<template>
  <Page name="search">
    <template #header>
      <search-bar v-model="searchForm.query" placeholder="请输入搜索关键词" auto @confirm="onSearch" />
    </template>
    <template #content>
      <List ref="list" v-model="list" :api="searchAPI" :addOption='addOption'>
        <template v-for="(item, index) in list">
          <zui-cell :key="index" @click="onSelect(item, index)">
            <template #title>{{ item[label] }}</template>
            <template #right>{{ item.code }}</template>
          </zui-cell>
        </template>
      </List>
    </template>
  </Page>
</template>

<script>
export default {
  data() {
    return {
      searchForm: {
        query: ''
      },
      list: [],
      label: 'name',
    }
  },
  onLoad(option) {
    if (option.label) this.label = option.label;
    if (option.mode === 'select') {
      uni.setNavigationBarTitle({ title: '选择线路' });
    }
  },
  methods: {
    searchAPI(params) {
      return uni.$u.api.filter.lineSelect({ ...params, ...this.searchForm });
    },
    addOption(list){
      let obj = {
        code: '',
        name: '不限',
      };
      let hash = {};
      let options = [obj, ...list].reduce((result, item) => {
        let hashKey = `${item.code}` || '_empty';
        if (!hash[hashKey]) {
          hash[hashKey] = true;
          if (item.name) {
            result.push(item);
          }
        }
        return result; // 返回结果数组
      }, []);
      this.$emit('input', options);
    },
    onSelect(item) {
      const $params = this.$params;
      if ($params.mode === 'select') {
        uni.$emit('select-line', item.name == '不限' && !item.code ? { code: '', name: '' } : item);
        uni.navigateBack();
      }
    }
  }
}
</script>
