<template>
  <form-item-wrapper
    :designer="designer"
    :field="field"
    :rules="rules"
    :design-state="designState"
    :parent-widget="parentWidget"
    :parent-list="parentList"
    :index-of-parent-list="indexOfParentList"
    :sub-form-row-index="subFormRowIndex"
    :sub-form-col-index="subFormColIndex"
    :sub-form-row-id="subFormRowId"
  >
    <template v-for="(item, index) in field.options.statusParam">
      <template v-if="fieldModel === item[valueField]">
        <span
          v-if="
            field.options.formScriptEnabled ||
            field.options.commonAttributeEnabled
          "
          :key="index"
          >{{ getI18nLabel(item[labelField]) }}</span
        >
        <span v-else :key="index" class="list-tag" :class="item.type">{{
          getI18nLabel(item[labelField])
        }}</span>
      </template>
    </template>
  </form-item-wrapper>
</template>

<script>
import emitter from "../../../../../components/xform/utils/emitter";
import i18n from "../../../../../components/xform/utils/i18n";
import fieldMixin from "../../../../../components/xform/form-designer/form-widget/field-widget/fieldMixin";
import FormItemWrapper from "../../../../../components/xform/form-designer/form-widget/field-widget/form-item-wrapper.vue";

export default {
  name: "status-widget",
  componentName: "FieldWidget", //必须固定为FieldWidget，用于接收父级组件的broadcast事件
  mixins: [emitter, fieldMixin, i18n],
  props: {
    field: Object,
    parentWidget: Object,
    parentList: Array,
    indexOfParentList: Number,
    designer: Object,

    designState: {
      type: Boolean,
      default: false,
    },

    subFormRowIndex: {
      /* 子表单组件行索引，从0开始计数 */ type: Number,
      default: -1,
    },
    subFormColIndex: {
      /* 子表单组件列索引，从0开始计数 */ type: Number,
      default: -1,
    },
    subFormRowId: {
      /* 子表单组件行Id，唯一id且不可变 */ type: String,
      default: "",
    },
  },
  components: {
    FormItemWrapper,
  },
  inject: ["refList", "globalOptionData", "globalModel", "getFormConfig"],
  data() {
    return {
      oldFieldValue: [], //field组件change之前的值
      fieldModel: null,
      rules: [],
      isH5: false,
      option: {},
      statusParam: [],
    };
  },
  computed: {
    labelField() {
      return this.getOptionItemLabelKey();
    },
    valueField() {
      return this.getOptionItemValueKey();
    },
  },
  watch: {
    fieldModel(val) {
      this.handleChangeEvent(val);
    },
  },
  beforeCreate() {
    /* 这里不能访问方法和属性！！ */
  },

  created() {
    /* 注意：子组件mounted在父组件created之后、父组件mounted之前触发，故子组件mounted需要用到的prop
       需要在父组件created中初始化！！ */
    this.initStatusForDesign();

    this.initFieldModel();
    this.registerToRefList();
    this.initEventHandler();
    this.buildFieldRules();

    this.handleOnCreated();
    this.initOptionItemsHandle();
    // this.initStatusParam();
  },

  mounted() {
    this.handleOnMounted();
  },

  beforeDestroy() {
    this.unregisterFromRefList();
  },
  methods: {
    initStatusForDesign() {
      if (this.designState) {
        let value = null;
        let statusParam = this.field.options.statusParam;
        let valueField = this.valueField;
        if (statusParam.length) {
          value =
            this.field.options.defaultValue ?? statusParam[0][valueField] ?? 0;
        } else {
          value = 0;
        }
        this.fieldModel = value;
      }
    },
    refreshWidget() {
      this.initStatusForDesign();
      // this.$refs.statusTag.init();
    },
    getFieldModelLabel() {
      let label = null;
      let fieldModel = this.fieldModel;
      let valueField = this.valueField;
      let labelField = this.labelField;
      let item = this.field.options.statusParam.find(
        (item) => item[valueField] === fieldModel
      );
      if (item) {
        label = this.getI18nLabel(item[labelField]);
      }
      return label;
    },
  },
};
</script>

<style lang="scss" scoped>
@import "~@/styles/global.scss"; //* form-item-wrapper已引入，还需要重复引入吗？ *//
</style>
