package service

import (
	"errors"
	"fmt"
	"time"

	appErrors "github.com/topfans/backend/pkg/errors"
	"github.com/topfans/backend/pkg/logger"
	pbCommon "github.com/topfans/backend/pkg/proto/common"
	pb "github.com/topfans/backend/pkg/proto/user"
	"github.com/topfans/backend/pkg/validator"
	"github.com/topfans/backend/services/userService/repository"
	"go.uber.org/zap"
	"gorm.io/gorm"
)

// UserService 用户信息Service接口
type UserService interface {
	// GetUser 获取用户信息
	GetUser(req *pb.GetUserRequest) (*pb.GetUserResponse, error)

	// GetFanProfile 获取粉丝档案
	GetFanProfile(req *pb.GetFanProfileRequest) (*pb.GetFanProfileResponse, error)

	// GetMyProfile 获取个人信息页
	GetMyProfile(req *pb.GetMyProfileRequest, userID, starID int64) (*pb.GetMyProfileResponse, error)

	// CheckNickname 检查昵称是否已被注册
	CheckNickname(req *pb.CheckNicknameRequest) (*pb.CheckNicknameResponse, error)

	// CheckMobile 检查手机号是否已被注册
	CheckMobile(req *pb.CheckMobileRequest) (*pb.CheckMobileResponse, error)

	// UpdateNickname 修改昵称
	UpdateNickname(req *pb.UpdateNicknameRequest, userID, starID int64) (*pb.UpdateNicknameResponse, error)

	// UpdatePassword 修改密码
	UpdatePassword(req *pb.UpdatePasswordRequest, userID int64) (*pb.UpdatePasswordResponse, error)

	// UpdateFanProfileSocial 更新粉丝档案的好友数量（内部RPC调用）
	UpdateFanProfileSocial(req *pb.UpdateFanProfileSocialRequest) (*pb.UpdateFanProfileSocialResponse, error)

	// UpdateCrystalBalance 更新水晶余额（内部RPC调用）
	UpdateCrystalBalance(req *pb.UpdateCrystalBalanceRequest) (*pb.UpdateCrystalBalanceResponse, error)

	// UpdateAssetsCount 更新资产数量（内部RPC调用）
	UpdateAssetsCount(req *pb.UpdateAssetsCountRequest) (*pb.UpdateAssetsCountResponse, error)

	// AddExhibitionHours 增加用户累计上架时长（内部RPC调用，用于galleryService展品下架时）
	AddExhibitionHours(req *pb.AddExhibitionHoursRequest) (*pb.AddExhibitionHoursResponse, error)

	// UpdateAvatar 更新用户头像
	UpdateAvatar(req *pb.UpdateAvatarRequest, userID, starID int64) (*pb.UpdateAvatarResponse, error)
}

// userService 用户信息Service实现
type userService struct {
	userRepo       repository.UserRepository
	fanProfileRepo repository.FanProfileRepository
	db             *gorm.DB
}

// NewUserService 创建用户信息Service实例
func NewUserService(
	userRepo repository.UserRepository,
	fanProfileRepo repository.FanProfileRepository,
	db *gorm.DB,
) UserService {
	return &userService{
		userRepo:       userRepo,
		fanProfileRepo: fanProfileRepo,
		db:             db,
	}
}

// GetUser 获取用户信息
func (s *userService) GetUser(req *pb.GetUserRequest) (*pb.GetUserResponse, error) {
	// 1. 参数验证
	if !validator.ValidateUserID(req.UserId) {
		logger.Logger.Warn("Invalid user_id",
			zap.Int64("user_id", req.UserId),
		)
		return nil, fmt.Errorf("invalid user_id: %d", req.UserId)
	}

	// 2. 查询用户
	user, err := s.userRepo.GetByID(req.UserId)
	if err != nil {
		if errors.Is(err, appErrors.ErrUserNotFound) {
			logger.Logger.Warn("User not found",
				zap.Int64("user_id", req.UserId),
			)
			return &pb.GetUserResponse{
				Base: appErrors.BuildBaseResponse(appErrors.ErrUserNotFound),
			}, nil // 返回响应对象，不返回 error
		}
		logger.Logger.Error("Failed to get user",
			zap.Int64("user_id", req.UserId),
			zap.Error(err),
		)
		return &pb.GetUserResponse{
			Base: appErrors.BuildBaseResponse(appErrors.ErrInternalServer),
		}, nil // 返回响应对象，不返回 error
	}

	// 3. 构建响应
	response := &pb.GetUserResponse{
		Base: &pbCommon.BaseResponse{
			Code:      pbCommon.StatusCode_STATUS_OK,
			Message:   "",
			Timestamp: time.Now().UnixMilli(),
		},
		User: &pb.User{
			Id:                  user.ID,
			Mobile:              user.Mobile,
			AvatarUrl:           getStringValue(user.AvatarURL),
			GlobalWalletAddress: getStringValue(user.GlobalWalletAddr),
			IsActive:            user.IsActive,
			CreatedAt:           user.CreatedAt,
		},
	}

	logger.Logger.Debug("Get user successful",
		zap.Int64("user_id", req.UserId),
	)

	return response, nil
}

// GetFanProfile 获取粉丝档案
func (s *userService) GetFanProfile(req *pb.GetFanProfileRequest) (*pb.GetFanProfileResponse, error) {
	// 1. 参数验证
	if !validator.ValidateUserID(req.UserId) {
		logger.Logger.Warn("Invalid user_id",
			zap.Int64("user_id", req.UserId),
		)
		return &pb.GetFanProfileResponse{
			Base: appErrors.BuildBaseResponse(appErrors.ErrInvalidUserID),
		}, nil
	}

	if !validator.ValidateStarID(req.StarId) {
		logger.Logger.Warn("Invalid star_id",
			zap.Int64("star_id", req.StarId),
		)
		return &pb.GetFanProfileResponse{
			Base: appErrors.BuildBaseResponse(appErrors.ErrInvalidStarID),
		}, nil
	}

	// 2. 查询粉丝档案
	fanProfile, err := s.fanProfileRepo.GetByUserAndStar(req.UserId, req.StarId)
	if err != nil {
		if errors.Is(err, appErrors.ErrFanProfileNotFound) {
			logger.Logger.Warn("Fan profile not found",
				zap.Int64("user_id", req.UserId),
				zap.Int64("star_id", req.StarId),
			)
			return &pb.GetFanProfileResponse{
				Base: appErrors.BuildBaseResponse(appErrors.ErrFanProfileNotFound),
			}, nil // 返回响应对象，不返回 error
		}
		logger.Logger.Error("Failed to get fan profile",
			zap.Int64("user_id", req.UserId),
			zap.Int64("star_id", req.StarId),
			zap.Error(err),
		)
		return &pb.GetFanProfileResponse{
			Base: appErrors.BuildBaseResponse(appErrors.ErrInternalServer),
		}, nil // 返回响应对象，不返回 error
	}

	// 4. 构建响应
	response := &pb.GetFanProfileResponse{
		Base: &pbCommon.BaseResponse{
			Code:      pbCommon.StatusCode_STATUS_OK,
			Message:   "",
			Timestamp: time.Now().UnixMilli(),
		},
		Profile: ModelToProtoFanProfile(fanProfile),
	}

	logger.Logger.Debug("Get fan profile successful",
		zap.Int64("user_id", req.UserId),
		zap.Int64("star_id", req.StarId),
	)

	return response, nil
}

// GetMyProfile 获取个人信息页（聚合用户信息和粉丝档案）
func (s *userService) GetMyProfile(req *pb.GetMyProfileRequest, userID, starID int64) (*pb.GetMyProfileResponse, error) {
	// 1. 参数验证
	if !validator.ValidateUserID(userID) {
		logger.Logger.Warn("Invalid user_id",
			zap.Int64("user_id", userID),
		)
		return nil, fmt.Errorf("invalid user_id: %d", userID)
	}

	if !validator.ValidateStarID(starID) {
		logger.Logger.Warn("Invalid star_id",
			zap.Int64("star_id", starID),
		)
		return nil, appErrors.ErrInvalidStarID
	}

	// 2. 查询用户信息
	user, err := s.userRepo.GetByID(userID)
	if err != nil {
		if errors.Is(err, appErrors.ErrUserNotFound) {
			logger.Logger.Warn("User not found",
				zap.Int64("user_id", userID),
			)
			return nil, appErrors.ErrUserNotFound
		}
		logger.Logger.Error("Failed to get user",
			zap.Int64("user_id", userID),
			zap.Error(err),
		)
		return nil, fmt.Errorf("failed to get user: %w", err)
	}

	// 3. 查询当前粉丝档案
	currentFanProfile, err := s.fanProfileRepo.GetByUserAndStar(userID, starID)
	if err != nil {
		if errors.Is(err, appErrors.ErrFanProfileNotFound) {
			logger.Logger.Warn("Fan profile not found",
				zap.Int64("user_id", userID),
				zap.Int64("star_id", starID),
			)
			return nil, appErrors.ErrFanProfileNotFound
		}
		logger.Logger.Error("Failed to get fan profile",
			zap.Int64("user_id", userID),
			zap.Int64("star_id", starID),
			zap.Error(err),
		)
		return nil, fmt.Errorf("failed to get fan profile: %w", err)
	}

	// 5. 查询用户的所有粉丝身份
	fanProfiles, err := s.fanProfileRepo.GetByUserID(userID)
	if err != nil {
		logger.Logger.Error("Failed to get fan profiles",
			zap.Int64("user_id", userID),
			zap.Error(err),
		)
		return nil, fmt.Errorf("failed to get fan profiles: %w", err)
	}

	// 5. 构建响应
	pbFanProfiles := make([]*pb.FanProfile, 0, len(fanProfiles))
	for _, profile := range fanProfiles {
		pbFanProfiles = append(pbFanProfiles, &pb.FanProfile{
			Id:             profile.ID,
			UserId:         profile.UserID,
			StarId:         profile.StarID,
			Nickname:       profile.Nickname,
			Level:          int32(profile.Level),
			Times:          int32(profile.Times),
			Social:         int32(profile.Social),
			CoinBalance:    profile.CoinBalance,
			CrystalBalance: profile.CrystalBalance,
			Tags:           []string(profile.Tags),
			CreatedAt:      profile.CreatedAt,
		})
	}

	response := &pb.GetMyProfileResponse{
		Base: &pbCommon.BaseResponse{
			Code:      pbCommon.StatusCode_STATUS_OK,
			Message:   "",
			Timestamp: time.Now().UnixMilli(),
		},
		User: &pb.User{
			Id:                  user.ID,
			Mobile:              user.Mobile,
			AvatarUrl:           getStringValue(user.AvatarURL),
			GlobalWalletAddress: getStringValue(user.GlobalWalletAddr),
			IsActive:            user.IsActive,
			CreatedAt:           user.CreatedAt,
		},
		FanProfile:  ModelToProtoFanProfile(currentFanProfile),
		FanProfiles: pbFanProfiles,
	}

	logger.Logger.Debug("Get my profile successful",
		zap.Int64("user_id", userID),
		zap.Int64("star_id", starID),
	)

	return response, nil
}

// CheckNickname 检查昵称是否已被注册
func (s *userService) CheckNickname(req *pb.CheckNicknameRequest) (*pb.CheckNicknameResponse, error) {
	// 1. 参数验证
	if req.Nickname == "" {
		logger.Logger.Warn("Nickname is empty")
		return &pb.CheckNicknameResponse{
			Base: appErrors.BuildBaseResponse(appErrors.ErrInvalidNickname),
		}, nil
	}

	// 2. 验证昵称格式
	valid, msg := validator.ValidateNickname(req.Nickname)
	if !valid {
		logger.Logger.Warn("Invalid nickname format",
			zap.String("nickname", req.Nickname),
			zap.String("error", msg),
		)
		return &pb.CheckNicknameResponse{
			Base: appErrors.BuildBaseResponse(appErrors.ErrInvalidNickname),
		}, nil
	}

	// 3. 查询昵称是否已存在
	exists, err := s.fanProfileRepo.ExistsByNickname(req.Nickname)
	if err != nil {
		logger.Logger.Error("Failed to check nickname",
			zap.String("nickname", req.Nickname),
			zap.Error(err),
		)
		return &pb.CheckNicknameResponse{
			Base: appErrors.BuildBaseResponse(appErrors.ErrInternalServer),
		}, nil
	}

	logger.Logger.Info("Check nickname result",
		zap.String("nickname", req.Nickname),
		zap.Bool("exists", exists),
	)

	// 4. 构建响应
	return &pb.CheckNicknameResponse{
		Base: &pbCommon.BaseResponse{
			Code:      pbCommon.StatusCode_STATUS_OK,
			Message:   "",
			Timestamp: time.Now().UnixMilli(),
		},
		Exists: exists,
	}, nil
}

// CheckMobile 检查手机号是否已被注册
func (s *userService) CheckMobile(req *pb.CheckMobileRequest) (*pb.CheckMobileResponse, error) {
	// 1. 参数验证
	if req.Mobile == "" {
		logger.Logger.Warn("Mobile is empty")
		return &pb.CheckMobileResponse{
			Base: appErrors.BuildBaseResponse(appErrors.ErrInvalidMobile),
		}, nil
	}

	// 2. 验证手机号格式
	if !validator.ValidateMobile(req.Mobile) {
		logger.Logger.Warn("Invalid mobile format",
			zap.String("mobile", req.Mobile),
		)
		return &pb.CheckMobileResponse{
			Base: appErrors.BuildBaseResponse(appErrors.ErrInvalidMobile),
		}, nil
	}

	// 3. 查询手机号是否已存在
	exists, err := s.userRepo.ExistsByMobile(req.Mobile)
	if err != nil {
		logger.Logger.Error("Failed to check mobile",
			zap.String("mobile", req.Mobile),
			zap.Error(err),
		)
		return &pb.CheckMobileResponse{
			Base: appErrors.BuildBaseResponse(appErrors.ErrInternalServer),
		}, nil
	}

	logger.Logger.Info("Check mobile result",
		zap.String("mobile", req.Mobile),
		zap.Bool("exists", exists),
	)

	// 4. 构建响应
	return &pb.CheckMobileResponse{
		Base: &pbCommon.BaseResponse{
			Code:      pbCommon.StatusCode_STATUS_OK,
			Message:   "",
			Timestamp: time.Now().UnixMilli(),
		},
		Exists: exists,
	}, nil
}

// UpdateNickname 修改昵称
func (s *userService) UpdateNickname(req *pb.UpdateNicknameRequest, userID, starID int64) (*pb.UpdateNicknameResponse, error) {
	// 1. 参数验证
	if !validator.ValidateUserID(userID) {
		logger.Logger.Warn("Invalid user_id",
			zap.Int64("user_id", userID),
		)
		return nil, fmt.Errorf("invalid user_id: %d", userID)
	}

	if !validator.ValidateStarID(starID) {
		logger.Logger.Warn("Invalid star_id",
			zap.Int64("star_id", starID),
		)
		return nil, appErrors.ErrInvalidStarID
	}

	valid, msg := validator.ValidateNickname(req.Nickname)
	if !valid {
		logger.Logger.Warn("Invalid nickname",
			zap.Int64("user_id", userID),
			zap.Int64("star_id", starID),
			zap.String("error", msg),
		)
		return nil, fmt.Errorf("invalid nickname: %s", msg)
	}

	// 2. 验证粉丝档案是否存在
	_, err := s.fanProfileRepo.GetByUserAndStar(userID, starID)
	if err != nil {
		if errors.Is(err, appErrors.ErrFanProfileNotFound) {
			logger.Logger.Warn("Fan profile not found",
				zap.Int64("user_id", userID),
				zap.Int64("star_id", starID),
			)
			return nil, appErrors.ErrFanProfileNotFound
		}
		logger.Logger.Error("Failed to get fan profile",
			zap.Int64("user_id", userID),
			zap.Int64("star_id", starID),
			zap.Error(err),
		)
		return nil, fmt.Errorf("failed to get fan profile: %w", err)
	}

	// 3. 更新昵称
	if err := s.fanProfileRepo.UpdateNickname(userID, starID, req.Nickname); err != nil {
		logger.Logger.Error("Failed to update nickname",
			zap.Int64("user_id", userID),
			zap.Int64("star_id", starID),
			zap.Error(err),
		)
		return nil, fmt.Errorf("failed to update nickname: %w", err)
	}

	// 4. 查询更新后的粉丝档案
	fanProfile, err := s.fanProfileRepo.GetByUserAndStar(userID, starID)
	if err != nil {
		logger.Logger.Error("Failed to get updated fan profile",
			zap.Int64("user_id", userID),
			zap.Int64("star_id", starID),
			zap.Error(err),
		)
		return nil, fmt.Errorf("failed to get updated fan profile: %w", err)
	}

	// 5. 构建响应
	response := &pb.UpdateNicknameResponse{
		Base: &pbCommon.BaseResponse{
			Code:      pbCommon.StatusCode_STATUS_OK,
			Message:   "",
			Timestamp: time.Now().UnixMilli(),
		},
		FanProfile: ModelToProtoFanProfile(fanProfile),
	}

	logger.Logger.Info("Update nickname successful",
		zap.Int64("user_id", userID),
		zap.Int64("star_id", starID),
		zap.String("new_nickname", req.Nickname),
	)

	return response, nil
}

// UpdatePassword 修改密码
func (s *userService) UpdatePassword(req *pb.UpdatePasswordRequest, userID int64) (*pb.UpdatePasswordResponse, error) {
	// 1. 参数验证
	if !validator.ValidateUserID(userID) {
		logger.Logger.Warn("Invalid user_id",
			zap.Int64("user_id", userID),
		)
		return nil, fmt.Errorf("invalid user_id: %d", userID)
	}

	if req.OldPassword == "" {
		logger.Logger.Warn("Old password is empty",
			zap.Int64("user_id", userID),
		)
		return nil, appErrors.ErrInvalidPassword
	}

	valid, msg := validator.ValidatePassword(req.NewPassword)
	if !valid {
		logger.Logger.Warn("Invalid new password",
			zap.Int64("user_id", userID),
			zap.String("error", msg),
		)
		if msg == "password too short" {
			return nil, appErrors.ErrPasswordTooShort
		}
		return nil, fmt.Errorf("invalid password: %s", msg)
	}

	// 2. 查询用户
	user, err := s.userRepo.GetByID(userID)
	if err != nil {
		if errors.Is(err, appErrors.ErrUserNotFound) {
			logger.Logger.Warn("User not found",
				zap.Int64("user_id", userID),
			)
			return nil, appErrors.ErrUserNotFound
		}
		logger.Logger.Error("Failed to get user",
			zap.Int64("user_id", userID),
			zap.Error(err),
		)
		return nil, fmt.Errorf("failed to get user: %w", err)
	}

	// 3. 验证旧密码
	if !s.userRepo.VerifyPassword(user, req.OldPassword) {
		logger.Logger.Warn("Invalid old password",
			zap.Int64("user_id", userID),
		)
		return nil, appErrors.ErrInvalidPassword
	}

	// 4. 加密新密码
	newPasswordHash, err := repository.HashPassword(req.NewPassword)
	if err != nil {
		logger.Logger.Error("Failed to hash new password",
			zap.Int64("user_id", userID),
			zap.Error(err),
		)
		return nil, fmt.Errorf("failed to hash password: %w", err)
	}

	// 5. 更新密码和updated_at，清除Token（使用事务）
	err = s.db.Transaction(func(tx *gorm.DB) error {
		// 更新密码
		user.PasswordHash = newPasswordHash
		user.UpdatedAt = time.Now().UnixMilli()
		// 清除Token（设为nil）
		user.AccessToken = nil
		user.TokenExpiresAt = nil

		if err := tx.Model(user).Updates(map[string]interface{}{
			"password_hash":    user.PasswordHash,
			"updated_at":       user.UpdatedAt,
			"access_token":     nil,
			"token_expires_at": nil,
		}).Error; err != nil {
			logger.Logger.Error("Failed to update password in transaction",
				zap.Int64("user_id", userID),
				zap.Error(err),
			)
			return fmt.Errorf("failed to update password: %w", err)
		}

		return nil
	})

	if err != nil {
		return nil, err
	}

	logger.Logger.Info("Update password successful",
		zap.Int64("user_id", userID),
	)

	return &pb.UpdatePasswordResponse{
		Base: &pbCommon.BaseResponse{
			Code:      pbCommon.StatusCode_STATUS_OK,
			Message:   "",
			Timestamp: time.Now().UnixMilli(),
		},
	}, nil
}

// UpdateFanProfileSocial 更新粉丝档案的好友数量（内部RPC调用）
func (s *userService) UpdateFanProfileSocial(req *pb.UpdateFanProfileSocialRequest) (*pb.UpdateFanProfileSocialResponse, error) {
	// 1. 参数验证
	if !validator.ValidateUserID(req.UserId) {
		logger.Logger.Warn("Invalid user_id",
			zap.Int64("user_id", req.UserId),
		)
		return &pb.UpdateFanProfileSocialResponse{
			Base: appErrors.BuildBaseResponse(appErrors.ErrInvalidUserID),
		}, nil
	}

	if !validator.ValidateStarID(req.StarId) {
		logger.Logger.Warn("Invalid star_id",
			zap.Int64("star_id", req.StarId),
		)
		return &pb.UpdateFanProfileSocialResponse{
			Base: appErrors.BuildBaseResponse(appErrors.ErrInvalidStarID),
		}, nil
	}

	// 2. 更新 social 字段
	newSocial, err := s.fanProfileRepo.UpdateSocial(req.UserId, req.StarId, req.Delta)
	if err != nil {
		logger.Logger.Error("Failed to update fan profile social",
			zap.Int64("user_id", req.UserId),
			zap.Int64("star_id", req.StarId),
			zap.Int32("delta", req.Delta),
			zap.Error(err),
		)

		// 判断错误类型
		if errors.Is(err, appErrors.ErrFanProfileNotFound) {
			return &pb.UpdateFanProfileSocialResponse{
				Base: appErrors.BuildBaseResponse(appErrors.ErrFanProfileNotFound),
			}, nil
		}

		return &pb.UpdateFanProfileSocialResponse{
			Base: appErrors.BuildBaseResponse(appErrors.ErrInternalServer),
		}, nil
	}

	logger.Logger.Info("Update fan profile social successful",
		zap.Int64("user_id", req.UserId),
		zap.Int64("star_id", req.StarId),
		zap.Int32("delta", req.Delta),
		zap.Int32("new_social", newSocial),
	)

	return &pb.UpdateFanProfileSocialResponse{
		Base: &pbCommon.BaseResponse{
			Code:      pbCommon.StatusCode_STATUS_OK,
			Message:   "",
			Timestamp: time.Now().UnixMilli(),
		},
		NewSocial: newSocial,
	}, nil
}

// UpdateCrystalBalance 更新水晶余额（内部RPC调用）
func (s *userService) UpdateCrystalBalance(req *pb.UpdateCrystalBalanceRequest) (*pb.UpdateCrystalBalanceResponse, error) {
	// 1. 参数验证
	if !validator.ValidateUserID(req.UserId) {
		logger.Logger.Warn("Invalid user_id",
			zap.Int64("user_id", req.UserId),
		)
		return &pb.UpdateCrystalBalanceResponse{
			Base: appErrors.BuildBaseResponse(appErrors.ErrInvalidUserID),
		}, nil
	}

	if !validator.ValidateStarID(req.StarId) {
		logger.Logger.Warn("Invalid star_id",
			zap.Int64("star_id", req.StarId),
		)
		return &pb.UpdateCrystalBalanceResponse{
			Base: appErrors.BuildBaseResponse(appErrors.ErrInvalidStarID),
		}, nil
	}

	// 2. 更新水晶余额
	newBalance, err := s.fanProfileRepo.UpdateCrystalBalance(req.UserId, req.StarId, req.Delta, req.ChangeType, req.SourceId, req.Description)
	if err != nil {
		logger.Logger.Error("Failed to update crystal balance",
			zap.Int64("user_id", req.UserId),
			zap.Int64("star_id", req.StarId),
			zap.Int64("delta", req.Delta),
			zap.Error(err),
		)

		// 判断错误类型
		if errors.Is(err, appErrors.ErrFanProfileNotFound) {
			return &pb.UpdateCrystalBalanceResponse{
				Base: appErrors.BuildBaseResponse(appErrors.ErrFanProfileNotFound),
			}, nil
		}

		return &pb.UpdateCrystalBalanceResponse{
			Base: appErrors.BuildBaseResponse(appErrors.ErrInternalServer),
		}, nil
	}

	logger.Logger.Info("Update crystal balance successful",
		zap.Int64("user_id", req.UserId),
		zap.Int64("star_id", req.StarId),
		zap.Int64("delta", req.Delta),
		zap.Int64("new_balance", newBalance),
	)

	return &pb.UpdateCrystalBalanceResponse{
		Base: &pbCommon.BaseResponse{
			Code:      pbCommon.StatusCode_STATUS_OK,
			Message:   "",
			Timestamp: time.Now().UnixMilli(),
		},
		NewBalance: newBalance,
	}, nil
}

// UpdateAssetsCount 更新资产数量（内部RPC调用）
func (s *userService) UpdateAssetsCount(req *pb.UpdateAssetsCountRequest) (*pb.UpdateAssetsCountResponse, error) {
	// 1. 参数验证
	if !validator.ValidateUserID(req.UserId) {
		logger.Logger.Warn("Invalid user_id",
			zap.Int64("user_id", req.UserId),
		)
		return &pb.UpdateAssetsCountResponse{
			Base: appErrors.BuildBaseResponse(appErrors.ErrInvalidUserID),
		}, nil
	}

	if !validator.ValidateStarID(req.StarId) {
		logger.Logger.Warn("Invalid star_id",
			zap.Int64("star_id", req.StarId),
		)
		return &pb.UpdateAssetsCountResponse{
			Base: appErrors.BuildBaseResponse(appErrors.ErrInvalidStarID),
		}, nil
	}

	// 2. 根据 delta 的正负调用不同的方法
	var err error
	var newCount int32

	if req.Delta > 0 {
		// 增加资产数量
		err = s.fanProfileRepo.IncrementAssetsCount(req.UserId, req.StarId, req.Delta)
		if err == nil {
			// 查询更新后的值
			profile, getErr := s.fanProfileRepo.GetByUserAndStar(req.UserId, req.StarId)
			if getErr == nil {
				newCount = profile.AssetsCount
			}
		}
	} else if req.Delta < 0 {
		// 减少资产数量
		err = s.fanProfileRepo.DecrementAssetsCount(req.UserId, req.StarId, -req.Delta)
		if err == nil {
			// 查询更新后的值
			profile, getErr := s.fanProfileRepo.GetByUserAndStar(req.UserId, req.StarId)
			if getErr == nil {
				newCount = profile.AssetsCount
			}
		}
	} else {
		// delta == 0，直接查询当前值
		profile, getErr := s.fanProfileRepo.GetByUserAndStar(req.UserId, req.StarId)
		if getErr != nil {
			if errors.Is(getErr, appErrors.ErrFanProfileNotFound) {
				return &pb.UpdateAssetsCountResponse{
					Base: appErrors.BuildBaseResponse(appErrors.ErrFanProfileNotFound),
				}, nil
			}
			return &pb.UpdateAssetsCountResponse{
				Base: appErrors.BuildBaseResponse(appErrors.ErrInternalServer),
			}, nil
		}
		newCount = profile.AssetsCount
	}

	if err != nil {
		logger.Logger.Error("Failed to update assets count",
			zap.Int64("user_id", req.UserId),
			zap.Int64("star_id", req.StarId),
			zap.Int32("delta", req.Delta),
			zap.Error(err),
		)

		// 判断错误类型
		if errors.Is(err, appErrors.ErrFanProfileNotFound) {
			return &pb.UpdateAssetsCountResponse{
				Base: appErrors.BuildBaseResponse(appErrors.ErrFanProfileNotFound),
			}, nil
		}

		return &pb.UpdateAssetsCountResponse{
			Base: appErrors.BuildBaseResponse(appErrors.ErrInternalServer),
		}, nil
	}

	logger.Logger.Info("Update assets count successful",
		zap.Int64("user_id", req.UserId),
		zap.Int64("star_id", req.StarId),
		zap.Int32("delta", req.Delta),
		zap.Int32("new_count", newCount),
	)

	return &pb.UpdateAssetsCountResponse{
		Base: &pbCommon.BaseResponse{
			Code:      pbCommon.StatusCode_STATUS_OK,
			Message:   "",
			Timestamp: time.Now().UnixMilli(),
		},
		NewCount: newCount,
	}, nil
}

// AddExhibitionHours 增加用户累计上架时长并触发升级检查（内部RPC调用）
func (s *userService) AddExhibitionHours(req *pb.AddExhibitionHoursRequest) (*pb.AddExhibitionHoursResponse, error) {
	// 1. 参数验证
	if !validator.ValidateUserID(req.UserId) {
		logger.Logger.Warn("Invalid user_id",
			zap.Int64("user_id", req.UserId),
		)
		return &pb.AddExhibitionHoursResponse{
			Base: appErrors.BuildBaseResponse(appErrors.ErrInvalidUserID),
		}, nil
	}

	if !validator.ValidateStarID(req.StarId) {
		logger.Logger.Warn("Invalid star_id",
			zap.Int64("star_id", req.StarId),
		)
		return &pb.AddExhibitionHoursResponse{
			Base: appErrors.BuildBaseResponse(appErrors.ErrInvalidStarID),
		}, nil
	}

	if req.ExhibitionHours <= 0 {
		logger.Logger.Warn("Invalid exhibition_hours",
			zap.Int64("exhibition_hours", req.ExhibitionHours),
		)
		return &pb.AddExhibitionHoursResponse{
			Base: &pbCommon.BaseResponse{
				Code:    pbCommon.StatusCode_STATUS_BAD_REQUEST,
				Message: "exhibition_hours must be positive",
			},
		}, nil
	}

	// 2. 增加累计上架时长并同步等级
	newLevel, levelDelta, crystalReward, err := s.fanProfileRepo.AddExhibitionHours(req.UserId, req.StarId, req.ExhibitionHours, req.SourceId)
	if err != nil {
		logger.Logger.Error("AddExhibitionHours failed",
			zap.Int64("user_id", req.UserId),
			zap.Int64("star_id", req.StarId),
			zap.Int64("exhibition_hours", req.ExhibitionHours),
			zap.Error(err))
		return &pb.AddExhibitionHoursResponse{
			Base: appErrors.BuildBaseResponse(appErrors.ErrInternalServer),
		}, err
	}

	logger.Logger.Info("AddExhibitionHours successful",
		zap.Int64("user_id", req.UserId),
		zap.Int64("star_id", req.StarId),
		zap.Int64("exhibition_hours", req.ExhibitionHours),
		zap.Int32("new_level", newLevel),
		zap.Int32("level_delta", levelDelta),
		zap.Int64("crystal_reward", crystalReward))

	return &pb.AddExhibitionHoursResponse{
		Base: &pbCommon.BaseResponse{
			Code:      pbCommon.StatusCode_STATUS_OK,
			Message:   "",
			Timestamp: time.Now().UnixMilli(),
		},
		NewLevel:     newLevel,
		LevelDelta:   levelDelta,
		CrystalReward: crystalReward,
	}, nil
}

// UpdateAvatar 更新用户头像
func (s *userService) UpdateAvatar(req *pb.UpdateAvatarRequest, userID, starID int64) (*pb.UpdateAvatarResponse, error) {
	// 1. 参数验证
	if !validator.ValidateUserID(userID) {
		logger.Logger.Warn("Invalid user_id",
			zap.Int64("user_id", userID),
		)
		return nil, fmt.Errorf("invalid user_id: %d", userID)
	}

	if !validator.ValidateStarID(starID) {
		logger.Logger.Warn("Invalid star_id",
			zap.Int64("star_id", starID),
		)
		return nil, appErrors.ErrInvalidStarID
	}

	if req.AvatarUrl == "" {
		logger.Logger.Warn("Avatar URL is empty",
			zap.Int64("user_id", userID),
		)
		return nil, fmt.Errorf("avatar_url cannot be empty")
	}

	// 2. 验证URL格式（简单验证）
	if len(req.AvatarUrl) > 500 {
		logger.Logger.Warn("Avatar URL too long",
			zap.Int64("user_id", userID),
			zap.Int("length", len(req.AvatarUrl)),
		)
		return nil, fmt.Errorf("avatar_url too long, max length is 500")
	}

	// 3. 更新头像
	if err := s.fanProfileRepo.UpdateAvatar(userID, starID, req.AvatarUrl); err != nil {
		if errors.Is(err, appErrors.ErrFanProfileNotFound) {
			logger.Logger.Warn("Fan profile not found",
				zap.Int64("user_id", userID),
				zap.Int64("star_id", starID),
			)
			return nil, appErrors.ErrFanProfileNotFound
		}
		logger.Logger.Error("Failed to update avatar",
			zap.Int64("user_id", userID),
			zap.Error(err),
		)
		return nil, fmt.Errorf("failed to update avatar: %w", err)
	}

	logger.Logger.Info("Update avatar successful",
		zap.Int64("user_id", userID),
		zap.Int64("star_id", starID),
		zap.String("avatar_url", req.AvatarUrl),
	)

	// 4. 构建响应
	return &pb.UpdateAvatarResponse{
		Base: &pbCommon.BaseResponse{
			Code:      pbCommon.StatusCode_STATUS_OK,
			Message:   "",
			Timestamp: time.Now().UnixMilli(),
		},
		AvatarUrl: req.AvatarUrl,
	}, nil
}