const supertest = require('supertest');
const md5 = require('../../lib/utils/md5');
let server;
jest.mock('request-promise-native');

function checkBlock(response) {
    expect(response.status).toBe(403);
    expect(response.text).toMatch(/Access denied\./);
}

afterEach(() => {
    delete process.env.ACCESS_KEY;
    delete process.env.BLACKLIST;
    delete process.env.WHITELIST;
    jest.resetModules();
    server.close();
});

describe('access-control', () => {
    it(`blacklist`, async () => {
        const key = '1L0veRSSHub';
        const code = md5('/test/2' + key);
        process.env.BLACKLIST = 'est/1,233.233.233.,black';
        process.env.ACCESS_KEY = key;
        server = require('../../lib/index');
        const request = supertest(server);

        const response11 = await request.get('/test/1');
        checkBlock(response11);

        const response12 = await request.get('/test/1').set('X-Forwarded-For', '233.233.233.233');
        checkBlock(response12);

        const response13 = await request.get('/test/1').set('user-agent', 'blackua');
        checkBlock(response13);

        const response21 = await request.get('/test/2');
        expect(response21.status).toBe(200);

        const response22 = await request.get('/test/2').set('X-Forwarded-For', '233.233.233.233');
        checkBlock(response22);

        const response23 = await request.get('/test/2').set('user-agent', 'blackua');
        checkBlock(response23);

        // wrong key/code, not on blacklist
        const response311 = await request.get(`/test/2?key=wrong+${key}`);
        expect(response311.status).toBe(200);

        const response312 = await request.get(`/test/2?code=wrong+${code}`);
        expect(response312.status).toBe(200);

        // wrong key/code, on blacklist
        const response321 = await request.get(`/test/2?key=wrong+${key}`).set('X-Forwarded-For', '233.233.233.233');
        checkBlock(response321);

        const response322 = await request.get(`/test/2?code=wrong+${code}`).set('X-Forwarded-For', '233.233.233.233');
        checkBlock(response322);

        // right key/code, on blacklist
        const response331 = await request.get(`/test/2?key=${key}`).set('X-Forwarded-For', '233.233.233.233');
        expect(response331.status).toBe(200);

        const response332 = await request.get(`/test/2?code=${code}`).set('X-Forwarded-For', '233.233.233.233');
        expect(response332.status).toBe(200);
    });

    it(`whitelist`, async () => {
        const key = '1L0veRSSHub';
        const code = md5('/test/2' + key);
        process.env.WHITELIST = 'est/1,233.233.233.,white';
        process.env.ACCESS_KEY = key;
        server = require('../../lib/index');
        const request = supertest(server);

        const response01 = await request.get('/');
        expect(response01.status).toBe(200);

        const response02 = await request.get('/robots.txt');
        expect(response02.status).toBe(200);

        const response11 = await request.get('/test/1');
        expect(response11.status).toBe(200);

        const response12 = await request.get('/test/1').set('X-Forwarded-For', '233.233.233.233');
        expect(response12.status).toBe(200);

        const response13 = await request.get('/test/1').set('user-agent', 'whiteua');
        expect(response13.status).toBe(200);

        const response21 = await request.get('/test/2');
        checkBlock(response21);

        const response22 = await request.get('/test/2').set('X-Forwarded-For', '233.233.233.233');
        expect(response22.status).toBe(200);

        const response23 = await request.get('/test/2').set('user-agent', 'whiteua');
        expect(response23.status).toBe(200);

        // wrong key/code, not on whitelist
        const response311 = await request.get(`/test/2?code=wrong+${code}`);
        checkBlock(response311);

        const response312 = await request.get(`/test/2?key=wrong+${key}`);
        checkBlock(response312);

        // wrong key/code, on whitelist
        const response321 = await request.get(`/test/2?code=wrong+${code}`).set('X-Forwarded-For', '233.233.233.233');
        expect(response321.status).toBe(200);

        const response322 = await request.get(`/test/2?key=wrong+${key}`).set('X-Forwarded-For', '233.233.233.233');
        expect(response322.status).toBe(200);

        // right key/code
        const response331 = await request.get(`/test/2?code=${code}`);
        expect(response331.status).toBe(200);

        const response332 = await request.get(`/test/2?key=${key}`);
        expect(response332.status).toBe(200);
    });

    it(`no list`, async () => {
        const key = '1L0veRSSHub';
        const code = md5('/test/2' + key);
        process.env.ACCESS_KEY = key;
        server = require('../../lib/index');
        const request = supertest(server);

        const response01 = await request.get('/');
        expect(response01.status).toBe(200);

        const response02 = await request.get('/robots.txt');
        expect(response02.status).toBe(200);

        const response11 = await request.get('/test/1');
        checkBlock(response11);

        const response21 = await request.get('/test/2');
        checkBlock(response21);

        // wrong key/code
        const response321 = await request.get(`/test/2?key=wrong+${key}`);
        checkBlock(response321);

        const response322 = await request.get(`/test/2?code=wrong+${code}`);
        checkBlock(response322);

        // right key/code
        const response331 = await request.get(`/test/2?key=${key}`);
        expect(response331.status).toBe(200);

        const response332 = await request.get(`/test/2?code=${code}`);
        expect(response332.status).toBe(200);
    });
});