#include "testlib.h"

RENDER(Request& context)
{
	u64 passed = 0;
	u64 failed = 0;
	u64 skipped = 0;

	auto check = [&](String name, bool ok, String detail)
	{
		site_tests_case(name, ok ? "pass" : "fail", detail);
		if(ok)
			passed++;
		else
			failed++;
	};

	site_tests_page_start("Core APIs", "Pure helper coverage for strings, UTF-8 splitting, DTree, and JSON encoding/decoding.");

	auto comma_parts = split("alpha,beta,gamma", ",");
	check("split()", comma_parts.size() == 3 && comma_parts[1] == "beta", join(comma_parts, " | "));

	auto spaced_parts = split_space("  one   two  three  ");
	check("split_space()", spaced_parts.size() == 3 && spaced_parts[2] == "three", join(spaced_parts, " / "));

	check("trim()", trim("  padded value  ") == "padded value", trim("  padded value  "));
	check("replace()", replace("alpha-beta-beta", "beta", "done") == "alpha-done-done", replace("alpha-beta-beta", "beta", "done"));
	check("regex_match()", regex_match("[A-Z][a-z]+", "Alice") && !regex_match("[A-Z][a-z]+", "Alice!"), "full-string validation");

	DTree regex_email = regex_search("(?<user>[A-Za-z0-9._%+-]+)@(?<host>[A-Za-z0-9.-]+)", "Contact ops@example.test");
	check("regex_search()", regex_email["matched"].to_bool() && regex_email["named"]["user"].to_string() == "ops" && regex_email["named"]["host"].to_string() == "example.test", json_encode(regex_email));

	DTree regex_tags = regex_search_all("#(?<tag>[A-Za-z0-9_]+)", "#uce #docs");
	check("regex_search_all()", regex_tags["count"].to_s64() == 2 && regex_tags["matches"]["1"]["named"]["tag"].to_string() == "docs", json_encode(regex_tags));

	check("regex_replace()", regex_replace("#([A-Za-z0-9_]+)", "<tag>$1</tag>", "#uce") == "<tag>uce</tag>", regex_replace("#([A-Za-z0-9_]+)", "<tag>$1</tag>", "#uce"));

	auto regex_parts = regex_split("\\s*,\\s*", "uce, components, markdown");
	check("regex_split()", regex_parts.size() == 3 && regex_parts[1] == "components", join(regex_parts, " | "));

	check("substr() + strpos()", strpos("component suite", "suite") == 10 && substr("component suite", 10) == "suite", "strpos=10 substr='" + substr("component suite", 10) + "'");
	check("str_starts_with()", str_starts_with("websocket-suite", "websocket"), "websocket-suite starts with websocket");
	check("str_ends_with()", str_ends_with("component.uce", ".uce"), "component.uce ends with .uce");
	check("to_lower() / to_upper()", to_lower("MiXeD") == "mixed" && to_upper("MiXeD") == "MIXED", to_lower("MiXeD") + " / " + to_upper("MiXeD"));

	String utf8_sample = "A\xC3\xA9";
	auto utf8_parts = split_utf8(utf8_sample);
	check("split_utf8()", utf8_parts.size() == 2, "count=" + std::to_string(utf8_parts.size()));

	DTree payload;
	payload["name"] = "uce";
	payload["count"] = (f64)3;
	payload["kind"] = "core";
	String payload_json = json_encode(payload);
	DTree decoded = json_decode(payload_json);
	check("json_encode() / json_decode()", decoded["name"].to_string() == "uce" && int_val(decoded["count"].to_string()) == 3, payload_json);

	DTree tree;
	tree["suite"] = "core";
	tree["nested"]["api"] = "dtree";
	tree["nested"]["ok"].set_bool(true);
	check("DTree map access", tree["suite"].to_string() == "core" && tree["nested"]["api"].to_string() == "dtree", json_encode(tree));

	site_tests_summary(passed, failed, skipped, "These assertions intentionally stay pure and side-effect free so they remain safe on the public site.");
	site_tests_page_end();
}