package video

import (
	"context"
	"fmt"

	dto "media/model/dto/video"
	service "media/service/video"

	"github.com/gogf/gf/v2/frame/g"
)

type analysis struct{}

var Analysis = new(analysis)

// Analysis 提交视频分析任务 POST /video/analysis
func (c *analysis) Analysis(ctx context.Context, req *dto.AnalysisReq) (res *dto.CreateAnalysisTaskRes, err error) {
	ctx = withUser(ctx)
	g.Log().Infof(ctx, "[视频分析] 收到请求 入参: total_videos=%d, callback=%s", len(req.VideoURLs), req.CallbackURL)

	if len(req.VideoURLs) == 0 {
		return nil, fmt.Errorf("视频URL列表不能为空")
	}

	taskID, taskErr := service.Analysis.CreateAsyncTask(ctx, req.VideoURLs, req.CallbackURL)
	if taskErr != nil {
		return nil, taskErr
	}

	return &dto.CreateAnalysisTaskRes{TaskID: taskID}, nil
}

// GetAnalysisTask 查询视频分析任务结果 GET /video/analysis/task/{taskId}
func (c *analysis) GetAnalysisTask(ctx context.Context, req *dto.GetAnalysisTaskReq) (res *dto.GetAnalysisTaskRes, err error) {
	ctx = withUser(ctx)
	return service.Analysis.GetTaskResult(ctx, req.TaskID)
}