<template>
  <div id="c-search">
    <el-row>
      <el-col :span="24" class="title" v-if="is_title">
        <el-col :span="24" class="title_1">
          <span>{{ title || $route.meta.title }}</span>
          <span>{{ tip }}</span>
        </el-col>
        <el-col :span="24" class="title_2">
          <span>{{ remark }}</span>
        </el-col>
      </el-col>
      <el-col :span="24" class="search" v-if="is_search">
        <el-form ref="formRef" :model="form" label-width="auto">
          <el-col :span="24" class="form">
            <template v-for="(item, index) in fields">
              <el-col :span="8" class="form_1" :key="'form-field-' + index" v-if="item.isSearch == true">
                <el-form-item :label="getField('label', item)" :prop="item.model">
                  <template v-if="!item.custom">
                    <template v-if="item.type === 'select'">
                      <el-select v-model="form[item.model]" v-bind="item.options" filterable clearable @change="dataChange(item.model)">
                        <slot :name="item.model" v-bind="{ item }"></slot>
                      </el-select>
                    </template>
                    <template v-else>
                      <el-input
                        v-model="form[item.model]"
                        :type="getField('type', item)"
                        :placeholder="getField('place', item)"
                        clearable
                        v-bind="item.options"
                        @change="dataChange(item.model)"
                      ></el-input>
                    </template>
                  </template>
                  <template v-else>
                    <slot :name="item.model" v-bind="{ item }"></slot>
                    <!-- <el-input v-model="form[item.model]" clearable :placeholder="`输入${item.label}`"></el-input> -->
                  </template>
                </el-form-item>
              </el-col>
            </template>
          </el-col>
          <el-col :span="24" class="btn">
            <el-button type="primary" @click="toSubmit()">查询</el-button>
            <el-button type="danger" @click="toReset()">重置</el-button>
          </el-col>
        </el-form>
      </el-col>
      <el-col :span="24" class="back" v-if="is_back">
        <el-button type="primary" @click="toBack()">返回</el-button>
        <slot name="custombtn"></slot>
      </el-col>
      <el-col :span="24" class="slot">
        <slot name="isslot"></slot>
      </el-col>
    </el-row>
  </div>
</template>
<script lang="ts" setup>
import { ref, toRefs } from 'vue';
import type { Ref } from 'vue';
import _ from 'lodash';
interface fieldsItem {
  model: string;
  type: string;
  // readonly: string;
  options: object;
  custom: string;
  // required: string;
  // limit: number | undefined;
  isSearch: boolean;
}
const props = defineProps({
  is_title: { type: Boolean, default: true },
  is_search: { type: Boolean, default: false },
  is_back: { type: Boolean, default: false },
  fields: { type: Array<fieldsItem> },
  title: { type: String },
  tip: { type: String },
  remark: { type: String },
});
const { is_title } = toRefs(props);
const { is_search } = toRefs(props);
const { is_back } = toRefs(props);
const { fields } = toRefs(props);
const { title } = toRefs(props);
const { tip } = toRefs(props);
const { remark } = toRefs(props);

let form: Ref<{}> = ref({});
const emit = defineEmits(['search', 'toReset', 'toBack', 'dataChange']);
const toSubmit = () => {
  const obj = _.pickBy(form.value);
  emit('search', { ...obj });
};
// 重置
const toReset = () => {
  form.value = {};
  emit('search', form.value);
};
// 文字描述
const getField = (item: any, data: any) => {
  let res = _.get(data, item, null);
  if (item === 'type') res = res === null ? `text` : res;
  if (item === 'place') res = res === null ? `请输入${data.label}` : res;
  if (item === 'required') res = res === null ? false : res;
  if (item === `error`) res = res === null ? `${data.label}错误` : res;
  return res;
};
// 获取输入值
const dataChange = (model: string) => {
  const value = form.value[model];
  emit('dataChange', { model, value });
};
// 返回
const toBack = () => {
  emit('toBack');
};
</script>

<style lang="scss" scoped>
.title {
  margin: 0 0 5px 0;
  .title_1 {
    margin: 0 0 5px 0;
    span:first-child {
      font-size: 20px;
      font-weight: 700;
      margin-right: 10px;
    }
    span:last-child {
      font-size: 14px;
      color: #979797;
    }
  }
  .title_2 {
    span {
      color: #8baae7;
      font-size: 14px;
      margin-top: 10px;
    }
  }
}
.search {
  margin: 0 0 10px 0;
  .form {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    .form_1 {
      padding: 0 0 0 10px;
      .el-form-item {
        float: left;
        width: 100%;
        margin: 0 0 10px 0;
      }
      .el-select {
        width: 100%;
      }
    }
  }

  .btn {
    text-align: right;
  }
}
.back {
  text-align: left;
  margin: 0 0 10px 0;
}
</style>
