/**
 * Created by jiachenpan on 16/11/18.
 */
import { getToken } from '@/utils/auth' // get token from cookie
//import { getBlob } from '@/utils/Blob' // get token from cookie
import qs from 'qs'
import config from '../../static/config'
import FileSaver from "file-saver";
import getBlob from '@/vendor/Export2Excel'

export function parseTime(time, cFormat) {
    if (arguments.length === 0) {
      return null
    }
    const format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}'
    let date
    if (typeof time === 'object') {
      date = time
    } else {
      if (('' + time).length === 10) time = parseInt(time) * 1000
      date = new Date(time)
    }
    const formatObj = {
      y: date.getFullYear(),
      m: date.getMonth() + 1,
      d: date.getDate(),
      h: date.getHours(),
      i: date.getMinutes(),
      s: date.getSeconds(),
      a: date.getDay()
    }
    const time_str = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {
      let value = formatObj[key]
      // Note: getDay() returns 0 on Sunday
      if (key === 'a') {
        return ['日', '一', '二', '三', '四', '五', '六'][value]
      }
      if (result.length > 0 && value < 10) {
        value = '0' + value
      }
      return value || 0
    })
    return time_str
  }
  
  export function formatTime(time, option) {
    time = +time * 1000
    const d = new Date(time)
    const now = Date.now()
  
    const diff = (now - d) / 1000
  
    if (diff < 30) {
      return '刚刚'
    } else if (diff < 3600) {
      // less 1 hour
      return Math.ceil(diff / 60) + '分钟前'
    } else if (diff < 3600 * 24) {
      return Math.ceil(diff / 3600) + '小时前'
    } else if (diff < 3600 * 24 * 2) {
      return '1天前'
    }
    if (option) {
      return parseTime(time, option)
    } else {
      return (
        d.getMonth() +
        1 +
        '月' +
        d.getDate() +
        '日' +
        d.getHours() +
        '时' +
        d.getMinutes() +
        '分'
      )
    }
  }
  
  export function isExternal(path) {
    return /^(https?:|mailto:|tel:)/.test(path)
  }
  
  /** 压缩文件
   * quality压缩百分比 0.3
   */
  export function compressImage(file, quality, callback) {
    // quality 设置为0.3
    quality = quality || 0.3
    const reader = new FileReader()
    reader.onload = function(event) {
      var result = event.target.result
      if (file.size > 204800 && file.type !== 'image/gif' && quality < 1) { // 大于200Kb
        const img = new Image()
        img.src = result
        img.onload = function() {
          // 如果图片大于四百万像素，计算压缩比并将大小压至400万以下
          var width = img.width
          var height = img.height
  
          var ratio
          if ((ratio = width * height / 4000000) > 1) {
            ratio = Math.sqrt(ratio)
            width /= ratio
            height /= ratio
          } else {
            ratio = 1
          }
          var canvas = document.createElement('canvas')
          canvas.width = width
          canvas.height = height
          // 铺底色
          var ctx = canvas.getContext('2d')
          ctx.fillStyle = '#fff'
          ctx.fillRect(0, 0, canvas.width, canvas.height)
          // 如果图片像素大于100万则使用瓦片绘制
          var count
          if ((count = width * height / 1000000) > 1) {
            count = ~~(Math.sqrt(count) + 1)
            // 计算要分成多少块瓦片
            // 计算每块瓦片的宽和高
            var nw = ~~(width / count)
            var nh = ~~(height / count)
            var tCanvas = document.createElement('canvas')
            tCanvas.width = nw
            tCanvas.height = nh
            for (var i = 0; i < count; i++) {
              for (var j = 0; j < count; j++) {
                var tctx = tCanvas.getContext('2d')
                tctx.drawImage(img, i * nw * ratio, j * nh * ratio, nw * ratio, nh * ratio, 0, 0, nw, nh)
  
                ctx.drawImage(tCanvas, i * nw, j * nh, nw, nh)
              }
            }
            tCanvas.width = tCanvas.height = 0
          } else {
            ctx.drawImage(img, 0, 0, width, height)
          }
          // 进行最小压缩
          var ndata = canvas.toDataURL('image/jpeg', quality)
          canvas.width = canvas.height = 0
          callback(ndata)
        }
      } else { // 小于200K不需要压缩 直接返回
        callback(result)
      }
    }
    reader.readAsDataURL(file)
  }
  
  /** 根据date URL 创建blob 用于上传 */
  export function createBlob(result) {
    var arr = result.split(',')
    var mime = arr[0].match(/:(.*?)/)[1]
    var bstr = atob(arr[1])
    var n = bstr.length
    var u8arr = new Uint8Array(n)
    while (n--) {
      u8arr[n] = bstr.charCodeAt(n)
    }
    return new Blob([u8arr], {
      type: mime
    })
  }
  
  /** 获取file大小的名称 */
  export function fileSize(size) {
    var size_int = size
    if (typeof size === 'string' && size.constructor == String) {
      size_int = parseInt(size)
    }
    var formatSize
    if (parseInt(size_int / 1024 / 1024) > 0) {
      formatSize = (size_int / 1024 / 1024).toFixed(2) + 'MB'
    } else if (parseInt(size_int / 1024) > 0) {
      formatSize = (size_int / 1024).toFixed(2) + 'kB'
    } else {
      formatSize = size_int + 'Byte'
    }
    return formatSize;
  }
  
  /** 获取最大 z-index 的值 */
  import {
    PopupManager
  } from 'element-ui/lib/utils/popup'
  export function getMaxIndex() {
    return PopupManager.nextZIndex()
  }
  
  /** 深拷贝 */
  export function objDeepCopy(source) {
    if (typeof source === 'object') {
      var sourceCopy = source instanceof Array ? [] : {}
      for (var item in source) {
        if (!source[item]) {
          sourceCopy[item] = source[item]
        } else {
          sourceCopy[item] = typeof source[item] === 'object' ? objDeepCopy(source[item]) : source[item]
        }
      }
      return sourceCopy
    }
    return source
  }
  
  /** 获取文件类型图标 */
  export function getFileTypeIcon(file) {alert(JSON.stringify(file))
    if (file.type.indexOf('image') !== -1) {
      return require('@/assets/img/file_img.png')
    } else if (file.type.indexOf('audio') !== -1 || file.type.indexOf('video') !== -1) {
      return require('@/assets/img/file_video.png')
    } else {
      var index = file.name.lastIndexOf('.')
      var ext = file.name.substr(index + 1)
      if (arrayContain(['xlsx', 'xls', 'XLSX', 'XLS'], ext)) {
        return require('@/assets/img/file_excle.png')
      } else if (arrayContain(['doc', 'docx', 'DOC', 'DOCX'], ext)) {
        return require('@/assets/img/file_word.png')
      } else if (arrayContain(['rar', 'zip'], ext)) {
        return require('@/assets/img/file_zip.png')
      } else if (ext === 'pdf') {
        return require('@/assets/img/file_pdf.png')
      } else if (ext === 'ppt' || ext === 'pptx') {
        return require('@/assets/img/file_ppt.png')
      } else if (arrayContain(['txt', 'text'], ext)) {
        return require('@/assets/img/file_txt.png')
      }
    }
    return require('@/assets/img/file_unknown.png')
  }
  
  export function getFileTypeIconWithSuffix(ext) {
    if (arrayContain(['jpg', 'png', 'gif'], ext)) {
      return require('@/assets/img/file_img.png')
    } else if (arrayContain(['mp4', 'mp3', 'avi'], ext)) {
      return require('@/assets/img/file_excle.png')
    } else if (arrayContain(['xlsx', 'xls', 'XLSX', 'XLS'], ext)) {
      return require('@/assets/img/file_excle.png')
    } else if (arrayContain(['doc', 'docx', 'DOC', 'DOCX'], ext)) {
      return require('@/assets/img/file_word.png')
    } else if (arrayContain(['rar', 'zip'], ext)) {
      return require('@/assets/img/file_zip.png')
    } else if (ext === 'pdf') {
      return require('@/assets/img/file_pdf.png')
    } else if (ext === 'ppt' || ext === 'pptx') {
      return require('@/assets/img/file_ppt.png')
    } else if (arrayContain(['txt', 'text'], ext)) {
      return require('@/assets/img/file_txt.png')
    }
    return require('@/assets/img/file_unknown.png')
  }
  
  function arrayContain(array, string) {
    return array.some((item) => {
      return item === string
    })
  }
  
  /** 判断输入的是number */
  export function regexIsNumber(nubmer) {
    var regex = /^[0-9]+.?[0-9]*/
    if (!regex.test(nubmer)) {
      return false
    }
    return true
  }
  
  /** 判断输入的是crm数字 数字的整数部分须少于12位，小数部分须少于4位*/
  export function regexIsCRMNumber(nubmer) {
    var regex = /^([-+]?\d{1,12})(\.\d{0,4})?$/
    if (!regex.test(nubmer)) {
      return false
    }
    return true
  }

  export function regexIsCRMNumber4(nubmer) {
    var regex = /^([-+]?\d{1,4})?$/
    if (!regex.test(nubmer)) {
      return false
    }
    return true
  }
  
  /** 判断输入的是货币 货币的整数部分须少于10位，小数部分须少于2位*/
  export function regexIsCRMMoneyNumber(nubmer) {
    var regex = /^([-+]?\d{1,10})(\.\d{0,2})?$/
    if (!regex.test(nubmer)) {
      return false
    }
    return true
  }
  
  /** 判断输入的是电话*/
  export function regexIsCRMMobile(mobile) {
    var regex = /^(\+?0?\d{2,4}\-?)?\d{6,11}$/
    if (!regex.test(mobile)) {
      return false
    }
    return true
  }
  
  /** 判断输入的是邮箱*/
  export function regexIsCRMEmail(email) {
    var regex = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/
    if (!regex.test(email)) {
      return false
    }
    return true
  }
  
  /**
   * 时间操作
   * @param
   */
  /** 时间戳转date*/
  import moment from 'moment'
  
  export function getDateFromTimestamp(time) {
    var times = 0
    if (time.length === 13) {
      times = parseInt(time)
    } else {
      times = parseInt(time) * 1000
    }
    return new Date(times) // 如果date为13位不需要乘1000
  }
  
  /**
   *
   * @param {*} timestamp 时间戳
   * @param {*} format 格式化
   */
  export function timestampToFormatTime(timestamp, format) {
    if (timestamp && timestamp.toString().length >= 10) {
      return moment(getDateFromTimestamp(timestamp.toString())).format(format)
    }
    return ''
  }
  /**
   *
   * @param {*} format 格式化字符串
   */
  export function formatTimeToTimestamp(format) {
    if (format && format.length > 0) {
      var timeValue = moment(format)
        .valueOf()
        .toString()
      return timeValue.length > 10 ? timeValue.substr(0, 10) : timeValue
    }
    return ''
  }

  /**
 * 下载文件调用
 * @param 接口返回数据 文件名
 */

  export function downloadFileReader(res, fileName) {alert(JSON.stringify(res.content)+fileName+"content")
  if (!res) {
    return
  }
  if (window.navigator.msSaveBlob) {  // IE以及IE内核的浏览器ArrayBuffer
    try {alert("ie")
      const dataInfo = res.content
      let reader = new window.FileReader()
      alert("readresult"+JSON.stringify(reader))
      // 使用readAsArrayBuffer读取文件, result属性中将包含一个 ArrayBuffer 对象以表示所读取文件的数据
      reader.readAsArrayBuffer(dataInfo);
      reader.onload = function (e) {
        const result = e.target.result; 
        const contentType = 'application/octet-stream'
       
        const blob = new Blob([result], { type: contentType })
        // 使用 Blob 创建一个指向类型化数组的URL, URL.createObjectURL是new Blob文件的方法,可以生成一个普通的url,可以直接使用,比如用在img.src上
        //const url = window.URL.createObjectURL(blob)
        var ie_fileName=fileName+"."+res.fileType;
        window.navigator.msSaveOrOpenBlob(blob,ie_fileName );  //此方法类似上面的方法，区别可自行百度
      }
      
    } catch (e) {
      console.log(e)
    }
  } else {//chrome/firefox浏览器
    var uInt8Array =  Uint8Array.from(res.content);
    let blob = new Blob([uInt8Array], {
      type: `application/msword` //word文档为msword,pdf文档为pdf
      });
    let url = window.URL.createObjectURL(blob)
    let link = document.createElement('a')
    link.style.display = 'none'
    link.href = url
    link.setAttribute('download', fileName)// 文件名
    document.body.appendChild(link)
    link.click()
    document.body.removeChild(link) // 下载完成移除元素
    window.URL.revokeObjectURL(url) // 释放掉blob对象
  }
}

export function downloadFileHttpRequest(apiurl,attachment){
  let baseURL =config.base.ip + ':' + config.base.backend_port

  function createObjectURL(object) { 
    return (window.URL) ? window.URL.createObjectURL(object) : window.webkitURL.createObjectURL(object); 
  }
  var xhr = new XMLHttpRequest();
  var formData = new FormData();
  xhr.open('get', baseURL + apiurl+ '/' + attachment.fileUrl,true);  //url填写后台的接口地址，如果是post，在formData append参数（参考原文地址）
  xhr.setRequestHeader("Authorization", 'Bearer ' + getToken());
  xhr.responseType = 'blob';
  xhr.onload = function (e) {
      if (this.status == 200) {alert("xmlhttp"+JSON.stringify(xhr.response))
          var blob = xhr.response
          var filename = attachment.fileName+"."+attachment.fileType;
          // console.log(this.response)
           if (window.navigator.msSaveOrOpenBlob) {
              navigator.msSaveBlob(blob,filename);
          } else {
            var a = document.createElement('a');
           var url = createObjectURL(blob);
           a.href = url;
           a.download = filename;
           document.body.appendChild(a);
           a.click();
           window.URL.revokeObjectURL(url);
          }
      }
  };
  xhr.send(formData);
}

export function downloadFile(res, fileName) {
  if (!res) {
    return
  }
      import("@/vendor/Export2Excel").then((excel) => {
        FileSaver.saveAs(new Blob([res], {
          //type:'application/msword'
          type: 'application/octet-stream;charset=utf-8'
        }), fileName)
      });
}

export function downloadFileV1(res, fileName) {
    if (!res) {
      return
    }
    if (window.navigator.msSaveBlob) {  // IE以及IE内核的浏览器ArrayBuffer
      try {alert("ie")
        ////方法一
        // ArrayBuffer 对象用来表示通用的、固定长度的原始二进制数据缓冲区
        // let arrayBuffer = new ArrayBuffer(res.content.length) // 创建缓冲数组
        // let uIntArray = new Uint8Array(arrayBuffer) // 创建视图

        ////方法二
        //let uIntArray = Uint8Array.from(res.content);alert(uIntArray)

        //方法三
        // let uintArr = new Uint8Array(res.content.length) // 创建视图
        // for (let i = 0; i < res.content.length; i++) {
        //   uintArr[i] = res.content.charCodeAt(i)
        // }
        //方法四
        import("@/vendor/Export2Excel").then((excel) => {
          //var ie_fileName=fileName+"."+res.fileType;
          //var blob=excel.s2ab(res);
          FileSaver.saveAs(new Blob([res], {
            //type:'application/msword'
            type: 'application/octet-stream'
          }), fileName)
        });


        // alert("uintArr:"+JSON.stringify(uintArr))
        // var blob = new Blob([uintArr], {
        //    //type: 'application/vnd.openxmlformats-officedocument.wordprocessingml.document;charset=utf-8'
        //    type: 'application/octet-stream'
        //    //type:'application/msword'
        // })
        // var ie_fileName=fileName+"."+res.fileType;
        // // alert(JSON.stringify(blob))
        // window.navigator.msSaveOrOpenBlob(blob,ie_fileName );  
      } catch (e) {
        console.log(e)
      }
    } else {//chrome/firefox浏览器
      // var uInt8Array =  Uint8Array.from(res.content);
      // let blob = new Blob([uInt8Array], {
      //   type: 'application/msword' //word文档为msword,pdf文档为pdf
      //   });

      ////方法一
        // ArrayBuffer 对象用来表示通用的、固定长度的原始二进制数据缓冲区
        let arrayBuffer = new ArrayBuffer(res.content.length) // 创建缓冲数组
        let uIntArray = new Uint8Array(arrayBuffer) // 创建视图

       ////方法二 
      // let uintArr = new Uint8Array(res.content.length) // 创建视图
      // for (let i = 0; i < res.content.length; i++) {
      //   uintArr[i] = res.content.charCodeAt(i)
      // }

      alert("uintArr:"+JSON.stringify(uIntArray))
      var blob = new Blob(uIntArray, {
         //type: 'application/vnd.openxmlformats-officedocument.wordprocessingml.document;charset=utf-8'
         type: 'application/octet-stream' //word文档为msword,pdf文档为pdf
         //type:'application/msword'
      })
      var ie_fileName=fileName+"."+res.fileType;
      let url = window.URL.createObjectURL(blob)
      let link = document.createElement('a')
      link.style.display = 'none'
      link.href = url
      link.setAttribute('download', ie_fileName)// 文件名
      document.body.appendChild(link)
      link.click()
      document.body.removeChild(link) // 下载完成移除元素
      window.URL.revokeObjectURL(url) // 释放掉blob对象
    }
}

  
  /** image 下载 */
  /**
   *
   * @param {*} data url
   * @param {*} filename 名称
   */
  export function downloadImage(data, filename) {//alert(data+filename+"img")
    var httpindex = data.indexOf('http')
    if (httpindex === 0) {alert("if")
      const image = new Image()
      // 解决跨域 canvas 污染问题
      image.setAttribute('crossOrigin', 'anonymous')
      image.onload = function() {
        const canvas = document.createElement('canvas')
        canvas.width = image.width
        canvas.height = image.height
        const context = canvas.getContext('2d')
        context.drawImage(image, 0, 0, image.width, image.height)
        const dataURL = canvas.toDataURL('image/png')
        // 生成一个 a 标签
        const a = document.createElement('a')
        // 创建一个点击事件
        const event = new MouseEvent('click')
        // 将 a 的 download 属性设置为我们想要下载的图片的名称，若 name 不存在则使用'图片'作为默认名称
        a.download = filename || '图片'
        // 将生成的 URL 设置为 a.href 属性
        var blob = dataURLtoBlob(dataURL)
        a.href = URL.createObjectURL(blob)
        // 触发 a 的点击事件
        a.dispatchEvent(event)
      }
      image.src = data
    } else {alert("else-img")
      // 生成一个 a 标签
      const a = document.createElement('a')
      // 创建一个点击事件
      const event = new MouseEvent('click')
      // 将 a 的 download 属性设置为我们想要下载的图片的名称，若 name 不存在则使用'图片'作为默认名称
      a.download = filename || '图片'
      // 将生成的 URL 设置为 a.href 属性
      //a.href =require("D:/file/139A26CB-FD23-8830-C633-19F6063E8161.jpg");
      a.href = data
      // 触发 a 的点击事件
      a.dispatchEvent(event)
    }
  }

  /**
 * path  和 name
 */
export function downloadFile2(data) {
  var a = document.createElement('a')
  a.href = data.path
  a.download = data.name ? data.name : '文件'
  a.target = '_black'
  document.body.appendChild(a)
  a.click()
  document.body.removeChild(a)
}


  export function dataURLtoBlob(dataurl) {
    // eslint-disable-next-line one-var
    var arr = dataurl.split(','),
      mime = arr[0].match(/:(.*?);/)[1],
      bstr = atob(arr[1]),
      n = bstr.length,
      u8arr = new Uint8Array(n)
    while (n--) {
      u8arr[n] = bstr.charCodeAt(n)
    }
    return new Blob([u8arr], {
      type: mime
    })
  }
  
  export function getBase64Image(img) {
    var canvas = document.createElement('canvas')
    canvas.width = img.width
    canvas.height = img.height
    var ctx = canvas.getContext('2d')
    ctx.drawImage(img, 0, 0, img.width, img.height)
    var ext = img.src.substring(img.src.lastIndexOf('.') + 1).toLowerCase()
    var dataURL = canvas.toDataURL('image/' + ext)
    return dataURL
  }
  
  // 获取绑定参数
  export function guid() {
    function S4() {
      return (((1 + Math.random()) * 0x10000) | 0).toString(16).substring(1)
    }
    return (S4() + S4() + S4() + S4() + S4() + S4() + S4() + S4())
  }
  
  /**
   * 金额格式化 增加千分符
   * @param {*} val
   */
  export function moneyFormat(val) {
    if (!val) return '0.00'
    const i = Math.floor(val)
    const d = val.split('.')[1] || '00'
    return i.toLocaleString('en-US') + '.' + d
  }
  
  /**
   * 下载excel
   */
  export function downloadExcelWithResData(res) {
    let fileName = res.headers['content-disposition'].split('filename=')[1]
    if (!fileName) {
      fileName = res.headers['content-disposition'].split('UTF-8\'\'')[1]
    }
    fileName = fileName ? fileName.replace(/\"/g, '') : 'file.xlsx'
    fileName = decodeURI(fileName) || ''
    downloadFileWithBuffer(res.data, fileName, 'application/vnd.ms-excel;charset=utf-8')
  }
  
  export function downloadFileWithBuffer(data, name, type) {
    var blob = new Blob([data], {
      type: type || ''
    })
    var downloadElement = document.createElement('a')
    var href = window.URL.createObjectURL(blob) // 创建下载的链接
    downloadElement.href = href
    downloadElement.download = name // 下载后文件名
    document.body.appendChild(downloadElement)
    downloadElement.click() // 点击下载
    document.body.removeChild(downloadElement) // 下载完成移除元素
    window.URL.revokeObjectURL(href) // 释放掉blob对象
  }