import { fileURLToPath } from "node:url";
import { afterEach, describe, expect, it, vi } from "vitest";
import {
	createPiSession,
	type PiSession,
} from "../../../test/fixture/create-pi-session.ts";

let session: PiSession | undefined;

afterEach(async () => {
	await session?.dispose();
	session = undefined;
	vi.unstubAllEnvs();
	vi.unstubAllGlobals();
});

function bakPath(): string {
	return fileURLToPath(new URL("../index.ts", import.meta.url));
}

describe("bak contract", () => {
	it("performs no remote work during session startup", async () => {
		vi.stubEnv("PI_BAK_S3_ENDPOINT", "https://example.invalid");
		vi.stubEnv("PI_BAK_S3_ACCESS_KEY_ID", "id");
		vi.stubEnv("PI_BAK_S3_SECRET_ACCESS_KEY", "secret");
		const fetch = vi.fn();
		vi.stubGlobal("fetch", fetch);

		session = await createPiSession({ extensionPaths: [bakPath()] });
		await new Promise((resolve) => setTimeout(resolve, 20));

		expect(fetch).not.toHaveBeenCalled();
	});

	it("loads through Pi and registers the bak command", async () => {
		session = await createPiSession({ extensionPaths: [bakPath()] });
		const extension = session.extensions[0];
		const command = extension?.commands.get("bak");

		expect(session.extensions).toHaveLength(1);
		expect(command).toBeDefined();
		expect(command?.getArgumentCompletions?.("res")).toEqual([
			{ value: "restore", label: "restore" },
		]);
	});
});