<template>
	<div class="mrdgzndn">
		<Mfm :key="text" :text="text" :is-note="false" :i="$i" />
		<MkUrlPreview v-for="url in urls" :key="url" :url="url" class="url" />
	</div>
</template>

<script lang="ts">
import { TextBlock } from "@/scripts/hpml/block";
import { Hpml } from "@/scripts/hpml/evaluator";
import { defineAsyncComponent, defineComponent, PropType } from "vue";
import * as mfm from "mfm-js";
import { extractUrlFromMfm } from "@/scripts/extract-url-from-mfm";
export default defineComponent({
	components: {
		MkUrlPreview: defineAsyncComponent(
			() => import("@/components/MkUrlPreview.vue"),
		),
	},
	props: {
		block: {
			type: Object as PropType<TextBlock>,
			required: true,
		},
		hpml: {
			type: Object as PropType<Hpml>,
			required: true,
		},
	},
	data() {
		return {
			text: this.hpml.interpolate(this.block.text),
		};
	},
	computed: {
		urls(): string[] {
			if (this.text) {
				return extractUrlFromMfm(mfm.parse(this.text));
			} else {
				return [];
			}
		},
	},
	watch: {
		"hpml.vars": {
			handler() {
				this.text = this.hpml.interpolate(this.block.text);
			},
			deep: true,
		},
	},
});
</script>

<style lang="scss" scoped>
.mrdgzndn {
	&:not(:first-child) {
		margin-top: 0.5em;
	}
	&:not(:last-child) {
		margin-bottom: 0.5em;
	}
	> .url {
		margin: 0.5em 0;
	}
}
</style>
