const supertest = require('supertest');
jest.mock('request-promise-native');
const server = require('../../lib/index');
const request = supertest(server);
const Parser = require('rss-parser');
const parser = new Parser();
const config = require('../../lib/config').value;

afterAll(() => {
    server.close();
});

describe('filter', () => {
    it(`filter`, async () => {
        const response = await request.get('/test/1?filter=Description4|Title5');
        const parsed = await parser.parseString(response.text);
        expect(parsed.items.length).toBe(2);
        expect(parsed.items[0].title).toBe('Title4');
        expect(parsed.items[1].title).toBe('Title5');
    });

    it(`filter filter_case_sensitive default`, async () => {
        const response = await request.get('/test/1?filter=description4|title5');
        const parsed = await parser.parseString(response.text);
        expect(parsed.items.length).toBe(0);
    });

    it(`filter filter_case_sensitive=false`, async () => {
        const response = await request.get('/test/1?filter=description4|title5&filter_case_sensitive=false');
        const parsed = await parser.parseString(response.text);
        expect(parsed.items.length).toBe(2);
        expect(parsed.items[0].title).toBe('Title4');
        expect(parsed.items[1].title).toBe('Title5');
    });

    it(`filter_title`, async () => {
        const response = await request.get('/test/1?filter_title=Description4|Title5');
        const parsed = await parser.parseString(response.text);
        expect(parsed.items.length).toBe(1);
        expect(parsed.items[0].title).toBe('Title5');
    });

    it(`filter_title filter_case_sensitive=false`, async () => {
        const response = await request.get('/test/1?filter_title=description4|title5&filter_case_sensitive=false');
        const parsed = await parser.parseString(response.text);
        expect(parsed.items.length).toBe(1);
        expect(parsed.items[0].title).toBe('Title5');
    });

    it(`filter_description`, async () => {
        const response = await request.get('/test/1?filter_description=Description4|Title5');
        const parsed = await parser.parseString(response.text);
        expect(parsed.items.length).toBe(1);
        expect(parsed.items[0].title).toBe('Title4');
    });

    it(`filter_description filter_case_sensitive=false`, async () => {
        const response = await request.get('/test/1?filter_description=description4|title5&filter_case_sensitive=false');
        const parsed = await parser.parseString(response.text);
        expect(parsed.items.length).toBe(1);
        expect(parsed.items[0].title).toBe('Title4');
    });

    it(`filter_author`, async () => {
        const response = await request.get('/test/1?filter_author=DIYgod4|DIYgod5');
        const parsed = await parser.parseString(response.text);
        expect(parsed.items.length).toBe(2);
        expect(parsed.items[0].title).toBe('Title4');
        expect(parsed.items[1].title).toBe('Title5');
    });

    it(`filter_author filter_case_sensitive default`, async () => {
        const response = await request.get('/test/1?filter_author=diygod4|diygod5');
        const parsed = await parser.parseString(response.text);
        expect(parsed.items.length).toBe(0);
    });

    it(`filter_author filter_case_sensitive=false`, async () => {
        const response = await request.get('/test/1?filter_author=diygod4|diygod5&filter_case_sensitive=false');
        const parsed = await parser.parseString(response.text);
        expect(parsed.items.length).toBe(2);
        expect(parsed.items[0].title).toBe('Title4');
        expect(parsed.items[1].title).toBe('Title5');
    });

    it(`filter_time`, async () => {
        const response = await request.get('/test/current_time?filter_time=25');
        const parsed = await parser.parseString(response.text);
        expect(parsed.items.length).toBe(2);
        expect(parsed.items[0].title).toBe('Title1');
        expect(parsed.items[1].title).toBe('Title2');
    });

    it(`filterout`, async () => {
        const response = await request.get('/test/1?filterout=Description4|Title5');
        const parsed = await parser.parseString(response.text);
        expect(parsed.items.length).toBe(3);
        expect(parsed.items[0].title).toBe('Title1');
        expect(parsed.items[1].title).toBe('Title2');
        expect(parsed.items[2].title).toBe('Title3');
    });

    it(`filterout filter_case_sensitive default`, async () => {
        const response = await request.get('/test/1?filterout=description4|title5');
        const parsed = await parser.parseString(response.text);
        expect(parsed.items.length).toBe(5);
        expect(parsed.items[0].title).toBe('Title1');
        expect(parsed.items[1].title).toBe('Title2');
        expect(parsed.items[2].title).toBe('Title3');
    });

    it(`filterout filter_case_sensitive=false`, async () => {
        const response = await request.get('/test/1?filterout=description4|title5&filter_case_sensitive=false');
        const parsed = await parser.parseString(response.text);
        expect(parsed.items.length).toBe(3);
        expect(parsed.items[0].title).toBe('Title1');
        expect(parsed.items[1].title).toBe('Title2');
        expect(parsed.items[2].title).toBe('Title3');
    });

    it(`filterout_title`, async () => {
        const response = await request.get('/test/1?filterout_title=Description4|Title5');
        const parsed = await parser.parseString(response.text);
        expect(parsed.items.length).toBe(4);
        expect(parsed.items[0].title).toBe('Title1');
        expect(parsed.items[1].title).toBe('Title2');
        expect(parsed.items[2].title).toBe('Title3');
        expect(parsed.items[3].title).toBe('Title4');
    });

    it(`filterout_title filter_case_sensitive=false`, async () => {
        const response = await request.get('/test/1?filterout_title=description4|title5&filter_case_sensitive=false');
        const parsed = await parser.parseString(response.text);
        expect(parsed.items.length).toBe(4);
        expect(parsed.items[0].title).toBe('Title1');
        expect(parsed.items[1].title).toBe('Title2');
        expect(parsed.items[2].title).toBe('Title3');
        expect(parsed.items[3].title).toBe('Title4');
    });

    it(`filterout_description`, async () => {
        const response = await request.get('/test/1?filterout_description=Description4|Title5');
        const parsed = await parser.parseString(response.text);
        expect(parsed.items.length).toBe(4);
        expect(parsed.items[0].title).toBe('Title1');
        expect(parsed.items[1].title).toBe('Title2');
        expect(parsed.items[2].title).toBe('Title3');
        expect(parsed.items[3].title).toBe('Title5');
    });

    it(`filterout_description filter_case_sensitive=false`, async () => {
        const response = await request.get('/test/1?filterout_description=description4|title5&filter_case_sensitive=false');
        const parsed = await parser.parseString(response.text);
        expect(parsed.items.length).toBe(4);
        expect(parsed.items[0].title).toBe('Title1');
        expect(parsed.items[1].title).toBe('Title2');
        expect(parsed.items[2].title).toBe('Title3');
        expect(parsed.items[3].title).toBe('Title5');
    });

    it(`filterout_author`, async () => {
        const response = await request.get('/test/1?filterout_author=DIYgod4|DIYgod5');
        const parsed = await parser.parseString(response.text);
        expect(parsed.items.length).toBe(3);
        expect(parsed.items[0].title).toBe('Title1');
        expect(parsed.items[1].title).toBe('Title2');
        expect(parsed.items[2].title).toBe('Title3');
    });

    it(`filterout_author filter_case_sensitive default`, async () => {
        const response = await request.get('/test/1?filterout_author=diygod4|diygod5');
        const parsed = await parser.parseString(response.text);
        expect(parsed.items.length).toBe(5);
        expect(parsed.items[0].title).toBe('Title1');
        expect(parsed.items[1].title).toBe('Title2');
        expect(parsed.items[2].title).toBe('Title3');
    });

    it(`filterout_author filter_case_sensitive=false`, async () => {
        const response = await request.get('/test/1?filterout_author=diygod4|diygod5&filter_case_sensitive=false');
        const parsed = await parser.parseString(response.text);
        expect(parsed.items.length).toBe(3);
        expect(parsed.items[0].title).toBe('Title1');
        expect(parsed.items[1].title).toBe('Title2');
        expect(parsed.items[2].title).toBe('Title3');
    });

    it(`filter combination`, async () => {
        const response = await request.get('/test/filter?filter_title=Filter&filter_description=Description1');
        const parsed = await parser.parseString(response.text);
        expect(parsed.items.length).toBe(1);
        expect(parsed.items[0].title).toBe('Filter Title1');
    });

    it(`filterout combination`, async () => {
        const response = await request.get('/test/filter?filterout_title=Filter&filterout_description=Description1');
        const parsed = await parser.parseString(response.text);
        expect(parsed.items.length).toBe(4);
        expect(parsed.items[0].title).toBe('Title2');
    });
});

describe('limit', () => {
    it(`limit`, async () => {
        const response = await request.get('/test/1?limit=3');
        const parsed = await parser.parseString(response.text);
        expect(parsed.items.length).toBe(3);
        expect(parsed.items[0].title).toBe('Title1');
        expect(parsed.items[1].title).toBe('Title2');
        expect(parsed.items[2].title).toBe('Title3');
    });
});

describe('tgiv', () => {
    it(`tgiv`, async () => {
        const response = await request.get('/test/1?tgiv=test');
        const parsed = await parser.parseString(response.text);
        expect(parsed.items[0].link).toBe(`https://t.me/iv?url=https%3A%2F%2Fgithub.com%2FDIYgod%2FRSSHub%2Fissues%2F1&rhash=test`);
        expect(parsed.items[1].link).toBe(`https://t.me/iv?url=https%3A%2F%2Fgithub.com%2FDIYgod%2FRSSHub%2Fissues%2F2&rhash=test`);
    });
});

describe('empty', () => {
    it(`empty`, async () => {
        const response1 = await request.get('/test/empty');
        expect(response1.status).toBe(404);
        expect(response1.text).toMatch(/Error: this route is empty/);

        const response2 = await request.get('/test/1?limit=0');
        expect(response2.status).toBe(200);
        const parsed = await parser.parseString(response2.text);
        expect(parsed.items.length).toBe(0);
    });
});

describe('allow_empty', () => {
    it(`allow_empty`, async () => {
        const response = await request.get('/test/allow_empty');
        expect(response.status).toBe(200);
        const parsed = await parser.parseString(response.text);
        expect(parsed.items.length).toBe(0);
    });
});

describe('wrong_path', () => {
    it(`wrong_path`, async () => {
        const response = await request.get('/wrong');
        expect(response.status).toBe(404);
        expect(response.headers['cache-control']).toBe(`public, max-age=${config.cache.routeExpire * 100}`);
        expect(response.text).toMatch(/Error: wrong path/);
    });
});

describe('fulltext_mode', () => {
    it(`fulltext`, async () => {
        const response = await request.get('/test/1?mode=fulltext');
        expect(response.status).toBe(200);
        const parsed = await parser.parseString(response.text);
        expect(parsed.items[0].content).not.toBe(undefined);
    });
}, 10000);

describe('complicated_description', () => {
    it(`complicated_description`, async () => {
        const response = await request.get('/test/complicated');
        expect(response.status).toBe(200);
        const parsed = await parser.parseString(response.text);
        expect(parsed.items[0].content).toBe(`<a href="https://mock.com/DIYgod/RSSHub"></a>
<img src="https://mock.com/DIYgod/RSSHub.jpg" referrerpolicy="no-referrer">

<a href="http://mock.com/DIYgod/RSSHub"></a>
<img src="https://mock.com/DIYgod/RSSHub.jpg" data-src="/DIYgod/RSSHub0.jpg" referrerpolicy="no-referrer">
<img data-src="/DIYgod/RSSHub.jpg" src="https://mock.com/DIYgod/RSSHub.jpg" referrerpolicy="no-referrer">
<img data-mock="/DIYgod/RSSHub.png" src="https://mock.com/DIYgod/RSSHub.png" referrerpolicy="no-referrer">
<img mock="/DIYgod/RSSHub.gif" src="https://mock.com/DIYgod/RSSHub.gif" referrerpolicy="no-referrer">
<img src="http://mock.com/DIYgod/DIYgod/RSSHub" referrerpolicy="no-referrer">
<img src="https://mock.com/DIYgod/RSSHub.jpg" referrerpolicy="no-referrer">`);
        expect(parsed.items[1].content).toBe(`<a href="https://mock.com/DIYgod/RSSHub"></a>
<img src="https://mock.com/DIYgod/RSSHub.jpg" referrerpolicy="no-referrer">`);
    });
});

describe('sort', () => {
    it(`sort`, async () => {
        const response = await request.get('/test/sort');
        expect(response.status).toBe(200);
        const parsed = await parser.parseString(response.text);
        expect(parsed.items[0].title).toBe('Sort Title 3');
        expect(parsed.items[parsed.items.length - 3].title).toBe('Sort Title 2');
        expect(parsed.items[parsed.items.length - 2].title).toBe('Sort Title 0');
        expect(parsed.items[parsed.items.length - 1].title).toBe('Sort Title 1');
    });
});

describe('mess parameter', () => {
    it(`date`, async () => {
        const response = await request.get('/test/mess');
        expect(response.status).toBe(200);
        const parsed = await parser.parseString(response.text);
        expect(parsed.items[0].pubDate).toBe('Mon, 31 Dec 2018 16:00:00 GMT');
        expect(parsed.items[0].link).toBe('https://github.com/DIYgod/RSSHub/issues/0');
    });
});

describe('opencc', () => {
    it(`opencc`, async () => {
        const response = await request.get('/test/opencc?opencc=t2s');
        const parsed = await parser.parseString(response.text);
        expect(parsed.items[0].title).toBe('小可爱');
        expect(parsed.items[0].content).toBe('宇宙无敌');
    });
});