/**
 * commands.test.ts — auto-registration wiring.
 *
 * Asserts that `registerPygieniumCommands` exposes `/pygienium-help`, one
 * `/pygienium-<check>` per registered `CheckDefinition`, plus
 * `all`/`resume`/`status`/`export` — with no index.ts changes.
 */
import { describe, expect, it, beforeEach } from "bun:test";
import {
	clearChecks,
	registerCheck,
	type CheckDefinition,
} from "../src/checks/registry.js";
import { registerPygieniumCommands } from "../src/commands.js";

function stub(name: string): CheckDefinition {
	return {
		name,
		label: name,
		description: `${name} check`,
		agentName: "scanner",
		phaseId: "scan",
		buildScanTask: () => "scan",
		buildFixTask: () => "fix",
		gate: () => undefined,
	};
}

describe("registerPygieniumCommands", () => {
	beforeEach(() => clearChecks());

	it("auto-registers one /pygienium-<check> per registered check", () => {
		registerCheck(stub("smoke"));
		registerCheck(stub("comments"));
		const names: string[] = [];
		registerPygieniumCommands((name) => names.push(name));
		expect(names).toContain("pygienium-smoke");
		expect(names).toContain("pygienium-comments");
		expect(names.filter((n) => n === "pygienium-smoke")).toHaveLength(1);
	});

	it("always registers help/all/resume/status/export", () => {
		const names: string[] = [];
		registerPygieniumCommands((name) => names.push(name));
		expect(names).toContain("pygienium-help");
		expect(names).toContain("pygienium-all");
		expect(names).toContain("pygienium-resume");
		expect(names).toContain("pygienium-status");
		expect(names).toContain("pygienium-export");
	});

	it("registers with a description matching the check definition", () => {
		registerCheck(stub("smoke"));
		const seen: Record<string, string | undefined> = {};
		registerPygieniumCommands((name, opts) => {
			seen[name] = opts.description;
		});
		expect(seen["pygienium-smoke"]).toBe("smoke check");
		expect(seen["pygienium-help"]).toBeDefined();
	});
});