<template>
<div class="tivcixzd" :class="{ done: closed || isVoted }">
	<ul>
		<li v-for="(choice, i) in note.poll.choices" :key="i" :class="{ voted: choice.voted }" @click="vote(i)">
			<div class="backdrop" :style="{ 'width': `${showResult ? (choice.votes / total * 100) : 0}%` }"></div>
			<span>
				<template v-if="choice.isVoted"><i class="fas fa-check"></i></template>
				<Mfm :text="choice.text" :plain="true" :custom-emojis="note.emojis"/>
				<span v-if="showResult" class="votes">({{ $t('_poll.votesCount', { n: choice.votes }) }})</span>
			</span>
		</li>
	</ul>
	<p v-if="!readOnly">
		<span>{{ $t('_poll.totalVotes', { n: total }) }}</span>
		<span> · </span>
		<a v-if="!closed && !isVoted" @click="showResult = !showResult">{{ showResult ? $ts._poll.vote : $ts._poll.showResult }}</a>
		<span v-if="isVoted">{{ $ts._poll.voted }}</span>
		<span v-else-if="closed">{{ $ts._poll.closed }}</span>
		<span v-if="remaining > 0"> · {{ timer }}</span>
	</p>
</div>
</template>

<script lang="ts">
import { computed, defineComponent, onUnmounted, ref, toRef } from 'vue';
import { sum } from '@/scripts/array';
import * as os from '@/os';
import { i18n } from '@/i18n';

export default defineComponent({
	props: {
		note: {
			type: Object,
			required: true
		},
		readOnly: {
			type: Boolean,
			required: false,
			default: false,
		}
	},

	setup(props) {
		const remaining = ref(-1);

		const total = computed(() => sum(props.note.poll.choices.map(x => x.votes)));
		const closed = computed(() => remaining.value === 0);
		const isVoted = computed(() => !props.note.poll.multiple && props.note.poll.choices.some(c => c.isVoted));
		const timer = computed(() => i18n.t(
			remaining.value >= 86400 ? '_poll.remainingDays' :
			remaining.value >= 3600 ? '_poll.remainingHours' :
			remaining.value >= 60 ? '_poll.remainingMinutes' : '_poll.remainingSeconds', {
				s: Math.floor(remaining.value % 60),
				m: Math.floor(remaining.value / 60) % 60,
				h: Math.floor(remaining.value / 3600) % 24,
				d: Math.floor(remaining.value / 86400)
			}));

		const showResult = ref(props.readOnly || isVoted.value);

		// 期限付きアンケート
		if (props.note.poll.expiresAt) {
			const tick = () => {
				remaining.value = Math.floor(Math.max(new Date(props.note.poll.expiresAt).getTime() - Date.now(), 0) / 1000);
				if (remaining.value === 0) {
					showResult.value = true;
				}
			};

			tick();
			const intevalId = window.setInterval(tick, 3000);
			onUnmounted(() => {
				window.clearInterval(intevalId);
			});
		}

		const vote = async (id) => {
			if (props.readOnly || closed.value || isVoted.value) return;

			const { canceled } = await os.confirm({
				type: 'question',
				text: i18n.t('voteConfirm', { choice: props.note.poll.choices[id].text }),
			});
			if (canceled) return;

			await os.api('notes/polls/vote', {
				noteId: props.note.id,
				choice: id,
			});
			if (!showResult.value) showResult.value = !props.note.poll.multiple;
		};

		return {
			remaining,
			showResult,
			total,
			isVoted,
			closed,
			timer,
			vote,
		};
	},
});
</script>

<style lang="scss" scoped>
.tivcixzd {
	> ul {
		display: block;
		margin: 0;
		padding: 0;
		list-style: none;

		> li {
			display: block;
			position: relative;
			margin: 4px 0;
			padding: 4px;
			//border: solid 0.5px var(--divider);
			background: var(--accentedBg);
			border-radius: 4px;
			overflow: hidden;
			cursor: pointer;

			> .backdrop {
				position: absolute;
				top: 0;
				left: 0;
				height: 100%;
				background: var(--accent);
				background: linear-gradient(90deg,var(--buttonGradateA),var(--buttonGradateB));
				transition: width 1s ease;
			}

			> span {
				position: relative;
				display: inline-block;
				padding: 3px 5px;
				background: var(--panel);
				border-radius: 3px;

				> i {
					margin-right: 4px;
					color: var(--accent);
				}

				> .votes {
					margin-left: 4px;
					opacity: 0.7;
				}
			}
		}
	}

	> p {
		color: var(--fg);

		a {
			color: inherit;
		}
	}

	&.done {
		> ul > li {
			cursor: default;
		}
	}
}
</style>