// Copyright (c) 2020 tickstep.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package panupload

import (
	"github.com/tickstep/aliyunpan/internal/config"
	"github.com/tickstep/library-go/converter"
	"github.com/tickstep/library-go/logger"
	"net/url"
	"strconv"
	"time"
)

const (
	// MaxUploadBlockSize 最大上传的文件分片大小
	MaxUploadBlockSize = 2 * converter.GB
	// MinUploadBlockSize 最小的上传的文件分片大小
	MinUploadBlockSize = 4 * converter.MB
	// MaxRapidUploadSize 秒传文件支持的最大文件大小
	MaxRapidUploadSize = 20 * converter.GB

	UploadingFileName = "aliyunpan_uploading.json"
)

var (
	cmdUploadVerbose = logger.New("FILE_UPLOAD", config.EnvVerbose)
)

func getBlockSize(fileSize int64) int64 {
	blockNum := fileSize / MinUploadBlockSize
	if blockNum > 999 {
		return fileSize/999 + 1
	}
	return MinUploadBlockSize
}


// isUrlExpired 上传链接是否已过期。过期返回True
func isUrlExpired(urlStr string) bool {
	u, err := url.Parse(urlStr)
	if err != nil {
		return true
	}
	expiredTimeSecStr := u.Query().Get("x-oss-expires")
	expiredTimeSec,_ := strconv.ParseInt(expiredTimeSecStr, 10, 64)
	if (time.Now().Unix() - 10) >= expiredTimeSec {
		// expired
		return true
	}
	return false
}