const { spawn: spawn2 } = require('child_process');
const path = require('path');
const { cwd } = require('process');
const { readFile, createReadStream } = require("fs");
const { post } = require("axios");
const https = require('https')
const fs = require('fs');

// 设置环境变量为自带的bin
function spawn(exe, arg, config) {
    if (!config) {
        config = {}
    }
    config.env = {...process.env}
    config.env.Path = [path.join(cwd(), '/bin'), path.join(cwd(), '/bin/MediaInfoCLI'), path.join(cwd(), '/bin/Transmission')].join(";")

    return spawn2(exe, arg, config)
}

function seep(time) {
    return new Promise((res) => {
        setTimeout(() => {
            res()
        }, time)
    })
}

/**
 * 上传图片至图床
 * @param filePath 图片路径
 */
async function uploadImg(filePath) {
    let data = createReadStream(filePath)
    console.log(data)
    try {
        let res = await post('https://image.zmpt.cc/upload/localhost', {
            file: data
        }, {
            proxy: false,
            headers: {
                'Content-Type': 'multipart/form-data'
            }
        })
        console.log(res)
        return res.data
    } catch (err) {
        console.error(err)
        return err
    }
}


/**
 * 获取腾讯视频播放列表
 * @param {String}cid 视频id
 * @returns {JSON} 播放列表等参数
 */
function getTencentVideoPlayList(cid) {
    return new Promise((resolve) => {
        const lux = spawn("getTencentVideoPlayList.exe", [cid, 'vversion_name=8.2.95;', 1])
        lux.stdout.on('data', (data) => {
            resolve(JSON.parse(String(data)))
        });
    })
}


/**
 * 获取视频截图
 * @param {String} filePath 文件绝对路径
 * @param {number} seconds 时间
 * @param {string} save 保存绝对路径(含文件名)
 * @returns {Promise<String>} 文件位置(待定)
 */
function getVideoSpecifyTimeImage(filePath, seconds, save) {
    return new Promise((resolve) => {
        const lux = spawn("ffmpeg", ['-ss', `${formatSeconds(seconds)}`, '-i', filePath, '-vframes', '1', save], {
            env: {
                path: path.join(cwd(), './bin/')
            }
        })
        lux.stdout.on('data', (data) => {
            console.log(data)
        });
        lux.on('close', (code) => {
            console.log("结束")
            console.log(code.toString())
            resolve(save)
        });
        lux.stderr.on("data", (err) => {
            console.log(String(err))
        })
        console.log(lux)
    })
}

/**
 * 获取视频文件信息
 * @param {String}filePath 文件绝对路径
 * @return {Promise<JSON>} videoInfo
 */
function getMediaInfo(filePath) {
    return new Promise((resolve) => {
        let all = ""
        const lux = spawn("MediaInfo.exe", ['--output=JSON', filePath])
        lux.stdout.on('data', (data) => {
            all += String(data)
        });
        lux.stdout.on('close', () => {
            console.log(all)
            resolve(JSON.parse(all))
        })
       

    })
}

/**
 * 发布种子的获取视频文件信息
 * @param {String}filePath 文件绝对路径
 * @return {Promise<JSON>} videoInfo
 */
function getMediaInfoSend(filePath) {
    return new Promise((resolve) => {
        let all = ""
        const lux = spawn("MediaInfo.exe", [filePath])
        lux.stdout.on('data', (data) => {
            all += String(data)
        });
        lux.stdout.on('close', () => {
            resolve(all)
        })
       

    })
}

/**
 * 制种
 * @param {String}filePath 文件绝对路径
 * @param {String}save 保存绝对路径(含文件名)
 * @return {Promise<String>} 日志
 */
function createTorrent(filePath, save) {
    return new Promise((resolve) => {
        const lux = spawn("transmission-create", [filePath, '-p', '-t https://zmpt.cc/announce.php', '-o', save])
        let response = '';
        lux.stdout.on('data', (data) => {
            response += data
        });
        lux.stdout.on('close', () => {
            resolve(response)
        })
    })
}


function dow(info, callback) {
    console.log( ['--cookies-from-browser', 'chrome', '-P', info.save, '-o', info.title + '.mp4', info.url].join(" "))
    const lux = spawn("yt-dlp", ['--cookies-from-browser', 'chrome', '-P', info.save, '-o', info.title + '.mp4', info.url], {
        env: {
            path: path.join(cwd(), './bin/')
        }
    })
    lux.stdout.on('data', (data) => {
        console.log(String(data))
        callback(String(data), false)
    });
    lux.on('close', (code) => {
        console.log("结束")
        callback(code, true)
    });
}

/**
 * 秒到时分秒
 * @param value 秒
 * @return {string|number} 返回时间格式[00:00:00]
 */
function formatSeconds(value) {
    var secondTime = parseInt(value);// 秒
    var minuteTime = 0;// 分
    var hourTime = 0;// 小时
    if (secondTime > 60) {//如果秒数大于60，将秒数转换成整数
        //获取分钟，除以60取整数，得到整数分钟
        minuteTime = parseInt(secondTime / 60);
        //获取秒数，秒数取佘，得到整数秒数
        secondTime = parseInt(secondTime % 60);
        //如果分钟大于60，将分钟转换成小时
        if (minuteTime > 60) {
            //获取小时，获取分钟除以60，得到整数小时
            hourTime = parseInt(minuteTime / 60);
            //获取小时后取佘的分，获取分钟除以60取佘的分
            minuteTime = parseInt(minuteTime % 60);
        }
    }
    var result = "" + secondTime >= 10 ? secondTime : '0' + secondTime;

    if (minuteTime > 0) {
        result = "" + (minuteTime >= 10 ? minuteTime : '0' + minuteTime) + ":" + result;
    } else {
        result = "" + "00" + ":" + result;
    }
    if (hourTime > 0) {
        result = "" + (hourTime >= 10 ? hourTime : '0' + hourTime) + ":" + result;
    } else {
        result = "" + "00" + ":" + result;
    }
    return result;
}

/**
 * 判断文件是否存在
 * @param {string} filePath 文件路径
 * @returns {boolean} true存在，false不存在
 */
function fileIsExist(filePath){
    if (fs.existsSync(filePath)) {
        return true
      } else {
        return false
      }
}

/**
 * 删除文件夹
 * @param {string} filePath 删除文件夹
 */

function deleteFolder(filePath) {
    const files = []
    if (fs.existsSync(filePath)) {
      const files = fs.readdirSync(filePath)
      files.forEach((file) => {
        const nextFilePath = `${filePath}/${file}`
        const states = fs.statSync(nextFilePath)
        if (states.isDirectory()) {
          //recurse
          deleteFolder(nextFilePath)
        } else {
          //delete file
          fs.unlinkSync(nextFilePath)
        }
      })
      fs.rmdirSync(filePath)
    }
  }


module.exports = {
    seep,
    dow,
    getVideoSpecifyTimeImage,
    getMediaInfo,
    createTorrent,
    getTencentVideoPlayList,
    uploadImg,
    spawn,
    fileIsExist,
    getMediaInfoSend,
    deleteFolder
}