import TestHelper from "../test/helper";
import should from 'should/as-function';
import db from '../db';


describe('/', () => {
  let server;
  before(done => TestHelper.before(done));
  beforeEach(done => server = TestHelper.beforeEach(server, done));
  afterEach(done => TestHelper.afterEach(server, done));
  after(done => TestHelper.after(done));

  describe('GET /', () => {
    it('returns the root message', done => {
      TestHelper.request(server, done, {
        method: 'get',
        url: '/',
        httpStatus: 200,
        res: {status: 'API server up and running!'}
      });
    });
  });

  describe('GET /changelog/{timestamp}/{page}/{pagesize}', () => {
    it('returns the first page', done => {
      TestHelper.request(server, done, {
        method: 'get',
        url: '/changelog/1979-07-28T06:04:51.000Z/0/2',
        auth: {basic: 'admin'},
        httpStatus: 200
      }).end((err, res) => {
        if (err) return done(err);
        should(res.body).have.lengthOf(2);
        should(res.body[0].date).be.eql('1979-07-28T06:04:51.000Z');
        should(res.body[1].date).be.eql('1979-07-28T06:04:50.000Z');
        should(res.body).matchEach(log => {
          should(log).have.only.keys('date', 'action', 'collection', 'conditions', 'data');
          should(log).have.property('action', 'PUT /sample/400000000000000000000001');
          should(log).have.property('collection', 'samples');
          should(log).have.property('conditions', {_id: '400000000000000000000001'});
          should(log).have.property('data', {type: 'part', status: 0});
        });
        done();
      });
    });
    it('returns another page', done => {
      TestHelper.request(server, done, {
        method: 'get',
        url: '/changelog/1979-07-28T06:04:51.000Z/1/2',
        auth: {basic: 'admin'},
        httpStatus: 200
      }).end((err, res) => {
        if (err) return done(err);
        should(res.body).have.lengthOf(1);
        should(res.body[0].date).be.eql('1979-07-28T06:04:49.000Z');
        should(res.body).matchEach(log => {
          should(log).have.only.keys('date', 'action', 'collection', 'conditions', 'data');
          should(log).have.property('action', 'PUT /sample/400000000000000000000001');
          should(log).have.property('collection', 'samples');
          should(log).have.property('conditions', {_id: '400000000000000000000001'});
          should(log).have.property('data', {type: 'part', status: 0});
          done();
        });
      });
    });
    it('returns an empty array for a page with no results', done => {
      TestHelper.request(server, done, {
        method: 'get',
        url: '/changelog/1979-07-28T06:04:51.000Z/10/2',
        auth: {basic: 'admin'},
        httpStatus: 200
      }).end((err, res) => {
        if (err) return done(err);
        should(res.body).have.lengthOf(0);
        done();
      });
    });
    it('rejects timestamps pre unix epoch', done => {
      TestHelper.request(server, done, {
        method: 'get',
        url: '/changelog/1879-07-28T06:04:51.000Z/10/2',
        auth: {basic: 'admin'},
        httpStatus: 400,
        res: {status: 'Invalid body format', details: '"timestamp" must be larger than or equal to "1970-01-01T00:00:00.000Z"'}
      });
    });
    it('rejects invalid timestamps', done => {
      TestHelper.request(server, done, {
        method: 'get',
        url: '/changelog/1979-14-28T06:04:51.000Z/10/2',
        auth: {basic: 'admin'},
        httpStatus: 400,
        res: {status: 'Invalid body format', details: '"timestamp" must be in ISO 8601 date format'}
      });
    });
    it('rejects negative page numbers', done => {
      TestHelper.request(server, done, {
        method: 'get',
        url: '/changelog/1979-07-28T06:04:51.000Z/-10/2',
        auth: {basic: 'admin'},
        httpStatus: 400,
        res: {status: 'Invalid body format', details: '"page" must be larger than or equal to 0'}
      });
    });
    it('rejects negative pagesizes', done => {
      TestHelper.request(server, done, {
        method: 'get',
        url: '/changelog/1979-07-28T06:04:51.000Z/10/-2',
        auth: {basic: 'admin'},
        httpStatus: 400,
        res: {status: 'Invalid body format', details: '"pagesize" must be larger than or equal to 0'}
      });
    });
    it('rejects request from a write user', done => {
      TestHelper.request(server, done, {
        method: 'get',
        url: '/changelog/1979-07-28T06:04:51.000Z/10/2',
        auth: {basic: 'janedoe'},
        httpStatus: 403
      });
    });
    it('rejects requests from an API key', done => {
      TestHelper.request(server, done, {
        method: 'get',
        url: '/changelog/1979-07-28T06:04:51.000Z/10/2',
        auth: {key: 'admin'},
        httpStatus: 401
      });
    });
    it('rejects unauthorized requests', done => {
      TestHelper.request(server, done, {
        method: 'get',
        url: '/changelog/1979-07-28T06:04:51.000Z/10/2',
        httpStatus: 401
      });
    });
  });

  describe('Unknown routes', () => {
    it('return a 404 message', done => {
      TestHelper.request(server, done, {
        method: 'get',
        url: '/unknownroute',
        httpStatus: 404
      });
    });
  });

  describe('An unauthorized request', () => {
    it('returns a 401 message', done => {
      TestHelper.request(server, done, {
        method: 'get',
        url: '/authorized',
        httpStatus: 401
      });
    });
    it('does not work with correct username', done => {
      TestHelper.request(server, done, {
        method: 'get',
        url: '/authorized',
        auth: {basic: {name: 'admin', pass: 'Abc123!!'}},
        httpStatus: 401
      });
    });
    it('does not work with incorrect username', done => {
      TestHelper.request(server, done, {
        method: 'get',
        url: '/authorized',
        auth: {basic: {name: 'adminxx', pass: 'Abc123!!'}},
        httpStatus: 401
      });
    });
  });

  describe('An authorized request', () => {
    it('works with an API key', done => {
      TestHelper.request(server, done, {
        method: 'get',
        url: '/authorized',
        auth: {key: 'admin'},
        httpStatus: 200,
        res: {status: 'Authorization successful', method: 'key'}
      });
    });
    it('works with basic auth', done => {
      TestHelper.request(server, done, {
        method: 'get',
        url: '/authorized',
        auth: {basic: 'admin'},
        httpStatus: 200,
        res: {status: 'Authorization successful', method: 'basic'}
      });
    });
  });

  describe('An invalid JSON body', () => {
    it('is rejected', done => {
      TestHelper.request(server, done, {
        method: 'post',
        url: '/',
        httpStatus: 400,
        reqType: 'json',
        req: '{"xxx"}',
        res: {status: 'Invalid JSON body'}
      });

    });
  });

  describe('A not connected database', () => {  // RUN AS LAST OR RECONNECT DATABASE!!
    it('resolves to an 500 error', done => {
      db.disconnect(() => {
        TestHelper.request(server, done, {
          method: 'get',
          url: '/',
          httpStatus: 500
        });
      });
    });
  });
});

describe('The /api/{url} redirect', () => {
  let server;
  let counter = 0;  // count number of current test method
  before(done => {
    process.env.port = '2999';
    db.connect('test', done);
  });
  beforeEach(done => {
    process.env.NODE_ENV = counter === 1 ? 'production' : 'test';
    counter ++;
    server = TestHelper.beforeEach(server, done);
  });
  afterEach(done => TestHelper.afterEach(server, done));
  after(done => TestHelper.after(done));


  it('returns the right method', done => {
    TestHelper.request(server, done, {
      method: 'get',
      url: '/api/authorized',
      auth: {basic: 'admin'},
      httpStatus: 200,
      res: {status: 'Authorization successful', method: 'basic'}
    });
  });
  it('is disabled in production', done => {
    TestHelper.request(server, done, {
      method: 'get',
      url: '/api/authorized',
      auth: {basic: 'admin'},
      httpStatus: 404
    });
  });
});