<script setup lang="ts">
import { useCurrentElement } from "@vueuse/core";
import type { ListboxItemEmits, ListboxItemProps } from "reka-ui";
import { ListboxItem, useForwardPropsEmits, useId } from "reka-ui";
import {
    computed,
    type HTMLAttributes,
    onMounted,
    onUnmounted,
    ref,
} from "vue";
import { cn } from "@/lib/utils";
import { useCommand, useCommandGroup } from ".";

const props = defineProps<
    ListboxItemProps & { class?: HTMLAttributes["class"] }
>();
const emits = defineEmits<ListboxItemEmits>();

const delegatedProps = computed(() => {
    const { class: _, ...delegated } = props;

    return delegated;
});

const forwarded = useForwardPropsEmits(delegatedProps, emits);

const id = useId();
const { filterState, allItems, allGroups } = useCommand();
const groupContext = useCommandGroup();

const isRender = computed(() => {
    if (filterState.search) {
        const filteredCurrentItem = filterState.filtered.items.get(id);
        // If the filtered items is undefined means not in the all times map yet
        // Do the first render to add into the map
        if (filteredCurrentItem === undefined) {
            return true;
        }

        // Check with filter
        return filteredCurrentItem > 0;
    }

    return true;
});

const itemRef = ref();
const currentElement = useCurrentElement(itemRef);
onMounted(() => {
    if (!(currentElement.value instanceof HTMLElement)) {
        return;
    }

    // textValue to perform filter
    allItems.value.set(
        id,
        currentElement.value.textContent ?? props.value?.toString() ?? "",
    );

    const groupId = groupContext?.id;
    if (groupId) {
        if (allGroups.value.has(groupId)) {
            allGroups.value.get(groupId)?.add(id);
        } else {
            allGroups.value.set(groupId, new Set([id]));
        }
    }
});
onUnmounted(() => {
    allItems.value.delete(id);
});
</script>

<template>
    <ListboxItem
        v-if="isRender"
        v-bind="forwarded"
        :id="id"
        ref="itemRef"
        data-slot="command-item"
        :class="cn(`data-[highlighted]:bg-accent data-[highlighted]:text-accent-foreground [&_svg:not([class*='text-'])]:text-muted-foreground relative flex cursor-default items-center gap-2 rounded-sm px-2 py-2 text-sm outline-hidden select-none data-[disabled=true]:pointer-events-none data-[disabled=true]:opacity-50 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4`, props.class)"
        @select="() => {
      filterState.search = ''
    }"
    >
        <slot/>
    </ListboxItem>
</template>
