package services

import (
	"context"
	"errors"
	"eta_gn/eta_report/utils"
	"github.com/minio/minio-go/v7"
	"github.com/minio/minio-go/v7/pkg/credentials"
	"log"
	"os"
	"time"
)


type MinioOss struct{}

func (m *MinioOss) UploadFile(fileName, filePath, savePath string) (string, error) {
	defer func() {
		_ = os.Remove(filePath)
	}()
	if utils.MinIoAccessKeyId == `` || utils.MinIoAccessKeySecret == `` {
		return "0", errors.New("MinIo信息未配置")
	}

	ctx := context.Background()
	endpoint := utils.MinIoEndpoint
	accessKeyID := utils.MinIoAccessKeyId
	secretAccessKey := utils.MinIoAccessKeySecret
	useSSL := false
	if utils.MinIoUseSSL == "true" {
		useSSL = true
	}
	minioClient, err := minio.New(endpoint, &minio.Options{
		Creds:  credentials.NewStaticV4(accessKeyID, secretAccessKey, ""),
		Secure: useSSL,
	})
	if err != nil {
		log.Fatalln(err)
		return "1", err
	}
	bucketName := utils.MinIoBucketname
	exists, errBucketExists := minioClient.BucketExists(ctx, bucketName)
	if errBucketExists == nil && exists {
		log.Printf("We already own %s\n", bucketName)
	} else {
		log.Fatalln(err)
		return "2", err
	}

	path := savePath
	if savePath == "" {
		path = utils.MinIoUploadDir + time.Now().Format("200601/20060102/") + fileName
	}
	_, err = minioClient.FPutObject(ctx, bucketName, path, filePath, minio.PutObjectOptions{})
	if err != nil {
		log.Fatalln(err)
		return "3", err
	}
	resourceUrl := utils.MinIoImghost + path
	return resourceUrl, err
}

func (m *MinioOss) GetUploadToken() (token OssToken, err error) {
	token.AccessKeyId = utils.MinIoAccessKeyId
	token.SecretKeyId = utils.MinIoAccessKeySecret
	token.Endpoint = utils.MinIoEndpoint
	token.ImgHost = utils.MinIoImghost
	token.Bucketname = utils.MinIoBucketname
	token.UseSSL = utils.MinIoUseSSL
	token.RegionId = utils.MinIoRegion
	token.Port = utils.MinIoPort
	return
}