<template>
<div class="mk-notes">
	<div class="_fullinfo" v-if="empty">
		<img src="https://xn--931a.moe/assets/info.jpg" class="_ghost"/>
		<div>{{ $t('noNotes') }}</div>
	</div>

	<mk-error v-if="error" @retry="init()"/>

	<div v-show="more && reversed" style="margin-bottom: var(--margin);">
		<button class="_panel _button" ref="loadMore" :disabled="moreFetching" :style="{ cursor: moreFetching ? 'wait' : 'pointer' }">
			<template v-if="!moreFetching">{{ $t('loadMore') }}</template>
			<template v-if="moreFetching"><mk-loading inline/></template>
		</button>
	</div>

	<x-list ref="notes" :items="notes" v-slot="{ item: note }" :direction="reversed ? 'up' : 'down'" :reversed="reversed">
		<x-note :note="note" :detail="detail" :key="note._featuredId_ || note._prId_ || note.id"/>
	</x-list>

	<div v-show="more && !reversed" style="margin-top: var(--margin);">
		<button class="_panel _button" ref="loadMore" :disabled="moreFetching" :style="{ cursor: moreFetching ? 'wait' : 'pointer' }">
			<template v-if="!moreFetching">{{ $t('loadMore') }}</template>
			<template v-if="moreFetching"><mk-loading inline/></template>
		</button>
	</div>
</div>
</template>

<script lang="ts">
import Vue from 'vue';
import paging from '../scripts/paging';
import XNote from './note.vue';
import XList from './date-separated-list.vue';
import MkButton from './ui/button.vue';

export default Vue.extend({
	components: {
		XNote, XList, MkButton
	},

	mixins: [
		paging({
			before: (self) => {
				self.$emit('before');
			},

			after: (self, e) => {
				self.$emit('after', e);
			}
		}),
	],

	props: {
		pagination: {
			required: true
		},

		detail: {
			type: Boolean,
			required: false,
			default: false
		},

		extract: {
			required: false
		}
	},

	computed: {
		notes(): any[] {
			return this.extract ? this.extract(this.items) : this.items;
		},

		reversed(): boolean {
			return this.pagination.reversed;
		}
	},

	methods: {
		focus() {
			this.$refs.notes.focus();
		}
	}
});
</script>