package logic

import (
	"context"
	"time"

	"godemo/file/file"
	"godemo/file/internal/svc"
	"godemo/file/worker"

	"github.com/google/uuid"
	"github.com/zeromicro/go-zero/core/logx"
)

type GenerateImageVersionsLogic struct {
	ctx    context.Context
	svcCtx *svc.ServiceContext
	logx.Logger
}

func NewGenerateImageVersionsLogic(ctx context.Context, svcCtx *svc.ServiceContext) *GenerateImageVersionsLogic {
	return &GenerateImageVersionsLogic{
		ctx:    ctx,
		svcCtx: svcCtx,
		Logger: logx.WithContext(ctx),
	}
}

// 异步生成图片版本接口
func (l *GenerateImageVersionsLogic) GenerateImageVersions(in *file.GenerateImageVersionsRequest) (*file.GenerateImageVersionsResponse, error) {
	// 1. 验证输入参数

	// 2. 检查文件是否存在

	// 3. 创建任务对象，并提交到任务队列
	requestID := uuid.New().String()
	worker.ImageProcessTaskQueue <- worker.ImageProcessTask{
		FileID:    in.FileId,
		Versions:  in.Versions,
		RequestID: requestID,
		CreatedAt: time.Now(),
	}

	// 4. 返回响应
	return &file.GenerateImageVersionsResponse{
		TaskId:   requestID,
		Accepted: true,
	}, nil
}