<template>
	<Dialog
		title="Add alert"
		@close="$emit('close')"
	>
		<div
			v-if="error"
			class="dialog-error"
		>{{ error }}</div>

		<form
			class="dialog-body"
			@submit.prevent="addAlert"
		>
			<div class="dialog-section">
				<h3 class="dialog-heading">
					When<span class="dialog-description">All to appear in the same scene</span>
				</h3>

				<div class="alert-section">
					<h4
						v-if="actors.length > 1"
						class="alert-heading"
					>Actors</h4>

					<h4
						v-else
						class="alert-heading"
					>Actor</h4>

					<ul class="actors nolist">
						<li
							v-for="actor in actors"
							:key="`actor-${actor.id}`"
							class="actor"
						>
							<ActorPreview :actor="actor" />

							<Icon
								icon="cross3"
								class="remove"
								@click.native="removeActor(actor)"
							/>
						</li>

						<Tooltip>
							<li class="actor placeholder"><template v-if="actors.length === 0">Any actor</template>
								<Icon
									icon="plus3"
									class="add"
								/>
							</li>

							<template #tooltip>
								<Search
									content="actors"
									@select="actor => addActor(actor)"
								/>
							</template>
						</Tooltip>
					</ul>
				</div>

				<div class="alert-section">
					<h4
						v-if="actors.length > 1"
						class="alert-heading"
					>Do</h4>

					<h4
						v-else
						class="alert-heading"
					>Does</h4>

					<ul class="tags nolist">
						<li
							v-for="tag in tags"
							:key="`tag-${tag.id}`"
							class="tag"
						>{{ tag.name }}
							<Icon
								icon="cross3"
								class="remove"
								@click.native="removeTag(tag)"
							/>
						</li>

						<Tooltip>
							<li class="tag placeholder"><template v-if="tags.length === 0">Any type of scene</template>
								<Icon
									icon="plus3"
									class="add"
								/>
							</li>

							<template #tooltip>
								<Search
									content="tags"
									:defaults="['anal', 'blowbang', 'mfm', 'dp', 'gangbang', 'airtight']"
									@select="tag => addTag(tag)"
								/>
							</template>
						</Tooltip>
					</ul>
				</div>

				<div class="alert-section">
					<h4 class="alert-heading">For</h4>

					<div class="entities">
						<div
							v-if="entity"
							class="entity"
						>
							<Entity :entity="entity" />

							<Icon
								icon="cross3"
								class="remove"
								@click.native="removeEntity(entity)"
							/>
						</div>

						<Tooltip v-if="!entity">
							<div class="entity placeholder">
								Any channel

								<Icon
									icon="plus3"
									class="add"
								/>
							</div>

							<template #tooltip>
								<Search
									label="Search channels"
									content="entities"
									@select="entity => addEntity(entity)"
								/>
							</template>
						</Tooltip>
					</div>
				</div>

				<div class="alert-section">
					<h4 class="alert-heading">Matching</h4>

					<ul class="matches nolist">
						<li
							v-for="(match, index) in matches"
							:key="`match-${index}`"
							class="match"
						>
							<span class="match-property">{{ match.property }}:&nbsp;</span>

							<span
								v-if="match.expression.slice(0, 1) === '/' && match.expression.slice(-1) === '/'"
								class="match-expression"
							><span class="match-slash">/</span>{{ match.expression.slice(1, -1) }}<span class="match-slash">/</span></span>

							<span
								v-else
								class="match-expression"
							>{{ match.expression }}</span>

							<Icon
								icon="cross3"
								class="remove"
								@click.native="removeMatch(index)"
							/>
						</li>

						<Tooltip
							v-if="!entity"
							@open="$refs.expression?.focus()"
						>
							<li class="match placeholder">
								Anything

								<Icon
									icon="plus3"
									class="add"
								/>
							</li>

							<template #tooltip>
								<form
									class="pattern-tooltip"
									@submit.prevent="addMatch"
								>
									<select
										v-model="matchProperty"
										class="input"
									>
										<option value="title">Title</option>
										<option value="description">Description</option>
									</select>

									<input
										ref="expression"
										v-model="matchExpression"
										class="input"
										placeholder="Expression, // for RegExp"
									>
								</form>
							</template>
						</Tooltip>
					</ul>
				</div>
			</div>

			<div class="dialog-section">
				<h3 class="dialog-heading">Then</h3>

				<label class="alert-label">
					<Checkbox
						:checked="notify"
						@change="checked => notify = checked"
					/>Notify me in traxxx
				</label>

				<!--
				<label class="alert-label">
					<Checkbox
						:checked="email"
						@change="checked => email = checked"
					/>Send me an e-mail
				</label>
				-->

				<div class="stashes-container">
					<ul class="stashes nolist">
						<li
							v-for="stash in stashes"
							:key="`stash-${stash.id}`"
							class="stash"
						>{{ stash.name }}

							<Icon
								icon="cross3"
								class="remove"
								@click.native="removeStash(stash)"
							/>
						</li>

						<Tooltip>
							<li class="stash placeholder">
								Add to stash
								<Icon
									icon="plus3"
									class="add"
								/>
							</li>

							<template #tooltip>
								<Search
									content="stashes"
									@select="stash => addStash(stash)"
								/>
							</template>
						</Tooltip>
					</ul>
				</div>
			</div>

			<div class="dialog-actions right">
				<button
					:disabled="actors.length === 0 && tags.length === 0 && !entity && matches.length === 0"
					type="submit"
					class="button button-primary"
				>Add alert</button>
			</div>
		</form>
	</Dialog>
</template>

<script>
import ActorPreview from '../actors/preview.vue';
import Entity from '../entities/tile.vue';
import Checkbox from '../form/checkbox.vue';
import Search from './search.vue';

async function addAlert() {
	this.error = null;

	try {
		await this.$store.dispatch('addAlert', {
			actors: this.actors.map((actor) => actor.id),
			tags: this.tags.map((tag) => tag.id),
			matches: this.matches,
			entity: this.entity?.id,
			notify: this.notify,
			email: this.email,
			stashes: this.stashes.map((stash) => stash.id),
		});

		this.$emit('close', true);
	} catch (error) {
		this.error = error.message;
	}
}

function addActor(actor) {
	if (!this.actors.some((selectedActor) => selectedActor.id === actor.id)) {
		this.actors = this.actors.concat(actor);
	}

	this.events.emit('blur');
}

function addEntity(entity) {
	this.entity = entity;
	this.events.emit('blur');
}

function addTag(tag) {
	if (!this.tags.some((selectedTag) => selectedTag.id === tag.id)) {
		this.tags = this.tags.concat(tag);
	}

	this.events.emit('blur');
}

function removeActor(actor) {
	this.actors = this.actors.filter((listedActor) => listedActor.id !== actor.id);
}

function removeEntity() {
	this.entity = null;
}

function removeTag(tag) {
	this.tags = this.tags.filter((listedTag) => listedTag.id !== tag.id);
}

function addMatch() {
	if (!this.matchExpression) {
		return;
	}

	this.matches = this.matches.concat({
		property: this.matchProperty,
		expression: this.matchExpression,
	});

	this.matchProperty = 'title';
	this.matchExpression = null;

	this.events.emit('blur');
}

function removeMatch(removeIndex) {
	this.matches = this.matches.filter((match, matchIndex) => matchIndex !== removeIndex);
}

function addStash(stash) {
	if (!this.stashes.some((selectedStash) => selectedStash.id === stash.id)) {
		this.stashes = this.stashes.concat(stash);
	}

	this.events.emit('blur');
}

function removeStash(stash) {
	this.stashes = this.stashes.filter((listedStash) => listedStash.id !== stash.id);
}

export default {
	components: {
		ActorPreview,
		Checkbox,
		Entity,
		Search,
	},
	emits: ['close'],
	data() {
		return {
			error: null,
			actors: [],
			tags: [],
			entity: null,
			matches: [],
			matchProperty: 'title',
			matchExpression: null,
			notify: true,
			email: false,
			stashes: [],
			availableStashes: this.$store.state.auth.user.stashes,
		};
	},
	methods: {
		addActor,
		addAlert,
		addEntity,
		addMatch,
		addTag,
		addStash,
		removeActor,
		removeEntity,
		removeMatch,
		removeTag,
		removeStash,
	},
};
</script>

<style lang="scss" scoped>
.dialog-section {
	width: 30rem;
	max-width: 100%;

	&:first-child {
		border-bottom: solid 1px var(--shadow-hint);
		margin: 0 0 1rem 0;
	}
}

.dialog-heading {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin: 0 0 .25rem 0;
	color: var(--primary);
}

.dialog-description {
	color: var(--shadow);
	font-size: .9rem;
	font-weight: normal;
}

.dialog-error {
	padding: 1rem;
	margin-bottom: 1rem;
	background: var(--error);
	color: var(--text-light);
	font-weight: bold;
	text-align: center;
}

.alert-heading {
	margin: .75rem 0 .25rem 0;
}

.actors,
.entities,
.tags {
	display: flex;
	align-items: center;
	flex-wrap: wrap;
	font-size: 0;
}

.match {
	display: flex;
	align-items: center;
	padding: .25rem 0;
	font-family: inherit;

	.remove {
		position: relative;
		top: -.1rem;
		right: 0;
	}
}

.match-property {
	text-transform: capitalize;
	color: var(--shadow);
}

.match-expression {
	flex-grow: 1;
}

.match-slash {
	padding: 0 .1rem;
	color: var(--primary);
	font-weight: bold;
}

.actors > .actor,
.entity,
.tag,
.stash {
	position: relative;
	font-size: 1rem;
	margin: 0 .5rem .5rem 0;
}

.entity .tile {
	width: 10rem;
	height: 2.5rem;
}

.tag:not(.placeholder),
.stash:not(.placeholder) {
	padding: .5rem .75rem;
	border: solid 1px var(--shadow-hint);
	margin: 0 .75rem 0 0;
	font-size: .9rem;
	font-weight: bold;
}

.stashes {
	margin: 0 0 0 .25rem;
	color: var(--text);
}

.pattern-tooltip {
	display: flex;
	gap: .5rem;
	position: relative;
	padding: .5rem;
	overflow: hidden;
}

.remove {
	width: 1rem;
	height: 1rem;
	position: absolute;
	top: -.35rem;
	right: -.35rem;
	z-index: 1;
	border: solid 1px var(--darken-hint);
	border-radius: 50%;
	background: var(--background);
	fill: var(--shadow-weak);
	box-shadow: 0 0 1px var(--shadow);

	&:hover {
		fill: var(--text-light);
		background: var(--primary);
		border: solid 1px var(--primary);
		cursor: pointer;
	}
}

.placeholder {
	display: inline-flex;
	align-items: center;
	color: var(--shadow-strong);
	padding: .75rem 0;
	margin: 0 0 .5rem 0;
	font-size: 1rem;

	.add {
		fill: var(--shadow);
		margin: 0 0 0 .5rem;
	}

	&:hover {
		color: var(--primary);
		cursor: pointer;

		.add {
			fill: var(--primary);
		}
	}
}

.alert-label {
	display: flex;
	align-items: center;
	padding: .5rem 0;
	margin: 0 0 .25rem 0;
	cursor: pointer;
}

.stashes-heading {
	display: flex;
	align-items: center;
	margin: 0 0 .5rem 0;
	font-size: 1rem;

	.alert-label {
		display: inline-block;
		margin: 0;
	}
}

.tooltip-container {
	display: inline-block;
}

.check-container {
	display: inline-block;
	margin: 0 .5rem 0 0;
}
</style>
