import { describe, it, expect, beforeAll, afterAll, afterEach } from '@jest/globals';
import {
	createRoom,
	deleteAllRooms,
	assertEmptyRooms,
	getRooms,
	startTestServer,
	stopTestServer,
	assertSuccessRoomsResponse
} from '../../../utils/helpers.js';
import ms from 'ms';

describe('OpenVidu Meet Room API Tests', () => {
	const validAutoDeletionDate = Date.now() + ms('2h');

	beforeAll(async () => {
		await startTestServer();
	});

	afterAll(async () => {
		await stopTestServer();
	});

	afterEach(async () => {
		// Remove all rooms created
		await deleteAllRooms();
	});

	describe('List Rooms Tests', () => {
		it('should return an empty list of rooms', async () => {
			await assertEmptyRooms();
		});

		it('should return a list of rooms', async () => {
			await assertEmptyRooms();

			await createRoom({
				roomIdPrefix: 'test-room'
			});

			const response = await getRooms();
			const { rooms } = response.body;

			assertSuccessRoomsResponse(response, 1, 10, false, false);
			expect(rooms[0].roomId).toBeDefined();
			expect(rooms[0].roomId).toContain('test-room');
			expect(rooms[0].creationDate).toBeDefined();
			expect(rooms[0].roomIdPrefix).toBeDefined();
			expect(rooms[0].autoDeletionDate).not.toBeDefined();
			expect(rooms[0].preferences).toBeDefined();
			expect(rooms[0].moderatorRoomUrl).toBeDefined();
			expect(rooms[0].publisherRoomUrl).toBeDefined();
		});

		it('should return a list of rooms applying fields filter', async () => {
			await assertEmptyRooms();

			await createRoom({
				roomIdPrefix: 'test-room',
				autoDeletionDate: validAutoDeletionDate
			});

			const response = await getRooms({ fields: 'roomId,createdAt' });
			const { rooms } = response.body;

			assertSuccessRoomsResponse(response, 1, 10, false, false);

			expect(rooms[0].roomId).toBeDefined();
			expect(rooms[0].roomId).toContain('test-room');

			expect(rooms[0].creationDate).not.toBeDefined();
			expect(rooms[0].roomIdPrefix).not.toBeDefined();
			//CreatedAt does not exist in the room
			expect(rooms[0].createdAt).not.toBeDefined();
			expect(rooms[0].autoDeletionDate).not.toBeDefined();
			expect(rooms[0].preferences).not.toBeDefined();
			expect(rooms[0].moderatorRoomUrl).not.toBeDefined();
			expect(rooms[0].publisherRoomUrl).not.toBeDefined();
		});

		it('should return a list of rooms with pagination', async () => {
			await assertEmptyRooms();
			const promises = [1, 2, 3, 4, 5, 6].map((i) => {
				return createRoom({
					roomIdPrefix: `test-room-${i}`,
					autoDeletionDate: validAutoDeletionDate
				});
			});
			await Promise.all(promises);

			let response = await getRooms({ maxItems: 3 });
			const { pagination } = response.body;

			assertSuccessRoomsResponse(response, 3, 3, true, true);

			const nextPageToken = pagination.nextPageToken;
			response = await getRooms({ maxItems: 3, nextPageToken });

			assertSuccessRoomsResponse(response, 3, 3, false, false);
		});

		it('should capped maxItems to the maximum allowed', async () => {
			const response = await getRooms({ maxItems: 101 });

			assertSuccessRoomsResponse(response, 0, 100, false, false);
		});

		it('should coerce a floating number to an integer for maxItems', async () => {
			const response = await getRooms({ maxItems: 12.78 });

			assertSuccessRoomsResponse(response, 0, 12, false, false);
		});
	});

	describe('List Room Validation failures', () => {
		it('should fail when maxItems is not a number', async () => {
			const response = await getRooms({ maxItems: 'not-a-number' });

			expect(response.status).toBe(422);
			expect(response.body.error).toContain('Unprocessable Entity');
			// Check that the error details mention an invalid number.
			expect(JSON.stringify(response.body.details)).toContain('Expected number, received nan');
		});

		it('should fail when maxItems is negative', async () => {
			const response = await getRooms({ maxItems: -1 });

			expect(response.status).toBe(422);
			expect(response.body.error).toContain('Unprocessable Entity');
			expect(JSON.stringify(response.body.details)).toContain('positive number');
		});

		it('should fail when maxItems is zero', async () => {
			const response = await getRooms({ maxItems: 0 });

			expect(response.status).toBe(422);
			expect(response.body.error).toContain('Unprocessable Entity');
			expect(JSON.stringify(response.body.details)).toContain('positive number');
		});

		it('should fail when fields is not a string', async () => {
			const response = await getRooms({ fields: { invalid: 'data' } });
			expect(response.status).toBe(422);
			expect(response.body.error).toContain('Unprocessable Entity');
			expect(JSON.stringify(response.body.details)).toContain('Expected string');
		});
	});
});