package api

import (
	"ZhenTuLocalPassiveAdapter/logger"
	"context"
	"fmt"
	"go.uber.org/zap"
	"golang.org/x/sync/errgroup"
)

// UploadFaceData implements the coordinated upload flow: Get Config -> Upload -> Notify
func UploadFaceData(ctx context.Context, scenicId int64, deviceNo string, faceImg, thumbImg, srcImg []byte, facePos FacePositionInfo) error {
	// 1. Get Upload Config
	uploadConfig, err := GetUploadConfig(ctx, scenicId, deviceNo)
	if err != nil {
		logger.Error("获取上传配置失败", zap.String("deviceNo", deviceNo), zap.Error(err))
		return err
	}

	logger.Info("获取到VIID任务ID", zap.Int64("taskId", uploadConfig.TaskID))

	// 2. Parallel Upload to OSS
	g, subCtx := errgroup.WithContext(ctx)

	// Upload Face Image
	g.Go(func() error {
		if len(faceImg) > 0 {
			if err := UploadFileToOSS(subCtx, uploadConfig.FaceUploadURL, faceImg, "image/jpeg"); err != nil {
				return fmt.Errorf("upload face image failed: %w", err)
			}
		}
		return nil
	})

	// Upload Thumbnail Image
	g.Go(func() error {
		if len(thumbImg) > 0 {
			if err := UploadFileToOSS(subCtx, uploadConfig.ThumbnailUploadURL, thumbImg, "image/jpeg"); err != nil {
				return fmt.Errorf("upload thumbnail image failed: %w", err)
			}
		}
		return nil
	})

	// Upload Source Image
	g.Go(func() error {
		if len(srcImg) > 0 {
			if err := UploadFileToOSS(subCtx, uploadConfig.SourceUploadURL, srcImg, "image/jpeg"); err != nil {
				return fmt.Errorf("upload source image failed: %w", err)
			}
		}
		return nil
	})

	if err := g.Wait(); err != nil {
		// Report failure
		SubmitFailure(ctx, uploadConfig.TaskID, "UPLOAD_FAILED", err.Error())
		logger.Error("文件上传失败", zap.Int64("taskId", uploadConfig.TaskID), zap.Error(err))
		return err
	}

	// 3. Submit Result
	if err := SubmitResult(ctx, uploadConfig.TaskID, facePos); err != nil {
		logger.Error("提交结果失败", zap.Int64("taskId", uploadConfig.TaskID), zap.Error(err))
		return err
	}

	logger.Info("VIID任务完成", zap.Int64("taskId", uploadConfig.TaskID))
	return nil
}