// #ifdef H5
// import device from 'current-device' // https://github.com/matthewhudson/current-device
// #endif

module.exports = {
  clog(...message){ 
    console.log('【【【【【【【【【【', 
      getCurrentPages().length>0 ? getCurrentPages().pop().route : 'pages/Welcome', // 在首页时，getApp() 或 getCurrentPages() 有可能获取不到。
      ...message, 
      '】】】】】】】】】】】')
  },

  sleep: (ms)=>new Promise((resolve, reject)=>setTimeout(resolve, ms)),

  async request({method='POST', url, header={}, data={}}){
    
    url = this.makeUrl(url)
    if (uni.getStorageSync('_passtoken')) {
      header._passtoken = uni.getStorageSync('_passtoken')
    }
    if (method==='GET') { // 如果不是 POST 方法,要额外把参数JSON化
      for (let key in data) {
        data[key] = JSON.stringify(data[key])
      }
    }
    
    console.log('👇 👇 👇 👇 < Request > 👇 👇 👇 👇 ', {method, url, header, data}, '👆 👆 👆 👆 < /Request > 👆 👆 👆 👆')
    let [error, response] = await uni.request({method, url, header, data})
    console.log('⬇️ ⬇️ ⬇️ ⬇️ < Response > ⬇️ ⬇️ ⬇️ ⬇️ ', response, '⬆️ ⬆️ ⬆️ ⬆️ < /Response > ⬆️ ⬆️ ⬆️ ⬆️')
    return [error, response]
  },

  async pickupFile({type='image', count=1, mediaType, sizeType, sourceType, compress=false, url, header={}, formData={}, name='file'}){ // choose and upload file
    let picked
    if (type==='image'){
      picked = await uni.chooseImage({count, sizeType})
    }else if (type==='video'){
      picked = await uni.chooseVideo({count, compressed:compress, sourceType})
    }else {
      picked = await uni.chooseMedia({count, mediaType, sizeType, sourceType})
    }
    let [errorChoose, {tempFilePaths, tempFiles}={}] = picked

    if (!errorChoose){
      
      if (compress && tempFiles[0].size>1048576){
        console.log('========= compressing -------')
        await uni.compressImage({ // compressImage not implemented yet in H5
          src:tempFiles[0].path,
          quality: 50,
          success: res => {
            console.log('======= compressed-------')
            console.log(res)
            tempFilePaths[0] = res.tempFilePath
          },
          fail: err => {
            console.log('======= compress failed ====')
            console.log(err)
          }
        })
      }

      if (uni.getStorageSync('_passtoken')) {
        header._passtoken = uni.getStorageSync('_passtoken')
      }else{
        return [{ _ERROR: 'USER_OFFLINE', errMsg:'offline user cannot upload files' }, null]
      }

      for (let key in formData) { // multer 不会自动处理 JSON 数据,必须前后端配合处理
        formData[key] = JSON.stringify(formData[key])
      }

      uni.showLoading()
      let [errorUpload, response] = await uni.uploadFile({ filePath: tempFilePaths[0], url: this.makeUrl(url), header, formData, name })
      uni.hideLoading()

      if (response && response.data) {
        try {
          response.data = JSON.parse(response.data)
        }catch (exception) {}
      }
      return [errorUpload, response]
 
    }else{
      return [{ _ERROR:'USER_CANCELED'}, null]
    }
      
  },

  async uploadFile({url, name='file', formData={}, header={}}){
    url = this.makeUrl(url)
    if (uni.getStorageSync('_passtoken')) {
      header._passtoken = uni.getStorageSync('_passtoken')
    }else{
      return [{ errMsg:'offline user cannot upload files' }, null]
    }

    for (let key in formData) { // multer 不会自动处理 JSON 数据,必须前后端配合处理
      formData[key] = JSON.stringify(formData[key])
    }

    let [error, response] = await uni.uploadFile({url,name,formData,header})
    if (response && response.data) {
      try {
        response.data = JSON.parse(response.data)
      }catch (exception) {}
    }
    return [error, response]
  },

  openUrl(url){
    // #ifdef APP-PLUS
    plus.runtime.openURL(url)
    // #endif
    // #ifdef H5
    window.open(url, "_blank")
    // #endif
  },

  getSystemInfo(){
    let systemInfo = uni.getSystemInfoSync()
    // #ifdef H5
    systemInfo.runtime = 'h5'
    
    // if (device.mobile()){
    //   systemInfo.platform = 'mobile'
    // }else if (device.desktop()){
    //   systemInfo.platform = 'desktop'
    // }else if (device.tablet()){
    //   systemInfo.platform = 'tablet'
    // }

    if (/MicroMessenger/.test(window.navigator.userAgent)) { // 微信内置浏览器
      systemInfo.browser = 'wechat'
    }

    // #endif
    
    // #ifdef APP-PLUS || APP-PLUS-NVUE
    systemInfo.runtime = 'app'
    // 细分成 systemInfo.platform === ios or android
    // #endif

    // #ifdef MP
    systemInfo.runtime = 'mp'
    // 细分成 WEIXIN, ...
    // #endif
    
    return systemInfo
  },
 
  showToast({type, icon, image, title, duration, ...rest}){
    let pageNow = this.$store ? this : getCurrentPages().pop()
    if (pageNow.$refs && pageNow.$refs.toast) { // 在 ios app 里，虽然能获得 pageNow，但是不存在 pageNow.$refs，不知为何。android app 没有测试
      pageNow.$refs.toast.open({type, content:title, duration, ...rest})
    }else {
      // #ifdef APP-PLUS
      if (uni.getSystemInfoSync().platform==='android') {
        uni.showToast({icon:'none', title, duration, ...rest})
        return
      }
      // #endif
      if (!image){
        image = `../static/Common.${type?type:'info'}.png`
      }
      uni.showToast({icon, image, title, duration, ...rest})
    }
  },

  setBarTitles({windowTitle, pageTitle}={}){
    let page = this.$store ? this : getCurrentPages().pop()
    uni.setNavigationBarTitle({ title: pageTitle || page.i18nText[page.$store.state.i18n.activeLang].tPageTitle })
    // #ifdef H5
    document.title = windowTitle || page.$store.getters['i18n/getAppName'] || page.appName // 必须放在 setNavigationBarTitle 之后，否则会被其覆盖掉。
    // #endif
    if (page.$store._mutations['i18n/setTabbar']) page.$store.commit('i18n/setTabbar') // 必须要在有 tab 的页面里重置才有效果
  },
  
  localeText(){
    let page = this.$store ? this : getCurrentPages().pop()
    return page.i18nText[page.$store.state.i18n.activeLang]
  },

  formatMoney(value, decimal){
    return Number(value).toFixed(decimal||2)
  },

  formatPercent(value, decimal){
    return `${Number(value*100).toFixed(decimal||2)}`
  },

  formatDate(date, format){
    if (!(date instanceof Date)){
      date = new Date(date)
    }
    if (!date.toJSON()) {
      date = new Date()
    }

    format = (format && typeof format==='string') 
      ? format 
      : 'yyyy-mm-dd HH:MM:SS'
    let o = {
      'm+': date.getMonth() + 1, //月份 
      'q+': Math.floor((date.getMonth() + 3) / 3), //季度 
      'd+': date.getDate(), //日 
      'H+': date.getHours(), //小时 
      'M+': date.getMinutes(), //分 
      'S+': date.getSeconds(), //秒 
      's': date.getMilliseconds() //毫秒 
    }
    if (/(y+)/.test(format)) 
      format = format.replace(RegExp.$1, (`${date.getFullYear()}`).substr(4 - RegExp.$1.length))
    for (var k in o){
      if (new RegExp(`(${k})`).test(format)) 
        format = format.replace(RegExp.$1, (RegExp.$1.length == 1) ? (o[k]) : ((`00${o[k]}`).substr((`${o[k]}`).length)))
    }
    return format
  },

  hash(data, {hasher='sha256', salt, input='utf8', output='hex'}={}){
    if (typeof(data)!=='string' && !(data instanceof Buffer) && !(data instanceof DataView)) 
      data=JSON.stringify(data)
    if (salt && typeof(salt)==='string')
      data=data+salt
    let inputEncoding=input // my.INPUT_LIST.indexOf(option.input)>=0?option.input:my.INPUT // 'utf8', 'ascii' or 'latin1' for string data, default to utf8 if not specified; ignored for Buffer, TypedArray, or DataView.
    let outputEncoding=(output==='buf')?undefined:output // (my.OUTPUT_LIST.indexOf(output)>=0?output:my.OUTPUT)  // option.output: 留空=》默认输出hex格式；或者手动指定 'buf', hex', 'latin1' or 'base64'
    return require('crypto').createHash(hasher).update(data, inputEncoding).digest(outputEncoding)
  },

}