/*global describe, it, before, after */

// # Frontend Route tests
// As it stands, these tests depend on the database, and as such are integration tests.
// Mocking out the models to not touch the DB would turn these into unit tests, and should probably be done in future,
// But then again testing real code, rather than mock code, might be more useful...

var request    = require('supertest'),
    should     = require('should'),
    moment     = require('moment'),
    cheerio    = require('cheerio'),

    testUtils  = require('../../utils'),
    ghost      = require('../../../../core');

describe('Frontend Routing', function () {
    function doEnd(done) {
        return function (err, res) {
            if (err) {
                return done(err);
            }

            should.not.exist(res.headers['x-cache-invalidate']);
            should.not.exist(res.headers['X-CSRF-Token']);
            should.not.exist(res.headers['set-cookie']);
            should.exist(res.headers.date);

            done();
        };
    }

    before(function (done) {
        ghost().then(function (ghostServer) {
            // Setup the request object with the ghost express app
            request = request(ghostServer.rootApp);

            done();
        }).catch(function (e) {
            console.log('Ghost Error: ', e);
            console.log(e.stack);
        });
    });

    after(testUtils.teardown);

    describe('Test with Initial Fixtures', function () {
        after(testUtils.teardown);

        describe('Error', function () {
            it('should 404 for unknown post', function (done) {
                request.get('/spectacular/')
                    .expect('Cache-Control', testUtils.cacheRules['private'])
                    .expect(404)
                    .expect(/Page Not Found/)
                    .end(doEnd(done));
            });

            it('should 404 for unknown frontend route', function (done) {
                request.get('/spectacular/marvellous/')
                    .expect('Cache-Control', testUtils.cacheRules['private'])
                    .expect(404)
                    .expect(/Page Not Found/)
                    .end(doEnd(done));
            });

            it('should 404 for unknown tag', function (done) {
                request.get('/tag/spectacular/')
                    .expect('Cache-Control', testUtils.cacheRules['private'])
                    .expect(404)
                    .expect(/Page Not Found/)
                    .end(doEnd(done));
            });

            it('should 404 for unknown author', function (done) {
                request.get('/author/spectacular/')
                    .expect('Cache-Control', testUtils.cacheRules['private'])
                    .expect(404)
                    .expect(/Page Not Found/)
                    .end(doEnd(done));
            });
        });

        describe('Home', function () {
            it('should respond with html', function (done) {
                request.get('/')
                    .expect('Content-Type', /html/)
                    .expect('Cache-Control', testUtils.cacheRules['public'])
                    .expect(200)
                    .end(function (err, res) {
                        if (err) {
                            return done(err);
                        }

                        var $ = cheerio.load(res.text);

                        should.not.exist(res.headers['x-cache-invalidate']);
                        should.not.exist(res.headers['X-CSRF-Token']);
                        should.not.exist(res.headers['set-cookie']);
                        should.exist(res.headers.date);

                        $('title').text().should.equal('Ghost');
                        $('.content .post').length.should.equal(1);
                        $('.poweredby').text().should.equal('Proudly published with Ghost');
                        $('body.home-template').length.should.equal(1);
                        $('article.post').length.should.equal(1);
                        $('article.tag-getting-started').length.should.equal(1);

                        done();
                    });
            });

            it('should not have as second page', function (done) {
                request.get('/page/2/')
                    .expect('Location', '/')
                    .expect('Cache-Control', testUtils.cacheRules['public'])
                    .expect(302)
                    .end(doEnd(done));
            });
        });

        describe('Single post', function () {
            it('should redirect without slash', function (done) {
                request.get('/welcome-to-ghost')
                    .expect('Location', '/welcome-to-ghost/')
                    .expect('Cache-Control', testUtils.cacheRules.year)
                    .expect(301)
                    .end(doEnd(done));
            });

            it('should redirect uppercase', function (done) {
                request.get('/Welcome-To-Ghost/')
                    .expect('Location', '/welcome-to-ghost/')
                    .expect(301)
                    .end(doEnd(done));
            });

            it('should respond with html for valid url', function (done) {
                request.get('/welcome-to-ghost/')
                    .expect('Content-Type', /html/)
                    .expect('Cache-Control', testUtils.cacheRules['public'])
                    .expect(200)
                    .end(function (err, res) {
                        if (err) {
                            return done(err);
                        }

                        var $ = cheerio.load(res.text);

                        should.not.exist(res.headers['x-cache-invalidate']);
                        should.not.exist(res.headers['X-CSRF-Token']);
                        should.not.exist(res.headers['set-cookie']);
                        should.exist(res.headers.date);

                        $('title').text().should.equal('Welcome to Ghost');
                        $('.content .post').length.should.equal(1);
                        $('.poweredby').text().should.equal('Proudly published with Ghost');
                        $('body.post-template').length.should.equal(1);
                        $('body.tag-getting-started').length.should.equal(1);
                        $('article.post').length.should.equal(1);
                        $('article.tag-getting-started').length.should.equal(1);

                        done();
                    });
            });

            it('should not work with date permalinks', function (done) {
                // get today's date
                var date  = moment().format('YYYY/MM/DD');

                request.get('/' + date + '/welcome-to-ghost/')
                    .expect('Cache-Control', testUtils.cacheRules['private'])
                    .expect(404)
                    .expect(/Page Not Found/)
                    .end(doEnd(done));
            });
        });

        describe('Post edit', function () {
            it('should redirect without slash', function (done) {
                request.get('/welcome-to-ghost/edit')
                    .expect('Location', '/welcome-to-ghost/edit/')
                    .expect('Cache-Control', testUtils.cacheRules.year)
                    .expect(301)
                    .end(doEnd(done));
            });

            it('should redirect to editor', function (done) {
                request.get('/welcome-to-ghost/edit/')
                    .expect('Location', '/ghost/editor/1/')
                    .expect('Cache-Control', testUtils.cacheRules['public'])
                    .expect(302)
                    .end(doEnd(done));
            });

            it('should 404 for non-edit parameter', function (done) {
                request.get('/welcome-to-ghost/notedit/')
                    .expect('Cache-Control', testUtils.cacheRules['private'])
                    .expect(404)
                    .expect(/Page Not Found/)
                    .end(doEnd(done));
            });
        });

        describe('Static assets', function () {
            it('should retrieve shared assets', function (done) {
                request.get('/shared/img/user-image.png')
                    .expect('Cache-Control', testUtils.cacheRules.hour)
                    .expect(200)
                    .end(doEnd(done));
            });

            it('should retrieve theme assets', function (done) {
                request.get('/assets/css/screen.css')
                    .expect('Cache-Control', testUtils.cacheRules.year)
                    .expect(200)
                    .end(doEnd(done));
            });

            it('should retrieve built assets', function (done) {
                request.get('/ghost/scripts/vendor-dev.js')
                    .expect('Cache-Control', testUtils.cacheRules.year)
                    .expect(200)
                    .end(doEnd(done));
            });

            it('should retrieve default robots.txt', function (done) {
                request.get('/robots.txt')
                    .expect('Cache-Control', testUtils.cacheRules.hour)
                    .expect('ETag', /[0-9a-f]{32}/i)
                    .expect(200)
                    .end(doEnd(done));
            });

            it('should retrieve default favicon.ico', function (done) {
                request.get('/favicon.ico')
                    .expect('Cache-Control', testUtils.cacheRules.day)
                    .expect('ETag', /[0-9a-f]{32}/i)
                    .expect(200)
                    .end(doEnd(done));
            });

            // at the moment there is no image fixture to test
            // it('should retrieve image assets', function (done) {
            // request.get('/content/images/some.jpg')
            //    .expect('Cache-Control', testUtils.cacheRules.year)
            //    .end(doEnd(done));
            // });
        });
    });

    describe('Static page', function () {
        before(function (done) {
            testUtils.initData().then(function () {
                return testUtils.fixtures.insertPosts();
            }).then(function () {
                done();
            });
        });

        after(testUtils.teardown);

        it('should redirect without slash', function (done) {
            request.get('/static-page-test')
                .expect('Location', '/static-page-test/')
                .expect('Cache-Control', testUtils.cacheRules.year)
                .expect(301)
                .end(doEnd(done));
        });

        it('should respond with xml', function (done) {
            request.get('/static-page-test/')
                .expect('Content-Type', /html/)
                .expect('Cache-Control', testUtils.cacheRules['public'])
                .expect(200)
                .end(doEnd(done));
        });
    });

    describe('Post with Ghost in the url', function () {
        before(function (done) {
            testUtils.initData().then(function () {
                return testUtils.fixtures.insertPosts();
            }).then(function () {
                done();
            });
        });

        after(testUtils.teardown);

        // All of Ghost's admin depends on the /ghost/ in the url to work properly
        // Badly formed regexs can cause breakage if a post slug starts with the 5 letters ghost
        it('should retrieve a blog post with ghost at the start of the url', function (done) {
            request.get('/ghostly-kitchen-sink/')
                .expect('Cache-Control', testUtils.cacheRules['public'])
                .expect(200)
                .end(doEnd(done));
        });
    });

    describe('Archive pages', function () {
        // Add enough posts to trigger pages for both the archive (5 pp) and rss (15 pp)
        // insertPosts adds 5 published posts, 1 draft post, 1 published static page and one draft page
        // we then insert with max 11 which ensures we have 16 published posts
        before(function (done) {
            testUtils.initData().then(function () {
                return testUtils.fixtures.insertPosts();
            }).then(function () {
                return testUtils.fixtures.insertMorePosts(9);
            }).then(function () {
                done();
            }).catch(done);
        });

        after(testUtils.teardown);

        it('should redirect without slash', function (done) {
            request.get('/page/2')
                .expect('Location', '/page/2/')
                .expect('Cache-Control', testUtils.cacheRules.year)
                .expect(301)
                .end(doEnd(done));
        });

        it('should respond with html', function (done) {
            request.get('/page/2/')
                .expect('Content-Type', /html/)
                .expect('Cache-Control', testUtils.cacheRules['public'])
                .expect(200)
                .end(doEnd(done));
        });

        it('should redirect page 1', function (done) {
            request.get('/page/1/')
                .expect('Location', '/')
                .expect('Cache-Control', testUtils.cacheRules['public'])
                // TODO: This should probably be a 301?
                .expect(302)
                .end(doEnd(done));
        });

        it('should redirect to last page if page too high', function (done) {
            request.get('/page/4/')
                .expect('Location', '/page/3/')
                .expect('Cache-Control', testUtils.cacheRules['public'])
                .expect(302)
                .end(doEnd(done));
        });

        it('should redirect to first page if page too low', function (done) {
            request.get('/page/0/')
                .expect('Location', '/')
                .expect('Cache-Control', testUtils.cacheRules['public'])
                .expect(302)
                .end(doEnd(done));
        });
    });

    describe('RSS', function () {
        before(function (done) {
            testUtils.initData().then(function () {
                return testUtils.fixtures.overrideOwnerUser();
            }).then(function () {
                done();
            });
        });

        after(testUtils.teardown);

        it('should redirect without slash', function (done) {
            request.get('/rss')
                .expect('Location', '/rss/')
                .expect('Cache-Control', testUtils.cacheRules.year)
                .expect(301)
                .end(doEnd(done));
        });

        it('should respond with xml', function (done) {
            request.get('/rss/')
                .expect('Content-Type', 'text/xml; charset=utf-8')
                .expect('Cache-Control', testUtils.cacheRules['public'])
                .expect(200)
                .end(function (err, res) {
                    if (err) {
                        return done(err);
                    }

                    should.not.exist(res.headers['x-cache-invalidate']);
                    should.not.exist(res.headers['X-CSRF-Token']);
                    should.not.exist(res.headers['set-cookie']);
                    should.exist(res.headers.date);

                    var content = res.text,
                        siteTitle = '<title><![CDATA[Ghost]]></title>',
                        siteDescription = '<description><![CDATA[Just a blogging platform.]]></description>',
                        siteUrl = '<link>http://127.0.0.1:2369/</link>',
                        postTitle = '<![CDATA[Welcome to Ghost]]>',
                        postStart = '<description><![CDATA[<p>You\'re live!',
                        postEnd = 'you think :)</p>]]></description>',
                        postLink = '<link>http://127.0.0.1:2369/welcome-to-ghost/</link>',
                        postCreator = '<dc:creator><![CDATA[Joe Bloggs]]>',
                        author = '<author>';

                    content.indexOf('<rss').should.be.above(0);
                    content.indexOf(siteTitle).should.be.above(0);
                    content.indexOf(siteDescription).should.be.above(0);
                    content.indexOf(siteUrl).should.be.above(0);
                    content.indexOf(postTitle).should.be.above(0);
                    content.indexOf(postStart).should.be.above(0);
                    content.indexOf(postEnd).should.be.above(0);
                    content.indexOf(postLink).should.be.above(0);
                    content.indexOf(postCreator).should.be.above(0);
                    content.indexOf('</rss>').should.be.above(0);
                    content.indexOf(author).should.be.below(0);
                    content.indexOf(postCreator).should.be.above(0);

                    done();
                });
        });

        it('should not have as second page', function (done) {
            request.get('/rss/2/')
                // TODO this should probably redirect straight to /rss/ with 301?
                .expect('Location', '/rss/1/')
                .expect('Cache-Control', testUtils.cacheRules['public'])
                .expect(302)
                .end(doEnd(done));
        });

        it('should get redirected to /rss/ from /feed/', function (done) {
            request.get('/feed/')
                .expect('Location', '/rss/')
                .expect('Cache-Control', testUtils.cacheRules.year)
                .expect(301)
                .end(doEnd(done));
        });

        describe('RSS pages', function () {
            before(function (done) {
                testUtils.fixtures.insertPosts().then(function () {
                    return testUtils.fixtures.insertMorePosts(11);
                }).then(function () {
                    done();
                }).catch(done);
            });
            it('should redirect without slash', function (done) {
                request.get('/rss/2')
                    .expect('Location', '/rss/2/')
                    .expect('Cache-Control', testUtils.cacheRules.year)
                    .expect(301)
                    .end(doEnd(done));
            });

            it('should respond with xml', function (done) {
                request.get('/rss/2/')
                    .expect('Content-Type', /xml/)
                    .expect('Cache-Control', testUtils.cacheRules['public'])
                    .expect(200)
                    .end(doEnd(done));
            });

            it('should redirect page 1', function (done) {
                request.get('/rss/1/')
                    .expect('Location', '/rss/')
                    .expect('Cache-Control', testUtils.cacheRules['public'])
                    // TODO: This should probably be a 301?
                    .expect(302)
                    .end(doEnd(done));
            });

            it('should redirect to last page if page too high', function (done) {
                request.get('/rss/3/')
                    .expect('Location', '/rss/2/')
                    .expect('Cache-Control', testUtils.cacheRules['public'])
                    .expect(302)
                    .end(doEnd(done));
            });

            it('should redirect to first page if page too low', function (done) {
                request.get('/rss/0/')
                    .expect('Location', '/rss/')
                    .expect('Cache-Control', testUtils.cacheRules['public'])
                    .expect(302)
                    .end(doEnd(done));
            });
        });
    });

    describe('Author pages', function () {
        // Add enough posts to trigger tag pages
        before(function (done) {
            testUtils.clearData().then(function () {
                // we initialise data, but not a user. No user should be required for navigating the frontend
                return testUtils.initData();
            }).then(function () {
                return testUtils.fixtures.insertPosts();
            }).then(function () {
                return testUtils.fixtures.insertMorePosts(9);
            }).then(function () {
                done();
            }).catch(done);
        });

        after(testUtils.teardown);

        it('should redirect without slash', function (done) {
            request.get('/author/ghost-owner/page/2')
                .expect('Location', '/author/ghost-owner/page/2/')
                .expect('Cache-Control', testUtils.cacheRules.year)
                .expect(301)
                .end(doEnd(done));
        });

        it('should respond with html', function (done) {
            request.get('/author/ghost-owner/page/2/')
                .expect('Content-Type', /html/)
                .expect('Cache-Control', testUtils.cacheRules['public'])
                .expect(200)
                .end(doEnd(done));
        });

        it('should redirect page 1', function (done) {
            request.get('/author/ghost-owner/page/1/')
                .expect('Location', '/author/ghost-owner/')
                .expect('Cache-Control', testUtils.cacheRules['public'])
                // TODO: This should probably be a 301?
                .expect(302)
                .end(doEnd(done));
        });

        it('should redirect to last page if page too high', function (done) {
            request.get('/author/ghost-owner/page/4/')
                .expect('Location', '/author/ghost-owner/page/3/')
                .expect('Cache-Control', testUtils.cacheRules['public'])
                .expect(302)
                .end(doEnd(done));
        });

        it('should redirect to first page if page too low', function (done) {
            request.get('/author/ghost-owner/page/0/')
                .expect('Location', '/author/ghost-owner/')
                .expect('Cache-Control', testUtils.cacheRules['public'])
                .expect(302)
                .end(doEnd(done));
        });

        describe('Author based RSS pages', function () {
            it('should redirect without slash', function (done) {
                request.get('/author/ghost-owner/rss')
                    .expect('Location', '/author/ghost-owner/rss/')
                    .expect('Cache-Control', testUtils.cacheRules.year)
                    .expect(301)
                    .end(doEnd(done));
            });

            it('should respond with xml', function (done) {
                request.get('/author/ghost-owner/rss/')
                    .expect('Content-Type', /xml/)
                    .expect('Cache-Control', testUtils.cacheRules['public'])
                    .expect(200)
                    .end(doEnd(done));
            });

            it('should redirect page 1', function (done) {
                request.get('/author/ghost-owner/rss/1/')
                    .expect('Location', '/author/ghost-owner/rss/')
                    .expect('Cache-Control', testUtils.cacheRules['public'])
                    // TODO: This should probably be a 301?
                    .expect(302)
                    .end(doEnd(done));
            });

            it('should redirect to last page if page too high', function (done) {
                request.get('/author/ghost-owner/rss/2/')
                    .expect('Location', '/author/ghost-owner/rss/1/')
                    .expect('Cache-Control', testUtils.cacheRules['public'])
                    .expect(302)
                    .end(doEnd(done));
            });

            it('should redirect to first page if page too low', function (done) {
                request.get('/author/ghost-owner/rss/0/')
                    .expect('Location', '/author/ghost-owner/rss/')
                    .expect('Cache-Control', testUtils.cacheRules['public'])
                    .expect(302)
                    .end(doEnd(done));
            });
        });
    });

    describe('Tag pages', function () {
        // Add enough posts to trigger tag pages
        before(function (done) {
            testUtils.initData().then(function () {
                return testUtils.fixtures.insertPosts();
            }).then(function () {
                return testUtils.fixtures.insertMorePosts(22);
            }).then(function () {
                return testUtils.fixtures.insertMorePostsTags(22);
            }).then(function () {
                done();
            }).catch(done);
        });

        after(testUtils.teardown);

        it('should redirect without slash', function (done) {
            request.get('/tag/injection/page/2')
                .expect('Location', '/tag/injection/page/2/')
                .expect('Cache-Control', testUtils.cacheRules.year)
                .expect(301)
                .end(doEnd(done));
        });

        it('should respond with html', function (done) {
            request.get('/tag/injection/page/2/')
                .expect('Content-Type', /html/)
                .expect('Cache-Control', testUtils.cacheRules['public'])
                .expect(200)
                .end(doEnd(done));
        });

        it('should redirect page 1', function (done) {
            request.get('/tag/injection/page/1/')
                .expect('Location', '/tag/injection/')
                .expect('Cache-Control', testUtils.cacheRules['public'])
                // TODO: This should probably be a 301?
                .expect(302)
                .end(doEnd(done));
        });

        it('should redirect to last page if page too high', function (done) {
            request.get('/tag/injection/page/4/')
                .expect('Location', '/tag/injection/page/3/')
                .expect('Cache-Control', testUtils.cacheRules['public'])
                .expect(302)
                .end(doEnd(done));
        });

        it('should redirect to first page if page too low', function (done) {
            request.get('/tag/injection/page/0/')
                .expect('Location', '/tag/injection/')
                .expect('Cache-Control', testUtils.cacheRules['public'])
                .expect(302)
                .end(doEnd(done));
        });

        describe('Tag based RSS pages', function () {
            it('should redirect without slash', function (done) {
                request.get('/tag/getting-started/rss')
                    .expect('Location', '/tag/getting-started/rss/')
                    .expect('Cache-Control', testUtils.cacheRules.year)
                    .expect(301)
                    .end(doEnd(done));
            });

            it('should respond with xml', function (done) {
                request.get('/tag/getting-started/rss/')
                    .expect('Content-Type', /xml/)
                    .expect('Cache-Control', testUtils.cacheRules['public'])
                    .expect(200)
                    .end(doEnd(done));
            });

            it('should redirect page 1', function (done) {
                request.get('/tag/getting-started/rss/1/')
                    .expect('Location', '/tag/getting-started/rss/')
                    .expect('Cache-Control', testUtils.cacheRules['public'])
                    // TODO: This should probably be a 301?
                    .expect(302)
                    .end(doEnd(done));
            });

            it('should redirect to last page if page too high', function (done) {
                request.get('/tag/getting-started/rss/2/')
                    .expect('Location', '/tag/getting-started/rss/1/')
                    .expect('Cache-Control', testUtils.cacheRules['public'])
                    .expect(302)
                    .end(doEnd(done));
            });

            it('should redirect to first page if page too low', function (done) {
                request.get('/tag/getting-started/rss/0/')
                    .expect('Location', '/tag/getting-started/rss/')
                    .expect('Cache-Control', testUtils.cacheRules['public'])
                    .expect(302)
                    .end(doEnd(done));
            });
        });
    });

    // we'll use X-Forwarded-Proto: https to simulate an 'https://' request behind a proxy
    describe('HTTPS', function () {
        var forkedGhost, request;
        before(function (done) {
            var configTestHttps = testUtils.fork.config();
            configTestHttps.forceAdminSSL = {redirect: false};
            configTestHttps.urlSSL = 'https://localhost/';

            testUtils.fork.ghost(configTestHttps, 'testhttps')
                .then(function (child) {
                    forkedGhost = child;
                    request = require('supertest');
                    request = request(configTestHttps.url.replace(/\/$/, ''));
                }).then(done).catch(done);
        });

        after(function (done) {
            if (forkedGhost) {
                forkedGhost.kill(done);
            }
        });

        it('should set links to url over non-HTTPS', function (done) {
            request.get('/')
                .expect(200)
                .expect(/<link rel="canonical" href="http:\/\/127.0.0.1:2370\/" \/\>/)
                .expect(/<a href="http:\/\/127.0.0.1:2370">Ghost<\/a\>/)
                .end(doEnd(done));
        });

        it('should set links to urlSSL over HTTPS', function (done) {
            request.get('/')
                .set('X-Forwarded-Proto', 'https')
                .expect(200)
                .expect(/<link rel="canonical" href="https:\/\/localhost\/" \/\>/)
                .expect(/<a href="https:\/\/localhost">Ghost<\/a\>/)
                .end(doEnd(done));
        });
    });

    describe('Date permalinks', function () {
        before(function (done) {
            // Only way to swap permalinks setting is to login and visit the URL because
            // poking the database doesn't work as settings are cached
            testUtils.togglePermalinks(request, 'date').then(function () {
                done();
            });
        });

        it('should load a post with date permalink', function (done) {
            // get today's date
            var date  = moment().format('YYYY/MM/DD');

            request.get('/' + date + '/welcome-to-ghost/')
                .expect(200)
                .expect('Content-Type', /html/)
                .end(doEnd(done));
        });

        it('should serve RSS with date permalink', function (done) {
            request.get('/rss/')
                .expect('Content-Type', 'text/xml; charset=utf-8')
                .expect('Cache-Control', testUtils.cacheRules['public'])
                .expect(200)
                .end(function (err, res) {
                    if (err) {
                        return done(err);
                    }

                    should.not.exist(res.headers['x-cache-invalidate']);
                    should.not.exist(res.headers['X-CSRF-Token']);
                    should.not.exist(res.headers['set-cookie']);
                    should.exist(res.headers.date);

                    var content = res.text,
                        today = new Date(),
                        dd = ('0' + today.getDate()).slice(-2),
                        mm = ('0' + (today.getMonth() + 1)).slice(-2),
                        yyyy = today.getFullYear(),
                        postLink = '/' + yyyy + '/' + mm + '/' + dd + '/welcome-to-ghost/';

                    content.indexOf(postLink).should.be.above(0);

                    done();
                });
        });
    });
});