{{/* This page should only depend the minimal template functions/variables, to avoid triggering new panics.
* base template functions: AppName, AssetUrlPrefix, AssetVersion, AppSubUrl, ThemeName
* ctx.Locale
* .Flash
* .ErrorMsg
* .SignedUser (optional)
*/}}
<!DOCTYPE html>
<html lang="{{ctx.Locale.Lang}}" data-theme="{{ThemeName .SignedUser}}">
<head>
	<meta name="viewport" content="width=device-width, initial-scale=1">
	<title>Internal Server Error - {{AppName}}</title>
	<link rel="icon" href="{{AssetUrlPrefix}}/img/favicon.svg" type="image/svg+xml">
	<link rel="alternate icon" href="{{AssetUrlPrefix}}/img/favicon.png" type="image/png">
	{{template "base/head_style" .}}
</head>
<body>
	<div class="full height">
		<nav class="ui secondary menu">
			<div class="ui container tw-flex">
				<div class="item tw-flex-1">
					<a href="{{AppSubUrl}}/" aria-label="{{ctx.Locale.Tr "home"}}">
						<img width="30" height="30" src="{{AssetUrlPrefix}}/img/logo.svg" alt="{{ctx.Locale.Tr "logo"}}" aria-hidden="true">
					</a>
				</div>
				<div class="item">
					<button class="ui icon button disabled">{{svg "octicon-three-bars"}}</button>{{/* a fake button to make the UI looks better*/}}
				</div>
			</div>
		</nav>
		<div class="divider tw-my-0"></div>
		<div role="main" class="page-content status-page-500">
			<div class="ui container" >
				<style> .ui.message.flash-message { text-align: left; } </style>
				{{template "base/alert" .}}
			</div>
			<p class="tw-mt-8 center"><img src="{{AssetUrlPrefix}}/img/500.png" alt="Internal Server Error"></p>
			<div class="divider"></div>
			<div class="ui container tw-my-8">
				{{if .ErrorMsg}}
					<p>{{ctx.Locale.Tr "error.occurred"}}:</p>
					<pre class="tw-whitespace-pre-wrap tw-break-all">{{.ErrorMsg}}</pre>
				{{end}}
				<div class="center tw-mt-8">
					{{if or .SignedUser.IsAdmin .ShowFooterVersion}}<p>{{ctx.Locale.Tr "admin.config.app_ver"}}: {{AppVer}}</p>{{end}}
					{{if .SignedUser.IsAdmin}}<p>{{ctx.Locale.Tr "error.report_message"}}</p>{{end}}
				</div>
			</div>
		</div>
	</div>

	{{/* When a sub-template triggers an 500 error, its parent template has been partially rendered, then the 500 page
		will be rendered after that partially rendered page, the HTML/JS are totally broken. Use this inline script to try to move it to main viewport.
		And this page shouldn't include any other JS file, avoid duplicate JS execution (still due to the partial rendering).*/}}
	<script type="module">
		const embedded = document.querySelector('.page-content .page-content.status-page-500');
		if (embedded) {
			// move the 500 error page content to main view
			const embeddedParent = embedded.parentNode;
			let main = document.querySelector('.page-content');
			main = main ?? document.querySelector('body');
			main.prepend(document.createElement('hr'));
			main.prepend(embedded);
			embeddedParent.remove(); // remove the unrelated 500-page elements (eg: the duplicate nav bar)
		}
	</script>
</body>
</html>
