package video

import (
	"context"
	"fmt"

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

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

type sceneSplit struct{}

var SceneSplit = new(sceneSplit)

// CreateSceneSplit 创建场景分割任务 POST /video/scene-split
func (c *sceneSplit) CreateSceneSplit(ctx context.Context, req *dto.SceneSplitReq) (res *dto.CreateSceneSplitTaskRes, err error) {
	ctx = withUser(ctx)
	g.Log().Infof(ctx, "[场景分割] 收到请求 入参: videoUrl=%s, threshold=%.1f, callback=%s",
		req.VideoURL, req.Threshold, req.CallbackURL)

	if req.VideoURL == "" {
		return nil, fmt.Errorf("视频URL不能为空")
	}

	taskID, taskErr := service.SceneSplit.CreateAsyncTask(ctx, req.VideoURL, req.Threshold, req.CallbackURL)
	if taskErr != nil {
		return nil, taskErr
	}

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

// GetSceneSplitTask 查询场景分割任务结果 GET /video/scene-split/task/{taskId}
func (c *sceneSplit) GetSceneSplitTask(ctx context.Context, req *dto.GetSceneSplitTaskReq) (res *dto.GetSceneSplitTaskRes, err error) {
	ctx = withUser(ctx)
	return service.SceneSplit.GetTaskResult(ctx, req.TaskID)
}