const request = require('supertest');
const app = require('../../app');
const { User } = require('../../models');
const { createTestUser } = require('../helpers/testUtils');

describe('Telegram Routes', () => {
    let user, agent;

    beforeEach(async () => {
        user = await createTestUser({
            email: 'test@example.com',
        });

        // Create authenticated agent
        agent = request.agent(app);
        await agent.post('/api/login').send({
            email: 'test@example.com',
            password: 'password123',
        });
    });

    describe('POST /api/telegram/setup', () => {
        it('should setup telegram bot token', async () => {
            const botToken = '123456789:ABCdefGHIjklMNOPQRSTUVwxyz-12345678';

            const response = await agent
                .post('/api/telegram/setup')
                .send({ token: botToken });

            expect(response.status).toBe(200);
            expect(response.body.message).toBe(
                'Telegram bot token updated successfully'
            );

            // Verify token was saved to user
            const updatedUser = await User.findByPk(user.id);
            expect(updatedUser.telegram_bot_token).toBe(botToken);
        });

        it('should require authentication', async () => {
            const response = await request(app)
                .post('/api/telegram/setup')
                .send({
                    token: '123456789:ABCdefGHIjklMNOPQRSTUVwxyz-1234567890',
                });

            expect(response.status).toBe(401);
            expect(response.body.error).toBe('Authentication required');
        });

        it('should require token parameter', async () => {
            const response = await agent.post('/api/telegram/setup').send({});

            expect(response.status).toBe(400);
            expect(response.body.error).toBe('Telegram bot token is required.');
        });

        it('should validate token format', async () => {
            const response = await agent
                .post('/api/telegram/setup')
                .send({ token: 'invalid-token-format' });

            expect(response.status).toBe(400);
            expect(response.body.error).toBe(
                'Invalid Telegram bot token format.'
            );
        });

        it('should validate token format with correct pattern', async () => {
            // Test various invalid formats
            const invalidTokens = [
                '123456:short',
                'notnum:ABCdefGHIjklMNOPQRSTUVwxyz-12345678',
                '123456789-ABCdefGHIjklMNOPQRSTUVwxyz-12345678',
                '123456789:',
                ':ABCdefGHIjklMNOPQRSTUVwxyz-12345678',
            ];

            for (const token of invalidTokens) {
                const response = await agent
                    .post('/api/telegram/setup')
                    .send({ token });

                expect(response.status).toBe(400);
                expect(response.body.error).toBe(
                    'Invalid Telegram bot token format.'
                );
            }
        });

        it('should accept valid token formats', async () => {
            const validTokens = [
                '123456789:ABCdefGHIjklMNOPQRSTUVwxyz-12345678',
                '987654321:XYZabcDEFghiJKLmnoPQRstUVW_09876543',
                '555555555:abcdefghijklmnopqrstuvwxyzABCDEFGHI',
            ];

            for (const token of validTokens) {
                const response = await agent
                    .post('/api/telegram/setup')
                    .send({ token });

                expect(response.status).toBe(200);
                expect(response.body.message).toBe(
                    'Telegram bot token updated successfully'
                );
            }
        });
    });

    describe('POST /api/telegram/start-polling', () => {
        beforeEach(async () => {
            // Setup bot token first
            await user.update({
                telegram_bot_token:
                    '123456789:ABCdefGHIjklMNOPQRSTUVwxyz-12345678',
            });
        });

        it('should require authentication', async () => {
            const response = await request(app).post(
                '/api/telegram/start-polling'
            );

            expect(response.status).toBe(401);
            expect(response.body.error).toBe('Authentication required');
        });

        it('should require bot token to be configured', async () => {
            // Remove bot token
            await user.update({ telegram_bot_token: null });

            const response = await agent.post('/api/telegram/start-polling');

            expect(response.status).toBe(400);
            expect(response.body.error).toBe('Telegram bot token not set.');
        });
    });

    describe('POST /api/telegram/stop-polling', () => {
        it('should require authentication', async () => {
            const response = await request(app).post(
                '/api/telegram/stop-polling'
            );

            expect(response.status).toBe(401);
            expect(response.body.error).toBe('Authentication required');
        });
    });

    describe('GET /api/telegram/polling-status', () => {
        it('should require authentication', async () => {
            const response = await request(app).get(
                '/api/telegram/polling-status'
            );

            expect(response.status).toBe(401);
            expect(response.body.error).toBe('Authentication required');
        });
    });
});