<template>
  <ListboxGroup
    v-bind="delegatedProps"
    :id="id"
    :class="cn('overflow-hidden p-1 text-foreground [&_[cmdk-group-heading]]:px-2 [&_[cmdk-group-heading]]:py-1.5 [&_[cmdk-group-heading]]:text-xs [&_[cmdk-group-heading]]:font-medium [&_[cmdk-group-heading]]:text-muted-foreground', props.class)"
    :hidden="isRender ? undefined : true"
  >
    <ListboxGroupLabel v-if="heading" class="text-muted-foreground px-2 py-1.5 text-xs font-medium">
      {{ heading }}
    </ListboxGroupLabel>
    <slot />
  </ListboxGroup>
</template>

<script setup lang="ts">
import type { ListboxGroupProps } from 'reka-ui';
import type { HTMLAttributes } from 'vue';
import { ListboxGroup, ListboxGroupLabel, useId } from 'reka-ui';
import { computed, onMounted, onUnmounted } from 'vue';
import { cn } from '@/lib/utils';
import { provideCommandGroupContext, useCommand } from '.';

const props = defineProps<ListboxGroupProps & {
  class?: HTMLAttributes['class'];
  heading?: string;
}>();

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

  return delegated;
});

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

const isRender = computed(() => !filterState.search ? true : filterState.filtered.groups.has(id));

provideCommandGroupContext({ id });
onMounted(() => {
  if (!allGroups.value.has(id))
    allGroups.value.set(id, new Set());
});
onUnmounted(() => {
  allGroups.value.delete(id);
});
</script>
