const electron = require('electron')
const COS = require('cos-nodejs-sdk-v5')
const request = require('request')
const crypto = require('crypto')

const sha1keyBase64 = function(str, key) {
  return crypto.createHmac('sha1', key).update(str).digest('base64')
}
const randomNum = function(minNum, maxNum) {
  return parseInt(Math.random() * (maxNum - minNum + 1) + minNum, 10)
}

const generateNonce = function() {
  return randomNum(10000, 99999)
}

const SecretId = 'AKIDvmW8mNvCQVt9GEnd3JNH5lHKI8oJnv46'
const SecretKey = 'd6QZhgT7alnhR3VghWAg3FF4c2JMG1c2'

const cosCDN = new COS({
  SecretId,
  SecretKey
})

const generateSign = function(method, data) {
  let str = `${method}cdn.api.qcloud.com/v2/index.php?`
  let i = 0
  for (const key in data) {
    if ({}.hasOwnProperty.call(data, key)) {
      if (i++ > 0) str += '&'
      str += `${key}=${data[key]}`
    }
  }
  return sha1keyBase64(str, SecretKey)
}

const cdnTools = {
  refreshDir(url) {
    const now = Math.round(new Date() / 1000)
    const data = {
      Action: 'RefreshCdnDir',
      Nonce: generateNonce(),
      SecretId: SecretId,
      Timestamp: now,
      'dirs.0': url
    }
    data.Signature = generateSign('POST', data)
    return new Promise((resolve, reject) => {
      const link = 'https://cdn.api.qcloud.com/v2/index.php'
      const options = {
        method: 'POST',
        url: link,
        headers: {
          'Cache-Control': 'no-cache',
          'Content-Type': 'application/x-www-form-urlencoded'
        },
        form: data
      }
      request(options, (err, response, body) => {
        if (err) {
          return reject(err)
        }
        resolve(JSON.parse(body))
      })
    })
  },
  refreshOneUrl(url) {
    const now = Math.round(new Date() / 1000)
    const data = {
      Action: 'RefreshCdnUrl',
      Nonce: generateNonce(),
      SecretId: SecretId,
      Timestamp: now,
      'urls.0': url
    }
    data.Signature = generateSign('POST', data)
    return new Promise((resolve, reject) => {
      const link = 'https://cdn.api.qcloud.com/v2/index.php'
      const options = {
        method: 'POST',
        url: link,
        headers: {
          'Cache-Control': 'no-cache',
          'Content-Type': 'application/x-www-form-urlencoded'
        },
        form: data
      }
      request(options, (err, response, body) => {
        if (err) {
          return reject(err)
        }
        resolve(JSON.parse(body))
      })
    })
  },
  uploadToCDN(fileName, path) {
    return new Promise(function(resolve, reject) {
      cosCDN.sliceUploadFile({
        Bucket: 'client-1256832210',
        Region: 'ap-beijing',
        Key: fileName,
        FilePath: path
      }, function(err, data) {
        if (err) {
          reject(err)
        } else {
          resolve(data)
        }
      })
    })
  },
  deleteFromCDN(files) {
    return new Promise(function(resolve, reject) {
      cosCDN.deleteMultipleObject({
        Bucket: 'client-1256832210',
        Region: 'ap-beijing',
        Objects: files
      }, function(err, data) {
        if (err) {
          reject(err)
        } else {
          resolve(data)
        }
      })
    })
  },
  listCDN(subPath) {
    return new Promise(function(resolve, reject) {
      cosCDN.getBucket({
        Bucket: 'client-1256832210',
        Region: 'ap-beijing',
        Prefix: subPath
      }, function(err, data) {
        // console.log(err || data.Contents)
        if (err) {
          reject(err)
        } else {
          resolve(data.Contents)
        }
      })
    })
  }
}

const main = function() {
  electron.ipcRenderer.on('ping', (event, message) => {
    console.log(message) // Prints 'whoooooooh!'
  })
  electron.ipcRenderer.on('save', (event, message) => {
    console.log('save')
    const eventMap = new CustomEvent('saveMap', {
      bubbles: true,
      detail: {}
    })
    window.dispatchEvent(eventMap)
  })
  electron.ipcRenderer.on('load', (event, message) => {
    console.log('load')
    console.log(message)
    const eventMap = new CustomEvent('loadMap', {
      bubbles: true,
      detail: { path: message[0] }
    })
    window.dispatchEvent(eventMap)
  })
  window.refreshCDN = function(gameId) {
    return cdnTools.refreshDir(`${gameId}/`)
  }
  window.listCDN = function(subPath) {
    return cdnTools.listCDN(subPath)
  }
  window.deleteFromCDN = function(files) {
    return cdnTools.deleteFromCDN(files)
  }
  window.uploadFile = function(filePath, showPath) {
    return cdnTools.uploadToCDN(showPath, filePath)
      .then((data) => {
        console.log(data)
        const urlCdn = `https://resource.kingsome.cn/${data.Key}`
        return cdnTools.refreshOneUrl(urlCdn)
      })
    // electron.remote.dialog.showOpenDialog({
    //   title: '选择配表所在文件夹',
    //   properties: ['openDirectory']
    // }).then(result => {
    //   console.log(result)
    //   const eventMap = new CustomEvent('loadMap', {
    //     bubbles: true,
    //     detail: { path: result.filePaths[0] }
    //   })
    //   window.dispatchEvent(eventMap)
    // }).catch(err => {
    //   console.log(err)
    // })
  }
  window.upload2FTP = function(filePath, showPath) {
    // return ftpTools.upload(filePath, showPath)
  }
  window.saveMap = function() {
    const eventMap = new CustomEvent('saveMap', {
      bubbles: true,
      detail: {}
    })
    window.dispatchEvent(eventMap)
  }

  window.selectGame = function() {
    electron.remote.dialog.showOpenDialog({
      title: '选择配表所在文件夹',
      properties: ['openDirectory']
    }).then(result => {
      console.log(result)
      if (result.canceled) {
        return
      }
      const eventMap = new CustomEvent('setGamePath', {
        bubbles: true,
        detail: { path: result.filePaths[0] }
      })
      window.dispatchEvent(eventMap)
    }).catch(err => {
      console.log(err)
    })
  }
  // ftpTools.init()
}
window.onload = function() {
  main()
}