var should = require('should'),
    _ = require('lodash'),
    rewire = require('rewire'),
    uuid = require('uuid'),
    testUtils = require('../utils'),
    configUtils = require('../utils/configUtils'),
    packageInfo = require('../../../package'),
    updateCheck = rewire('../../server/update-check'),
    settingsCache = require('../../server/settings/cache'),
    NotificationsAPI = require('../../server/api/notifications');

describe('Update Check', function () {
    after(function () {
        return NotificationsAPI.destroyAll(testUtils.context.internal);
    });

    describe('Reporting to UpdateCheck', function () {
        before(function () {
            configUtils.set('privacy:useUpdateCheck', true);
        });

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

        beforeEach(testUtils.setup('owner', 'settings', 'posts', 'perms:setting', 'perms:user', 'perms:init'));

        afterEach(testUtils.teardown);

        it('should report the correct data', function (done) {
            var updateCheckData = updateCheck.__get__('updateCheckData');

            updateCheckData().then(function (data) {
                should.exist(data);
                data.ghost_version.should.equal(packageInfo.version);
                data.node_version.should.equal(process.versions.node);
                data.env.should.equal(process.env.NODE_ENV);
                data.database_type.should.match(/sqlite3|mysql/);
                data.blog_id.should.be.a.String();
                data.blog_id.should.not.be.empty();
                data.theme.should.be.equal('casper');
                data.apps.should.be.a.String();
                data.blog_created_at.should.be.a.Number();
                data.user_count.should.be.above(0);
                data.post_count.should.be.above(0);
                data.npm_version.should.be.a.String();
                data.npm_version.should.not.be.empty();
                data.lts.should.eql(false);

                done();
            }).catch(done);
        });
    });

    describe('Custom Notifications', function () {
        var currentVersionOrig;

        before(function () {
            currentVersionOrig = updateCheck.__get__('currentVersion');
            updateCheck.__set__('currentVersion', '0.9.0');
        });

        after(function () {
            updateCheck.__set__('currentVersion', currentVersionOrig);
        });

        beforeEach(testUtils.setup('owner', 'posts', 'settings', 'perms:setting', 'perms:notification', 'perms:user', 'perms:init'));

        afterEach(testUtils.teardown);

        it('should create a custom notification for target version', function (done) {
            var createCustomNotification = updateCheck.__get__('createCustomNotification'),
                message = {
                    id: uuid.v4(),
                    version: '0.9.x',
                    content: '<p>Hey there! This is for 0.9.0 version</p>'
                };

            createCustomNotification(message).then(function () {
                return NotificationsAPI.browse(testUtils.context.internal);
            }).then(function (results) {
                should.exist(results);
                should.exist(results.notifications);
                results.notifications.length.should.be.above(0);
                should.exist(_.find(results.notifications, {uuid: message.id}));
                done();
            }).catch(done);
        });

        it('should not create notifications meant for other versions', function (done) {
            var createCustomNotification = updateCheck.__get__('createCustomNotification'),
                message = {
                    id: uuid.v4(),
                    version: '0.5.x',
                    content: '<p>Hey there! This is for 0.5.0 version</p>'
                };

            createCustomNotification(message).then(function () {
                return NotificationsAPI.browse(testUtils.context.internal);
            }).then(function (results) {
                should.not.exist(_.find(results.notifications, {uuid: message.id}));
                done();
            }).catch(done);
        });
    });

    describe('Show notification', function () {
        var currentVersionOrig;

        before(function () {
            currentVersionOrig = updateCheck.__get__('currentVersion');
        });

        after(function () {
            updateCheck.__set__('currentVersion', currentVersionOrig);
        });

        beforeEach(testUtils.setup('settings', 'perms:setting', 'perms:notification', 'perms:init'));

        afterEach(testUtils.teardown);

        it('should show update notification', function (done) {
            var showUpdateNotification = updateCheck.__get__('showUpdateNotification');

            updateCheck.__set__('currentVersion', '1.7.1');
            settingsCache.set('display_update_notification', {value: '1.9.0'});

            showUpdateNotification()
                .then(function (result) {
                    result.should.eql('1.9.0');
                    done();
                })
                .catch(done);
        });

        it('should show update notification', function (done) {
            var showUpdateNotification = updateCheck.__get__('showUpdateNotification');

            updateCheck.__set__('currentVersion', '1.7.1');
            settingsCache.set('display_update_notification', {value: '2.0.0'});

            showUpdateNotification()
                .then(function (result) {
                    result.should.eql('2.0.0');
                    done();
                })
                .catch(done);
        });

        it('should not show update notification: latest minor release is not greater than your Ghost version', function (done) {
            var showUpdateNotification = updateCheck.__get__('showUpdateNotification');

            updateCheck.__set__('currentVersion', '1.9.0');
            settingsCache.set('display_update_notification', {value: '1.9.0'});

            showUpdateNotification()
                .then(function (result) {
                    result.should.eql(false);
                    done();
                })
                .catch(done);
        });

        it('should not show update notification: latest minor release is not greater than your Ghost version', function (done) {
            var showUpdateNotification = updateCheck.__get__('showUpdateNotification');

            updateCheck.__set__('currentVersion', '1.9.1');
            settingsCache.set('display_update_notification', {value: '1.9.1'});

            showUpdateNotification()
                .then(function (result) {
                    result.should.eql(false);
                    done();
                })
                .catch(done);
        });

        it('should not show update notification: latest release is a patch', function (done) {
            var showUpdateNotification = updateCheck.__get__('showUpdateNotification');

            updateCheck.__set__('currentVersion', '1.9.0');
            settingsCache.set('display_update_notification', {value: '1.9.1'});

            showUpdateNotification()
                .then(function (result) {
                    result.should.eql(false);
                    done();
                })
                .catch(done);
        });

        it('should not show update notification: latest release is a patch', function (done) {
            var showUpdateNotification = updateCheck.__get__('showUpdateNotification');

            updateCheck.__set__('currentVersion', '1.9.1');
            settingsCache.set('display_update_notification', {value: '1.9.0'});

            showUpdateNotification()
                .then(function (result) {
                    result.should.eql(false);
                    done();
                })
                .catch(done);
        });
    });
});