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

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

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

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

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

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

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

      <div class="pop_btn">
        <el-button type="primary" @click="submitFill">确定</el-button>
        <el-button type="warning" @click="clearCron">重置</el-button>
      </div>
    </div>
  </div>
</template>

<script setup>
import CrontabSecond from "./second.vue";
import CrontabMin from "./min.vue";
import CrontabHour from "./hour.vue";
import CrontabDay from "./day.vue";
import CrontabMonth from "./month.vue";
import CrontabWeek from "./week.vue";
import CrontabYear from "./year.vue";
import CrontabResult from "./result.vue";
const { proxy } = getCurrentInstance();
const emit = defineEmits(["hide", "fill"]);
const props = defineProps({
  hideComponent: {
    type: Array,
    default: () => [],
  },
  expression: {
    type: String,
    default: "",
  },
});
// const tabTitles = ref(["秒", "分钟", "小时", "日", "月", "周", "年"]);
const tabTitles = ref(["小时", "日", "月", "周", "年"]);
const tabActive = ref(0);
const hideComponent = ref([]);
const expression = ref("");
const crontabValueObj = ref({
  hour: "*",
  day: "*",
  month: "*",
  week: "?",
  year: "",
});
const crontabValueString = computed(() => {
  const obj = crontabValueObj.value;
  return (
    obj.hour +
    " " +
    obj.day +
    " " +
    obj.month +
    " " +
    obj.week +
    (obj.year === "" ? "" : " " + obj.year)
  );
});
watch(expression, () => resolveExp());
function shouldHide(key) {
  return !(hideComponent.value && hideComponent.value.includes(key));
}
function resolveExp() {
  // 反解析 表达式
  if (expression.value) {
    const arr = expression.value.split(/\s+/);
    if (arr.length >= 4) {
      //4 位以上是合法表达式
      let obj = {
        hour: arr[0],
        day: arr[1],
        month: arr[2],
        week: arr[3],
        year: arr[4] ? arr[4] : "",
      };
      crontabValueObj.value = {
        ...obj,
      };
    }
  } else {
    // 没有传入的表达式 则还原
    clearCron();
  }
}
// tab切换值
function tabCheck(index) {
  tabActive.value = index;
}
// 由子组件触发，更改表达式组成的字段值
function updateCrontabValue(name, value, from) {
  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;
}

// 填充表达式
function submitFill() {
  emit("fill", crontabValueString.value);
}
function clearCron() {
  // 还原选择项
  crontabValueObj.value = {
    hour: "*",
    day: "*",
    month: "*",
    week: "?",
    year: "",
  };
}
onMounted(() => {
  expression.value = props.expression;
  hideComponent.value = props.hideComponent;
  console.log(props.hideComponent);
});
</script>

<style lang="scss" scoped>
.pop_btn {
  text-align: center;
  margin-top: 20px;
}
.popup-main {
  position: relative;
  margin: 10px auto;
  background: #fff;
  border-radius: 5px;
  font-size: 12px;
  overflow: hidden;
}
.popup-title {
  overflow: hidden;
  line-height: 34px;
  padding-top: 6px;
  background: #f2f2f2;
}
.popup-result {
  box-sizing: border-box;
  line-height: 24px;
  margin: 25px auto;
  padding: 15px 10px 10px;
  border: 1px solid #ccc;
  position: relative;
}
.popup-result .title {
  position: absolute;
  top: -28px;
  left: 50%;
  width: 140px;
  font-size: 14px;
  margin-left: -70px;
  text-align: center;
  line-height: 30px;
  background: #fff;
}
.popup-result table {
  text-align: center;
  width: 100%;
  margin: 0 auto;
}
.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%;
  font-family: arial;
  line-height: 30px;
  height: 30px;
  white-space: nowrap;
  overflow: hidden;
  border: 1px solid #e8e8e8;
}
.popup-result-scroll {
  font-size: 12px;
  line-height: 24px;
  height: 10em;
  overflow-y: auto;
}
</style>