'use strict';

const fs = require('fs');
const join = require('path').join;

const request = require('supertest');

const strapi = require('../../..');

describe('favicon', function () {
  const path = join(__dirname, 'fixtures', 'favicon.ico');

  it('should only respond on `/favicon.ico`', function (done) {
    const app = strapi.server();

    app.use(strapi.middlewares.favicon(path));

    app.use(function * () {
      (this.body == null).should.be.true;
      (this.get('Content-Type') == null).should.be.true;
      this.body = 'hello';
    });

    request(app.listen())
      .get('/')
      .expect('hello', done);
  });

  it('favicon should 404 if `path` is missing', function (done) {
    const app = strapi.server();
    app.use(strapi.middlewares.favicon());

    request(app.listen())
      .post('/favicon.ico')
      .expect(404, done);
  });

  it('should not accept POST requests', function (done) {
    const app = strapi.server();
    app.use(strapi.middlewares.favicon(path));

    request(app.listen())
      .post('/favicon.ico')
      .expect('Allow', 'GET, HEAD, OPTIONS')
      .expect(405, done);
  });

  it('should send the favicon', function (done) {
    const body = fs.readFileSync(path);

    const app = strapi.server();
    app.use(strapi.middlewares.favicon(path));

    request(app.listen())
      .get('/favicon.ico')
      .expect(200)
      .expect('Content-Type', 'image/x-icon')
      .expect(body, done);
  });

  it('should set cache-control headers', function (done) {
    const app = strapi.server();
    app.use(strapi.middlewares.favicon(path));

    request(app.listen())
      .get('/favicon.ico')
      .expect('Cache-Control', 'public, max-age=86400')
      .expect(200, done);
  });

  describe('options.maxAge', function () {
    it('should set max-age', function (done) {
      const app = strapi.server();
      app.use(strapi.middlewares.favicon(path, {
        maxAge: 5000
      }));

      request(app.listen())
        .get('/favicon.ico')
        .expect('Cache-Control', 'public, max-age=5')
        .expect(200, done);
    });

    it('should accept 0', function (done) {
      const app = strapi.server();
      app.use(strapi.middlewares.favicon(path, {
        maxAge: 0
      }));

      request(app.listen())
        .get('/favicon.ico')
        .expect('Cache-Control', 'public, max-age=0')
        .expect(200, done);
    });

    it('should be valid delta-seconds', function (done) {
      const app = strapi.server();
      app.use(strapi.middlewares.favicon(path, {
        maxAge: 1234
      }));

      request(app.listen())
        .get('/favicon.ico')
        .expect('Cache-Control', 'public, max-age=1')
        .expect(200, done);
    });

    it('should floor at 0', function (done) {
      const app = strapi.server();
      app.use(strapi.middlewares.favicon(path, {
        maxAge: -4000
      }));

      request(app.listen())
        .get('/favicon.ico')
        .expect('Cache-Control', 'public, max-age=0')
        .expect(200, done);
    });

    it('should ceil at 31556926', function (done) {
      const app = strapi.server();
      app.use(strapi.middlewares.favicon(path, {
        maxAge: 900000000000
      }));

      request(app.listen())
        .get('/favicon.ico')
        .expect('Cache-Control', 'public, max-age=31556926')
        .expect(200, done);
    });

    it('should accept Infinity', function (done) {
      const app = strapi.server();
      app.use(strapi.middlewares.favicon(path, {
        maxAge: Infinity
      }));

      request(app.listen())
        .get('/favicon.ico')
        .expect('Cache-Control', 'public, max-age=31556926')
        .expect(200, done);
    });
  });
});