<script setup lang="ts">
import {
  computed,
  defineEmits,
  defineExpose,
  defineProps,
  nextTick,
  onMounted,
  ref,
  watch,
} from 'vue';

import CrontabDay from './day.vue';
import CrontabHour from './hour.vue';
import CrontabMin from './min.vue';
import CrontabMonth from './month.vue';
import CrontabResult from './result.vue';
import CrontabSecond from './second.vue';
import CrontabWeek from './week.vue';
import CrontabYear from './year.vue';

const props = defineProps({
  hideComponent: {
    type: Array,
    default: () => [],
  },
  expression: {
    type: String,
    default: '',
  },
});
const emit = defineEmits(['hide', 'fill']);
const tabTitles = ref(['秒', '分钟', '小时', '日', '月', '周', '年']);
const hideComponentRef = ref([]);
const expressionRef = ref('');
const crontabValueObj = ref<any>({
  second: '*',
  min: '*',
  hour: '*',
  day: '*',
  month: '*',
  week: '?',
  year: '',
});
const crontabValueString = computed(() => {
  const obj = crontabValueObj.value;
  return `${obj.second} ${obj.min} ${obj.hour} ${obj.day} ${obj.month} ${obj.week}${obj.year === '' ? '' : ` ${obj.year}`}`;
});
watch(expressionRef, () => {
  resolveExp();
});
function shouldHide(key) {
  return !(hideComponentRef.value && hideComponentRef.value.includes(key));
}
function resolveExp() {
  // 反解析 表达式
  if (expressionRef.value) {
    const arr = expressionRef.value.split(/\s+/);
    if (arr.length >= 6) {
      // 一定要在dom下次更新中赋值，不然year组件会把year属性的值置空。！！！
      nextTick(() => {
        crontabValueObj.value.second = arr[0];
        crontabValueObj.value.min = arr[1];
        crontabValueObj.value.hour = arr[2];
        crontabValueObj.value.day = arr[3];
        crontabValueObj.value.month = arr[4];
        crontabValueObj.value.week = arr[5];
        if (arr.length >= 7) {
          crontabValueObj.value.year = arr[6];
        }
      });
    }
  } else {
    // 没有传入的表达式 则还原
    clearCron();
  }
}
// 由子组件触发，更改表达式组成的字段值
function updateCrontabValue(name, value) {
  crontabValueObj.value[name] = value;
}
// 表单选项的子组件校验数字格式（通过-props传递）
function checkNumber(value, minLimit, maxLimit) {
  // 检查必须为整数
  value = Math.floor(value);
  if (value < minLimit) {
    value = minLimit;
  } else if (value > maxLimit) {
    value = maxLimit;
  }
  return value;
}
// 隐藏弹窗
function hidePopup() {
  emit('hide');
}
// 填充表达式
function submitFill() {
  emit('fill', crontabValueString.value);
  hidePopup();
}
function clearCron() {
  // 还原选择项
  crontabValueObj.value = {
    second: '*',
    min: '*',
    hour: '*',
    day: '*',
    month: '*',
    week: '?',
    year: '',
  };
}
onMounted(() => {
  expressionRef.value = props.expression;
  hideComponentRef.value = props.hideComponent;
});
// 暴漏方法
defineExpose({ submitFill, clearCron });
</script>

<template>
  <div>
    <el-tabs type="border-card">
      <el-tab-pane label="秒" v-if="shouldHide('second')">
        <CrontabSecond
          @update="updateCrontabValue"
          :check="checkNumber"
          :cron="crontabValueObj"
        />
      </el-tab-pane>

      <el-tab-pane label="分钟" v-if="shouldHide('min')">
        <CrontabMin
          @update="updateCrontabValue"
          :check="checkNumber"
          :cron="crontabValueObj"
        />
      </el-tab-pane>

      <el-tab-pane label="小时" v-if="shouldHide('hour')">
        <CrontabHour
          @update="updateCrontabValue"
          :check="checkNumber"
          :cron="crontabValueObj"
        />
      </el-tab-pane>

      <el-tab-pane label="日" v-if="shouldHide('day')">
        <CrontabDay
          @update="updateCrontabValue"
          :check="checkNumber"
          :cron="crontabValueObj"
        />
      </el-tab-pane>

      <el-tab-pane label="月" v-if="shouldHide('month')">
        <CrontabMonth
          @update="updateCrontabValue"
          :check="checkNumber"
          :cron="crontabValueObj"
        />
      </el-tab-pane>

      <el-tab-pane label="周" v-if="shouldHide('week')">
        <CrontabWeek
          @update="updateCrontabValue"
          :check="checkNumber"
          :cron="crontabValueObj"
        />
      </el-tab-pane>

      <el-tab-pane label="年" v-if="shouldHide('year')">
        <CrontabYear
          @update="updateCrontabValue"
          :check="checkNumber"
          :cron="crontabValueObj"
        />
      </el-tab-pane>
    </el-tabs>

    <div class="popup-main">
      <div class="popup-result">
        <p class="title">时间表达式</p>
        <table>
          <thead>
            <th v-for="item of tabTitles" :key="item">{{ item }}</th>
            <th>Cron 表达式</th>
          </thead>
          <tbody>
            <td>
              <span v-if="crontabValueObj.second.length < 10">{{
                crontabValueObj.second
              }}</span>
              <el-tooltip
                v-else
                :content="crontabValueObj.second"
                placement="top"
              >
                <span>{{ crontabValueObj.second }}</span>
              </el-tooltip>
            </td>
            <td>
              <span v-if="crontabValueObj.min.length < 10">{{
                crontabValueObj.min
              }}</span>
              <el-tooltip v-else :content="crontabValueObj.min" placement="top">
                <span>{{ crontabValueObj.min }}</span>
              </el-tooltip>
            </td>
            <td>
              <span v-if="crontabValueObj.hour.length < 10">{{
                crontabValueObj.hour
              }}</span>
              <el-tooltip
                v-else
                :content="crontabValueObj.hour"
                placement="top"
              >
                <span>{{ crontabValueObj.hour }}</span>
              </el-tooltip>
            </td>
            <td>
              <span v-if="crontabValueObj.day.length < 10">{{
                crontabValueObj.day
              }}</span>
              <el-tooltip v-else :content="crontabValueObj.day" placement="top">
                <span>{{ crontabValueObj.day }}</span>
              </el-tooltip>
            </td>
            <td>
              <span v-if="crontabValueObj.month.length < 10">{{
                crontabValueObj.month
              }}</span>
              <el-tooltip
                v-else
                :content="crontabValueObj.month"
                placement="top"
              >
                <span>{{ crontabValueObj.month }}</span>
              </el-tooltip>
            </td>
            <td>
              <span v-if="crontabValueObj.week.length < 10">{{
                crontabValueObj.week
              }}</span>
              <el-tooltip
                v-else
                :content="crontabValueObj.week"
                placement="top"
              >
                <span>{{ crontabValueObj.week }}</span>
              </el-tooltip>
            </td>
            <td>
              <span v-if="crontabValueObj.year.length < 10">{{
                crontabValueObj.year
              }}</span>
              <el-tooltip
                v-else
                :content="crontabValueObj.year"
                placement="top"
              >
                <span>{{ crontabValueObj.year }}</span>
              </el-tooltip>
            </td>
            <td class="result">
              <span v-if="crontabValueString.length < 90">{{
                crontabValueString
              }}</span>
              <el-tooltip v-else :content="crontabValueString" placement="top">
                <span>{{ crontabValueString }}</span>
              </el-tooltip>
            </td>
          </tbody>
        </table>
      </div>
      <CrontabResult :ex="crontabValueString" />
    </div>
  </div>
</template>

<style lang="scss" scoped>
.popup-main {
  position: relative;
  margin: 10px auto;
  overflow: hidden;
  font-size: 12px;
  border-radius: 5px;
}

.popup-title {
  padding-top: 6px;
  overflow: hidden;
  line-height: 34px;
  background: #f2f2f2;
}

.popup-result {
  position: relative;
  box-sizing: border-box;
  padding: 15px 10px 10px;
  margin: 25px auto;
  line-height: 24px;
  border: 1px solid #ccc;
}

.popup-result .title {
  position: absolute;
  top: -28px;
  left: 50%;
  width: 140px;
  margin-left: -70px;
  font-size: 14px;
  line-height: 30px;
  text-align: center;
  background: #fff;
}

.popup-result table {
  width: 100%;
  margin: 0 auto;
  text-align: center;
}

.popup-result table td:not(.result) {
  width: 3.5rem;
  min-width: 3.5rem;
  max-width: 3.5rem;
}

.popup-result table span {
  display: block;
  width: 100%;
  height: 30px;
  overflow: hidden;
  font-family: arial;
  line-height: 30px;
  white-space: nowrap;
  border: 1px solid #e8e8e8;
}

.popup-result-scroll {
  height: 10em;
  overflow-y: auto;
  font-size: 12px;
  line-height: 24px;
}
</style>
