package financial

import (
	"context"
	"fmt"
	"mime/multipart"
	"path"
	"strings"
	"time"

	"git.rosy.net.cn/baseapi/utils"
	"git.rosy.net.cn/jx-callback/business/jxutils"
	"git.rosy.net.cn/jx-callback/business/jxutils/tasksch"
	"git.rosy.net.cn/jx-callback/business/jxutils/weixinmsg"
	"git.rosy.net.cn/jx-callback/business/model"
	"git.rosy.net.cn/jx-callback/business/model/dao"
	"git.rosy.net.cn/jx-callback/globals"
	"git.rosy.net.cn/jx-callback/globals/api"
	"github.com/qiniu/api.v7/storage"
)

type tUploadFileInfo struct {
	FileHeader *multipart.FileHeader
	StoreID    int
}

func SendFilesToStores(files []*multipart.FileHeader, isAsync bool, userName string) (msg string, err error) {
	fileList := make([]*tUploadFileInfo, len(files))
	for k, fileHeader := range files {
		fileList[k] = &tUploadFileInfo{
			FileHeader: fileHeader,
		}
		fileNameParts := strings.Split(fileHeader.Filename, "_")
		if len(fileNameParts) < 3 {
			return "", fmt.Errorf("文件名:%s不规范，没有包含三个必要的部分", fileHeader.Filename)
		}
		fileList[k].StoreID = int(utils.Str2Int64WithDefault(fileNameParts[0], 0))
		if fileList[k].StoreID < 100000 || fileList[k].StoreID > 1000000 {
			return "", fmt.Errorf("文件名:%s不规范，不以合法的京西门店ID开始", fileHeader.Filename)
		}
	}
	putPolicy := storage.PutPolicy{
		Scope:   globals.QiniuBucket,
		Expires: 10 * 60,
	}
	upToken := putPolicy.UploadToken(api.QiniuAPI)
	cfg := &storage.Config{}
	task := tasksch.RunManagedTask("SendFilesToStores", false, nil, 0, 1, userName, func(batchItemList []interface{}, params ...interface{}) (retVal interface{}, err error) {
		fileInfo := batchItemList[0].(*tUploadFileInfo)
		fileHeader := fileInfo.FileHeader
		storeID := fileInfo.StoreID
		file, err := fileHeader.Open()
		if err == nil {
			ret := storage.PutRet{}
			key := "storeBill_" + utils.Int2Str(storeID) + "_" + strings.ToLower(utils.GetUUID()) + path.Ext(fileHeader.Filename)
			formUploader := storage.NewFormUploader(cfg)
			err = formUploader.Put(context.Background(), &ret, upToken, key, file, fileHeader.Size, nil)
			file.Close()
			// globals.SugarLogger.Debug(utils.Format4Output(ret, false))
			if err == nil {
				db := dao.GetDB()
				billRec := &model.StoreBill{
					Date:     time.Now(),
					Url:      jxutils.ComposeQiniuResURL(ret.Key),
					StoreId:  storeID,
					BillName: fileHeader.Filename,
				}
				if err = dao.CreateEntity(db, billRec); err == nil {
					err = weixinmsg.NotifySaleBill(storeID, billRec.Url)
				}
			}
		}
		return retVal, err
	}, fileList)

	if isAsync {
		return "Running", nil
	}
	if _, err = task.GetResult(0); err == nil {
		return "Done", nil
	}
	return "", err
}