package lib

// 存储相关功能的引入包只有这两个，后面不再赘述
import (
	"Cold_Api/conf"
	"context"
	"fmt"
	"io"
	"mime/multipart"
	"os"
	"path/filepath"
	"strconv"
	"time"

	"github.com/beego/beego/v2/core/logs"
	"github.com/qiniu/go-sdk/v7/auth/qbox"
	"github.com/qiniu/go-sdk/v7/storage"
	uuid "github.com/satori/go.uuid"
)

var Qiniu *qbox.Mac

// var (
//
//	//BUCKET是你在存储空间的名称
//	accessKey = "-8ezB_d-8-eUFTMvhOGbGzgeQRPeKQnaQ3DBcUxo"
//	secretKey = "KFhkYxTAJ2ZPN3ZS3euTsfWk8-C92rKgkhAMkDRN"
//	BUCKET    = "bzdcoldoss"
//
// )
func init() {
	Qiniu = qbox.NewMac(conf.Qiniu_AccessKey, conf.Qiniu_SecretKey)
}

// if !lib.Pload_qiniu("ofile/"+timeStr+".xlsx","ofile/"+timeStr+".xlsx"){
// c.Data["json"] = lib.JSONS{Code: 202, Msg: "oss!"}
// c.ServeJSON()
// return
// }
func Pload_qiniu(localFile string, name string) bool {
	//localFile := "C:\\Users\\Administrator\\Downloads\\kodo-browser-Windows-x64-v1.0.15.zip"
	//key := "kodo-browser-Windows-x64-v1.0.15.zip"
	// 自定义返回值结构体
	type MyPutRet struct {
		Key    string
		Hash   string
		Fsize  int
		Bucket string
		Name   string
	}

	//key := "your file save key"
	// 使用 returnBody 自定义回复格式
	putPolicy := storage.PutPolicy{
		Scope:      conf.Qiniu_BUCKET,
		ReturnBody: `{"key":"$(key)","hash":"$(etag)","fsize":$(fsize),"bucket":"$(bucket)","name":"$(x:name)"}`,
	}

	upToken := putPolicy.UploadToken(Qiniu)
	cfg := storage.Config{}
	formUploader := storage.NewFormUploader(&cfg)
	ret := MyPutRet{}
	putExtra := storage.PutExtra{
		Params: map[string]string{
			"x:name": "github logo",
		},
	}
	err := formUploader.PutFile(context.Background(), &ret, upToken, name, localFile, &putExtra)
	if err != nil {
		logs.Error("Pload_qiniu", err)
		return false
	}
	logs.Info("七牛云", ret.Bucket, ret.Key, ret.Fsize, ret.Hash, ret.Name)
	return true
}

func UploadToken(T_suffix string) string {
	Tokey := strconv.FormatInt(time.Now().Unix(), 10) + uuid.NewV4().String()
	if len(T_suffix) == 0 {
		T_suffix = "png"
	}
	putPolicy := storage.PutPolicy{
		Scope:      conf.Qiniu_BUCKET,
		InsertOnly: 1,    // 仅能以新增模式上传文件。
		Expires:    7200, //示例2小时有效期
		ReturnBody: `{"key":"` + conf.OssQiniu + `/$(key)","hash":"$(etag)","fsize":$(fsize),"bucket":"$(bucket)"}`,
		//{"key":"github-x.png","hash":"FqKXVdTvIx_mPjOYdjDyUSy_H1jr","fsize":6091,"bucket":"if-pbl","name":"github logo"}
		//{"key":"` + conf.Oss + `/$(key)","hash":"$(etag)","fsize":$(fsize),"bucket":"$(bucket)","name":"$(x:name)"}
		ForceSaveKey: true,
		SaveKey:      "UpImage/" + Tokey + "." + T_suffix,
		FsizeLimit:   1024 * 1024 * 500, // 500M 文件大小限制，后续可注释此行不限制大小
		// MimeLimit:    "image/*;application/pdf;application/octet-stream;application/zip;application/x-tar;application/msword;video/mp4", // 增加MP4格式支持，后续可注释此行不限制类型
	}

	upToken := putPolicy.UploadToken(Qiniu)
	return upToken
}

// UploadFileToQiniu 公共文件上传方法，上传文件到七牛云
func UploadFileToQiniu(file *multipart.FileHeader, keyPrefix string) (string, error) {
	// 打开文件
	src, err := file.Open()
	if err != nil {
		return "", err
	}
	defer src.Close()

	// 生成唯一文件名
	var key string
	if keyPrefix == "" {
		key = "uploads/" + strconv.FormatInt(time.Now().Unix(), 10) + "_" + file.Filename
	} else {
		key = keyPrefix + strconv.FormatInt(time.Now().Unix(), 10) + "_" + file.Filename
	}

	// 创建临时文件
	tempDir := os.TempDir()
	tempFile := filepath.Join(tempDir, filepath.Base(key))

	// 确保目录存在
	dir := filepath.Dir(tempFile)
	if err := os.MkdirAll(dir, 0755); err != nil {
		return "", fmt.Errorf("创建临时目录失败: %v", err)
	}

	// 将上传的文件写入临时文件
	dst, err := os.Create(tempFile)
	if err != nil {
		return "", fmt.Errorf("创建临时文件失败: %v", err)
	}
	defer dst.Close()
	defer os.Remove(tempFile) // 上传后删除临时文件

	_, err = io.Copy(dst, src)
	if err != nil {
		return "", fmt.Errorf("写入临时文件失败: %v", err)
	}

	// 直接使用七牛云SDK上传
	return uploadFileDirectToQiniu(tempFile, key)
}

// uploadFileDirectToQiniu 直接上传文件到七牛云
func uploadFileDirectToQiniu(localFile string, key string) (string, error) {
	// 自定义返回值结构体
	type QiniuUploadResult struct {
		Key    string `json:"key"`
		Hash   string `json:"hash"`
		Fsize  int64  `json:"fsize"`
		Bucket string `json:"bucket"`
	}

	// 使用 returnBody 自定义回复格式
	putPolicy := storage.PutPolicy{
		Scope:      conf.Qiniu_BUCKET,
		ReturnBody: `{"key":"$(key)","hash":"$(etag)","fsize":$(fsize),"bucket":"$(bucket)"}`,
		FsizeLimit: 1024 * 1024 * 500, // 500M 文件大小限制，后续可注释此行不限制大小
		// MimeLimit: "image/*;application/pdf;application/octet-stream;application/zip;application/x-tar;application/msword;video/mp4", // 增加MP4格式支持，后续可注释此行不限制类型
	}

	upToken := putPolicy.UploadToken(Qiniu)
	cfg := storage.Config{}
	formUploader := storage.NewFormUploader(&cfg)
	ret := QiniuUploadResult{}
	putExtra := storage.PutExtra{}

	err := formUploader.PutFile(context.Background(), &ret, upToken, key, localFile, &putExtra)
	if err != nil {
		logs.Error("UploadFileToQiniu", "上传文件失败 "+localFile, err.Error())
		return "", fmt.Errorf("上传文件到七牛云失败: %v", err)
	}

	logs.Info("七牛云上传成功", ret.Bucket, ret.Key, ret.Fsize, ret.Hash)
	return conf.Qiniu_Url + ret.Key, nil
}