<template>
<div>
	<div class="backdrop" ref="backdrop" @click="close"></div>
	<div class="popover" :class="{ compact }" ref="popover">
		<p v-if="!compact">{{ title }}</p>
		<div>
			<button @click="react('like')" @mouseover="onMouseover" @mouseout="onMouseout" tabindex="1" title="%i18n:common.reactions.like%"><mk-reaction-icon reaction='like'/></button>
			<button @click="react('love')" @mouseover="onMouseover" @mouseout="onMouseout" tabindex="2" title="%i18n:common.reactions.love%"><mk-reaction-icon reaction='love'/></button>
			<button @click="react('laugh')" @mouseover="onMouseover" @mouseout="onMouseout" tabindex="3" title="%i18n:common.reactions.laugh%"><mk-reaction-icon reaction='laugh'/></button>
			<button @click="react('hmm')" @mouseover="onMouseover" @mouseout="onMouseout" tabindex="4" title="%i18n:common.reactions.hmm%"><mk-reaction-icon reaction='hmm'/></button>
			<button @click="react('surprise')" @mouseover="onMouseover" @mouseout="onMouseout" tabindex="5" title="%i18n:common.reactions.surprise%"><mk-reaction-icon reaction='surprise'/></button>
			<button @click="react('congrats')" @mouseover="onMouseover" @mouseout="onMouseout" tabindex="6" title="%i18n:common.reactions.congrats%"><mk-reaction-icon reaction='congrats'/></button>
			<button @click="react('angry')" @mouseover="onMouseover" @mouseout="onMouseout" tabindex="4" title="%i18n:common.reactions.angry%"><mk-reaction-icon reaction='angry'/></button>
			<button @click="react('confused')" @mouseover="onMouseover" @mouseout="onMouseout" tabindex="5" title="%i18n:common.reactions.confused%"><mk-reaction-icon reaction='confused'/></button>
			<button @click="react('pudding')" @mouseover="onMouseover" @mouseout="onMouseout" tabindex="6" title="%i18n:common.reactions.pudding%"><mk-reaction-icon reaction='pudding'/></button>
		</div>
	</div>
</div>
</template>

<script lang="typescript">
	import anime from 'animejs';
	import api from '../scripts/api';
	import MkReactionIcon from './reaction-icon.vue';

	const placeholder = '%i18n:common.tags.mk-reaction-picker.choose-reaction%';

	export default {
		components: {
			MkReactionIcon
		},
		props: ['post', 'source', 'compact', 'cb'],
		data() {
			return {
				title: placeholder
			};
		},
		created() {
			const rect = this.source.getBoundingClientRect();
			const width = this.$refs.popover.offsetWidth;
			const height = this.$refs.popover.offsetHeight;
			if (this.compact) {
				const x = rect.left + window.pageXOffset + (this.source.offsetWidth / 2);
				const y = rect.top + window.pageYOffset + (this.source.offsetHeight / 2);
				this.$refs.popover.style.left = (x - (width / 2)) + 'px';
				this.$refs.popover.style.top = (y - (height / 2)) + 'px';
			} else {
				const x = rect.left + window.pageXOffset + (this.source.offsetWidth / 2);
				const y = rect.top + window.pageYOffset + this.source.offsetHeight;
				this.$refs.popover.style.left = (x - (width / 2)) + 'px';
				this.$refs.popover.style.top = y + 'px';
			}

			anime({
				targets: this.$refs.backdrop,
				opacity: 1,
				duration: 100,
				easing: 'linear'
			});

			anime({
				targets: this.$refs.popover,
				opacity: 1,
				scale: [0.5, 1],
				duration: 500
			});
		},
		methods: {
			react(reaction) {
				api('posts/reactions/create', {
					post_id: this.post.id,
					reaction: reaction
				}).then(() => {
					if (this.cb) this.cb();
					this.$destroy();
				});
			},
			onMouseover(e) {
				this.title = e.target.title;
			},
			onMouseout(e) {
				this.title = placeholder;
			},
			close() {
				this.$refs.backdrop.style.pointerEvents = 'none';
				anime({
					targets: this.$refs.backdrop,
					opacity: 0,
					duration: 200,
					easing: 'linear'
				});

				this.$refs.popover.style.pointerEvents = 'none';
				anime({
					targets: this.$refs.popover,
					opacity: 0,
					scale: 0.5,
					duration: 200,
					easing: 'easeInBack',
					complete: () => this.$destroy()
				});
			}
		}
	};
</script>

<style lang="stylus" scoped>
	$border-color = rgba(27, 31, 35, 0.15)

	:scope
		display block
		position initial

		> .backdrop
			position fixed
			top 0
			left 0
			z-index 10000
			width 100%
			height 100%
			background rgba(0, 0, 0, 0.1)
			opacity 0

		> .popover
			position absolute
			z-index 10001
			background #fff
			border 1px solid $border-color
			border-radius 4px
			box-shadow 0 3px 12px rgba(27, 31, 35, 0.15)
			transform scale(0.5)
			opacity 0

			$balloon-size = 16px

			&:not(.compact)
				margin-top $balloon-size
				transform-origin center -($balloon-size)

				&:before
					content ""
					display block
					position absolute
					top -($balloon-size * 2)
					left s('calc(50% - %s)', $balloon-size)
					border-top solid $balloon-size transparent
					border-left solid $balloon-size transparent
					border-right solid $balloon-size transparent
					border-bottom solid $balloon-size $border-color

				&:after
					content ""
					display block
					position absolute
					top -($balloon-size * 2) + 1.5px
					left s('calc(50% - %s)', $balloon-size)
					border-top solid $balloon-size transparent
					border-left solid $balloon-size transparent
					border-right solid $balloon-size transparent
					border-bottom solid $balloon-size #fff

			> p
				display block
				margin 0
				padding 8px 10px
				font-size 14px
				color #586069
				border-bottom solid 1px #e1e4e8

			> div
				padding 4px
				width 240px
				text-align center

				> button
					width 40px
					height 40px
					font-size 24px
					border-radius 2px

					&:hover
						background #eee

					&:active
						background $theme-color
						box-shadow inset 0 0.15em 0.3em rgba(27, 31, 35, 0.15)

</style>