<template>
  <div>
    <template v-if="!lookflag">
      <el-select
        v-loading="selLoading"
        class="w-100"
        v-model="selectValue"
        :placeholder="placeholder"
        :clearable="false"
        style="width: 240px"
        size="mini"
        ref="mySelect"
        :reserve-keyword="true"
        :disabled="disabled"
        filterable
        popper-class="sele"
        :filter-method="filter"
        @change="fun"
        @focus="funx"
        @blur="funb"
        @visible-change="hidden"
        clearable
      >
        <el-option
          v-for="(item, index) in options"
          :key="index"
          :label="item.label"
          remote
          :value="item.value"
          placeholder="请输入"
        >
        </el-option>

        <div style="bottom: -10px">
          <el-pagination
            v-if="pageModel.total > pageModel.limit"
            small
            @current-change="handleCurrentChange"
            :current-page="pageModel.pageIndex"
            :page-size="pageModel.limit"
            layout="prev, pager,next,total"
            :total="pageModel.total"
          >
          </el-pagination>
        </div>
      </el-select>
    </template>
    <template v-else
      ><div v-loading="selLoading">{{ showValue }}</div></template
    >
  </div>
</template>



<style scoped lang="scss">
::v-deep .el-input--mini .el-input__inner {
  height: 38px;
}
.w-100 {
  width: 100% !important;
}
.drop >>> .el-input__inner {
  background: #5183ff !important;
  color: white;
  border: none;
  height: 26px;
  padding: 10px 22px 10px 10px;
  text-align: center;
}
.drop {
  width: 250px;
}
.drop >>> .el-select .el-input .el-select__caret {
  display: none;
}
</style>


<script>
import debounce from "lodash/debounce";
import { getUserModuleApi } from "@/api/integrationOption/integrationOption.js";
export default {
  props: {
    ruleForm: {
      type: Object,
      default: () => {
        return {};
      },
    },
    selectInfo: {
      type: Object,
      default: () => {
        return {};
      },
    },
    // 是否禁用
    disabled: {
      type: Boolean,
      default: false,
    },
    placeholder: String,
    value: {
      type: [String, Number],
    },
    itemObj: {
      type: Object,
      default: () => {
        return {};
      },
    },
    lookflag: {
      type: Boolean,
      default: false,
    },
    idKey: {
      type: [Number, String],
      default: 0,
    },
    journalingType: {
      type: [String, Number],
      default: "subject",
    },
    apiInfo: {
      type: Object,
    },
    searchApiInfo: {
      type: Object,
    },
    prop: {
      type: Object,
      default: () => {
        return {
          label: "names",
          id: "codes",
        };
      },
    },
    foucus: {
      type: Boolean,
      default: true,
    },
  },
  data() {
    return {
      pageModel: {
        total: 0,
        pageIndex: 1,
        limit: 10,
      },
      selLoading: false,
      showValue: "",
      lookLoading: false,
      options: [],
      tempObj: {},
    };
  },
  computed: {
    selectValue: {
      get() {
        return this.value;
      },
      set(val) {
        this.$emit("input", val);
      },
    },
  },
  created() {
    if (this.value) {
      // console.log(this.value, "查询");
      // this.searchCodes(this.value);
    }
  },
  mounted() {},
  methods: {
    // 页码改变事件
    handleCurrentChange(val) {
      this.pageModel.pageIndex = val;
      this.getUserModuleHandle();
    },
    // select选中更改事件
    fun(val) {
      this.$emit(`onSelect`, this.idKey, val);
      this.searchShowValue(val);
      this.$nextTick(() => {
        this.$emit("blur");
      });
    },
    searchShowValue(val) {
      this.options.forEach((item) => {
        if (item.codes == val) {
          this.showValue = item.names;
          this.$nextTick(() => {
            this.$emit("showValue", this.showValue, this.itemObj, this.idKey);
          });
        }
      });
    },
    // 获得焦点
    funx() {
      if (this.foucus) {
        this.getUserModuleHandle();
      }
    },
    clearOptions() {
      if (this.options.length) {
        this.options = [];
        this.tempObj = null;
        this.pageModel.pageIndex = 1;
      }
    },
    // 失去焦点
    funb() {
      // this.$nextTick(() => {
      //   this.$emit("blur");
      // });
    },
    hidden(val) {
      if (!val) {
        this.$nextTick(() => {
          this.$emit("blur");
        });
      }
    },
    //搜索方法,将符合的数据存入options中，并分页展示
    filter: debounce(function (val) {
      this.pageModel.pageIndex = 1;
      this.getUserModuleHandle(val);
    }, 300),
    // filter(val) {

    // },
    focus() {
      this.$refs.mySelect.focus();
    },
    async getUserModuleHandle(val = null, obj = null) {
      if (obj) {
        this.tempObj = obj;
      }
      this.selLoading = true;
      const res = await getUserModuleApi(this.apiInfo, {
        journalingType: this.journalingType,
        names: val,
        pageNum: this.pageModel.pageIndex,
        pageSize: 100,
        ...obj,
        ...this.tempObj,
      });
      this.selLoading = false;
      if (res.status == 200) {
        this.options = [];
        this.pageModel.total = res.attribute.total;
        res.attribute.list.forEach((item) => {
          this.options.push({
            value: item[this.prop.id],
            label: item[this.prop.label],
          });
        });
      }
    },
    async searchCodes(codes) {
      const res = await getUserModuleApi(this.searchApiInfo, {
        journalingType: this.journalingType,
        codes: codes,
      });
      if (res.status == 200 && res.attribute) {
        if (!this.options.length) {
          this.options.push({ ...res.attribute });
        }
        if (res.attribute) {
          this.showValue = res.attribute.names;
        }
        this.$nextTick(() => {
          this.$emit("showValue", this.showValue, this.itemObj, this.idKey);
        });
      }
    },
  },
  beforeDestroy() {},
  //监听来自父组件的数据，当数据更新时，重置展示
  watch: {
    value(newv, oldv) {
      if (this.lookflag) {
        this.searchCodes(this.value);
      }
    },
  },
};
</script>
