// # Dynamic Routing Tests
// As it stands, these tests depend on the database, and as such are integration tests.
// These tests are here to cover the headers sent with requests and high-level redirects that can't be
// tested with the unit tests
const should = require('should');
const supertest = require('supertest');
const sinon = require('sinon');
const moment = require('moment');
const testUtils = require('../../utils');
const configUtils = require('../../utils/config-utils');
const cheerio = require('cheerio');
const config = require('../../../core/shared/config');
const themeEngine = require('../../../core/frontend/services/theme-engine');

let request;

describe('Dynamic 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(async function () {
        await testUtils.startGhost({
            copyThemes: true,
            copySettings: true,
            redirectsFile: true
        });

        sinon.stub(themeEngine.getActive(), 'config').withArgs('posts_per_page').returns(5);
        request = supertest.agent(config.get('url'));
    });

    after(function () {
        sinon.restore();
    });

    describe('Collection Index', 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);
                    }

                    const $ = 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');
                    $('body.home-template').length.should.equal(1);
                    $('article.post').length.should.equal(7);

                    done();
                });
        });

        it('should not have a third page', function (done) {
            request.get('/page/3/')
                .expect('Cache-Control', testUtils.cacheRules.noCache)
                .expect(404)
                .expect(/Page not found/)
                .end(doEnd(done));
        });
    });

    describe('Collection Entry', function () {
        before(function () {
            return testUtils.initData().then(function () {
                return testUtils.fixtures.overrideOwnerUser();
            }).then(function () {
                return testUtils.fixtures.insertPostsAndTags();
            });
        });

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

        it('should not render page with dated permalink', function (done) {
            const date = moment().format('YYYY/MM/DD');

            request.get('/' + date + '/static-page-test/')
                .expect('Content-Type', /html/)
                .expect('Cache-Control', testUtils.cacheRules.noCache)
                .expect(404)
                .end(doEnd(done));
        });
    });

    describe('Tag', function () {
        before(async function () {
            await testUtils.teardownDb();
            await testUtils.initData();
            await testUtils.fixtures.overrideOwnerUser('ghost-owner');
        });

        after(testUtils.teardownDb);

        it('should return HTML for valid route', function (done) {
            request.get('/tag/getting-started/')
                .expect(200)
                .expect('Content-Type', /html/)
                .expect('Content-Type', /html/)
                .expect('Cache-Control', testUtils.cacheRules.public)
                .expect(200)
                .end(function (err, res) {
                    if (err) {
                        return done(err);
                    }

                    const $ = 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);

                    $('body').attr('class').should.eql('tag-template tag-getting-started has-sans-title has-sans-body');
                    $('article.post').length.should.equal(5);

                    done();
                });
        });

        it('should 404 for /tag/ route', function (done) {
            request.get('/tag/')
                .expect('Cache-Control', testUtils.cacheRules.noCache)
                .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.noCache)
                .expect(404)
                .expect(/Page not found/)
                .end(doEnd(done));
        });

        it('should 404 for unknown tag with invalid characters', function (done) {
            request.get('/tag/~$pectacular~/')
                .expect('Cache-Control', testUtils.cacheRules.noCache)
                .expect(404)
                .expect(/Page not found/)
                .end(doEnd(done));
        });

        describe('RSS', 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));
            });
        });

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

            it('should redirect to tag settings', function (done) {
                request.get('/tag/getting-started/edit/')
                    .expect('Location', 'http://127.0.0.1:2369/ghost/#/tags/getting-started/')
                    .expect('Cache-Control', testUtils.cacheRules.public)
                    .expect(302)
                    .end(doEnd(done));
            });

            it('should 404 for non-edit parameter', function (done) {
                request.get('/tag/getting-started/notedit/')
                    .expect('Cache-Control', testUtils.cacheRules.noCache)
                    .expect(404)
                    .expect(/Page not found/)
                    .end(doEnd(done));
            });
        });

        describe('Edit with admin redirects disabled', function () {
            before(function () {
                configUtils.set('admin:redirects', false);

                return testUtils.startGhost()
                    .then(function () {
                        sinon.stub(themeEngine.getActive(), 'config').withArgs('posts_per_page').returns(5);
                        request = supertest.agent(config.get('url'));
                    });
            });

            after(async function () {
                await configUtils.restore();

                await testUtils.startGhost();
                sinon.stub(themeEngine.getActive(), 'config').withArgs('posts_per_page').returns(5);
                request = supertest.agent(config.get('url'));
            });

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

            it('should not redirect to admin', function (done) {
                request.get('/tag/getting-started/edit/')
                    .expect(404)
                    .expect('Cache-Control', testUtils.cacheRules.noCache)
                    .end(doEnd(done));
            });
        });
    });

    describe('Author', function () {
        const lockedUser = {
            name: 'Locked so what',
            slug: 'locked-so-what',
            email: 'locked@example.com',
            status: 'locked'
        };

        const suspendedUser = {
            name: 'Suspended meeh',
            slug: 'suspended-meeh',
            email: 'suspended@example.com',
            status: 'inactive'
        };

        const ownerSlug = 'ghost-owner';

        before(function (done) {
            testUtils.teardownDb().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.overrideOwnerUser(ownerSlug);
            }).then(function (insertedUser) {
                return testUtils.fixtures.insertPosts([
                    testUtils.DataGenerator.forKnex.createPost({
                        authors: [{
                            id: insertedUser.id
                        }]
                    })
                ]);
            }).then(function () {
                return testUtils.fixtures.insertOneUser(lockedUser);
            }).then(function (insertedUser) {
                return testUtils.fixtures.insertPosts([
                    testUtils.DataGenerator.forKnex.createPost({
                        authors: [{
                            id: insertedUser.id
                        }]
                    })
                ]);
            }).then(() => {
                return testUtils.fixtures.insertOneUser(suspendedUser);
            }).then(function (insertedUser) {
                return testUtils.fixtures.insertPosts([
                    testUtils.DataGenerator.forKnex.createPost({
                        authors: [{
                            id: insertedUser.id
                        }]
                    })
                ]);
            }).then(function () {
                done();
            }).catch(done);
        });

        after(testUtils.teardownDb);

        it('should 404 for /author/ route', function (done) {
            request.get('/author/')
                .expect('Cache-Control', testUtils.cacheRules.noCache)
                .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.noCache)
                .expect(404)
                .expect(/Page not found/)
                .end(doEnd(done));
        });

        it('should 404 for unknown author with invalid characters', function (done) {
            request.get('/author/ghost!user^/')
                .expect('Cache-Control', testUtils.cacheRules.noCache)
                .expect(404)
                .expect(/Page not found/)
                .end(doEnd(done));
        });

        it('[success] author is locked', function (done) {
            request.get('/author/' + lockedUser.slug + '/')
                .expect('Cache-Control', testUtils.cacheRules.public)
                .expect(200)
                .end(doEnd(done));
        });

        it('[success] author is suspended', function (done) {
            request.get('/author/' + suspendedUser.slug + '/')
                .expect('Cache-Control', testUtils.cacheRules.public)
                .expect(200)
                .end(doEnd(done));
        });

        it('[failure] ghost owner before blog setup', function (done) {
            testUtils.fixtures.changeOwnerUserStatus({
                slug: ownerSlug,
                status: 'inactive'
            }).then(function () {
                request.get('/author/ghost-owner/')
                    .expect('Cache-Control', testUtils.cacheRules.public)
                    .expect(200)
                    .end(doEnd(done));
            }).catch(done);
        });

        it('[success] ghost owner after blog setup', function (done) {
            testUtils.fixtures.changeOwnerUserStatus({
                slug: ownerSlug,
                status: 'active'
            }).then(function () {
                request.get('/author/ghost-owner/')
                    .expect('Cache-Control', testUtils.cacheRules.public)
                    .expect(200)
                    .end(doEnd(done));
            });
        });

        describe('RSS', 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));
            });
        });

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

            it('should redirect to editor', function (done) {
                request.get('/author/ghost-owner/edit/')
                    .expect('Location', 'http://127.0.0.1:2369/ghost/#/settings/staff/ghost-owner/')
                    .expect('Cache-Control', testUtils.cacheRules.public)
                    .expect(302)
                    .end(doEnd(done));
            });

            it('should 404 for something that isn\'t edit', function (done) {
                request.get('/author/ghost-owner/notedit/')
                    .expect('Cache-Control', testUtils.cacheRules.noCache)
                    .expect(404)
                    .expect(/Page not found/)
                    .end(doEnd(done));
            });
        });

        describe('Edit with admin redirects disabled', function () {
            before(function () {
                configUtils.set('admin:redirects', false);

                return testUtils.startGhost()
                    .then(function () {
                        sinon.stub(themeEngine.getActive(), 'config').withArgs('posts_per_page').returns(5);
                        request = supertest.agent(config.get('url'));
                    });
            });

            after(async function () {
                await configUtils.restore();

                await testUtils.startGhost();
                sinon.stub(themeEngine.getActive(), 'config').withArgs('posts_per_page').returns(5);
                request = supertest.agent(config.get('url'));
            });

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

            it('should not redirect to admin', function (done) {
                request.get('/author/ghost-owner/edit/')
                    .expect('Cache-Control', testUtils.cacheRules.noCache)
                    .expect(404)
                    .end(doEnd(done));
            });
        });

        describe('Paged', function () {
            // Add enough posts to trigger pages
            before(function (done) {
                testUtils.teardownDb().then(function () {
                    // we initialize data, but not a user. No user should be required for navigating the frontend
                    return testUtils.initData();
                }).then(function () {
                    return testUtils.fixtures.insertPostsAndTags();
                }).then(function () {
                    return testUtils.fixtures.insertExtraPosts(9);
                }).then(function () {
                    return testUtils.fixtures.overrideOwnerUser('ghost-owner');
                }).then(function () {
                    done();
                }).catch(done);
            });

            after(testUtils.teardownDb);

            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.year)
                    .expect(301)
                    .end(doEnd(done));
            });

            it('should 404 if page too high', function (done) {
                request.get('/author/ghost-owner/page/6/')
                    .expect('Cache-Control', testUtils.cacheRules.noCache)
                    .expect(404)
                    .expect(/Page not found/)
                    .end(doEnd(done));
            });

            it('should 404 if page too low', function (done) {
                request.get('/author/ghost-owner/page/0/')
                    .expect('Cache-Control', testUtils.cacheRules.noCache)
                    .expect(404)
                    .expect(/Page not found/)
                    .end(doEnd(done));
            });

            describe('RSS', function () {
                it('should 404 if index attempted with 0', function (done) {
                    request.get('/author/ghost-owner/rss/0/')
                        .expect('Cache-Control', testUtils.cacheRules.noCache)
                        .expect(404)
                        .expect(/Page not found/)
                        .end(doEnd(done));
                });

                it('should 404 if index attempted with 1', function (done) {
                    request.get('/author/ghost-owner/rss/1/')
                        .expect('Cache-Control', testUtils.cacheRules.noCache)
                        .expect(404)
                        .expect(/Page not found/)
                        .end(doEnd(done));
                });

                it('should 404 for other pages', function (done) {
                    request.get('/author/ghost-owner/rss/2/')
                        .expect('Cache-Control', testUtils.cacheRules.noCache)
                        .expect(404)
                        .expect(/Page not found/)
                        .end(doEnd(done));
                });
            });
        });
    });
});
