<template>
	<MkStickyContainer>
		<template #header
			><MkPageHeader :actions="headerActions" :tabs="headerTabs"
		/></template>
		<MkSpacer :content-max="800" :margin-min="16" :margin-max="32">
			<FormSuspense :p="init" class="_formRoot">
				<FormInput v-model="title" class="_formBlock">
					<template #label>{{ i18n.ts.title }}</template>
				</FormInput>

				<FormTextarea v-model="description" :max="500" class="_formBlock">
					<template #label>{{ i18n.ts.description }}</template>
				</FormTextarea>

				<div class="_formBlock">
					<div
						v-for="file in files"
						:key="file.id"
						class="wqugxsfx _formBlock"
						:style="{
							backgroundImage: file
								? `url(${file.thumbnailUrl})`
								: null,
						}"
					>
						<div class="name">{{ file.name }}</div>
						<button
							v-tooltip="i18n.ts.remove"
							class="remove _button"
							@click="remove(file)"
							:aria-label="i18n.t('remove')"
						>
							<i class="ph-x ph-bold ph-lg"></i>
						</button>
					</div>
					<FormButton primary @click="selectFile"
						><i class="ph-plus ph-bold ph-lg"></i>
						{{ i18n.ts.attachFile }}</FormButton
					>
				</div>

				<FormSwitch v-model="isSensitive" class="_formBlock">{{
					i18n.ts.markAsSensitive
				}}</FormSwitch>

				<FormButton v-if="postId" primary @click="save" class="_formBlock"
					><i class="ph-floppy-disk-back ph-bold ph-lg"></i>
					{{ i18n.ts.save }}</FormButton
				>
				<FormButton v-else primary @click="save" class="_formBlock"
					><i class="ph-floppy-disk-back ph-bold ph-lg"></i>
					{{ i18n.ts.publish }}</FormButton
				>

				<FormButton v-if="postId" danger @click="del" class="_formBlock"
					><i class="ph-trash ph-bold ph-lg"></i>
					{{ i18n.ts.delete }}</FormButton
				>
			</FormSuspense>
		</MkSpacer>
	</MkStickyContainer>
</template>

<script lang="ts" setup>
import { computed, inject, watch } from "vue";
import FormButton from "@/components/MkButton.vue";
import FormInput from "@/components/form/input.vue";
import FormTextarea from "@/components/form/textarea.vue";
import FormSwitch from "@/components/form/switch.vue";
import FormSuspense from "@/components/form/suspense.vue";
import { selectFiles } from "@/scripts/select-file";
import * as os from "@/os";
import { useRouter } from "@/router";
import { definePageMetadata } from "@/scripts/page-metadata";
import { i18n } from "@/i18n";

const router = useRouter();

const props = defineProps<{
	postId?: string;
}>();

let init = $ref(null);
let files = $ref([]);
let description = $ref(null);
let title = $ref(null);
let isSensitive = $ref(false);

function selectFile(evt) {
	selectFiles(evt.currentTarget ?? evt.target, null).then((selected) => {
		files = files.concat(selected);
	});
}

function remove(file) {
	files = files.filter((f) => f.id !== file.id);
}

async function save() {
	if (props.postId) {
		await os.apiWithDialog("gallery/posts/update", {
			postId: props.postId,
			title: title,
			description: description,
			fileIds: files.map((file) => file.id),
			isSensitive: isSensitive,
		});
		router.push(`/gallery/${props.postId}`);
	} else {
		const created = await os.apiWithDialog("gallery/posts/create", {
			title: title,
			description: description,
			fileIds: files.map((file) => file.id),
			isSensitive: isSensitive,
		});
		router.push(`/gallery/${created.id}`);
	}
}

async function del() {
	const { canceled } = await os.confirm({
		type: "warning",
		text: i18n.ts.deleteConfirm,
	});
	if (canceled) return;
	await os.apiWithDialog("gallery/posts/delete", {
		postId: props.postId,
	});
	router.push("/gallery");
}

watch(
	() => props.postId,
	() => {
		init = () =>
			props.postId
				? os
						.api("gallery/posts/show", {
							postId: props.postId,
						})
						.then((post) => {
							files = post.files;
							title = post.title;
							description = post.description;
							isSensitive = post.isSensitive;
						})
				: Promise.resolve(null);
	},
	{ immediate: true },
);

const headerActions = $computed(() => []);

const headerTabs = $computed(() => []);

definePageMetadata(
	computed(() =>
		props.postId
			? {
					title: i18n.ts.edit,
					icon: "ph-pencil ph-bold ph-lg",
			  }
			: {
					title: i18n.ts.postToGallery,
					icon: "ph-pencil ph-bold ph-lg",
			  },
	),
);
</script>

<style lang="scss" scoped>
.wqugxsfx {
	height: 200px;
	background-size: contain;
	background-position: center;
	background-repeat: no-repeat;
	position: relative;

	> .name {
		position: absolute;
		top: 8px;
		left: 9px;
		padding: 8px;
		background: var(--panel);
	}

	> .remove {
		position: absolute;
		top: 8px;
		right: 9px;
		padding: 8px;
		background: var(--panel);
	}
}
</style>
