<template>
<div class="driuhtrh _gaps">
	<MkButton v-if="$i && ($i.isModerator || $i.policies.canManageCustomEmojis)" primary link to="/custom-emojis-manager">{{ i18n.ts.manageCustomEmojis }}</MkButton>

	<div class="query">
		<MkInput v-model="q" class="" :placeholder="i18n.ts.search">
			<template #prefix><i class="ti ti-search"></i></template>
		</MkInput>

		<!-- たくさんあると邪魔
		<div class="tags">
			<span class="tag _button" v-for="tag in customEmojiTags" :class="{ active: selectedTags.has(tag) }" @click="toggleTag(tag)">{{ tag }}</span>
		</div>
		-->
	</div>

	<MkFoldableSection v-if="searchEmojis" class="emojis">
		<template #header>{{ i18n.ts.searchResult }}</template>
		<div class="zuvgdzyt">
			<XEmoji v-for="emoji in searchEmojis" :key="emoji.name" class="emoji" :emoji="emoji"/>
		</div>
	</MkFoldableSection>
	
	<MkFoldableSection v-for="category in customEmojiCategories" v-once :key="category" class="emojis">
		<template #header>{{ category || i18n.ts.other }}</template>
		<div class="zuvgdzyt">
			<XEmoji v-for="emoji in customEmojis.filter(e => e.category === category)" :key="emoji.name" class="emoji" :emoji="emoji"/>
		</div>
	</MkFoldableSection>
</div>
</template>

<script lang="ts" setup>
import { watch } from 'vue';
import * as Misskey from 'misskey-js';
import XEmoji from './emojis.emoji.vue';
import MkButton from '@/components/MkButton.vue';
import MkInput from '@/components/MkInput.vue';
import MkFoldableSection from '@/components/MkFoldableSection.vue';
import { customEmojis, customEmojiCategories, getCustomEmojiTags } from '@/custom-emojis';
import { i18n } from '@/i18n';
import { $i } from '@/account';

const customEmojiTags = getCustomEmojiTags();
let q = $ref('');
let searchEmojis = $ref<Misskey.entities.CustomEmoji[]>(null);
let selectedTags = $ref(new Set());

function search() {
	if ((q === '' || q == null) && selectedTags.size === 0) {
		searchEmojis = null;
		return;
	}

	if (selectedTags.size === 0) {
		const queryarry = q.match(/\:([a-z0-9_]*)\:/g);

		if (queryarry) {
			searchEmojis = customEmojis.value.filter(emoji => 
				queryarry.includes(`:${emoji.name}:`)
			);
		} else {
			searchEmojis = customEmojis.value.filter(emoji => emoji.name.includes(q) || emoji.aliases.includes(q));
		}
	} else {
		searchEmojis = customEmojis.value.filter(emoji => (emoji.name.includes(q) || emoji.aliases.includes(q)) && [...selectedTags].every(t => emoji.aliases.includes(t)));
	}
}

function toggleTag(tag) {
	if (selectedTags.has(tag)) {
		selectedTags.delete(tag);
	} else {
		selectedTags.add(tag);
	}
}

watch($$(q), () => {
	search();
});

watch($$(selectedTags), () => {
	search();
}, { deep: true });
</script>

<style lang="scss" scoped>
.driuhtrh {
	background: var(--bg);

	> .query {
		background: var(--bg);

		> .tags {
			> .tag {
				display: inline-block;
				margin: 8px 8px 0 0;
				padding: 4px 8px;
				font-size: 0.9em;
				background: var(--accentedBg);
				border-radius: 5px;

				&.active {
					background: var(--accent);
					color: var(--fgOnAccent);
				}
			}
		}
	}

	> .emojis {
		.zuvgdzyt {
			display: grid;
			grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
			grid-gap: 12px;
		}
	}
}
</style>
