/**
 * Dev-only smoke check for the extension wiring (no pi runtime needed):
 * run: `npm run selfcheck` (node --experimental-strip-types).
 *
 * Verifies /peak registration, widget install on session_start, widget
 * teardown on session_shutdown, and /peak output through both UI paths.
 */


const { default: peakHours } = await import("../src/index.ts");

type Handler = (event: unknown, ctx: unknown) => void;
const handlers: Record<string, Handler> = {};
const commands: Record<string, { description: string; handler: (args: string, ctx: unknown) => void }> = {};
const widgetCalls: Array<{ key: string; hasFactory: boolean }> = [];
const notifications: string[] = [];

const pi = {
	on: (name: string, fn: Handler) => {
		handlers[name] = fn;
	},
	registerCommand: (name: string, opts: { description: string; handler: (args: string, ctx: unknown) => void }) => {
		commands[name] = opts;
	},
} as unknown as import("@earendil-works/pi-coding-agent").ExtensionAPI;

peakHours(pi);

let failures = 0;
const check = (name: string, cond: boolean, detail = ""): void => {
	if (cond) {
		console.log(`  ok   ${name}`);
	} else {
		failures += 1;
		console.error(`  FAIL ${name}${detail ? ` — ${detail}` : ""}`);
	}
};

check("/peak command registered", typeof commands.peak?.handler === "function");
check("session_start handler registered", typeof handlers.session_start === "function");
check("session_shutdown handler registered", typeof handlers.session_shutdown === "function");

const makeCtx = (mode: string) => ({
	mode,
	hasUI: mode !== "print",
	model: { id: "glm-5.3-flash" },
	ui: {
		setWidget: (key: string, content: unknown) => {
			widgetCalls.push({ key, hasFactory: typeof content === "function" });
		},
		notify: (message: string) => {
			notifications.push(message);
		},
	},
});

await handlers.session_start({}, makeCtx("tui"));
check("widget installed on session_start", widgetCalls.some((w) => w.key === "peak-hours" && w.hasFactory));

await handlers.session_shutdown({}, makeCtx("tui"));
check("widget cleared on session_shutdown", widgetCalls.some((w) => w.key === "peak-hours" && !w.hasFactory));

commands.peak.handler("", makeCtx("tui"));
check("/peak notifies with a report", notifications.some((n) => n.includes("peak")));

let printOk = true;
try {
	commands.peak.handler("", makeCtx("print"));
} catch (error) {
	printOk = false;
	console.error("  print-mode error:", error);
}
check("/peak works without UI (console fallback)", printOk);

console.log(failures === 0 ? "\nselfcheck: all passed" : `\nselfcheck: ${failures} failed`);
process.exit(failures === 0 ? 0 : 1);