<template>
  <el-form size="small">
    <el-form-item>
      <el-radio v-model='radioValue' :label="1">
        日，允许的通配符[, - * ? / L W]
      </el-radio>
    </el-form-item>

    <el-form-item>
      <el-radio v-model='radioValue' :label="2">
        不指定
      </el-radio>
    </el-form-item>

    <el-form-item>
      <el-radio v-model='radioValue' :label="3">
        周期从
        <el-input-number v-model='cycle01' :min="1" :max="30" /> -
        <el-input-number v-model='cycle02' :min="cycle01 ? cycle01 + 1 : 2" :max="31" />日
      </el-radio>
    </el-form-item>

    <el-form-item>
      <el-radio v-model='radioValue' :label="4">
        从
        <el-input-number v-model='average01' :min="1" :max="30" /> 号开始，每
        <el-input-number v-model='average02' :min="1" :max="31 - average01 || 1" />
        日执行一次
      </el-radio>
    </el-form-item>

    <el-form-item>
      <el-radio v-model='radioValue' :label="5">
        每月
        <el-input-number v-model='workday' :min="1" :max="31" /> 号最近的那个工作日
      </el-radio>
    </el-form-item>

    <el-form-item>
      <el-radio v-model='radioValue' :label="6">
        本月最后一天
      </el-radio>
    </el-form-item>

    <el-form-item>
      <el-radio v-model='radioValue' :label="7">
        指定
        <el-select 
          clearable 
          v-model="checkboxList" 
          placeholder="可多选"
          multiple 
          style="width:100%"
        >
          <el-option v-for="item in 31" :key="item" :value="item">{{ item }}</el-option>
        </el-select>
      </el-radio>
    </el-form-item>
  </el-form>
</template>

<script setup>
import { ref, computed, watch, getCurrentInstance } from 'vue'

// 定义组件名称
defineOptions({
  name: 'crontab-day'
})

// 定义props
const props = defineProps({
  check: {
    type: Function,
    required: true
  },
  cron: {
    type: Object,
    required: true
  }
})

// 定义emits
const emit = defineEmits(['update'])

// 获取实例
const { proxy } = getCurrentInstance()

// 数据定义
const radioValue = ref(1)
const workday = ref(1)
const cycle01 = ref(1)
const cycle02 = ref(2)
const average01 = ref(1)
const average02 = ref(1)
const checkboxList = ref([])

// 计算属性
// 计算两个周期值
const cycleTotal = computed(() => {
  const cycle01Val = props.check(cycle01.value, 1, 30)
  const cycle02Val = props.check(cycle02.value, cycle01Val ? cycle01Val + 1 : 2, 31, 31)
  return cycle01Val + '-' + cycle02Val
})

// 计算平均用到的值
const averageTotal = computed(() => {
  const average01Val = props.check(average01.value, 1, 30)
  const average02Val = props.check(average02.value, 1, 31 - average01Val || 0)
  return average01Val + '/' + average02Val
})

// 计算工作日格式
const workdayCheck = computed(() => {
  const workdayVal = props.check(workday.value, 1, 31)
  return workdayVal
})

// 计算勾选的checkbox值合集
const checkboxString = computed(() => {
  let str = checkboxList.value.join()
  return str == '' ? '*' : str
})

// 方法定义
// 单选按钮值变化时
const radioChange = () => {
  console.log('day rachange')
  if (radioValue.value !== 2 && props.cron.week !== '?') {
    emit('update', 'week', '?', 'day')
  }

  switch (radioValue.value) {
    case 1:
      emit('update', 'day', '*')
      break
    case 2:
      emit('update', 'day', '?')
      break
    case 3:
      emit('update', 'day', cycleTotal.value)
      break
    case 4:
      emit('update', 'day', averageTotal.value)
      break
    case 5:
      emit('update', 'day', workday.value + 'W')
      break
    case 6:
      emit('update', 'day', 'L')
      break
    case 7:
      emit('update', 'day', checkboxString.value)
      break
  }
  console.log('day rachange end')
}

// 周期两个值变化时
const cycleChange = () => {
  if (radioValue.value == '3') {
    emit('update', 'day', cycleTotal.value)
  }
}

// 平均两个值变化时
const averageChange = () => {
  if (radioValue.value == '4') {
    emit('update', 'day', averageTotal.value)
  }
}

// 最近工作日值变化时
const workdayChange = () => {
  if (radioValue.value == '5') {
    emit('update', 'day', workdayCheck.value + 'W')
  }
}

// checkbox值变化时
const checkboxChange = () => {
  if (radioValue.value == '7') {
    emit('update', 'day', checkboxString.value)
  }
}

// Watchers
watch(radioValue, radioChange)
watch(cycleTotal, cycleChange)
watch(averageTotal, averageChange)
watch(workdayCheck, workdayChange)
watch(checkboxString, checkboxChange)
</script>