<!--
 - @Author XXX
 - @Link XXX
-->
<template>
    <ma-form-item
        v-if="typeof props.component.display == 'undefined' || props.component.display === true"
        :component="props.component"
        :custom-field="props.customField"
    >
        <slot :name="`form-${props.component.dataIndex}`" v-bind="props.component">
            <a-cascader
                v-model="value"
                :path-mode="props.component.pathMode"
                :placeholder="props.component.placeholder || `请选择${props.component.title}`"
                :allow-clear="props.component.allowClear ?? true"
                :allow-search="props.component.allowSearch ?? true"
                :size="props.component.size"
                :disabled="props.component.disabled"
                :multiple="props.component.multiple"
                :options="props.component.options ?? dictList[dictIndex] ?? []"
                :input-value="props.component.inputValue"
                :default-input-value="props.component.defaultInputValue"
                :popup-visible="props.component.popupVisible"
                :default-popup-visible="props.component.defaultPopupVisible"
                :expand-trigger="props.component.expandTrigger"
                :filter-option="props.component.filterOption"
                :popup-container="props.component.popupContainer"
                :max-tag-count="props.component.maxTagCount"
                :format-label="props.component.formatLabel"
                :trigger-props="props.component.triggerProps"
                :check-strictly="props.component.checkStrictly"
                :load-more="props.component.loadMore"
                :loading="props.component.loading"
                :search-option-only-label="props.component.searchOptionOnlyLabel"
                :search-delay="props.component.searchDelay"
                :field-names="
                    props.component.fieldNames ?? props.component?.dict?.props ?? { key: 'value', title: 'label' }
                "
                :value-key="props.component.valueKey"
                :fallback="props.component.fallback"
                :expand-child="props.component.expandChild"
                @change="rv('onChange', $event)"
                @search="rv('onSearch', $event)"
                @input-value-change="rv('onInputValueChange', $event)"
                @popup-visible-change="rv('onPopupVisibleChange', $event)"
                @clear="rv('onClear')"
                @focus="rv('onFocus')"
                @blur="rv('onBlur')"
            >
            </a-cascader>
        </slot>
    </ma-form-item>
</template>

<script setup>
import { ref, inject, onMounted, watch } from "vue"
import { get, set } from "lodash-es"
import MaFormItem from "./form-item.vue"
import { runEvent } from "../js/event.js"

const props = defineProps({
    component: Object,
    customField: { type: String, default: undefined }
})

const formModel = inject("formModel")
const dictList = inject("dictList")
const getColumnService = inject("getColumnService")
const columns = inject("columns")
const rv = async (ev, value = undefined) =>
    await runEvent(props.component, ev, { formModel, getColumnService, columns }, value)
const index = props.customField ?? props.component.dataIndex
const dictIndex = index.match(/^(\w+\.)\d+\./)
    ? index.match(/^(\w+\.)\d+\./)[1] + props.component.dataIndex
    : props.component.dataIndex
const value = ref(get(formModel.value, index))

watch(
    () => get(formModel.value, index),
    (vl) => (value.value = vl)
)
watch(
    () => value.value,
    (v) => {
        set(formModel.value, index, v)
        index.indexOf(".") > -1 && delete formModel.value[index]
    }
)

if (
    props.component.dict &&
    (props.component.dict.name || props.component.dict.data) &&
    !value.value &&
    !props.component.multiple &&
    !props.component.pathMode
) {
    value.value = value.value + ""
}

rv("onCreated")
onMounted(() => rv("onMounted"))
</script>
