// Returns whether haystack contains needle (case-sensitive, both should be pre-lowercased)
bool str_contains(String haystack, String needle)
{
	return replace(haystack, needle, "\x01") != haystack;
}

RENDER(Request& context)
{
	String q = to_lower(trim(context.get["q"]));

	if(q.length() < 2)
	{
		return;
	}

	u32 count = 0;

	for(auto file_name : ls("pages/"))
	{
		String ft = nibble(file_name, ".");
		String name = ft;
		String badge = "";

		if(ft.substr(0, 2) == "0_")
		{
			nibble(name, "_");
			badge = "struct";
		}
		else if(ft.substr(0, 2) == "1_")
		{
			nibble(name, "_");
			badge = "directive";
		}

		String content = file_get_contents("pages/" + ft + ".txt");

		if(str_contains(to_lower(name), q) || str_contains(to_lower(content), q))
		{
			// Find first content line that contains the query for a snippet
			String snippet = "";
			for(auto line : split(content, "\n"))
			{
				String t = trim(line);
				if(t.length() > 4 && t.substr(0, 1) != ":" && str_contains(to_lower(t), q))
				{
					snippet = t;
					if(snippet.length() > 100)
						snippet = snippet.substr(0, 100) + "…";
					break;
				}
			}

			<><div class="func-item search-hit">
				<a href="index.uce?p=<?= uri_encode(ft) ?>"><?= html_escape(name) ?><? if(badge != "") { ?><span class="badge"><?= badge ?></span><? } ?></a>
				<? if(snippet != "") { ?><div class="search-snippet"><?= html_escape(snippet) ?></div><? } ?>
			</div></>

			count += 1;
		}
	}

	if(count == 0)
	{
		<><p class="no-results">No results for "<strong><?= html_escape(q) ?></strong>"</p></>
	}
}