<template>
	<section class="event" v-if="event.deleted">
		<p>
			Error: Unexpected deleted event.
		</p>
	</section>
	<section class="event" v-else>
		<h3>{{ event.name }}</h3>
		<p>{{ event.description ?? "No description provided" }}</p>
		<p v-if="event.interested">
			{{ event.interested }} interested
		</p>
		<p v-if="accountStore.valid">
			<button
				class="interested"
				:class="{ active: accountStore.interestedEventIds.has(event.id) }"
				@click="toggle('event', event.id, event.slots.map(slot => slot.id))"
			>
				{{ accountStore.interestedEventIds.has(event.id) ? "✔ interested" : "🔔 interested?" }}
			</button>
		</p>

		<h4>Timeslots</h4>
		<ul>
			<li v-for="slot in event.slots" :key="slot.id">
				{{ formatTime(slot.start) }} - {{ formatTime(slot.end) }}
				<button
					v-if="accountStore.valid && event.slots.length > 1"
					class="interested"
					:disabled="accountStore.interestedEventIds.has(event.id)"
					:class="{ active: accountStore.interestedEventIds.has(event.id) || accountStore.interestedEventSlotIds.has(slot.id) }"
					@click="toggle('slot', slot.id)"
				>
					{{ accountStore.interestedEventIds.has(event.id) || accountStore.interestedEventSlotIds.has(slot.id) ? "✔ interested" : "🔔 interested?" }}
				</button>
				<template v-if="slot.interested">
					({{ slot.interested }} interested)
				</template>
				<p v-if="slot.assigned">
					Crew:
					{{ slot.assigned.map(id => idToAccount.get(id)?.name).join(", ") }}
				</p>
			</li>
		</ul>
	</section>
</template>

<script lang="ts" setup>
import { DateTime } from 'luxon';
import type { ApiScheduleEvent } from '~/shared/types/api';

defineProps<{
	event: ApiScheduleEvent
}>()

const accountStore = useAccountStore();
const { data: accounts } = await useAccounts();
const idToAccount = computed(() => new Map(accounts.value?.map(a => [a.id, a])));

function formatTime(time: string) {
	return DateTime.fromISO(time, { zone: accountStore.activeTimezone, locale: "en-US" }).toFormat("yyyy-LL-dd HH:mm");
}

async function toggle(type: "event" | "slot", id: number, slotIds?: number[]) {
	await accountStore.toggleInterestedId(type, id, slotIds);
}
</script>

<style scoped>
.event {
	background: color-mix(in oklab, var(--background), grey 20%);
	padding: 0.5rem;
	border-radius: 0.5rem;
}
.event h3 {
	margin: 0;
}
.event + .event {
	margin-block-start: 0.5rem;
}

button {
	padding-inline: 0.2em;
}
button.active {
	color: color-mix(in oklab, var(--foreground), green 50%);
}
</style>
