// 时间戳转化: yy-mm-dd
export const dateTimeFormat = (datetime, isHms = false) => {
  if (!datetime) {
    return false
  }

  const t = new Date(datetime)
  const m = t.getMonth() + 1
  const d = t.getDate()

  const _mouth = m < 10 ? `0${m}` : m
  const _d = d < 10 ? `0${d}` : d

  const _h = t.getHours()
  const _mintius = t.getMinutes()
  const _seconds = t.getSeconds()

  const ymd = `${t.getFullYear()}-${_mouth}-${_d}`
  const ymdhms = `${t.getFullYear()}-${_mouth}-${_d} ${_h}-${_mintius}-${_seconds}`
  return isHms ? ymdhms : ymd
}


// 时间格式转化：[-  ->  /]
export const shortDateFormat = (datetime) => {
  if (!datetime) {
    return false
  }
  return datetime.replace(/-/g, '/')
}


// 检测机型
export const getNativeModel = () => {
  const ua = navigator.userAgent.toLowerCase()
  if (/(Android|Linux|agent_android)/i.test(ua)) {
    return 'android'
  }

  if (/(iPhone|iPad|iPod|iOS|agent_ios)/i.test(ua)) {
    return 'ios'
  }
}


// 检测微信打开
export const isOpenWithWeChat = () => {
  try {
    const native = getNativeModel()
    const ua = navigator.userAgent.toLowerCase()
    const wx = ua.indexOf('micromessenger') !== -1
    if (wx) {
      return {
        isWechat: true,
        nativeName: native
      }
    } else {
      return {
        isWechat: false,
        nativeName: native
      }
    }
  } catch (error) {
    console.log(error)
  }
}


// 获取url参数，微信授权code接收
export const getQueryString = (name) => {
  if (!name) {
    return false
  }

  const urlReg = new RegExp('(^|&)' + name + '=([^&]*)(&|$)', 'i')
  const urlList = window.location.search.substr(1).match(urlReg)
  return urlList != null ? unescape(urlList[2]) : null
}

// 字符截取返回指定长度
export const substrLengtNum = (subParam, begin, end) => {
  if (!subParam) {
    return false
  }

  return subParam.substr(begin, end)
}


// 身份证截取，出生年月日/年龄/性别 (奇数为男, 偶数为女)
export const sortIdentifyNo = (identifyNo) => {
  if (!identifyNo || identifyNo.length < 15) {
    return false
  }

  let year, month, date, birthday, age, gender
  if (identifyNo.length === 15) {
    year = '19' + substrLengtNum(identifyNo, 6, 2)
    month = substrLengtNum(identifyNo, 8, 2)
    date = substrLengtNum(identifyNo, 10, 2)
    birthday = dateTimeFormat(new Date(year, month - 1, date))
    age = new Date().getFullYear() - year
    gender = substrLengtNum(identifyNo, -1, 1)
    gender % 2 ? gender = '0' : gender = '1'
  } else if (identifyNo.length === 18) {
    year = substrLengtNum(identifyNo, 6, 4)
    month = substrLengtNum(identifyNo, 10, 2)
    date = substrLengtNum(identifyNo, 12, 2)
    birthday = dateTimeFormat(new Date(year, month - 1, date))
    age = new Date().getFullYear() - year
    gender = substrLengtNum(identifyNo, -2, 1)
    gender % 2 ? gender = '0' : gender = '1'
  }

  return { year, month, date, birthday, age, gender }
}


// 清空vuex-value
export const clearVuexValue = (state) => {
  try {
    if (!state) { return false }

    Object.keys(state).forEach(key => {
      if (typeof (state[key]) === 'object') {
        clearVuexValue(state[key])
      } else if (typeof (state[key]) === 'boolean') {
        state[key] = false
      } else if (Array.isArray(state[key])) {
        state[key] = []
      } else {
        state[key] = ''
      }
    })
  } catch (error) {
    console.log(error)
  }
}