package provider

import (
	"context"
	"time"

	appErrors "github.com/topfans/backend/pkg/errors"
	"github.com/topfans/backend/pkg/logger"
	pb "github.com/topfans/backend/pkg/proto/ranking"
	pbCommon "github.com/topfans/backend/pkg/proto/common"
	"github.com/topfans/backend/services/assetService/service"
	"go.uber.org/zap"
)

// RankingProvider 排行榜服务Provider实现
// 实现 Triple 协议生成的 RankingServiceHandler 接口
type RankingProvider struct {
	rankingService service.RankingService
}

// 确保 RankingProvider 实现了 RankingServiceHandler 接口
var _ pb.RankingServiceHandler = (*RankingProvider)(nil)

// NewRankingProvider 创建排行榜服务Provider实例
func NewRankingProvider(rankingService service.RankingService) *RankingProvider {
	return &RankingProvider{
		rankingService: rankingService,
	}
}

// GetHotRanking 获取热度排行榜
func (p *RankingProvider) GetHotRanking(ctx context.Context, req *pb.GetRankingRequest) (*pb.GetRankingResponse, error) {
	logger.Logger.Info("Received GetHotRanking request",
		zap.String("dimension", req.Dimension),
		zap.Int64("star_id", req.StarId),
		zap.Int32("page", req.Page),
		zap.Int32("page_size", req.PageSize),
	)

	// 调用Service层
	resp, err := p.rankingService.GetHotRanking(ctx, req)
	if err != nil {
		logger.Logger.Error("GetHotRanking failed",
			zap.Error(err),
		)
		return &pb.GetRankingResponse{
			Base: &pbCommon.BaseResponse{
				Code:      appErrors.ToStatusCode(err),
				Message:   err.Error(),
				Timestamp: time.Now().UnixMilli(),
			},
		}, err
	}

	logger.Logger.Debug("GetHotRanking successful",
		zap.Int("items_count", len(resp.Items)),
	)

	return resp, nil
}

// GetOriginalRanking 获取自制排行榜
func (p *RankingProvider) GetOriginalRanking(ctx context.Context, req *pb.GetRankingRequest) (*pb.GetRankingResponse, error) {
	logger.Logger.Info("Received GetOriginalRanking request",
		zap.String("dimension", req.Dimension),
		zap.Int64("star_id", req.StarId),
		zap.Int32("page", req.Page),
		zap.Int32("page_size", req.PageSize),
	)

	// 调用Service层
	resp, err := p.rankingService.GetOriginalRanking(ctx, req)
	if err != nil {
		logger.Logger.Error("GetOriginalRanking failed",
			zap.Error(err),
		)
		return &pb.GetRankingResponse{
			Base: &pbCommon.BaseResponse{
				Code:      appErrors.ToStatusCode(err),
				Message:   err.Error(),
				Timestamp: time.Now().UnixMilli(),
			},
		}, err
	}

	logger.Logger.Debug("GetOriginalRanking successful",
		zap.Int("items_count", len(resp.Items)),
	)

	return resp, nil
}