import assert from "node:assert/strict";
import { readFile } from "node:fs/promises";
import test from "node:test";

const sources = Promise.all([
	readFile("ui/src/App.tsx", "utf8"),
	readFile("ui/src/workspace/reducer.ts", "utf8"),
	readFile("ui/src/workspace/useWorkspace.ts", "utf8"),
	readFile("ui/src/workspace/persistence.ts", "utf8"),
	readFile("ui/src/App.css", "utf8"),
]);

test("wires the desktop to stable runtime workspace APIs", async () => {
	const [app, reducer, hook] = await sources;
	for (const operation of [
		"create_session_runtime",
		"open_session_runtime",
		"close_session_runtime",
		"list_directory_sessions",
		"get_session_runtime_snapshot",
		"renew_session",
		"subscribe_workspace",
	])
		assert.match(`${app}\n${hook}`, new RegExp(operation));
	assert.doesNotMatch(app, /switch_session/);
	assert.doesNotMatch(app, /["']new_session["']/);
	assert.match(reducer, /WorkspaceState\["runtimesById"\]/);
	assert.match(reducer, /requestGeneration/);
	assert.match(reducer, /loadedThroughSeq/);
});

test("keeps presentation persistence allowlisted and agent IDs ephemeral", async () => {
	const [, , , persistence] = await sources;
	assert.match(persistence, /load_ui_state/);
	assert.match(persistence, /save_ui_state/);
	assert.match(persistence, /directoryOrder/);
	assert.match(persistence, /drafts/);
	assert.doesNotMatch(persistence, /agentId/);
	assert.doesNotMatch(persistence, /messages/);
	assert.doesNotMatch(persistence, /extensions/);
});

test("renders directory sidebar, accessible session tabs, warnings, and reduced motion", async () => {
	const [app, , , , css] = await sources;
	const [sidebar, tabs] = await Promise.all([
		readFile("ui/src/components/DirectorySidebar.tsx", "utf8"),
		readFile("ui/src/components/SessionTabs.tsx", "utf8"),
	]);
	assert.match(sidebar, /aria-label="Directories"/);
	assert.match(tabs, /role="tablist"/);
	assert.match(tabs, /role="tab"/);
	assert.match(tabs, /aria-selected/);
	assert.match(tabs, /ArrowRight/);
	assert.match(app, /Multiple sessions are open in the same directory/);
	assert.match(app, /Many Pi sessions are open/);
	assert.match(css, /prefers-reduced-motion/);
	assert.match(css, /grid-template-columns:\s*178px minmax\(0, 1fr\)/);
	assert.match(
		css,
		/\.session-row-content\s*>\s*strong\s*\{[^}]*color:\s*#f1f3f4/s,
	);
});

test("preserves native session naming, compaction, composer, and extension responses", async () => {
	const [app] = await sources;
	const [conversation, extension] = await Promise.all([
		readFile("ui/src/components/ConversationWorkspace.tsx", "utf8"),
		readFile("ui/src/components/ExtensionDialog.tsx", "utf8"),
	]);
	assert.match(app, /set_session_name/);
	assert.match(app, /compact/);
	assert.match(app, /submit_prompt/);
	assert.match(app, /respond_to_extension/);
	assert.match(conversation, /event\.key === "Enter" && !event\.shiftKey/);
	assert.match(conversation, /className="todos-pane"/);
	assert.match(extension, /<dialog/);
	assert.match(extension, /showModal\(\)/);
	assert.match(extension, /onCancel=/);
});

test("configures native window behavior and folder dialog capabilities", async () => {
	const [config, capability, cargo] = await Promise.all([
		readFile("ui/src-tauri/tauri.conf.json", "utf8"),
		readFile("ui/src-tauri/capabilities/default.json", "utf8"),
		readFile("ui/src-tauri/Cargo.toml", "utf8"),
	]);
	assert.match(config, /"width"\s*:\s*1100/);
	assert.match(capability, /core:window:allow-start-dragging/);
	assert.match(cargo, /tauri-plugin-single-instance/);
	assert.match(cargo, /tauri-plugin-dialog/);
});