import store from '../vuex/store'

/**
 * 弹出框
 */
export const Dialog = (str) => {
  store.dispatch('showAlert', true)
  store.dispatch('alertMsg', str)
  // setTimeout(() => {
  //   store.dispatch('showAlert', false)
  // }, 30000)
}

/**
 * 提示框
 */
export const toast = (str) => {
  store.dispatch('showToast', true)
  store.dispatch('toastMsg', str)
  setTimeout(() => {
    store.dispatch('showToast', false)
  }, 5000)
}

/**
 * 存储localStorage
 */
export const setStore = (name, content) => {
  if (!name) return
  if (typeof content !== 'string') {
    content = JSON.stringify(content)
  }
  window.localStorage.setItem(name, content)
}

/**
 * 获取localStorage
 */
export const getStore = name => {
  if (!name) return
  return window.localStorage.getItem(name)
}

/**
 * 获取style样式
 */
export const getStyle = (element, attr, NumberMode = 'int') => {
  let target
  // scrollTop 获取方式不同，没有它不属于style，而且只有document.body才能用
  if (attr === 'scrollTop') {
    target = element.scrollTop
  } else if (element.currentStyle) {
    target = element.currentStyle[attr]
  } else {
    target = document.defaultView.getComputedStyle(element, null)[attr]
  }
  // 在获取 opactiy 时需要获取小数 parseFloat
  return NumberMode === 'float' ? parseFloat(target) : parseInt(target)
}

/**
 * 小数加法
 */
export const accAdd = (arg1, arg2) => {
  var r1, r2, m, c
  try {
    r1 = arg1.toString().split('.')[1].length
  } catch (e) {
    r1 = 0
  }
  try {
    r2 = arg2.toString().split('.')[1].length
  } catch (e) {
    r2 = 0
  }
  c = Math.abs(r1 - r2)
  m = Math.pow(10, Math.max(r1, r2))
  if (c > 0) {
    var cm = Math.pow(10, c)
    if (r1 > r2) {
      arg1 = Number(arg1.toString().replace('.', ''))
      arg2 = Number(arg2.toString().replace('.', '')) * cm
    } else {
      arg1 = Number(arg1.toString().replace('.', '')) * cm
      arg2 = Number(arg2.toString().replace('.', ''))
    }
  } else {
    arg1 = Number(arg1.toString().replace('.', ''))
    arg2 = Number(arg2.toString().replace('.', ''))
  }
  return (arg1 + arg2) / m
}

/**
 * 小数减法
 */
export const accSubtract = (arg1, arg2) => {
  var r1, r2, m, c
  try {
    r1 = arg1.toString().split('.')[1].length
  } catch (e) {
    r1 = 0
  }
  try {
    r2 = arg2.toString().split('.')[1].length
  } catch (e) {
    r2 = 0
  }
  c = Math.abs(r1 - r2)
  m = Math.pow(10, Math.max(r1, r2))
  if (c > 0) {
    var cm = Math.pow(10, c)
    if (r1 > r2) {
      arg1 = Number(arg1.toString().replace('.', ''))
      arg2 = Number(arg2.toString().replace('.', '')) * cm
    } else {
      arg1 = Number(arg1.toString().replace('.', '')) * cm
      arg2 = Number(arg2.toString().replace('.', ''))
    }
  } else {
    arg1 = Number(arg1.toString().replace('.', ''))
    arg2 = Number(arg2.toString().replace('.', ''))
  }
  return (arg1 - arg2) / m
}

/**
 * 小数乘法
 */
export const accMul = (arg1, arg2) => {
  var m = 0
  var s1 = arg1.toString()
  var s2 = arg2.toString()
  try { m += s1.split('.')[1].length } catch (e) {}
  try { m += s2.split('.')[1].length } catch (e) {}
  return Number(s1.replace('.', '')) * Number(s2.replace('.', '')) / Math.pow(10, m)
}