/*globals describe, beforeEach, afterEach, it*/
/*jshint expr:true*/
var assert          = require('assert'),
    should          = require('should'),
    sinon           = require('sinon'),
    middleware      = require('../../server/middleware').middleware;

describe('Middleware', function () {
    // TODO: needs new test for ember admin
    // describe('redirectToDashboard', function () {
    //     var req, res;

    //     beforeEach(function () {
    //         req = {
    //             session: {}
    //         };

    //         res = {
    //             redirect: sinon.spy()
    //         };
    //     });

    //     it('should redirect to dashboard', function () {
    //         req.session.user = {};

    //         middleware.redirectToDashboard(req, res, null);
    //         assert(res.redirect.calledWithMatch('/ghost/'));
    //     });

    //     it('should call next if no user in session', function (done) {
    //         middleware.redirectToDashboard(req, res, function (a) {
    //             should.not.exist(a);
    //             assert(res.redirect.calledOnce.should.be.false);
    //             done();
    //         });
    //     });
    // });

    describe('cacheControl', function () {
        var res;

        beforeEach(function () {
            res = {
                set: sinon.spy()
            };
        });

        it('correctly sets the public profile headers', function (done) {
            middleware.cacheControl('public')(null, res, function (a) {
                should.not.exist(a);
                res.set.calledOnce.should.be.true;
                res.set.calledWith({'Cache-Control': 'public, max-age=0'});
                done();
            });
        });

        it('correctly sets the private profile headers', function (done) {
            middleware.cacheControl('private')(null, res, function (a) {
                should.not.exist(a);
                res.set.calledOnce.should.be.true;
                res.set.calledWith({
                    'Cache-Control':
                        'no-cache, private, no-store, must-revalidate, max-stale=0, post-check=0, pre-check=0'
                });
                done();
            });
        });

        it('will not set headers without a profile', function (done) {
            middleware.cacheControl()(null, res, function (a) {
                should.not.exist(a);
                res.set.called.should.be.false;
                done();
            });
        });
    });

    describe('whenEnabled', function () {
        var cbFn, blogApp;

        beforeEach(function () {
            cbFn = sinon.spy();
            blogApp = {
                enabled: function (setting) {
                    if (setting === 'enabled') {
                        return true;
                    } else {
                        return false;
                    }
                }
            };
            middleware.cacheBlogApp(blogApp);
        });

        it('should call function if setting is enabled', function (done) {
            var req = 1, res = 2, next = 3;

            middleware.whenEnabled('enabled', function (a, b, c) {
                assert.equal(a, 1);
                assert.equal(b, 2);
                assert.equal(c, 3);
                done();
            })(req, res, next);
        });

        it('should call next() if setting is disabled', function (done) {
            middleware.whenEnabled('rando', cbFn)(null, null, function (a) {
                should.not.exist(a);
                cbFn.calledOnce.should.be.false;
                done();
            });
        });
    });

    describe('staticTheme', function () {
        beforeEach(function () {
            sinon.stub(middleware, 'forwardToExpressStatic').yields();
        });

        afterEach(function () {
            middleware.forwardToExpressStatic.restore();
        });

        it('should call next if hbs file type', function (done) {
            var req = {
                url: 'mytemplate.hbs'
            };

            middleware.staticTheme(null)(req, null, function (a) {
                should.not.exist(a);
                middleware.forwardToExpressStatic.calledOnce.should.be.false;
                done();
            });
        });

        it('should call next if md file type', function (done) {
            var req = {
                url: 'README.md'
            };

            middleware.staticTheme(null)(req, null, function (a) {
                should.not.exist(a);
                middleware.forwardToExpressStatic.calledOnce.should.be.false;
                done();
            });
        });

        it('should call next if json file type', function (done) {
            var req = {
                url: 'sample.json'
            };

            middleware.staticTheme(null)(req, null, function (a) {
                should.not.exist(a);
                middleware.forwardToExpressStatic.calledOnce.should.be.false;
                done();
            });
        });

        it('should call express.static if valid file type', function (done) {
            var req = {
                    url: 'myvalidfile.css'
                };

            middleware.staticTheme(null)(req, null, function (reqArg, res, next) {
                /*jshint unused:false */
                middleware.forwardToExpressStatic.calledOnce.should.be.true;
                assert.deepEqual(middleware.forwardToExpressStatic.args[0][0], req);
                done();
            });
        });
    });

    describe('isSSLRequired', function () {
        var isSSLrequired = middleware.isSSLrequired;

        it('SSL is required if config.url starts with https', function () {
            isSSLrequired(undefined, 'https://example.com', undefined).should.be.true;
        });

        it('SSL is required if isAdmin and config.forceAdminSSL is set', function () {
            isSSLrequired(true, 'http://example.com', true).should.be.true;
        });

        it('SSL is not required if config.url starts with "http:/" and forceAdminSSL is not set', function () {
            isSSLrequired(false, 'http://example.com', false).should.be.false;
        });
    });

    describe('sslForbiddenOrRedirect', function () {
        var sslForbiddenOrRedirect = middleware.sslForbiddenOrRedirect;
        it('Return forbidden if config forces admin SSL for AdminSSL redirect is false.', function () {
            var response = sslForbiddenOrRedirect({
                forceAdminSSL: {redirect: false},
                configUrl: 'http://example.com'
            });
            response.isForbidden.should.be.true;
        });

        it('If not forbidden, should produce SSL to redirect to when config.url ends with no slash', function () {
            var response = sslForbiddenOrRedirect({
                forceAdminSSL: {redirect: true},
                configUrl: 'http://example.com/config/path',
                reqUrl: '/req/path'
            });
            response.isForbidden.should.be.false;
            response.redirectUrl({}).should.equal('https://example.com/config/path/req/path');
        });

        it('If config ends is slash, potential double-slash in resulting URL is removed', function () {
            var response = sslForbiddenOrRedirect({
                forceAdminSSL: {redirect: true},
                configUrl: 'http://example.com/config/path/',
                reqUrl: '/req/path'
            });
            response.redirectUrl({}).should.equal('https://example.com/config/path/req/path');
        });

        it('If config.urlSSL is provided it is preferred over config.url', function () {
            var response = sslForbiddenOrRedirect({
                forceAdminSSL: {redirect: true},
                configUrl: 'http://example.com/config/path/',
                configUrlSSL: 'https://example.com/ssl/config/path/',
                reqUrl: '/req/path'
            });
            response.redirectUrl({}).should.equal('https://example.com/ssl/config/path/req/path');
        });

        it('query string in request is preserved in redirect URL', function () {
            var response = sslForbiddenOrRedirect({
                forceAdminSSL: {redirect: true},
                configUrl: 'http://example.com/config/path/',
                configUrlSSL: 'https://example.com/ssl/config/path/',
                reqUrl: '/req/path'
            });
            response.redirectUrl({a: 'b'}).should.equal('https://example.com/ssl/config/path/req/path?a=b');
        });
    });
});