import axios from 'axios'

/**
 * 数据补全方法：将数据b的value值合并到数据a的对应key中
 * @param {Array} dataA 标准数据（需补全的原始数据）
 * @param {Array} dataB 待合并数据（提供补全值的数据）
 * @returns {Array} 补全后的数据
 */
export function mergeData(dataA, dataB) {
  // 深拷贝原始数据避免污染‌:ml-citation{ref="1" data="citationList"}
  const mergedData = JSON.parse(JSON.stringify(dataA))

  // 遍历数据a，根据key匹配数据b并补全value‌:ml-citation{ref="4" data="citationList"}
  mergedData.forEach(itemA => {
    const matchedItemB = dataB.find(itemB => itemB.key === itemA.key)
    if (matchedItemB) {
      itemA.value = matchedItemB.value // 合并value
      itemA.alt = matchedItemB.alt || itemA.alt // 可选：合并其他字段如alt
    }
  })

  return mergedData
}

/**
 * Created by PanJiaChen on 16/11/18.
 */

/**
 * Parse the time to string
 * @param {(Object|string|number)} time
 * @param {string} cFormat
 * @returns {string | null}
 */
export function parseTime(time, cFormat) {
  if (arguments.length === 0 || !time) {
    return null
  }
  const format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}'
  let date
  if (typeof time === 'object') {
    date = time
  } else {
    if ((typeof time === 'string')) {
      if ((/^[0-9]+$/.test(time))) {
        // support "1548221490638"
        time = parseInt(time)
      } else {
        // support safari
        // https://stackoverflow.com/questions/4310953/invalid-date-in-safari
        time = time.replace(new RegExp(/-/gm), '/')
      }
    }

    if ((typeof time === 'number') && (time.toString().length === 10)) {
      time = 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(/{([ymdhisa])+}/g, (result, key) => {
    const value = formatObj[key]
    // Note: getDay() returns 0 on Sunday
    if (key === 'a') {
      return ['日', '一', '二', '三', '四', '五', '六'][value]
    }
    return value.toString().padStart(2, '0')
  })
  return time_str
}

/**
 * @param {number} time
 * @param {string} option
 * @returns {string}
 */
export function formatTime(time, option) {
  if (('' + time).length === 10) {
    time = parseInt(time) * 1000
  } else {
    time = +time
  }
  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'
    )
  }
}

/**
 * @param {string} url
 * @returns {Object}
 */
export function getQueryObject(url) {
  url = url == null ? window.location.href : url
  const search = url.substring(url.lastIndexOf('?') + 1)
  const obj = {}
  const reg = /([^?&=]+)=([^?&=]*)/g
  search.replace(reg, (rs, $1, $2) => {
    const name = decodeURIComponent($1)
    let val = decodeURIComponent($2)
    val = String(val)
    obj[name] = val
    return rs
  })
  return obj
}

/**
 * @param {string} input value
 * @returns {number} output value
 */
export function byteLength(str) {
  // returns the byte length of an utf8 string
  let s = str.length
  for (var i = str.length - 1; i >= 0; i--) {
    const code = str.charCodeAt(i)
    if (code > 0x7f && code <= 0x7ff) {
      s++
    } else if (code > 0x7ff && code <= 0xffff) s += 2
    if (code >= 0xDC00 && code <= 0xDFFF) i--
  }
  return s
}

/**
 * @param {Array} actual
 * @returns {Array}
 */
export function cleanArray(actual) {
  const newArray = []
  for (let i = 0; i < actual.length; i++) {
    if (actual[i]) {
      newArray.push(actual[i])
    }
  }
  return newArray
}

/**
 * @param {Object} json
 * @returns {Array}
 */
export function param(json) {
  if (!json) return ''
  return cleanArray(
    Object.keys(json).map(key => {
      if (json[key] === undefined) return ''
      return encodeURIComponent(key) + '=' + encodeURIComponent(json[key])
    })
  ).join('&')
}

/**
 * @param {string} url
 * @returns {Object}
 */
export function param2Obj(url) {
  const search = decodeURIComponent(url.split('?')[1]).replace(/\+/g, ' ')
  if (!search) {
    return {}
  }
  const obj = {}
  const searchArr = search.split('&')
  searchArr.forEach(v => {
    const index = v.indexOf('=')
    if (index !== -1) {
      const name = v.substring(0, index)
      const val = v.substring(index + 1, v.length)
      obj[name] = val
    }
  })
  return obj
}

/**
 * @param {string} val
 * @returns {string}
 */
export function html2Text(val) {
  const div = document.createElement('div')
  div.innerHTML = val
  return div.textContent || div.innerText
}

/**
 * Merges two objects, giving the last one precedence
 * @param {Object} target
 * @param {(Object|Array)} source
 * @returns {Object}
 */
export function objectMerge(target, source) {
  if (typeof target !== 'object') {
    target = {}
  }
  if (Array.isArray(source)) {
    return source.slice()
  }
  Object.keys(source).forEach(property => {
    const sourceProperty = source[property]
    if (typeof sourceProperty === 'object') {
      target[property] = objectMerge(target[property], sourceProperty)
    } else {
      target[property] = sourceProperty
    }
  })
  return target
}

/**
 * @param {HTMLElement} element
 * @param {string} className
 */
export function toggleClass(element, className) {
  if (!element || !className) {
    return
  }
  let classString = element.className
  const nameIndex = classString.indexOf(className)
  if (nameIndex === -1) {
    classString += '' + className
  } else {
    classString =
      classString.substr(0, nameIndex) +
      classString.substr(nameIndex + className.length)
  }
  element.className = classString
}

/**
 * @param {string} type
 * @returns {Date}
 */
export function getTime(type) {
  if (type === 'start') {
    return new Date().getTime() - 3600 * 1000 * 24 * 90
  } else {
    return new Date(new Date().toDateString())
  }
}

/**
 * @param {Function} func
 * @param {number} wait
 * @param {boolean} immediate
 * @return {*}
 */
export function debounce(func, wait, immediate) {
  let timeout, args, context, timestamp, result

  const later = function() {
    // 据上一次触发时间间隔
    const last = +new Date() - timestamp

    // 上次被包装函数被调用时间间隔 last 小于设定时间间隔 wait
    if (last < wait && last > 0) {
      timeout = setTimeout(later, wait - last)
    } else {
      timeout = null
      // 如果设定为immediate===true，因为开始边界已经调用过了此处无需调用
      if (!immediate) {
        result = func.apply(context, args)
        if (!timeout) context = args = null
      }
    }
  }

  return function(...args) {
    context = this
    timestamp = +new Date()
    const callNow = immediate && !timeout
    // 如果延时不存在，重新设定延时
    if (!timeout) timeout = setTimeout(later, wait)
    if (callNow) {
      result = func.apply(context, args)
      context = args = null
    }

    return result
  }
}

/**
 * This is just a simple version of deep copy
 * Has a lot of edge cases bug
 * If you want to use a perfect deep copy, use lodash's _.cloneDeep
 * @param {Object} source
 * @returns {Object}
 */
export function deepClone(source) {
  if (!source && typeof source !== 'object') {
    throw new Error('error arguments', 'deepClone')
  }
  const targetObj = source.constructor === Array ? [] : {}
  Object.keys(source).forEach(keys => {
    if (source[keys] && typeof source[keys] === 'object') {
      targetObj[keys] = deepClone(source[keys])
    } else {
      targetObj[keys] = source[keys]
    }
  })
  return targetObj
}

/**
 * @param {Array} arr
 * @returns {Array}
 */
export function uniqueArr(arr) {
  return Array.from(new Set(arr))
}

/**
 * @returns {string}
 */
export function createUniqueString() {
  const timestamp = +new Date() + ''
  const randomNum = parseInt((1 + Math.random()) * 65536) + ''
  return (+(randomNum + timestamp)).toString(32)
}

/**
 * Check if an element has a class
 * @param {HTMLElement} elm
 * @param {string} cls
 * @returns {boolean}
 */
export function hasClass(ele, cls) {
  return !!ele.className.match(new RegExp('(\\s|^)' + cls + '(\\s|$)'))
}

/**
 * Add class to element
 * @param {HTMLElement} elm
 * @param {string} cls
 */
export function addClass(ele, cls) {
  if (!hasClass(ele, cls)) ele.className += ' ' + cls
}

/**
 * Remove class from element
 * @param {HTMLElement} elm
 * @param {string} cls
 */
export function removeClass(ele, cls) {
  if (hasClass(ele, cls)) {
    const reg = new RegExp('(\\s|^)' + cls + '(\\s|$)')
    ele.className = ele.className.replace(reg, ' ')
  }
}

/**
 * 引入dateFormat的处理
 */
export function dateFormat(time, format) {
  format = format || 'Y-m-d H:i'
  var data = new Date(time)
  var o = {
    'm+': prefixInteger(data.getMonth() + 1, 2), // 月份
    'd+': prefixInteger(data.getDate(), 2), // 日
    'H+': prefixInteger(data.getHours(), 2), // 小时
    'i+': prefixInteger(data.getMinutes(), 2), // 分
    's+': prefixInteger(data.getSeconds(), 2), // 秒
    'q+': Math.floor((data.getMonth() + 3) / 3), // 季度
    'S': prefixInteger(data.getMilliseconds(), 3) // 毫秒
  }
  if (/(Y+)/.test(format)) {
    format = format.replace(RegExp.$1, (data.getFullYear() + ''))
  }
  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
}

/**
 * 自动补零
 * @param num
 * @param length
 * @returns {string}
 * @constructor
 */
function prefixInteger(num, length) {
  return (Array(length).join('0') + num).slice(-length)
}

/**
 * 获取语言
 * @returns string
 */
export function getLanguage() {
  const defLanguage = 'zh-cn'
  let language = localStorage.getItem('trtc-tuiPusher-language') || getUrlParam('lang') || defLanguage
  language = language.replace(/_/, '-').toLowerCase()
  if (language === 'zh-cn' || language === 'zh') {
    language = 'zh-cn'
  } else if (language === 'en' || language === 'en-us' || language === 'en-gb') {
    language = 'en-us'
  }
  return language
}

/**
 * 从 window.location.href 中获取指定key的value
 * @param {*} key 要获取的 key
 * @returns window.location.href 中指定key对应的value
 * @example
 * const value = getUrlParam(key);
 */
export function getUrlParam(key) {
  const url = window.location.href.replace(/^[^?]*\?/, '')
  const regexp = new RegExp(`(^|&)${key}=([^&#]*)(&|$|)`, 'i')
  const paramMatch = url.match(regexp)

  return paramMatch ? paramMatch[2] : null
}

export function copyValue(val, callback) {
  const input = document.createElement('input')
  input.setAttribute('readonly', 'readonly') // 设置为只读, 防止在 ios 下拉起键盘
  // input.setAttribute('value', value); // textarea 不能用此方式赋值, 否则无法复制内容
  input.value = val
  document.body.appendChild(input)
  input.setSelectionRange(0, 9999) // 防止 ios 下没有全选内容而无法复制
  input.select()
  document.execCommand('copy')
  document.body.removeChild(input)
  if (callback) {
    callback()
  }
}

/**
 * 返回不合法的head内的标签
 * @param text
 * @returns {string}
 */
export function getInvalidHeadTags(text) {
  const validTags = new RegExp('title|meta|base|style|script|noscript|link', 'i')
  const pattern = new RegExp('<[^>]+>', 'ig')
  const complain = new RegExp('<!--[^>]*>', 'ig')
  let tagArr = []
  let boolValidTag = -1
  let boolComplain = -1
  if (text) {
    tagArr = text.match(pattern)
    if (!tagArr) {
      return text
    }
    if (tagArr.length > 0) {
      const newArr = []
      for (const i in tagArr) {
        boolValidTag = tagArr[i].search(validTags)
        boolComplain = tagArr[i].search(complain)
        if (boolValidTag === -1 && boolComplain === -1) {
          newArr.push(tagArr[i])
        }
      }
      tagArr = newArr
    }
  }
  return tagArr.join('')
}

export function uploadFileData(input, callback) {
  if (input) {
    if (!input.hasAttribute('data-change-listener')) {
      input.setAttribute('data-change-listener', 'true')
      input.addEventListener('change', (e) => {
        let file = ''
        if (e.target.files && e.target.files[0]) {
          file = e.target.files[0]
        }
        const max_size = 1048576 * 20
        if (file.size > max_size) {
          return false
        }
        if (callback) {
          callback(file)
        }
      })
    }
  }
}

export async function getAiToken(callback) {
  await axios.post('https://apiv2-cn.matchexpo.cn/admin/admin-login', {
    password: 'Yj1132192460!',
    user_name: 'yanjian1'
  }).then(res => {
    if (res.data.token) {
      if (callback) {
        callback(res.data.token)
      }
      return res.data.token
    }
  })
}

export async function translateText(content, translate_lang, token, callback) {
  if (typeof content === 'string' && !(content.replace(/\s/g, ''))) {
    return ''
  }
  await axios.post('https://apiv2-cn.matchexpo.cn/admin/translate/content', {
    'content': content,
    'language': [translate_lang],
    'prompte': '请将内容翻译为' + translate_lang
  }, {
    headers: {
      token: token
    }
  }).then(async res => {
    if (typeof content === 'string') {
      let text = res.data[translate_lang].replace('[', '')
      text = text.replace(']', '')
      await callback(text)
    } else {
      await callback(res.data[translate_lang])
    }
  })
}

export async function translateContent(content, item, translate_lang, token) {
  const parser = new DOMParser()
  const doc = parser.parseFromString(content, 'text/html')
  // 解析为html节点
  await traverse(doc.body)
  item.value = doc.body.innerHTML

  async function traverse(node) {
    if (node.nodeType === Node.TEXT_NODE) {
      const originalText = node.textContent
      // originalText 为文本节点内容，下面执行你的方法
      await translateText(originalText, translate_lang, token, (text) => {
        node.textContent = text
      })
    } else {
      for (const child of node.childNodes) {
        await traverse(child)
      }
    }
  }
}
