/**
 * Copyright (c) 2015 Vincent Petry <pvince81@owncloud.com>
 *
 * @author Christoph Wurst <christoph@winzerhof-wurst.at>
 * @author Joas Schilling <coding@schilljs.com>
 * @author John Molakvoæ <skjnldsv@protonmail.com>
 * @author Juan Pablo Villafáñez <jvillafanez@solidgear.es>
 * @author Julius Härtl <jus@bitgrid.net>
 * @author Robin Appelman <robin@icewind.nl>
 * @author Robin McCorkell <robin@mccorkell.me.uk>
 * @author Roeland Jago Douma <roeland@famdouma.nl>
 * @author Vincent Petry <vincent@nextcloud.com>
 *
 * @license AGPL-3.0-or-later
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 *
 */

describe('OCA.Files_External.Settings tests', function() {
	var clock;
	var select2Stub;
	var select2ApplicableUsers;

	beforeEach(function() {
		clock = sinon.useFakeTimers();
		select2ApplicableUsers = [];
		select2Stub = sinon.stub($.fn, 'select2').callsFake(function(args) {
			if (args === 'val') {
				return select2ApplicableUsers;
			}
			return {
				on: function() { return this; }
			};
		});

		// view still requires an existing DOM table
		$('#testArea').append(
			'<table id="externalStorage" data-admin="true">' +
			'<thead></thead>' +
			'<tbody>' +
			'<tr id="addMountPoint" data-id="">' +
			'<td class="status"></td>' +
			'<td class="mountPoint"><input type="text" name="mountPoint"/></td>' +
			'<td class="backend">' +
			'<select class="selectBackend">' +
			'<option disable selected>Add storage</option>' +
			'<option value="\\OC\\TestBackend">Test Backend</option>' +
			'<option value="\\OC\\AnotherTestBackend">Another Test Backend</option>' +
			'<option value="\\OC\\InputsTestBackend">Inputs test backend</option>' +
			'</select>' +
			'</td>' +
			'<td class="authentication"></td>' +
			'<td class="configuration"></td>' +
			'<td class="applicable">' +
			'<input type="checkbox" class="applicableToAllUsers">' +
			'<input type="hidden" class="applicableUsers">' +
			'</td>' +
			'<td class="mountOptionsToggle">'+
			'<div class="icon-more" title="Advanced settings" deluminate_imagetype="unknown"></div>'+
			'<input type="hidden" class="mountOptions"/>'+
			'</td>'+
			'<td class="save">'+
			'<div class="icon-checkmark" title="Save" deluminate_imagetype="unknown"></div>'+
			'</td>'+
			'</tr>' +
			'</tbody>' +
			'</table>'
		);
		// these are usually appended into the data attribute
		// within the DOM by the server template
		$('#externalStorage .selectBackend:first').data('configurations', {
				'\\OC\\TestBackend': {
					'identifier': '\\OC\\TestBackend',
					'name': 'Test Backend',
					'configuration': {
						'field1': {
							'value': 'Display Name 1'
						},
						'field2': {
							'value': 'Display Name 2',
							'flags': 1
						}
					},
					'authSchemes': {
						'builtin': true,
					},
					'priority': 11
				},
				'\\OC\\AnotherTestBackend': {
					'identifier': '\\OC\\AnotherTestBackend',
					'name': 'Another Test Backend',
					'configuration': {
						'field1': {
							'value': 'Display Name 1'
						},
						'field2': {
							'value': 'Display Name 2',
							'flags': 1
						}
					},
					'authSchemes': {
						'builtin': true,
					},
					'priority': 12
				},
				'\\OC\\InputsTestBackend': {
					'identifier': '\\OC\\InputsTestBackend',
					'name': 'Inputs test backend',
					'configuration': {
						'field_text': {
							'value': 'Text field'
						},
						'field_password': {
							'value': ',Password field',
							'type': 2
						},
						'field_bool': {
							'value': 'Boolean field',
							'type': 1
						},
						'field_hidden': {
							'value': 'Hidden field',
							'type': 3
						},
						'field_text_optional': {
							'value': 'Text field optional',
							'flags': 1
						},
						'field_password_optional': {
							'value': 'Password field optional',
							'flags': 1,
							'type': 2
						}
					},
					'authSchemes': {
						'builtin': true,
					},
					'priority': 13
				}
			}
		);

		$('#externalStorage #addMountPoint .authentication:first').data('mechanisms', {
			'mechanism1': {
				'identifier': 'mechanism1',
				'name': 'Mechanism 1',
				'configuration': {
				},
				'scheme': 'builtin',
				'visibility': 3
			},
		});

	});
	afterEach(function() {
		select2Stub.restore();
		clock.restore();
	});

	describe('storage configuration', function() {
		var view;

		function selectBackend(backendName) {
			view.$el.find('.selectBackend:first').val(backendName).trigger('change');
			view.$el.find('.applicableToAllUsers').prop('checked', true).trigger('change');
		}

		beforeEach(function() {
			var $el = $('#externalStorage');
			view = new OCA.Files_External.Settings.MountConfigListView($el, {encryptionEnabled: false});
		});
		afterEach(function() {
			view = null;
		});
		describe('selecting backend', function() {
			it('populates the row and creates a new empty one', function() {
				selectBackend('\\OC\\TestBackend');
				var $firstRow = view.$el.find('tr:first');
				expect($firstRow.find('.backend').text()).toEqual('Test Backend');
				expect($firstRow.find('.selectBackend').length).toEqual(0);

				// TODO: check "remove" button visibility

				// the suggested mount point name
				expect($firstRow.find('[name=mountPoint]').val()).toEqual('TestBackend');

				// TODO: check that the options have been created

				// TODO: check select2 call on the ".applicableUsers" element

				var $emptyRow = $firstRow.next('tr');
				expect($emptyRow.length).toEqual(1);
				expect($emptyRow.find('.selectBackend').length).toEqual(1);
				expect($emptyRow.find('.applicable select').length).toEqual(0);

				// TODO: check "remove" button visibility
			});
			it('shows row even if selection row is hidden', function() {
				selectBackend('\\OC\\TestBackend');
				view.$el.find('tr#addMountPoint').hide();
				expect(view.$el.find('tr:first').is(':visible')).toBe(true);
				expect(view.$el.find('tr#addMountPoint').is(':visible')).toBe(false);
			});
			// TODO: test with personal mounts (no applicable fields)
			// TODO: test suggested mount point logic
		});
		describe('saving storages', function() {
			var $tr;

			beforeEach(function() {
				selectBackend('\\OC\\TestBackend');
				$tr = view.$el.find('tr:first');
			});
			it('saves storage after clicking the save button', function() {
				var $field1 = $tr.find('input[data-parameter=field1]');
				expect($field1.length).toEqual(1);
				$field1.val('test');
				$field1.trigger(new $.Event('keyup', {keyCode: 97}));

				var $mountOptionsField = $tr.find('input.mountOptions');
				expect($mountOptionsField.length).toEqual(1);
				$mountOptionsField.val(JSON.stringify({previews:true}));

				var $saveButton = $tr.find('td.save .icon-checkmark');
				$saveButton.click();

				expect(fakeServer.requests.length).toEqual(1);
				var request = fakeServer.requests[0];
				expect(request.url).toEqual(OC.getRootPath() + '/index.php/apps/files_external/globalstorages');
				expect(JSON.parse(request.requestBody)).toEqual({
					backend: '\\OC\\TestBackend',
					authMechanism: 'mechanism1',
					backendOptions: {
						'field1': 'test',
						'field2': ''
					},
					mountPoint: 'TestBackend',
					priority: 11,
					applicableUsers: [],
					applicableGroups: [],
					mountOptions: {
						'previews': true
					},
					testOnly: true
				});

				// TODO: respond and check data-id
			});
			it('saves storage with applicable users', function() {
				var $field1 = $tr.find('input[data-parameter=field1]');
				expect($field1.length).toEqual(1);
				$field1.val('test');
				$field1.trigger(new $.Event('keyup', {keyCode: 97}));

				$tr.find('.applicableToAllUsers').prop('checked', false).trigger('change');
				select2ApplicableUsers = ['user1', 'user2', 'group1(group)', 'group2(group)'];

				var $saveButton = $tr.find('td.save .icon-checkmark');
				$saveButton.click();

				expect(fakeServer.requests.length).toEqual(1);
				var request = fakeServer.requests[0];
				expect(request.url).toEqual(OC.getRootPath() + '/index.php/apps/files_external/globalstorages');
				expect(JSON.parse(request.requestBody)).toEqual({
					backend: '\\OC\\TestBackend',
					authMechanism: 'mechanism1',
					backendOptions: {
						'field1': 'test',
						'field2': ''
					},
					mountPoint: 'TestBackend',
					priority: 11,
					applicableUsers: ['user1', 'user2'],
					applicableGroups: ['group1', 'group2'],
					mountOptions: {
						encrypt: true,
						previews: true,
						enable_sharing: false,
						filesystem_check_changes: 1,
						encoding_compatibility: false,
						readonly: false,
					},
					testOnly: true
				});

				// TODO: respond and check data-id
			});
			it('does not saves storage without applicable users and unchecked all users checkbox', function() {
				var $field1 = $tr.find('input[data-parameter=field1]');
				expect($field1.length).toEqual(1);
				$field1.val('test');
				$field1.trigger(new $.Event('keyup', {keyCode: 97}));

				$tr.find('.applicableToAllUsers').prop('checked', false).trigger('change');

				var $saveButton = $tr.find('td.save .icon-checkmark');
				$saveButton.click();

				expect(fakeServer.requests.length).toEqual(0);
			});

			it('saves storage after closing mount options popovermenu', function() {
				$tr.find('.mountOptionsToggle .icon-more').click();
				$tr.find('[name=previews]').trigger(new $.Event('keyup', {keyCode: 97}));
				$tr.find('input[data-parameter=field1]').val('test');

				// does not save inside the popovermenu
				expect(fakeServer.requests.length).toEqual(0);

				$('body').mouseup();

				// but after closing the popovermenu
				expect(fakeServer.requests.length).toEqual(1);
			});
			// TODO: status indicator
		});
		describe('validate storage configuration', function() {
			var $tr;

			beforeEach(function() {
				selectBackend('\\OC\\InputsTestBackend');
				$tr = view.$el.find('tr:first');
			});

			it('lists missing fields in storage errors', function() {
				$tr.find('.applicableToAllUsers').prop('checked', false).trigger('change');
				var storage = view.getStorageConfig($tr);

				expect(storage.errors).toEqual({
					backendOptions: ['field_text', 'field_password'],
					requiredApplicable: true,
				});
			});

			it('does not list applicable when all users checkbox is ticked', function() {
				var storage = view.getStorageConfig($tr);

				expect(storage.errors).toEqual({
					backendOptions: ['field_text', 'field_password']
				});
			});

			it('highlights missing non-optional fields', function() {
				_.each([
					'field_text',
					'field_password'
				], function(param) {
					expect($tr.find('input[data-parameter='+param+']').hasClass('warning-input')).toBe(true);
				});
				_.each([
					'field_bool',
					'field_hidden',
					'field_text_optional',
					'field_password_optional'
				], function(param) {
					expect($tr.find('input[data-parameter='+param+']').hasClass('warning-input')).toBe(false);
				});
			});

			it('validates correct storage', function() {
				$tr.find('[name=mountPoint]').val('mountpoint');

				$tr.find('input[data-parameter=field_text]').val('foo');
				$tr.find('input[data-parameter=field_password]').val('bar');
				$tr.find('input[data-parameter=field_text_optional]').val('foobar');
				// don't set field_password_optional
				$tr.find('input[data-parameter=field_hidden]').val('baz');

				var storage = view.getStorageConfig($tr);

				expect(storage.validate()).toBe(true);
			});

			it('checks missing mount point', function() {
				$tr.find('[name=mountPoint]').val('');

				$tr.find('input[data-parameter=field_text]').val('foo');
				$tr.find('input[data-parameter=field_password]').val('bar');

				var storage = view.getStorageConfig($tr);

				expect(storage.validate()).toBe(false);
			});
		});
		describe('update storage', function() {
			// TODO
		});
		describe('delete storage', function() {
			// TODO
		});
		describe('recheck storages', function() {
			// TODO
		});
		describe('mount options popovermenu', function() {
			var $tr;
			var $td;

			beforeEach(function() {
				selectBackend('\\OC\\TestBackend');
				$tr = view.$el.find('tr:first');
				$td = $tr.find('.mountOptionsToggle');
			});

			it('shows popovermenu when clicking on toggle button, hides when clicking outside', function() {
				$td.find('.icon-more').click();

				expect($td.find('.popovermenu.open').length).toEqual(1);

				$('body').mouseup();

				expect($td.find('.popovermenu.open').length).toEqual(0);
			});

			it('doesnt show the encryption option when encryption is disabled', function () {
				view._encryptionEnabled = false;
				$td.find('.icon-more').click();

				expect($td.find('.popovermenu [name=encrypt]:visible').length).toEqual(0);

				$('body').mouseup();

				expect($td.find('.popovermenu.open').length).toEqual(0);
			});

			it('reads config from mountOptions field', function() {
				$tr.find('input.mountOptions').val(JSON.stringify({previews:false}));

				$td.find('.icon-more').click();
				expect($td.find('.popovermenu [name=previews]').prop('checked')).toEqual(false);
				$('body').mouseup();

				$tr.find('input.mountOptions').val(JSON.stringify({previews:true}));
				$td.find('.icon-more').click();
				expect($td.find('.popovermenu [name=previews]').prop('checked')).toEqual(true);
			});

			it('writes config into mountOptions field', function() {
				$td.find('.icon-more').click();
				// defaults to true
				var $field = $td.find('.popovermenu [name=previews]');
				expect($field.prop('checked')).toEqual(true);
				$td.find('.popovermenu [name=filesystem_check_changes]').val(0);
				$('body').mouseup();

				expect(JSON.parse($tr.find('input.mountOptions').val())).toEqual({
					encrypt: true,
					previews: true,
					enable_sharing: false,
					filesystem_check_changes: 0,
					encoding_compatibility: false,
					readonly: false
				});
			});
		});
	});
	describe('allow user mounts section', function() {
		// TODO: test allowUserMounting section
	});
});