		response.Error(c, http.StatusUnauthorized, "未授权")
		return
	}

	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
	defer cancel()
	ctx = context.WithValue(ctx, constant.AttachmentKey, map[string]interface{}{
		"user_id": strconv.FormatInt(userID.(int64), 10),
		"star_id": strconv.FormatInt(starID.(int64), 10),
	})

	resp, err := ctrl.assetService.EstimateMintCost(ctx, &pbAsset.EstimateMintCostRequest{})
	if err != nil {
		code, msg := parseRPCError(err)
		response.ErrorWithCode(c, code, msg)
		return
	}

	data := map[string]interface{}{
		"cost_crystal":    resp.CostCrystal,
		"current_balance": resp.CurrentBalance,
		"balance_after":   resp.BalanceAfter,
		"mint_count":      resp.MintCount,
		"next_tier_cost": resp.NextTierCost,
	}
	response.Success(c, data)
}

// CreateMintOrder 创建铸造订单
// @Summary 创建铸造订单
// @Description 创建一个新的数字藏品铸造订单
// @Tags assets
// @Accept json
// @Produce json
// @Security BearerAuth
// @Param request body dto.CreateMintOrderRequestDTO true "铸造订单请求"
// @Success 200 {object} response.Response
// @Router /api/v1/assets/mints [post]
func (ctrl *AssetController) CreateMintOrder(c *gin.Context) {
	// 从上下文获取用户信息
	userID, exists := c.Get("user_id")
	if !exists {
		response.Error(c, http.StatusUnauthorized, "未授权")
		return
	}

	starID, exists := c.Get("star_id")
	if !exists {
		response.Error(c, http.StatusUnauthorized, "未授权")
		return
	}

	// 解析请求参数
	var req dto.CreateMintOrderRequestDTO
	if err := c.ShouldBindJSON(&req); err != nil {
		response.Error(c, http.StatusBadRequest, "参数错误: "+err.Error())
		return
	}

	// 设置上下文和 Dubbo attachments
	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
	defer cancel()

	ctx = context.WithValue(ctx, constant.AttachmentKey, map[string]interface{}{
		"user_id": strconv.FormatInt(userID.(int64), 10),
		"star_id": strconv.FormatInt(starID.(int64), 10),
	})

	// 调用 RPC
	resp, err := ctrl.assetService.CreateMintOrder(ctx, &pbAsset.CreateMintOrderRequest{
		OrderId:      req.OrderID,
		Name:         req.Name,
		MaterialUrl:  req.MaterialURL, // material_url 必填，cover_url 由后端 AI 生成
		Description:  req.Description,
		Grade:        req.Grade,
		Tags:         req.Tags,
		MaterialType: req.MaterialType,
		Info:         req.Info,
	})

	if err != nil {
		logger.Logger.Error("CreateMintOrder RPC failed",
			zap.Int64("user_id", userID.(int64)),
			zap.Int64("star_id", starID.(int64)),
			zap.Error(err),
		)
		// 优先使用响应中的错误信息
		if resp != nil && resp.Base != nil && resp.Base.Message != "" {
			response.ErrorWithCode(c, int(resp.Base.Code), resp.Base.Message)
			return
		}
		// 解析 RPC 错误字符串
		code, msg := parseRPCError(err)
		response.ErrorWithCode(c, code, msg)
		return
	}

	// 处理响应
	if resp.Base.Code != pbCommon.StatusCode_STATUS_OK {
		response.ErrorWithCode(c, int(resp.Base.Code), resp.Base.Message)
		return
	}

	// 转换响应
	data := dto.ConvertCreateMintOrderResponse(resp)

	// 为 material_url 生成预签名 URL（参考头像上传的方式，返回带签名的 URL）
	if data != nil && data.Asset.MaterialURL != "" {
		cfg := config.Load()
		// 从 material_url 中提取 OSS key
		materialURL := data.Asset.MaterialURL
		ossKey := ctrl.extractOSSKeyFromURL(materialURL)
		if ossKey != "" {
			// 确保 ossKey 没有被 URL 编码（extractOSSKeyFromURL 已经处理了）
			// OSS SDK 的 SignURL 会自动对路径进行 URL 编码
			presignedURL, err := ctrl.generatePresignedURL(cfg.OSS, ossKey, 3600)
			if err == nil {
				data.Asset.MaterialURLSigned = presignedURL
				urlPreview := presignedURL
				if len(presignedURL) > 100 {
					urlPreview = presignedURL[:100] + "..."
				}
				logger.Logger.Info("Generated presigned URL for material_url",
					zap.String("material_url", materialURL),
					zap.String("oss_key", ossKey),
					zap.String("presigned_url_preview", urlPreview),
				)
			} else {
				logger.Logger.Warn("Failed to generate presigned URL for material_url",
					zap.String("material_url", materialURL),
					zap.String("oss_key", ossKey),
					zap.Error(err),
				)
			}
		} else {
			logger.Logger.Warn("Failed to extract OSS key from material_url",
				zap.String("material_url", materialURL),
			)
		}
	}

	// 镭射卡铸造：通过 instance_no 查找并更新实例状态
	if req.InstanceNo != "" && ctrl.laserRepo != nil {
		inst, err := ctrl.laserRepo.FindByInstanceNo(req.InstanceNo)
		if err == nil {
			var compositeMaterialID *int64
			asset := resp.GetAsset()
			if asset != nil {
				assetID := asset.GetAssetId()
				_ = ctrl.laserRepo.SetMintResult(inst.ID, assetID, req.OrderID, compositeMaterialID)
				_ = ctrl.laserRepo.CreateOperationLogSimple(
					inst.ID, inst.InstanceNo, userID.(int64),
					models.LaserCardActionMintSuccess,
					models.LaserCardInstanceStatusMinting,
					models.LaserCardInstanceStatusMinted,
				)
				logger.Logger.Info("Laser card instance minted",
					zap.Int64("instance_id", inst.ID),
					zap.String("instance_no", inst.InstanceNo),
					zap.Int64("asset_id", assetID),
				)
			}
		}
	}

	response.Success(c, data)
}

// GetMyAssets 获取我的藏品列表
// @Summary 获取我的藏品
// @Description 获取当前用户的数字藏品列表
// @Tags assets
// @Accept json
// @Produce json
// @Security BearerAuth
// @Param page query int false "页码，默认1"
// @Param page_size query int false "每页数量，默认20"
// @Param status query string false "藏品状态"
// @Param keyword query string false "搜索关键词"
// @Param sort query string false "排序方式，默认created_at_desc"
// @Success 200 {object} response.Response
// @Router /api/v1/assets/me/items [get]
func (ctrl *AssetController) GetMyAssets(c *gin.Context) {
	userID, _ := c.Get("user_id")
	starID, _ := c.Get("star_id")

	// 解析查询参数
	page, _ := strconv.Atoi(c.DefaultQuery("page", "1"))
	pageSize, _ := strconv.Atoi(c.DefaultQuery("page_size", "20"))
	status := c.Query("status")
	keyword := c.Query("keyword")
	sort := c.DefaultQuery("sort", "created_at_desc")

	// 设置上下文
	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
	defer cancel()

	ctx = context.WithValue(ctx, constant.AttachmentKey, map[string]interface{}{
		"user_id": strconv.FormatInt(userID.(int64), 10),
		"star_id": strconv.FormatInt(starID.(int64), 10),
	})

	// 调用 RPC
	resp, err := ctrl.assetService.GetMyAssets(ctx, &pbAsset.GetMyAssetsRequest{
		Page:     int32(page),
		PageSize: int32(pageSize),
		Status:   status,
		Keyword:  keyword,
		Sort:     sort,
	})

	if err != nil {
		logger.Logger.Error("GetMyAssets RPC failed", zap.Error(err))
		// 优先使用响应中的错误信息
		if resp != nil && resp.Base != nil && resp.Base.Message != "" {
			response.ErrorWithCode(c, int(resp.Base.Code), resp.Base.Message)
			return
		}
		// 解析 RPC 错误字符串
		code, msg := parseRPCError(err)
		response.ErrorWithCode(c, code, msg)
		return
	}

	if resp.Base.Code != pbCommon.StatusCode_STATUS_OK {
		response.ErrorWithCode(c, int(resp.Base.Code), resp.Base.Message)
		return
	}

	// 转换响应
	data := dto.ConvertGetMyAssetsResponse(resp)
	response.Success(c, data)
}

// GetMintOrder 查询铸造订单状态
// @Summary 查询铸造订单状态
// @Description 查询指定铸造订单的状态和详细信息。订单状态包括：PROCESSING（处理中）、SUCCESS（成功）、FAILED（失败）。成功时会返回关联的资产信息，包括 cover_url_signed（预签名URL）和 tx_hash（交易哈希）。
// @Tags assets
// @Accept json
// @Produce json
// @Security BearerAuth
// @Param order_id path string true "订单ID（UUID格式）"
// @Success 200 {object} response.Response{data=dto.GetMintOrderResponseDTO} "成功返回订单和资产信息"
// @Failure 400 {object} response.Response "参数错误"
// @Failure 401 {object} response.Response "未授权"
// @Failure 404 {object} response.Response "订单不存在"
// @Router /api/v1/assets/mints/{order_id} [get]
func (ctrl *AssetController) GetMintOrder(c *gin.Context) {
	// 从上下文获取用户信息
	userID, exists := c.Get("user_id")
	if !exists {
		response.Error(c, http.StatusUnauthorized, "未授权")
		return
	}

	starID, exists := c.Get("star_id")
	if !exists {
		response.Error(c, http.StatusUnauthorized, "未授权")
		return
	}

	// 获取订单ID
	orderID := c.Param("order_id")
	if orderID == "" {
		response.Error(c, http.StatusBadRequest, "order_id不能为空")
		return
	}

	// 设置上下文和 Dubbo attachments
	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
	defer cancel()

	ctx = context.WithValue(ctx, constant.AttachmentKey, map[string]interface{}{
		"user_id": strconv.FormatInt(userID.(int64), 10),
		"star_id": strconv.FormatInt(starID.(int64), 10),
	})

	// 调用 RPC
	resp, err := ctrl.assetService.GetMintOrder(ctx, &pbAsset.GetMintOrderRequest{
		OrderId: orderID,
	})

	if err != nil {
		logger.Logger.Error("GetMintOrder RPC failed",
			zap.Int64("user_id", userID.(int64)),
			zap.Int64("star_id", starID.(int64)),
			zap.String("order_id", orderID),
			zap.Error(err),
		)
		// 优先使用响应中的错误信息
		if resp != nil && resp.Base != nil && resp.Base.Message != "" {
			response.ErrorWithCode(c, int(resp.Base.Code), resp.Base.Message)
			return
		}
		// 解析 RPC 错误字符串
		code, msg := parseRPCError(err)
		response.ErrorWithCode(c, code, msg)
		return
	}

	// 处理响应
	if resp.Base.Code != pbCommon.StatusCode_STATUS_OK {
		response.ErrorWithCode(c, int(resp.Base.Code), resp.Base.Message)
		return
	}

	// 转换响应，并生成预签名 URL
	data := dto.ConvertGetMintOrderResponse(resp)

	// 加载 OSS 配置
	cfg := config.Load()

	// 为资产信息生成预签名 URL（如果存在）
	if data.Asset != nil {
		// 生成预签名 URL 的函数
		generatePresigned := func(ossURL string) (string, error) {
			// 从完整 URL 中提取 OSS key
			// 格式: https://bucket.oss-region.aliyuncs.com/key
			ossKey := ossURL
			if strings.HasPrefix(ossURL, "https://") {
				// 提取 key 部分
				// 例如: https://top-fans-test.oss-cn-shanghai.aliyuncs.com/asset/7/88/covers/123_1234567890.png
				// 需要提取: asset/7/88/covers/123_1234567890.png
				parts := strings.SplitN(ossURL, ".oss-", 2)
				if len(parts) == 2 {
					// parts[1] = "cn-shanghai.aliyuncs.com/asset/7/88/covers/123_1234567890.png"
					keyParts := strings.SplitN(parts[1], "/", 2)
					if len(keyParts) == 2 {
						ossKey = keyParts[1] // asset/7/88/covers/123_1234567890.png
					}
				}
			}

			// 使用 generatePresignedURL 生成预签名 URL
			return ctrl.generatePresignedURL(cfg.OSS, ossKey, 3600)
		}

		// 为 cover_url 生成预签名 URL
		if data.Asset.CoverURL != "" {
			if signedURL, err := generatePresigned(data.Asset.CoverURL); err == nil {
				data.Asset.CoverURLSigned = signedURL
				// 同时更新订单中的 cover_url_signed（如果订单状态为 SUCCESS）
				if data.Order.Status == "SUCCESS" {
					data.Order.CoverURLSigned = signedURL
				}
			} else {
				logger.Logger.Warn("生成 cover_url 预签名 URL 失败",
					zap.String("cover_url", data.Asset.CoverURL),
					zap.Error(err),
				)
			}
		}

		// 为 material_url 生成预签名 URL
		if data.Asset.MaterialURL != "" {
			if signedURL, err := generatePresigned(data.Asset.MaterialURL); err == nil {
				data.Asset.MaterialURLSigned = signedURL
			} else {
				logger.Logger.Warn("生成 material_url 预签名 URL 失败",
					zap.String("material_url", data.Asset.MaterialURL),
					zap.Error(err),
				)
			}
		}
	}

	response.Success(c, data)
}

// CancelMintOrder 取消铸造订单
// @Summary 取消铸造订单
// @Description 取消指定铸造订单
// @Tags assets
// @Accept json
// @Produce json
// @Security BearerAuth
// @Param order_id path string true "订单ID"
// @Success 200 {object} response.Response
// @Router /api/v1/assets/mints/{order_id} [delete]
func (ctrl *AssetController) CancelMintOrder(c *gin.Context) {
	// 从上下文获取用户信息
	userID, exists := c.Get("user_id")
	if !exists {
		response.Error(c, http.StatusUnauthorized, "未授权")
		return
	}

	starID, exists := c.Get("star_id")
	if !exists {
		response.Error(c, http.StatusUnauthorized, "未授权")
		return
	}

	// 获取订单ID
	orderID := c.Param("order_id")
	if orderID == "" {
		response.Error(c, http.StatusBadRequest, "order_id不能为空")
		return
	}

	// 设置上下文和 Dubbo attachments
	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
	defer cancel()

	ctx = context.WithValue(ctx, constant.AttachmentKey, map[string]interface{}{
		"user_id": strconv.FormatInt(userID.(int64), 10),
		"star_id": strconv.FormatInt(starID.(int64), 10),
	})

	// 调用 RPC
	resp, err := ctrl.assetService.CancelMintOrder(ctx, &pbAsset.CancelMintOrderRequest{
		OrderId: orderID,
	})

	if err != nil {
		logger.Logger.Error("CancelMintOrder RPC failed",
			zap.Int64("user_id", userID.(int64)),
			zap.Int64("star_id", starID.(int64)),
			zap.String("order_id", orderID),
			zap.Error(err),
		)
		// 优先使用响应中的错误信息
		if resp != nil && resp.Base != nil && resp.Base.Message != "" {
			response.ErrorWithCode(c, int(resp.Base.Code), resp.Base.Message)
			return
		}
		// 解析 RPC 错误字符串
		code, msg := parseRPCError(err)
		response.ErrorWithCode(c, code, msg)
		return
	}

	// 处理响应
	if resp.Base.Code != pbCommon.StatusCode_STATUS_OK {
		response.ErrorWithCode(c, int(resp.Base.Code), resp.Base.Message)
		return
	}

	// 返回响应
	response.Success(c, gin.H{
		"order_id": resp.OrderId,
		"status":   resp.Status,
	})
}

// GetAsset 获取资产详情
// @Summary 获取资产详情
// @Description 获取指定资产的详细信息
// @Tags assets
// @Accept json
// @Produce json
// @Security BearerAuth
// @Param asset_id path int true "资产ID"
// @Success 200 {object} response.Response
// @Router /api/v1/assets/{asset_id} [get]
func (ctrl *AssetController) GetAsset(c *gin.Context) {
	userID, _ := c.Get("user_id")
	starID, _ := c.Get("star_id")

	// 解析路径参数
	assetIDStr := c.Param("asset_id")
	assetID, err := strconv.ParseInt(assetIDStr, 10, 64)
	if err != nil {
		response.Error(c, http.StatusBadRequest, "参数错误: asset_id 必须为数字")
		return
	}

	// 设置上下文
	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
	defer cancel()

	ctx = context.WithValue(ctx, constant.AttachmentKey, map[string]interface{}{
		"user_id": strconv.FormatInt(userID.(int64), 10),
		"star_id": strconv.FormatInt(starID.(int64), 10),
	})

	// 调用 RPC
	resp, err := ctrl.assetService.GetAsset(ctx, &pbAsset.GetAssetRequest{
		AssetId: assetID,
	})

	if err != nil {
		logger.Logger.Error("GetAsset RPC failed",
			zap.Int64("asset_id", assetID),
			zap.Error(err),
		)
		// 优先使用响应中的错误信息
		if resp != nil && resp.Base != nil && resp.Base.Message != "" {
			response.ErrorWithCode(c, int(resp.Base.Code), resp.Base.Message)
			return
		}
		// 解析 RPC 错误字符串
		code, msg := parseRPCError(err)
		response.ErrorWithCode(c, code, msg)
		return
	}

	if resp.Base.Code != pbCommon.StatusCode_STATUS_OK {
		response.ErrorWithCode(c, int(resp.Base.Code), resp.Base.Message)
		return
	}

	// 转换响应
	data := dto.ConvertGetAssetResponse(resp)
	response.Success(c, data)
}

// GetAssetStatus 查询上链状态
// @Summary 查询上链状态
// @Description 查询指定资产的上链状态
// @Tags assets
// @Accept json
// @Produce json
// @Security BearerAuth
// @Param asset_id path int true "资产ID"
// @Success 200 {object} response.Response
// @Router /api/v1/assets/{asset_id}/status [get]
func (ctrl *AssetController) GetAssetStatus(c *gin.Context) {
	userID, _ := c.Get("user_id")
	starID, _ := c.Get("star_id")

	// 解析路径参数
	assetIDStr := c.Param("asset_id")
	assetID, err := strconv.ParseInt(assetIDStr, 10, 64)
	if err != nil {
		response.Error(c, http.StatusBadRequest, "参数错误: asset_id 必须为数字")
		return
	}

	// 设置上下文
	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
	defer cancel()

	ctx = context.WithValue(ctx, constant.AttachmentKey, map[string]interface{}{
		"user_id": strconv.FormatInt(userID.(int64), 10),
		"star_id": strconv.FormatInt(starID.(int64), 10),
	})

	// 调用 RPC
	resp, err := ctrl.assetService.GetAssetStatus(ctx, &pbAsset.GetAssetStatusRequest{
		AssetId: assetID,
	})

	if err != nil {
		logger.Logger.Error("GetAssetStatus RPC failed",
			zap.Int64("asset_id", assetID),
			zap.Error(err),
		)
		// 优先使用响应中的错误信息
		if resp != nil && resp.Base != nil && resp.Base.Message != "" {
			response.ErrorWithCode(c, int(resp.Base.Code), resp.Base.Message)
			return
		}
		// 解析 RPC 错误字符串
		code, msg := parseRPCError(err)
		response.ErrorWithCode(c, code, msg)
		return
	}

	if resp.Base.Code != pbCommon.StatusCode_STATUS_OK {
		response.ErrorWithCode(c, int(resp.Base.Code), resp.Base.Message)
		return
	}

	// 转换响应
	data := dto.ConvertGetAssetStatusResponse(resp)
	response.Success(c, data)
}

// GetOSSUploadSignature 获取 OSS 上传签名
// @Summary 获取OSS上传签名
// @Description 获取阿里云OSS上传签名和策略（阶段一：素材准备）。前端调用此接口获取上传签名后，可以直接上传图片到 OSS，获得 material_url。
// @Tags assets
// @Accept json
// @Produce json
// @Security BearerAuth
// @Param type query string false "上传类型: avatar/asset，默认asset"
// @Param order_id query string false "订单ID（可选）。不传则后端生成，并在响应中返回，用于后续铸造全流程唯一标识"
// @Success 200 {object} response.Response{data=object{order_id=string,policy=string,security_token=string,x_oss_signature_version=string,x_oss_credential=string,x_oss_date=string,signature=string,host=string,dir=string,key=string,expire_time=int}} "成功返回上传签名信息"
// @Failure 400 {object} response.Response "参数错误"
// @Failure 401 {object} response.Response "未授权"
// @Failure 500 {object} response.Response "OSS配置错误或生成签名失败"
// @Router /api/v1/assets/oss/upload-signature [get]
// @Router /api/v1/assets/oss/signature [get]
func (ctrl *AssetController) GetOSSUploadSignature(c *gin.Context) {
	// 1. 从上下文获取用户信息（可选，用于生成用户特定的上传目录）
	userID, _ := c.Get("user_id")
	starID, _ := c.Get("star_id")

	// 2. 获取上传类型参数
	uploadType := c.DefaultQuery("type", "asset") // 默认为 asset

	// 2.1 获取/生成 order_id（用于后续铸造全流程唯一标识）
	orderID := c.Query("order_id")
	if orderID == "" {
		orderID = uuid.New().String()
	}

	// 3. 验证上传类型
	if uploadType != "avatar" && uploadType != "asset" {
		response.Error(c, http.StatusBadRequest, "参数错误: type 必须是 avatar 或 asset")
		return
	}

	// 4. 加载配置
	cfg := config.Load()

	// 5. 验证配置
	if cfg.OSS.BucketName == "" || cfg.OSS.RoleArn == "" {
		response.Error(c, http.StatusInternalServerError, "OSS 配置未完成")
		return
	}

	// 6. 生成签名
	policyToken, err := ctrl.generateOSSPolicyToken(cfg.OSS, userID, starID, uploadType)
	if err != nil {
		logger.Logger.Error("Generate OSS signature failed",
			zap.Error(err),
			zap.String("upload_type", uploadType),
		)
		response.Error(c, http.StatusInternalServerError, "生成签名失败: "+err.Error())
		return
	}

	logger.Logger.Info("OSS signature generated successfully",
		zap.Any("user_id", userID),
		zap.Any("star_id", starID),
		zap.String("upload_type", uploadType),
		zap.String("order_id", orderID),
	)

	// 7. 返回签名信息
	policyToken["order_id"] = orderID

	// 7.1 阶段一：把 order_id 落库（创建 PENDING 草稿订单，幂等）
	// 说明：后续铸造接口必须携带该 order_id，服务端以 order_id 为唯一标识推进状态
	if userID != nil && starID != nil {
		ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
		defer cancel()
		ctx = context.WithValue(ctx, constant.AttachmentKey, map[string]interface{}{
			"user_id": strconv.FormatInt(userID.(int64), 10),
			"star_id": strconv.FormatInt(starID.(int64), 10),
		})
		if _, err := ctrl.assetService.InitMintOrder(ctx, &pbAsset.InitMintOrderRequest{OrderId: orderID}); err != nil {
			logger.Logger.Error("InitMintOrder failed",
				zap.String("order_id", orderID),
				zap.Error(err),
			)
			response.Error(c, http.StatusInternalServerError, "初始化订单失败: "+err.Error())
			return
		}
	}

	response.Success(c, policyToken)
}

// GetPublicOSSUploadSignature 公开版 OSS 上传签名（用于注册等未登录场景的头像上传）
// @Summary 获取公开 OSS 上传签名（注册流程用）
// @Description 用于注册等未登录场景下上传头像，无需鉴权。
// @Description 后端生成唯一完整 key，policy 锁到该 key，前端只能写到指定路径；key 形如 avatar/register-pending/{key}/avatar_<uuid>.png。
// @Tags assets
// @Accept json
// @Produce json
// @Param scene query string true "场景，目前固定为 register"
// @Param key query string true "前端传入的命名空间（注册时传 mobile），仅允许 [a-zA-Z0-9_-]，最长 32 字符"
// @Success 200 {object} response.Response{data=object{policy=string,security_token=string,x_oss_signature_version=string,x_oss_credential=string,x_oss_date=string,signature=string,host=string,dir=string,key=string,expire_time=int}} "成功返回上传签名信息"
// @Failure 400 {object} response.Response "参数错误"
// @Failure 500 {object} response.Response "OSS配置错误或生成签名失败"
// @Router /api/v1/public/oss/upload-signature [get]
func (ctrl *AssetController) GetPublicOSSUploadSignature(c *gin.Context) {
	scene := c.Query("scene")
	key := c.Query("key")
	if scene != "register" {
		response.Error(c, http.StatusBadRequest, "参数错误: scene 仅支持 register")
		return
	}
	if !isValidNamespaceKey(key) {
		response.Error(c, http.StatusBadRequest, "参数错误: key 仅允许字母数字下划线中划线,最长 32 字符")
		return
	}

	cfg := config.Load()
	if cfg.OSS.BucketName == "" || cfg.OSS.RoleArn == "" {
		response.Error(c, http.StatusInternalServerError, "OSS 配置未完成")
		return
	}

	// 强制使用 avatar 目录，并将 key 限定到 avatar/register-pending/{key}/ 子目录
	// 后端生成唯一文件名，policy 用 eq 锁到完整 key
	uploadDir := fmt.Sprintf("%sregister-pending/%s/", cfg.OSS.AvatarDir, key)
	uniqueFilename := fmt.Sprintf("avatar_%s.png", uuid.New().String())
	token, err := ctrl.generateOSSPolicyTokenWithKey(cfg.OSS, uploadDir+uniqueFilename)
	if err != nil {
		logger.Logger.Error("Generate public OSS signature failed",
			zap.Error(err),
			zap.String("scene", scene),
			zap.String("key", key),
		)
		response.Error(c, http.StatusInternalServerError, "生成签名失败: "+err.Error())
		return
	}

	logger.Logger.Info("Public OSS signature generated",
		zap.String("scene", scene),
		zap.String("key", key),
	)

	response.Success(c, token)
}

// isValidNamespaceKey 校验公开上传的命名空间 key（仅允许字母数字下划线中划线）
func isValidNamespaceKey(key string) bool {
	if key == "" || len(key) > 32 {
		return false
	}
	for _, r := range key {
		switch {
		case r >= 'a' && r <= 'z':
		case r >= 'A' && r <= 'Z':
		case r >= '0' && r <= '9':
		case r == '_' || r == '-':
		default:
			return false
		}
	}
	return true
}

// generateOSSPolicyToken 生成 OSS 上传策略和签名
func (ctrl *AssetController) generateOSSPolicyToken(
	ossConfig config.OSSConfig,
	userID interface{},
	starID interface{},
	uploadType string,
) (map[string]interface{}, error) {
	// 根据上传类型获取基础目录
	baseDir := ossConfig.GetUploadDir(uploadType)
	// 动态生成上传目录（基于用户ID和上传类型）
	uploadDir := baseDir
	if userID != nil && starID != nil {
		uploadDir = fmt.Sprintf("%s%d/%d/", baseDir, userID, starID)
	}

<<<<<<< HEAD
	utcTime := time.Now().UTC()
	date := utcTime.Format("20060102")
	expiration := utcTime.Add(time.Duration(ossConfig.TokenExpireTime) * time.Second)

	baseDir := ossConfig.GetUploadDir(uploadType)
	uploadDir := baseDir
	if userID != nil && starID != nil {
		uploadDir = fmt.Sprintf("%s%d/%d/", baseDir, userID, starID)
	}

	var accessKeyID, accessKeySecret, securityToken string
	useSTS := false

	// 尝试 STS AssumeRole，失败则降级到永久 AccessKey 直连
=======
	// 头像上传：后端生成唯一 key，避免
	//   1) URL 字符串相同导致 webview/CDN 命中老图缓存
	//   2) 并发上传时两路相互覆盖
	//   3) 上传中途失败留下半截文件
	// policy 用 eq 锁到该 key，前端只能写到指定路径
	if uploadType == "avatar" {
		uniqueFilename := fmt.Sprintf("avatar_%s.png", uuid.New().String())
		return ctrl.generateOSSPolicyTokenWithKey(ossConfig, uploadDir+uniqueFilename)
	}

	return ctrl.generateOSSPolicyTokenWithDir(ossConfig, uploadDir)
}

// dirFromKey 从完整 OSS key 提取目录（含末尾 /）
func dirFromKey(key string) string {
	idx := strings.LastIndex(key, "/")
	if idx < 0 {
		return ""
	}
	return key[:idx+1]
}

// generateOSSPolicyTokenWithKey 按显式完整 key（OSS 对象路径）生成 OSS 上传策略和签名
// 与 WithDir 区别：policy 用 eq 锁到该 key（更严），返回值带 key 供前端直接使用
// 适用场景：头像上传——后端控制完整 key，URL 天然每次唯一
func (ctrl *AssetController) generateOSSPolicyTokenWithKey(
	ossConfig config.OSSConfig,
	uploadKey string,
) (map[string]interface{}, error) {
	// 1. 创建 STS 凭证提供器
>>>>>>> 0284bd6951fafc8a3862644ede979dc44eb6efe8
	credConfig := new(credentials.Config).
		SetType("ram_role_arn").
		SetAccessKeyId(ossConfig.AccessKeyID).
		SetAccessKeySecret(ossConfig.AccessKeySecret).
		SetRoleArn(ossConfig.RoleArn).
		SetRoleSessionName("topfans-upload-session").
		SetPolicy("").
		SetRoleSessionExpiration(ossConfig.TokenExpireTime)

	if provider, err := credentials.NewCredential(credConfig); err == nil {
		if cred, err := provider.GetCredential(); err == nil {
			accessKeyID = *cred.AccessKeyId
			accessKeySecret = *cred.AccessKeySecret
			securityToken = *cred.SecurityToken
			useSTS = true
		} else {
			logger.Logger.Warn("STS AssumeRole failed, falling back to direct AK/SK", zap.Error(err))
		}
	} else {
		logger.Logger.Warn("STS credential provider failed, falling back to direct AK/SK", zap.Error(err))
	}

<<<<<<< HEAD
	if !useSTS {
		accessKeyID = ossConfig.AccessKeyID
		accessKeySecret = ossConfig.AccessKeySecret
=======
	// 2. 获取临时凭证
	cred, err := provider.GetCredential()
	if err != nil {
		return nil, fmt.Errorf("获取临时凭证失败: %w", err)
	}

	// 3. 构建 Policy
	utcTime := time.Now().UTC()
	date := utcTime.Format("20060102")
	expiration := utcTime.Add(time.Duration(ossConfig.TokenExpireTime) * time.Second)

	// 构建 Policy 条件
	conditions := []interface{}{
		map[string]string{"bucket": ossConfig.BucketName},
		// 限制 key 必须等于指定完整 key（更严：前端只能写到该路径）
		[]interface{}{"eq", "$key", uploadKey},
		map[string]string{"x-oss-signature-version": "OSS4-HMAC-SHA256"},
		map[string]string{"x-oss-credential": fmt.Sprintf("%s/%s/%s/%s/aliyun_v4_request",
			*cred.AccessKeyId, date, ossConfig.Region, "oss")},
		map[string]string{"x-oss-date": utcTime.Format("20060102T150405Z")},
		map[string]string{"x-oss-security-token": *cred.SecurityToken},
>>>>>>> 0284bd6951fafc8a3862644ede979dc44eb6efe8
	}

	policyMap := map[string]interface{}{
		"expiration": expiration.Format("2006-01-02T15:04:05.000Z"),
		"conditions": conditions,
	}

	// 4. 生成 Policy 的 Base64 编码
	policyJSON, err := json.Marshal(policyMap)
	if err != nil {
		return nil, fmt.Errorf("序列化 policy 失败: %w", err)
	}
	policyBase64 := base64.StdEncoding.EncodeToString(policyJSON)

	// 5. 计算签名
	signingKey := buildSigningKey(*cred.AccessKeySecret, date, ossConfig.Region, "oss")
	signature := calculateSignature(signingKey, policyBase64)

	// 6. 构建返回数据
	host := fmt.Sprintf("https://%s.oss-%s.aliyuncs.com", ossConfig.BucketName, ossConfig.Region)

	return map[string]interface{}{
		"policy":                  policyBase64,
		"security_token":          *cred.SecurityToken,
		"x_oss_signature_version": "OSS4-HMAC-SHA256",
		"x_oss_credential": fmt.Sprintf("%s/%s/%s/%s/aliyun_v4_request",
			*cred.AccessKeyId, date, ossConfig.Region, "oss"),
		"x_oss_date":  utcTime.Format("20060102T150405Z"),
		"signature":   signature,
		"host":        host,
		"dir":         dirFromKey(uploadKey),
		"key":         uploadKey,
		"expire_time": expiration.Unix(),
	}, nil
}

// generateOSSPolicyTokenWithDir 按显式目录生成 OSS 上传策略和签名
// （用于公开场景等需要把 key 限定到非 userID/starID 命名空间的场景）
func (ctrl *AssetController) generateOSSPolicyTokenWithDir(
	ossConfig config.OSSConfig,
	uploadDir string,
) (map[string]interface{}, error) {
	// 1. 创建 STS 凭证提供器
	credConfig := new(credentials.Config).
		SetType("ram_role_arn").
		SetAccessKeyId(ossConfig.AccessKeyID).
		SetAccessKeySecret(ossConfig.AccessKeySecret).
		SetRoleArn(ossConfig.RoleArn).
		SetRoleSessionName("topfans-upload-session").
		SetPolicy("").
		SetRoleSessionExpiration(ossConfig.TokenExpireTime)

	provider, err := credentials.NewCredential(credConfig)
	if err != nil {
		return nil, fmt.Errorf("创建凭证提供器失败: %w", err)
	}

	// 2. 获取临时凭证
	cred, err := provider.GetCredential()
	if err != nil {
		return nil, fmt.Errorf("获取临时凭证失败: %w", err)
	}

	// 3. 构建 Policy
	utcTime := time.Now().UTC()
	date := utcTime.Format("20060102")
	expiration := utcTime.Add(time.Duration(ossConfig.TokenExpireTime) * time.Second)

	// 构建 Policy 条件
	conditions := []interface{}{
		map[string]string{"bucket": ossConfig.BucketName},
		[]interface{}{"starts-with", "$key", uploadDir},
		map[string]string{"x-oss-signature-version": "OSS4-HMAC-SHA256"},
		map[string]string{"x-oss-credential": fmt.Sprintf("%s/%s/%s/%s/aliyun_v4_request",
			accessKeyID, date, ossConfig.Region, "oss")},
		map[string]string{"x-oss-date": utcTime.Format("20060102T150405Z")},
	}
	if useSTS && securityToken != "" {
		conditions = append(conditions, map[string]string{"x-oss-security-token": securityToken})
	}

	policyMap := map[string]interface{}{
		"expiration": expiration.Format("2006-01-02T15:04:05.000Z"),
		"conditions": conditions,
	}

	policyJSON, err := json.Marshal(policyMap)
	if err != nil {
		return nil, fmt.Errorf("序列化 policy 失败: %w", err)
	}
	policyBase64 := base64.StdEncoding.EncodeToString(policyJSON)

	signingKey := buildSigningKey(accessKeySecret, date, ossConfig.Region, "oss")
	signature := calculateSignature(signingKey, policyBase64)

	host := fmt.Sprintf("https://%s.oss-%s.aliyuncs.com", ossConfig.BucketName, ossConfig.Region)

	result := map[string]interface{}{
		"policy":                  policyBase64,
		"x_oss_signature_version": "OSS4-HMAC-SHA256",
		"x_oss_credential": fmt.Sprintf("%s/%s/%s/%s/aliyun_v4_request",
			accessKeyID, date, ossConfig.Region, "oss"),
		"x_oss_date":  utcTime.Format("20060102T150405Z"),
		"signature":   signature,
		"host":        host,
		"dir":         uploadDir,
		"expire_time": expiration.Unix(),
	}
	if useSTS && securityToken != "" {
		result["security_token"] = securityToken
	}
	return result, nil
}

// buildSigningKey 构建签名密钥
func buildSigningKey(secret, date, region, product string) []byte {
	hmacHash := func() hash.Hash { return sha256.New() }

	signingKey := "aliyun_v4" + secret
	h1 := hmac.New(hmacHash, []byte(signingKey))
	io.WriteString(h1, date)
	h1Key := h1.Sum(nil)

	h2 := hmac.New(hmacHash, h1Key)
	io.WriteString(h2, region)
	h2Key := h2.Sum(nil)

	h3 := hmac.New(hmacHash, h2Key)
	io.WriteString(h3, product)
	h3Key := h3.Sum(nil)

	h4 := hmac.New(hmacHash, h3Key)
	io.WriteString(h4, "aliyun_v4_request")
	return h4.Sum(nil)
}

// calculateSignature 计算签名
func calculateSignature(signingKey []byte, stringToSign string) string {
	h := hmac.New(sha256.New, signingKey)
	io.WriteString(h, stringToSign)
	return hex.EncodeToString(h.Sum(nil))
}

// GetOSSPresignedURL 获取OSS预签名URL
// @Summary 获取OSS预签名URL
// @Description 获取OSS预签名URL用于下载文件。file_name 支持三种形式：1）纯文件名（自动拼接当前用户的路径）；2）完整 OSS key（例如 asset/7/88/materials/x.png）；3）完整 OSS URL（例如 https://bucket.oss-xx.aliyuncs.com/asset/...）。
// @Tags assets
// @Accept json
// @Produce json
// @Security BearerAuth
// @Param type query string true "类型: avatar/asset"
// @Param file_name query string true "文件名或完整OSS key/URL"
// @Param expires query int false "过期时间(秒)，默认3600，最大86400"
// @Success 200 {object} response.Response
// @Router /api/v1/assets/oss/presigned-url [get]
func (ctrl *AssetController) GetOSSPresignedURL(c *gin.Context) {
	// 1. 获取参数
	uploadType := c.Query("type")
	fileName := c.Query("file_name")
	expiresStr := c.DefaultQuery("expires", "3600") // 默认1小时

	if uploadType == "" {
		response.BadRequest(c, "type参数不能为空（avatar 或 asset）")
		return
	}

	if fileName == "" {
		response.BadRequest(c, "file_name参数不能为空")
		return
	}

	// 验证上传类型
	if uploadType != "avatar" && uploadType != "asset" {
		response.BadRequest(c, "type参数无效，必须是 avatar 或 asset")
		return
	}

	// 2. 解析过期时间
	expires, err := strconv.ParseInt(expiresStr, 10, 64)
	if err != nil || expires <= 0 || expires > 86400 { // 最大24小时
		response.BadRequest(c, "expires参数无效，必须是1-86400之间的数字（秒）")
		return
	}

	// 3. 从 JWT 获取用户信息（用于默认路径）
	userID, _ := c.Get("user_id")
	starID, _ := c.Get("star_id")

	// 4. 构建 OSS 文件路径（支持扩展：file_name 可为文件名 / OSS key / 完整 URL）
	var filePath string
	// 4.1 如果是完整 URL 或包含路径分隔符，视为 OSS key/URL，尝试提取真正的 key
	if strings.HasPrefix(fileName, "http://") || strings.HasPrefix(fileName, "https://") || strings.Contains(fileName, "/") {
		filePath = ctrl.extractOSSKeyFromURL(fileName)
		if filePath == "" {
			response.BadRequest(c, "file_name 无法解析为有效的 OSS key")
			return
		}
	} else {
		// 4.2 纯文件名：按原逻辑拼接当前用户的路径
		if userID == nil || starID == nil {
			response.BadRequest(c, "当前用户信息缺失，无法构建默认 OSS 路径，请传入完整 OSS URL 或 key")
			return
		}
		filePath = ctrl.buildOSSKey(uploadType, userID.(int64), starID.(int64), fileName)
	}

	// 5. 加载配置
	cfg := config.Load()

	// 6. 生成预签名URL
	presignedURL, err := ctrl.generatePresignedURL(cfg.OSS, filePath, expires)
	if err != nil {
		logger.Logger.Error("Generate presigned URL failed",
			zap.String("file_path", filePath),
			zap.Int64("expires", expires),
			zap.Error(err),
		)
		response.Error(c, http.StatusInternalServerError, "生成预签名URL失败: "+err.Error())
		return
	}

	logger.Logger.Info("Presigned URL generated successfully",
		zap.Int64("user_id", userID.(int64)),
		zap.Int64("star_id", starID.(int64)),
		zap.String("type", uploadType),
		zap.String("file_path", filePath),
		zap.Int64("expires", expires),
	)

	// 7. 返回预签名URL
	response.Success(c, gin.H{
		"url":        presignedURL,
		"expires_in": expires,
		"file_path":  filePath,
	})
}

// extractOSSKeyFromURL 从完整的 OSS URL 中提取 key
// 格式: https://bucket.oss-region.aliyuncs.com/key
// 例如: https://top-fans-test.oss-cn-shanghai.aliyuncs.com/asset/17/88/materials/test.png
// 返回: asset/17/88/materials/test.png
// 注意：如果 URL 中包含 URL 编码的字符，需要先解码
func (ctrl *AssetController) extractOSSKeyFromURL(ossURL string) string {
	if !strings.HasPrefix(ossURL, "https://") {
		// 如果不是完整 URL，可能是 key 本身
		return ossURL
	}

	// 使用 url.Parse 解析 URL（会自动处理 URL 编码）
	u, err := url.Parse(ossURL)
	if err != nil {
		logger.Logger.Warn("Failed to parse OSS URL",
			zap.String("oss_url", ossURL),
			zap.Error(err),
		)
		// 如果解析失败，尝试手动提取
		parts := strings.SplitN(ossURL, ".oss-", 2)
		if len(parts) == 2 {
			keyParts := strings.SplitN(parts[1], "/", 2)
			if len(keyParts) == 2 {
				// 尝试解码 URL 编码的字符
				if decoded, err := url.QueryUnescape(keyParts[1]); err == nil {
					return decoded
				}
				return keyParts[1]
			}
		}
		return ""
	}

	// 从 URL 路径中提取 key（url.Parse 已经自动解码了 URL 编码）
	key := strings.TrimPrefix(u.Path, "/")
	if key != "" {
		return key
	}

	return ""
}

// buildOSSKey 构建OSS对象完整路径
// 格式: {type}/{user_id}/{star_id}/{file_name}
// 例如: avatar/106/87/test.jpg
func (ctrl *AssetController) buildOSSKey(uploadType string, userID, starID int64, fileName string) string {
	// 获取基础目录
	cfg := config.Load()
	baseDir := cfg.OSS.GetUploadDir(uploadType)

	// 构建完整路径
	return fmt.Sprintf("%s%d/%d/%s", baseDir, userID, starID, fileName)
}

// buildOSSPrefix 构建OSS目录前缀（用于列出文件）
// 格式: {type}/{user_id}/{star_id}/
// 例如: avatar/106/87/
func (ctrl *AssetController) buildOSSPrefix(uploadType string, userID, starID int64) string {
	cfg := config.Load()
	baseDir := cfg.OSS.GetUploadDir(uploadType)
	return fmt.Sprintf("%s%d/%d/", baseDir, userID, starID)
}

// generatePresignedURL 生成预签名URL（优先 STS，失败降级到永久 AK/SK 直连）
func (ctrl *AssetController) generatePresignedURL(
	ossConfig config.OSSConfig,
	filePath string,
	expiresInSeconds int64,
) (string, error) {
	// 尝试 STS AssumeRole，失败则降级到永久 AccessKey 直连
	var accessKeyID, accessKeySecret, securityToken string
	useSTS := false

	credConfig := new(credentials.Config).
		SetType("ram_role_arn").
		SetAccessKeyId(ossConfig.AccessKeyID).
		SetAccessKeySecret(ossConfig.AccessKeySecret).
		SetRoleArn(ossConfig.RoleArn).
		SetRoleSessionName("topfans-download-session").
		SetPolicy("").
		SetRoleSessionExpiration(3600)

	if provider, err := credentials.NewCredential(credConfig); err == nil {
		if cred, err := provider.GetCredential(); err == nil {
			accessKeyID = *cred.AccessKeyId
			accessKeySecret = *cred.AccessKeySecret
			securityToken = *cred.SecurityToken
			useSTS = true
		} else {
			logger.Logger.Warn("STS AssumeRole failed for presigned URL, falling back to direct AK/SK", zap.Error(err))
		}
	} else {
		logger.Logger.Warn("STS credential provider failed for presigned URL, falling back to direct AK/SK", zap.Error(err))
	}

	if !useSTS {
		accessKeyID = ossConfig.AccessKeyID
		accessKeySecret = ossConfig.AccessKeySecret
	}

	// 创建OSS客户端
	endpoint := fmt.Sprintf("https://oss-%s.aliyuncs.com", ossConfig.Region)

	var client *oss.Client
	var err error
	if useSTS && securityToken != "" {
		client, err = oss.New(endpoint, accessKeyID, accessKeySecret, oss.SecurityToken(securityToken))
	} else {
		client, err = oss.New(endpoint, accessKeyID, accessKeySecret)
	}
	if err != nil {
		return "", fmt.Errorf("创建OSS客户端失败: %w", err)
	}

	// 获取Bucket
	bucket, err := client.Bucket(ossConfig.BucketName)
	if err != nil {
		return "", fmt.Errorf("获取Bucket失败: %w", err)
	}

	// 生成预签名URL
	signedURL, err := bucket.SignURL(filePath, oss.HTTPGet, expiresInSeconds)
	if err != nil {
		logger.Logger.Error("OSS SignURL failed",
			zap.String("file_path", filePath),
			zap.Int64("expires_in_seconds", expiresInSeconds),
			zap.Error(err),
		)
		return "", fmt.Errorf("生成预签名URL失败: %w", err)
	}

	// 修复 path 的 URL 编码：OSS SDK 的 buildURL 用 QueryEscape 把 / 编成 %2F，
	// 导致 OSS 按字面 key "asset%2F18%2F88%2Fxxx" 查找失败(403)。只把 path 段（? 之前）的 %2F 改回 /。
	if idx := strings.Index(signedURL, "?"); idx >= 0 {
		signedURL = strings.ReplaceAll(signedURL[:idx], "%2F", "/") + signedURL[idx:]
	} else {
		signedURL = strings.ReplaceAll(signedURL, "%2F", "/")
	}

	// 若 SDK 未把 STS 的 security-token 加入 URL，则手动追加（使用 STS 临时凭证时，预签名 URL 必须带此参数，否则 403）
	if useSTS && securityToken != "" && !strings.Contains(signedURL, "security-token") {
		signedURL = signedURL + "&security-token=" + url.QueryEscape(securityToken)
	}

	// 检查生成的预签名 URL 是否包含 security-token 参数
	hasSecurityToken := strings.Contains(signedURL, "security-token")

	urlPreview := signedURL
	if len(signedURL) > 150 {
		urlPreview = signedURL[:150] + "..."
	}

	tokenPreview := ""
	if securityToken != "" {
		token := securityToken
		if len(token) > 50 {
			tokenPreview = token[:50] + "..."
		} else {
			tokenPreview = token
		}
	} else {
		tokenPreview = "nil"
	}

	logger.Logger.Info("Presigned URL generated",
		zap.String("file_path", filePath),
		zap.String("signed_url_preview", urlPreview),
		zap.Bool("has_security_token", hasSecurityToken),
		zap.Bool("has_expires", strings.Contains(signedURL, "Expires=")),
		zap.Bool("has_signature", strings.Contains(signedURL, "Signature=")),
		zap.String("security_token_preview", tokenPreview),
	)

	return signedURL, nil
}

// GetOSSBatchPresignedURLs 批量获取OSS预签名URL（只返回图片）
// @Summary 批量获取OSS预签名URL
// @Description 批量获取OSS预签名URL用于下载多个文件
// @Tags assets
// @Accept json
// @Produce json
// @Security BearerAuth
// @Param type query string true "类型: avatar/asset"
// @Param expires query int false "过期时间(秒)，默认3600"
// @Param max_keys query int false "最大返回数量，默认100"
// @Success 200 {object} response.Response
// @Router /api/v1/assets/oss/batch-presigned-urls [get]
func (ctrl *AssetController) GetOSSBatchPresignedURLs(c *gin.Context) {
	// 1. 获取参数
	uploadType := c.Query("type")
	expiresStr := c.DefaultQuery("expires", "3600")
	maxKeysStr := c.DefaultQuery("max_keys", "100") // 最大返回数量

	if uploadType == "" {
		response.BadRequest(c, "type参数不能为空（avatar 或 asset）")
		return
	}

	// 验证上传类型
	if uploadType != "avatar" && uploadType != "asset" {
		response.BadRequest(c, "type参数无效，必须是 avatar 或 asset")
		return
	}

	// 2. 解析参数
	expires, err := strconv.ParseInt(expiresStr, 10, 64)
	if err != nil || expires <= 0 || expires > 86400 {
		response.BadRequest(c, "expires参数无效，必须是1-86400之间的数字（秒）")
		return
	}

	maxKeys, err := strconv.Atoi(maxKeysStr)
	if err != nil || maxKeys <= 0 || maxKeys > 1000 {
		maxKeys = 100 // 默认值
	}

	// 3. 从 JWT 获取用户信息
	userID, _ := c.Get("user_id")
	starID, _ := c.Get("star_id")

	// 4. 构建目录前缀
	dirPrefix := ctrl.buildOSSPrefix(uploadType, userID.(int64), starID.(int64))

	// 5. 加载配置
	cfg := config.Load()

	// 6. 列出目录下的所有图片文件
	files, err := ctrl.listOSSImageFiles(cfg.OSS, dirPrefix, maxKeys)
	if err != nil {
		logger.Logger.Error("List OSS files failed",
			zap.Int64("user_id", userID.(int64)),
			zap.Int64("star_id", starID.(int64)),
			zap.String("dir_prefix", dirPrefix),
			zap.Error(err),
		)
		response.Error(c, http.StatusInternalServerError, "列出文件失败: "+err.Error())
		return
	}

	// 7. 为每个文件生成预签名URL
	type FileInfo struct {
		Key          string `json:"key"`           // 文件路径
		PresignedURL string `json:"presigned_url"` // 预签名URL
		Size         int64  `json:"size"`          // 文件大小（字节）
		LastModified string `json:"last_modified"` // 最后修改时间
	}

	var fileInfos []FileInfo
	for _, file := range files {
		presignedURL, err := ctrl.generatePresignedURL(cfg.OSS, file.Key, expires)
		if err != nil {
			logger.Logger.Warn("Generate presigned URL failed for file",
				zap.String("file_key", file.Key),
				zap.Error(err),
			)
			continue // 跳过生成失败的文件
		}

		fileInfos = append(fileInfos, FileInfo{
			Key:          file.Key,
			PresignedURL: presignedURL,
			Size:         file.Size,
			LastModified: file.LastModified.Format(time.RFC3339),
		})
	}

	logger.Logger.Info("Batch presigned URLs generated successfully",
		zap.Int64("user_id", userID.(int64)),
		zap.Int64("star_id", starID.(int64)),
		zap.String("type", uploadType),
		zap.String("dir_prefix", dirPrefix),
		zap.Int("file_count", len(fileInfos)),
		zap.Int64("expires", expires),
	)

	// 8. 返回结果
	response.Success(c, gin.H{
		"files":      fileInfos,
		"count":      len(fileInfos),
		"dir_path":   dirPrefix,
		"expires_in": expires,
	})
}

// OSSFileInfo OSS文件信息
type OSSFileInfo struct {
	Key          string
	Size         int64
	LastModified time.Time
}

// listOSSImageFiles 列出OSS目录下的图片文件
func (ctrl *AssetController) listOSSImageFiles(
	ossConfig config.OSSConfig,
	prefix string,
	maxKeys int,
) ([]OSSFileInfo, error) {
	// 1. 获取STS临时凭证
	credConfig := new(credentials.Config).
		SetType("ram_role_arn").
		SetAccessKeyId(ossConfig.AccessKeyID).
		SetAccessKeySecret(ossConfig.AccessKeySecret).
		SetRoleArn(ossConfig.RoleArn).
		SetRoleSessionName("topfans-list-session").
		SetPolicy("").
		SetRoleSessionExpiration(ossConfig.TokenExpireTime)

	provider, err := credentials.NewCredential(credConfig)
	if err != nil {
		return nil, fmt.Errorf("创建凭证提供器失败: %w", err)
	}

	cred, err := provider.GetCredential()
	if err != nil {
		return nil, fmt.Errorf("获取临时凭证失败: %w", err)
	}

	// 2. 创建OSS客户端
	endpoint := fmt.Sprintf("https://oss-%s.aliyuncs.com", ossConfig.Region)
	client, err := oss.New(endpoint, *cred.AccessKeyId, *cred.AccessKeySecret,
		oss.SecurityToken(*cred.SecurityToken))
	if err != nil {
		return nil, fmt.Errorf("创建OSS客户端失败: %w", err)
	}

	// 3. 获取Bucket
	bucket, err := client.Bucket(ossConfig.BucketName)
	if err != nil {
		return nil, fmt.Errorf("获取Bucket失败: %w", err)
	}

	// 4. 列出对象
	lsRes, err := bucket.ListObjects(oss.Prefix(prefix), oss.MaxKeys(maxKeys))
	if err != nil {
		return nil, fmt.Errorf("列出对象失败: %w", err)
	}

	// 5. 定义图片文件扩展名
	imageExtensions := map[string]bool{
		".jpg":  true,
		".jpeg": true,
		".png":  true,
		".gif":  true,
		".webp": true,
		".bmp":  true,
		".svg":  true,
		".ico":  true,
	}

	// 6. 过滤并返回图片文件
	var files []OSSFileInfo
	for _, object := range lsRes.Objects {
		// 跳过目录（以 / 结尾的）
		if strings.HasSuffix(object.Key, "/") {
			continue
		}

		// 只返回图片文件
		ext := strings.ToLower(filepath.Ext(object.Key))
		if !imageExtensions[ext] {
			continue
		}

		files = append(files, OSSFileInfo{
			Key:          object.Key,
			Size:         object.Size,
			LastModified: object.LastModified,
		})
	}

	return files, nil
}

// ImageGeneration 图生图（同步调用）
// @Summary 图生图
// @Description 调用 MiniMax 图生图 API
// @Tags assets
// @Accept json
// @Produce json
// @Security BearerAuth
// @Param request body dto.ImageGenerationRequest true "图生图请求"
// @Success 200 {object} response.Response
// @Router /api/v1/assets/mints/image/generation [post]
func (ctrl *AssetController) ImageGeneration(c *gin.Context) {
	var req dto.ImageGenerationRequest
	if err := c.ShouldBindJSON(&req); err != nil {
		response.Error(c, 400, "Invalid request: "+err.Error())
		return
	}

	// 开发模式下使用 mock 数据
	if config.Load().Server.Mode == "debug" {
		mockData, err := os.ReadFile(filepath.Join(config.Load().Root, "..", "mock", "minimax.json"))
		if err != nil {
			response.Error(c, 500, "Failed to read mock data: "+err.Error())
			return
		}
		var mockResult map[string]interface{}
		if err := json.Unmarshal(mockData, &mockResult); err != nil {
			response.Error(c, 500, "Failed to parse mock data: "+err.Error())
			return
		}
		response.Success(c, mockResult)
		return
	}

	result, err := ctrl.minimaxService.GenerateImage(c.Request.Context(), &req)
	if err != nil {
		response.Error(c, 500, "Image generation failed: "+err.Error())
		return
	}

	// 将输入图片追加到图片数组末尾
	if len(req.SubjectReference) > 0 && req.SubjectReference[0].ImageFile != "" {
		result.Images = append(result.Images, req.SubjectReference[0].ImageFile)
	}

	response.Success(c, gin.H{
		"images": result.Images,
	})
}

// UploadMaterial 上传素材
func (ctrl *AssetController) UploadMaterial(c *gin.Context) {
	userID, exists := c.Get("user_id")
	if !exists {
		response.Error(c, http.StatusUnauthorized, "未授权")
		return
	}
	starID, exists := c.Get("star_id")
	if !exists {
		response.Error(c, http.StatusUnauthorized, "未授权")
		return
	}

	var req dto.UploadMaterialRequestDTO
	if err := c.ShouldBindJSON(&req); err != nil {
		response.Error(c, http.StatusBadRequest, "参数错误: "+err.Error())
		return
	}

	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
	defer cancel()
	ctx = context.WithValue(ctx, constant.AttachmentKey, map[string]interface{}{
		"user_id": strconv.FormatInt(userID.(int64), 10),
		"star_id": strconv.FormatInt(starID.(int64), 10),
	})

	w := int32(0)
	h := int32(0)
	if req.Width != nil {
		w = int32(*req.Width)
	}
	if req.Height != nil {
		h = int32(*req.Height)
	}

	resp, err := ctrl.assetService.UploadMaterial(ctx, &pbAsset.UploadMaterialRequest{
		OssKey:       req.OssKey,
		OriginalName: req.OriginalName,
		FileSize:     req.FileSize,
		MimeType:     req.MimeType,
		Width:        w,
		Height:       h,
		Hash:         req.Hash,
		MaterialType: req.MaterialType,
	})

	if err != nil {
		logger.Logger.Error("UploadMaterial RPC failed", zap.Error(err))
		code, msg := parseRPCError(err)
		response.ErrorWithCode(c, code, msg)
		return
	}

	if resp.Base.Code != pbCommon.StatusCode_STATUS_OK {
		response.ErrorWithCode(c, int(resp.Base.Code), resp.Base.Message)
		return
	}

	data := dto.ConvertMaterial(resp.Material)
	response.Success(c, data)
}

// BindAssetMaterials 绑定资产素材
func (ctrl *AssetController) BindAssetMaterials(c *gin.Context) {
	assetIDStr := c.Param("asset_id")
	assetID, err := strconv.ParseInt(assetIDStr, 10, 64)
	if err != nil {
		response.Error(c, http.StatusBadRequest, "参数错误: asset_id 必须为数字")
		return
	}

	userIDVal, exists := c.Get("user_id")
	if !exists {
		response.Error(c, http.StatusUnauthorized, "未授权")
		return
	}
	uid, _ := userIDVal.(int64)
	starIDVal, _ := c.Get("star_id")
	sid, _ := starIDVal.(int64)
	_ = uid
	_ = sid // suppress unused

	var req dto.BindAssetMaterialsRequestDTO
	if err := c.ShouldBindJSON(&req); err != nil {
		response.Error(c, http.StatusBadRequest, "参数错误: "+err.Error())
		return
	}

	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
	defer cancel()

	ctx = context.WithValue(ctx, constant.AttachmentKey, map[string]interface{}{
		"user_id": strconv.FormatInt(uid, 10),
		"star_id": strconv.FormatInt(sid, 10),
	})

	materials := make([]*pbAsset.AssetMaterialRelation, 0, len(req.Materials))
	for _, item := range req.Materials {
		m := &pbAsset.AssetMaterialRelation{
			AssetId:      assetID,
			MaterialId:   item.MaterialID,
			MaterialType: item.MaterialType,
			LayerOrder:   item.LayerOrder,
		}
		if item.PosX != nil {
			m.PosX = *item.PosX
		}
		if item.PosY != nil {
			m.PosY = *item.PosY
		}
		if item.Opacity != nil {
			m.Opacity = *item.Opacity
		}
		if item.Rotation != nil {
			m.Rotation = *item.Rotation
		}
		if item.ScaleX != nil {
			m.ScaleX = *item.ScaleX
		}
		if item.ScaleY != nil {
			m.ScaleY = *item.ScaleY
		}
		materials = append(materials, m)
	}

	resp, err := ctrl.assetService.BindAssetMaterials(ctx, &pbAsset.BindAssetMaterialsRequest{
		AssetId:   assetID,
		Materials: materials,
	})

	if err != nil {
		logger.Logger.Error("BindAssetMaterials RPC failed", zap.Error(err))
		code, msg := parseRPCError(err)
		response.ErrorWithCode(c, code, msg)
		return
	}

	if resp.Base.Code != pbCommon.StatusCode_STATUS_OK {
		response.ErrorWithCode(c, int(resp.Base.Code), resp.Base.Message)
		return
	}

	response.Success(c, gin.H{"message": "关联成功"})
}

// GetAssetMaterials 获取资产素材列表
func (ctrl *AssetController) GetAssetMaterials(c *gin.Context) {
	assetIDStr := c.Param("asset_id")
	assetID, err := strconv.ParseInt(assetIDStr, 10, 64)
	if err != nil {
		response.Error(c, http.StatusBadRequest, "参数错误: asset_id 必须为数字")
		return
	}

	if _, exists := c.Get("user_id"); !exists {
		response.Error(c, http.StatusUnauthorized, "未授权")
		return
	}

	userID, _ := c.Get("user_id")
	starID, _ := c.Get("star_id")

	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
	defer cancel()

	// 设置 Dubbo attachments
	ctx = context.WithValue(ctx, constant.AttachmentKey, map[string]interface{}{
		"user_id": strconv.FormatInt(userID.(int64), 10),
		"star_id": strconv.FormatInt(starID.(int64), 10),
	})

	resp, err := ctrl.assetService.GetAssetMaterials(ctx, &pbAsset.GetAssetMaterialsRequest{
		AssetId: assetID,
	})

	if err != nil {
		logger.Logger.Error("GetAssetMaterials RPC failed", zap.Error(err))
		code, msg := parseRPCError(err)
		response.ErrorWithCode(c, code, msg)
		return
	}

	if resp.Base.Code != pbCommon.StatusCode_STATUS_OK {
		response.ErrorWithCode(c, int(resp.Base.Code), resp.Base.Message)
		return
	}

	data := make([]dto.AssetMaterialRelationDTO, 0, len(resp.Materials))
	for _, m := range resp.Materials {
		data = append(data, dto.ConvertAssetMaterialRelation(m))
	}

	response.Success(c, data)
}

// UpdateMaterialLayerOrder 更新图层顺序
func (ctrl *AssetController) UpdateMaterialLayerOrder(c *gin.Context) {
	assetIDStr := c.Param("asset_id")
	assetID, err := strconv.ParseInt(assetIDStr, 10, 64)
	if err != nil {
		response.Error(c, http.StatusBadRequest, "参数错误: asset_id 必须为数字")
		return
	}

	if _, exists := c.Get("user_id"); !exists {
		response.Error(c, http.StatusUnauthorized, "未授权")
		return
	}

	var req dto.UpdateLayerOrderRequestDTO
	if err := c.ShouldBindJSON(&req); err != nil {
		response.Error(c, http.StatusBadRequest, "参数错误: "+err.Error())
		return
	}

	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
	defer cancel()

	orders := make([]*pbAsset.MaterialLayerOrderItem, 0, len(req.Orders))
	for _, o := range req.Orders {
		orders = append(orders, &pbAsset.MaterialLayerOrderItem{
			RelationId: o.RelationID,
			LayerOrder: o.LayerOrder,
		})
	}

	resp, err := ctrl.assetService.UpdateMaterialLayerOrder(ctx, &pbAsset.UpdateMaterialLayerOrderRequest{
		AssetId: assetID,
		Orders:  orders,
	})

	if err != nil {
		logger.Logger.Error("UpdateMaterialLayerOrder RPC failed", zap.Error(err))
		code, msg := parseRPCError(err)
		response.ErrorWithCode(c, code, msg)
		return
	}

	if resp.Base.Code != pbCommon.StatusCode_STATUS_OK {
		response.ErrorWithCode(c, int(resp.Base.Code), resp.Base.Message)
		return
	}

	response.Success(c, gin.H{"message": "更新成功"})
}

// UnbindAssetMaterial 解绑资产素材
func (ctrl *AssetController) UnbindAssetMaterial(c *gin.Context) {
	relationIDStr := c.Param("relation_id")
	relationID, err := strconv.ParseInt(relationIDStr, 10, 64)
	if err != nil {
		response.Error(c, http.StatusBadRequest, "参数错误: relation_id 必须为数字")
		return
	}

	if _, exists := c.Get("user_id"); !exists {
		response.Error(c, http.StatusUnauthorized, "未授权")
		return
	}

	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
	defer cancel()

	resp, err := ctrl.assetService.UnbindAssetMaterial(ctx, &pbAsset.UnbindAssetMaterialRequest{
		RelationId: relationID,
	})

	if err != nil {
		logger.Logger.Error("UnbindAssetMaterial RPC failed", zap.Error(err))
		code, msg := parseRPCError(err)
		response.ErrorWithCode(c, code, msg)
		return
	}

	if resp.Base.Code != pbCommon.StatusCode_STATUS_OK {
		response.ErrorWithCode(c, int(resp.Base.Code), resp.Base.Message)
		return
	}

	response.Success(c, gin.H{"message": "解绑成功"})
}

// GetEarningsSummary 获取收益汇总
// @Summary 获取收益汇总
// @Description 获取当前用户的收益汇总（总每小时收益、总展出收益、水晶余额）
// @Tags assets
// @Accept json
// @Produce json
// @Security BearerAuth
// @Success 200 {object} response.Response
// @Router /api/v1/assets/me/earnings-summary [get]
func (ctrl *AssetController) GetEarningsSummary(c *gin.Context) {
	userIDVal, _ := c.Get("user_id")
	starIDVal, _ := c.Get("star_id")

	userID, ok := userIDVal.(int64)
	if !ok {
		logger.Logger.Error("GetEarningsSummary: user_id type assertion failed", zap.Any("value", userIDVal))
		response.Error(c, http.StatusInternalServerError, "用户ID无效")
		return
	}

	starID, ok := starIDVal.(int64)
	if !ok {
		logger.Logger.Error("GetEarningsSummary: star_id type assertion failed", zap.Any("value", starIDVal))
		response.Error(c, http.StatusInternalServerError, "明星ID无效")
		return
	}

	logger.Logger.Info("GetEarningsSummary: start", zap.Int64("user_id", userID), zap.Int64("star_id", starID))

	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
	defer cancel()

	ctx = context.WithValue(ctx, constant.AttachmentKey, map[string]interface{}{
		"user_id": strconv.FormatInt(userID, 10),
		"star_id": strconv.FormatInt(starID, 10),
	})

	// 1. 获取我展出的作品列表
	var totalHourlyEarnings float64
	var totalExhibitionRevenue int64
	page := int32(1)
	pageSize := int32(200)

	for {
		resp, err := ctrl.galleryService.GetMyExhibitedAssets(ctx, &pbGallery.GetMyExhibitedAssetsRequest{
			Page:     page,
			PageSize: pageSize,
		})
		if err != nil {
			logger.Logger.Error("GetEarningsSummary: GetMyExhibitedAssets failed", zap.Error(err))
			response.Error(c, http.StatusInternalServerError, "获取展出作品列表失败")
			return
		}

		if resp.Base.Code != pbCommon.StatusCode_STATUS_OK {
			logger.Logger.Warn("GetEarningsSummary: GetMyExhibitedAssets returned non-OK", zap.Any("code", resp.Base.Code), zap.String("msg", resp.Base.Message))
		}

		// 累加每个 item 的收益（GetMyExhibitedAssets 返回的都是展出中的作品）
		for _, item := range resp.Data.Items {
			hourlyEarnings := item.HourlyEarnings
			totalHourlyEarnings += hourlyEarnings
			totalExhibitionRevenue += item.Earnings
		}

		// 检查是否还有更多
		if !resp.Data.HasMore {
			break
		}
		page++
	}

	logger.Logger.Info("GetEarningsSummary: assets fetched", zap.Float64("total_hourly", totalHourlyEarnings), zap.Int64("total_revenue", totalExhibitionRevenue))

	// 2. 获取水晶余额
	logger.Logger.Info("GetEarningsSummary: calling GetFanProfile", zap.Int64("user_id", userID), zap.Int64("star_id", starID))
	userResp, err := ctrl.userService.GetFanProfile(ctx, &pbUser.GetFanProfileRequest{
		UserId: userID,
		StarId: starID,
	})
	if err != nil {
		logger.Logger.Error("GetEarningsSummary: GetFanProfile failed", zap.Error(err), zap.Int64("user_id", userID), zap.Int64("star_id", starID))
		response.Error(c, http.StatusInternalServerError, "获取用户信息失败")
		return
	}

	logger.Logger.Info("GetEarningsSummary: success", zap.Float64("total_hourly", totalHourlyEarnings), zap.Int64("total_revenue", totalExhibitionRevenue), zap.Int64("balance", userResp.GetProfile().GetCrystalBalance()))

	response.Success(c, gin.H{
		"total_hourly_earnings":    totalHourlyEarnings,
		"total_exhibition_revenue": totalExhibitionRevenue,
		"crystal_balance":          userResp.GetProfile().GetCrystalBalance(),
	})
}