<template>
	<div class="media-container">
		<div
			class="media"
			:class="{ center: (release.photos?.length || 0) + (release.scenesPhotos?.length || 0) < 2, preview: !me }"
		>
			<div
				v-if="release.trailer || release.teaser"
				class="trailer-container"
			>
				<Player
					v-if="release.trailer"
					:video="release.trailer"
					:poster="poster"
					class="item trailer"
					@play="playing = true; paused = false;"
					@pause="playing = false; paused = true;"
				/>

				<Player
					v-else-if="release.teaser && /^video\//.test(release.teaser.mime)"
					:video="release.teaser"
					:poster="poster"
					:alt="release.title"
					:class="{ sfw: sfw && paused }"
					class="item trailer"
					@play="playing = true; paused = false;"
					@pause="playing = false; paused = true;"
				/>

				<img
					v-else-if="release.teaser && /^image\//.test(release.teaser.mime)"
					:src="getPath(release.teaser, 'thumbnail', { original: true })"
					:alt="release.title"
					:width="release.teaser.thumbnailWidth"
					:height="release.teaser.thumbnailHeight"
					loading="lazy"
					class="item trailer"
				>

				<span
					v-if="release.poster || release.teaser"
					class="poster-links"
				>
					<a
						v-if="release.teaser"
						v-tooltip="'View teaser'"
						:href="getPath(release.teaser)"
						:class="{ playing }"
						target="_blank"
						rel="noopener noreferrer"
						class="poster-link"
					><Icon icon="film4" /></a>

					<a
						v-if="release.poster"
						v-tooltip="'View poster'"
						:href="getPath(release.poster)"
						:class="{ playing }"
						target="_blank"
						rel="noopener noreferrer"
						class="poster-link"
					><Icon icon="image" /></a>
				</span>

				<span
					v-if="sfw && !playing"
					class="warning"
				>
					<Icon icon="warning2" />NSFW
				</span>
			</div>

			<template v-if="release.covers?.length > 0">
				<div
					v-for="cover in release.covers"
					:key="`cover-${cover.id}`"
					class="item-container"
				>
					<a
						:href="getPath(cover)"
						target="_blank"
						rel="noopener noreferrer"
					>
						<img
							:src="getPath(cover, 'thumbnail')"
							:style="{ 'background-image': getBgPath(cover, 'lazy') }"
							:width="cover.thumbnailWidth"
							:height="cover.thumbnailHeight"
							class="item cover"
							loading="lazy"
							@load="$emit('load', $event)"
						>
					</a>
				</div>
			</template>

			<div
				v-for="photo in photos"
				:key="`media-${photo.id}`"
				class="item-container"
			>
				<a
					:href="getPath(photo)"
					:class="{ sfw }"
					class="item-link"
					target="_blank"
					rel="noopener noreferrer"
				>
					<img
						:src="getPath(photo, 'thumbnail')"
						:style="{ 'background-image': `url('${getPath(photo, 'lazy')}` }"
						:alt="`Photo ${photo.index + 1}`"
						:width="photo.thumbnailWidth"
						:height="photo.thumbnailHeight"
						loading="lazy"
						class="item"
						@load="$emit('load', $event)"
					>

					<span
						v-if="sfw"
						class="warning"
					>
						<Icon icon="warning2" />NSFW
					</span>
				</a>
			</div>

			<div
				v-if="!me"
				class="item-container item-more"
			><router-link
				:to="{ name: 'login', query: { ref: $route.path } }"
				class="link"
			>Log in</router-link>&nbsp;for more photos, trailers and features!</div>
		</div>
	</div>
</template>

<script>
import Player from '../video/player.vue';

function sfw() {
	return this.$store.state.ui.sfw;
}

function me() {
	return this.$store.state.auth.user;
}

function poster() {
	if (this.release.poster) {
		return this.getPath(this.release.poster, 'thumbnail');
	}

	if (this.release.covers?.length > 0) {
		return this.getPath(this.release.covers[0], 'thumbnail');
	}

	if (this.photos?.length > 0) {
		return this.getPath(this.release.photos[0], 'thumbnail');
	}

	return null;
}

function photos() {
	const clips = this.release.clips || [];
	const clipPostersById = clips.reduce((acc, clip) => ({ ...acc, [clip.poster.id]: clip.poster }), {});
	const uniqueClipPosters = Array.from(new Set(clips.map((clip) => clip.poster.id) || [])).map((posterId) => clipPostersById[posterId]);
	const photosWithClipPosters = (this.release.photos || []).concat(this.release.scenesPhotos || []).concat(uniqueClipPosters);

	if (this.release.trailer || (this.release.teaser && this.release.teaser.mime !== 'image/gif')) {
		// poster will be on trailer video
		return photosWithClipPosters;
	}

	if (this.release.poster) {
		// no trailer, add poster to photos
		return [this.release.poster].concat(photosWithClipPosters);
	}

	// no poster available
	return photosWithClipPosters;
}

export default {
	components: {
		Player,
	},
	props: {
		release: {
			type: Object,
			default: null,
		},
		expanded: {
			type: Boolean,
			default: false,
		},
		test: {
			type: String,
			default: null,
		},
	},
	emits: ['load'],
	data() {
		return {
			player: null,
			playing: false,
			paused: false,
		};
	},
	computed: {
		me,
		photos,
		poster,
		sfw,
	},
};
</script>

<style lang="scss" scoped>
@import 'breakpoints';

.media {
    flex-shrink: 0;
    white-space: nowrap;
    font-size: 0;
}

.media.center {
	width: 1200px;
	max-width: 100%;
	display: flex;
	margin: 0 auto;
}

.poster-links {
	display: flex;
    position: absolute;
	top: 0;
	right: 0;
}

.poster-link {
    transition: opacity .1s ease;
	padding: .5rem;

    .icon {
        width: 1.5rem;
        height: 1.5rem;
        fill: var(--lighten-strong);
        filter: drop-shadow(0 0 1px var(--darken-weak));
    }

    &.playing {
        opacity: 0;
    }

	&:first-child {
		padding-left: .75rem;
	}

	&:last-child {
		padding-right: .75rem;
	}

    &:hover {
        cursor: pointer;
        opacity: 1;

        .icon {
            fill: var(--text-light);
        }
    }
}

.item-container,
.trailer-container {
	height: 100%;
	max-width: 100%;
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
	flex-shrink: 0;

    .warning {
        display: none;
        width: 100%;
        height: 100%;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        position: absolute;
        background: var(--darken-weak);
        color: var(--text-light);
        font-size: 1.2rem;
        font-weight: bold;
        text-shadow: 0 0 3px var(--darken-strong);
        pointer-events: none;
        animation: alert .5s ease infinite .1s;

        .icon {
            display: block;
            fill: var(--text-light);
            width: 3rem;
            height: 3rem;
            margin: 0 0 .25rem 0;
            filter: drop-shadow(0 0 3px var(--darken));
            animation: alert .5s ease infinite .1s;
        }
    }

    &:hover .warning {
        display: inline-flex;
    }
}

.item {
	max-width: 100%;
	width: auto;
	height: 18rem;
	box-shadow: 0 0 3px var(--shadow-weak);
	background-size: cover;
}

.item-more {
	height: auto;
	flex-grow: 1;
	align-items: center;
	padding: .5rem 2rem;
	color: var(--text-light);
	text-shadow: 0 0 3px var(--darken);
	font-weight: bold;
	font-size: 1rem;

	.link {
		color: inherit;
		text-decoration: underline;
	}
}

.trailer-container {
	width: 32rem;
    max-width: 100%;
}

.trailer {
	width: 100%;
	max-width: 32rem;
	max-height: 100%;

    &.sfw {
        filter: blur(2rem);
    }
}

@keyframes alert {
    0% {
        color: var(--text-light);
        fill: var(--text-light);
    }
    50% {
        color: var(--alert);
        fill: var(--alert);
    }
}

@media(max-width: $breakpoint-micro) {
	.media.center.preview {
		flex-direction: column;
	}

	.item-more {
		font-size: .9rem;
	}

	.media:not(.expanded) .item,
    .trailer-container {
		height: 56vw; /* 16:9 ratio for full-width video */
    }
}
</style>
