import { GlobalConfig } from '@n8n/config';

import { ActivationErrorsService } from '@/activation-errors.service';
import { CacheService } from '@/services/cache/cache.service';
import { mockInstance } from '@test/mocking';

describe('ActivationErrorsService', () => {
	const globalConfig = mockInstance(GlobalConfig, {
		cache: { backend: 'memory', memory: { maxSize: 3 * 1024 * 1024, ttl: 3600 * 1000 } },
	});
	const cacheService = new CacheService(globalConfig);
	const activationErrorsService = new ActivationErrorsService(cacheService);

	const firstWorkflowId = 'GSG0etbfTA2CNPDX';
	const secondWorkflowId = 'k2ORscMPO66K0Jk3';

	const firstErrorMsg = 'Failed to activate';
	const secondErrorMsg = 'Also failed to activate';

	afterEach(async () => {
		await activationErrorsService.clearAll();
	});

	describe('register', () => {
		test('should register an activation error for a workflow', async () => {
			await activationErrorsService.register(firstWorkflowId, firstErrorMsg);

			const activationError = await activationErrorsService.get(firstWorkflowId);

			expect(activationError).toBe(firstErrorMsg);
		});
	});

	describe('deregister', () => {
		test('should deregister an activation error for a workflow', async () => {
			await activationErrorsService.register(firstWorkflowId, firstErrorMsg);

			await activationErrorsService.deregister(firstWorkflowId);

			const activationError = await activationErrorsService.get(firstWorkflowId);

			expect(activationError).toBeNull();
		});
	});

	describe('get', () => {
		test('should retrieve an activation error for a workflow', async () => {
			await activationErrorsService.register(firstWorkflowId, firstErrorMsg);

			const activationError = await activationErrorsService.get(firstWorkflowId);

			expect(activationError).toBe(firstErrorMsg);
		});

		test('should return `null` if no activation error found for a workflow', async () => {
			const activationError = await activationErrorsService.get(firstWorkflowId);

			expect(activationError).toBeNull();
		});
	});

	describe('getAll', () => {
		test('should retrieve all activation errors', async () => {
			await activationErrorsService.register(firstWorkflowId, firstErrorMsg);
			await activationErrorsService.register(secondWorkflowId, secondErrorMsg);

			const allActivationErrors = await activationErrorsService.getAll();

			expect(allActivationErrors).toEqual({
				[firstWorkflowId]: firstErrorMsg,
				[secondWorkflowId]: secondErrorMsg,
			});
		});

		test('should return an empty object if no activation errors', async () => {
			const allActivationErrors = await activationErrorsService.getAll();

			expect(allActivationErrors).toEqual({});
		});
	});

	describe('clearAll()', () => {
		test('should clear activation errors', async () => {
			await activationErrorsService.register(firstWorkflowId, firstErrorMsg);
			await activationErrorsService.register(secondWorkflowId, secondErrorMsg);

			await activationErrorsService.clearAll();

			const allActivationErrors = await activationErrorsService.getAll();
			expect(allActivationErrors).toEqual({});
		});
	});
});
