<!--
SPDX-FileCopyrightText: syuilo and misskey-project
SPDX-License-Identifier: AGPL-3.0-only
-->

<template>
<MkWindow
	ref="windowEl"
	:initialWidth="500"
	:initialHeight="500"
	:canResize="true"
	:closeButton="true"
	:buttonsLeft="buttonsLeft"
	:buttonsRight="buttonsRight"
	:contextmenu="contextmenu"
	@closed="emit('closed')"
>
	<template #header>
		<template v-if="pageMetadata">
			<i v-if="pageMetadata.icon" :class="pageMetadata.icon" style="margin-right: 0.5em;"></i>
			<span><MkUserName v-if="pageMetadata.userName?.name" :user="pageMetadata.userName" />{{ pageMetadata.title }}</span>
		</template>
	</template>

	<div :class="$style.root" class="_forceShrinkSpacer">
		<StackingRouterView v-if="prefer.s['experimental.stackingRouterView']" :key="reloadCount" :router="windowRouter"/>
		<RouterView v-else :key="reloadCount" :router="windowRouter"/>
	</div>
</MkWindow>
</template>

<script lang="ts" setup>
import { computed, onMounted, onUnmounted, provide, ref, useTemplateRef } from 'vue';
import { webUrl } from '@@/js/config.js';
import type { PageMetadata } from '@/page.js';
import MkUserName from './global/MkUserName.vue';
import RouterView from '@/components/global/RouterView.vue';
import MkWindow from '@/components/MkWindow.vue';
import { popout as _popout } from '@/utility/popout.js';
import { copyToClipboard } from '@/utility/copy-to-clipboard.js';
import { i18n } from '@/i18n.js';
import { provideMetadataReceiver, provideReactiveMetadata } from '@/page.js';
import { openingWindowsCount } from '@/os.js';
import { claimAchievement } from '@/utility/achievements.js';
import { createRouter, mainRouter } from '@/router.js';
import { DI } from '@/di.js';
import { prefer } from '@/preferences.js';

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

const emit = defineEmits<{
	(ev: 'closed'): void;
}>();

const windowRouter = createRouter(props.initialPath);

const pageMetadata = ref<null | PageMetadata>(null);
const windowEl = useTemplateRef('windowEl');
const history = ref<{ path: string; }[]>([{
	path: windowRouter.getCurrentFullPath(),
}]);
const buttonsLeft = computed(() => {
	const buttons: Record<string, unknown>[] = [];

	if (history.value.length > 1) {
		buttons.push({
			icon: 'ti ti-arrow-left',
			onClick: back,
		});
	}

	return buttons;
});
const buttonsRight = computed(() => {
	const buttons = [{
		icon: 'ti ti-reload',
		title: i18n.ts.reload,
		onClick: reload,
	}, {
		icon: 'ti ti-player-eject',
		title: i18n.ts.showInPage,
		onClick: expand,
	}];

	return buttons;
});
const reloadCount = ref(0);

function getSearchMarker(path: string) {
	const hash = path.split('#')[1];
	if (hash == null) return null;
	return hash;
}

const searchMarkerId = ref<string | null>(getSearchMarker(props.initialPath));

windowRouter.addListener('push', ctx => {
	history.value.push({ path: ctx.fullPath });
});

windowRouter.addListener('replace', ctx => {
	history.value.pop();
	history.value.push({ path: ctx.fullPath });
});

windowRouter.addListener('change', ctx => {
	if (_DEV_) console.debug('windowRouter: change', ctx.fullPath);
	searchMarkerId.value = getSearchMarker(ctx.fullPath);
});

windowRouter.init();

provide(DI.router, windowRouter);
provide(DI.inAppSearchMarkerId, searchMarkerId);
provideMetadataReceiver((metadataGetter) => {
	const info = metadataGetter();
	pageMetadata.value = info;
});
provideReactiveMetadata(pageMetadata);
provide('shouldOmitHeaderTitle', true);
provide('shouldHeaderThin', true);
provide('shouldBackButton', false);

const contextmenu = computed(() => ([{
	icon: 'ti ti-player-eject',
	text: i18n.ts.showInPage,
	action: expand,
}, {
	icon: 'ti ti-window-maximize',
	text: i18n.ts.popout,
	action: popout,
}, {
	icon: 'ti ti-external-link',
	text: i18n.ts.openInNewTab,
	action: () => {
		window.open(webUrl + windowRouter.getCurrentFullPath(), '_blank', 'noopener');
		windowEl.value?.close();
	},
}, {
	icon: 'ti ti-link',
	text: i18n.ts.copyLink,
	action: () => {
		copyToClipboard(webUrl + windowRouter.getCurrentFullPath());
	},
}]));

function back() {
	history.value.pop();
	windowRouter.replace(history.value.at(-1)!.path);
}

function reload() {
	reloadCount.value++;
}

function close() {
	windowEl.value?.close();
}

function expand() {
	mainRouter.push(windowRouter.getCurrentFullPath(), 'forcePage');
	windowEl.value?.close();
}

function popout() {
	_popout(windowRouter.getCurrentFullPath(), windowEl.value?.$el);
	windowEl.value?.close();
}

onMounted(() => {
	openingWindowsCount.value++;
	if (openingWindowsCount.value >= 3) {
		claimAchievement('open3windows');
	}
});

onUnmounted(() => {
	openingWindowsCount.value--;
});

defineExpose({
	close,
});
</script>

<style lang="scss" module>
.root {
	height: 100%;
	background: var(--MI_THEME-bg);

	--MI-margin: var(--MI-marginHalf);
}
</style>
