var TVE_Dash = TVE_Dash || {};
TVE_Dash.API = TVE_Dash.API || {};
TVE_Dash.API.models = TVE_Dash.API.models || {};
TVE_Dash.API.collections = TVE_Dash.API.collections || {};
TVE_Dash.API.views = TVE_Dash.API.views || {};
(function ( $ ) {
	'use strict';

	_.templateSettings = {
		evaluate: /<#([\s\S]+?)#>/g,
		interpolate: /<#=([\s\S]+?)#>/g,
		escape: /<#-([\s\S]+?)#>/g
	};

	Backbone.emulateHTTP = true;

	var appRouter = Backbone.Router.extend( {
		routes: {
			"done/:api": 'done',
			"failed/:api": 'failed',
			'edit/:api': 'edit'
		},
		done: function ( api ) {
			TVE_Dash.API.ConnectedAPIs.findWhere( {key: api} ).set( 'state', 'done' );
		},
		failed: function ( api ) {
			TVE_Dash.API.ToBeConnected.set( {key: api, state: 'error', response: {message: tve_dash_api_error.message, success: false}} );
		},
		edit: function ( api ) {
			TVE_Dash.API.ConnectedAPIs.findWhere( {key: api} ).set( 'state', 'edit' );
		}
	} );

	TVE_Dash.API.models.Connection = Backbone.Model.extend( {
		defaults: {
			state: ''
		}
	} );

	TVE_Dash.API.models.ToBeConnected = Backbone.Model.extend( {
		defaults: {
			state: 'new'
		}
	} );
	TVE_Dash.API.models.APIType = Backbone.Model.extend( {} );
	TVE_Dash.API.collections.APITypes = Backbone.Collection.extend( {
		model: TVE_Dash.API.models.APIType
	} );

	TVE_Dash.API.collections.Connections = Backbone.Collection.extend( {
		model: TVE_Dash.API.models.Connection,
		getAPIs: function ( connected ) {
			if ( connected !== true ) {
				connected = false;
			}
			var connected = this.filter( function ( item ) {
				return item.get( 'connected' ) === connected;
			} );

			return new TVE_Dash.API.collections.Connections( connected );
		},
		getByType: function ( type ) {
			if ( type === undefined ) {
				return this;
			}

			var filtered = this.filter( function ( item ) {
				return item.get( 'type' ) === type;
			} );

			return new TVE_Dash.API.collections.Connections( filtered );
		}
	} );

	TVE_Dash.API.views.Connection = Backbone.View.extend( {
		initialize: function () {
			this.listenTo( this.model, 'change:state', _.bind( this.renderState, this ) );
		},
		render: function () {
			this.renderState();
			return this;
		},
		renderState: function () {
			var state,
				view,
				param;

			if ( ! this.model.get( 'state' ).length ) {
				state = 'connected';
			} else {
				state = this.model.get( 'state' )[0].toUpperCase() + this.model.get( 'state' ).slice( 1 );
			}

			if ( TVE_Dash.API.views["Connection" + state] ) {
				view = new TVE_Dash.API.views['Connection' + state]( {
					model: this.model,
					collection: this.collection
				} );
			} else {
				view = new TVE_Dash.API.views.ConnectionConnected( {
					model: this.model,
					collection: this.collection
				} );
			}

			if ( state === 'Edit' ) {
				param = true;
			}

			view.render( param );

			this.$el.replaceWith( view.$el );
			this.setElement( view.$el );
			if ( window.rebindWistiaFancyBoxes ) {
				window.rebindWistiaFancyBoxes();
			}
			this.$el.find( 'select' ).select2();
			return this;
		}
	} );

	TVE_Dash.API.views.ConnectionConnected = Backbone.View.extend( {
		className: "tvd-col tvd-s6 tvd-ms6 tvd-m4 tvd-l3",
		events: {
			'click .tvd-api-edit': function () {
				this.collection.each( _.bind( function ( item ) {
					item.set( 'state', 'connected' );
				}, this ) );
				this.model.set( 'state', 'edit' );
			},
			'click .tvd-api-test': function () {
				this.model.set( 'state', 'test' );
			},
			'click .tvd-api-delete': function () {
				this.model.set( 'state', 'delete' );
			}
		},
		render: function () {

			TVE_Dash.API.ToBeConnected.set( 'state', 'new' );

			this.$el.html( TVE_Dash.tpl( 'tvd-api-connected', {item: this.model} ) );
			return this;
		}
	} );

	TVE_Dash.API.views.ConnectionTest = Backbone.View.extend( {
		className: "tvd-col tvd-s6 tvd-ms6 tvd-m4 tvd-l3",
		events: {
			'click .tvd-close-card': function () {
				this.model.set( 'state', 'connected' );
			},
			'click .tvd-close-anywhere': function () {
				this.model.set( 'state', 'connected' );
			}
		},
		render: function () {
			this.$el.html( TVE_Dash.tpl( 'tvd-api-connection-hover', {
				text: TVE_Dash_Const.translations.Testing,
				color: '',
				icon: 'tvd-no-icon'
			} ) );

			TVE_Dash.cardLoader( this.$el.find( '.tvd-card' ) );

			this.test();

			return this;
		},
		test: function () {
			var self = this,
				ajax = $.ajax( {
					type: 'post',
					url: ajaxurl,
					dataType: 'json',
					data: {
						api: this.model.get( 'key' ),
						action: TVE_Dash_Const.actions.api_handle_save,
						test: true
					}
				} );

			ajax.fail( function () {
				self.model.set( 'title', 'Connection Error' );
				self.model.set( 'state', 'connected' );
			} );

			ajax.done( function ( response ) {
				var model = {};
				if ( response.success ) {
					model.text = TVE_Dash_Const.translations.ConnectionWorks;
					model.color = 'tvd-green tvd-close-anywhere';
					model.icon = 'tvd-icon-check';
					self.$el.html( TVE_Dash.tpl( 'tvd-api-connection-hover', model ) );
				} else {
					self.model.set( 'response', response );
					self.model.set( 'state', 'error' );
				}
			} );
		}
	} );

	TVE_Dash.API.views.ConnectionError = Backbone.View.extend( {
		className: "tvd-col tvd-s6 tvd-ms6 tvd-m4 tvd-l3",
		events: {
			'click .tvd-api-edit': function () {
				this.model.set( 'state', 'edit' );
			},
			'click .tvd-close-card': function () {
				this.model.set( 'state', 'connected' );
			}
		},
		render: function () {
			this.$el.html( TVE_Dash.tpl( 'tvd-api-connection-error', {item: this.model} ) );
			return this;
		}
	} );

	TVE_Dash.API.views.ConnectionDelete = Backbone.View.extend( {
		className: "tvd-col tvd-s6 tvd-ms6 tvd-m4 tvd-l3",
		events: {
			'click .tvd-api-delete-yes': 'yes',
			'click .tvd-api-delete-no': function () {
				this.model.set( 'state', 'connected' );
			}
		},
		render: function () {
			this.$el.html( TVE_Dash.tpl( 'tvd-api-confirm-delete', {item: this.model} ) );
			return this;
		},
		yes: function () {
			var self = this,
				ajax = $.ajax( {
					type: 'post',
					url: ajaxurl,
					data: {
						api: this.model.get( 'key' ),
						action: TVE_Dash_Const.actions.api_handle_save,
						disconnect: true
					},
					dataType: 'json'
				} );

			this.$el.find( '.tvd-card' ).replaceWith( TVE_Dash.tpl( 'tvd-api-connection-hover', {
				text: TVE_Dash_Const.translations.Deleting,
				color: 'tvd-red',
				icon: 'tvd-icon-spinner mdi-pulse'
			} ) );

			ajax.fail( function ( response ) {
				self.model.set( 'state', 'connected' );
			} );

			ajax.done( function ( response ) {
				if ( response.success ) {
					var unconnected = new TVE_Dash.API.models.Connection( {
						connected: false,
						key: self.model.get( 'key' ),
						credentials: self.model.get( 'credentials' ),
						title: self.model.get( 'title' ),
						type: self.model.get( 'type' ),
						logoUrl: self.model.get( 'logoUrl' )
					} );
					/**
					 * Refresh the page just to allow QA to run automatic tests
					 */
//						self.collection.remove( self.model );
//						self.remove();
					//TVE_Dash.API.AvailableAPIs.push( unconnected );
					window.location.reload();
				} else {
					self.model.set( 'state', 'connected' );
				}
			} );
		}
	} );

	TVE_Dash.API.views.ConnectionDone = Backbone.View.extend( {
		className: "tvd-col tvd-s6 tvd-ms6 tvd-m4 tvd-l3",
		events: {
			'click .tvd-api-done': function () {
				this.model.set( 'state', 'connected' );
				TVE_Dash.API.router.navigate( '', {trigger: true} );
			}
		},
		render: function () {
			this.$el.html( TVE_Dash.tpl( 'tvd-api-state-success', {item: this.model} ) );
			return this;
		}
	} );

	TVE_Dash.API.views.ConnectionSuccess = TVE_Dash.API.views.ConnectionDone.extend( {} )

	TVE_Dash.API.views.NewState = Backbone.View.extend( {
		className: "tvd-col tvd-s12 tvd-m4 tvd-l3",
		events: {
			'click .tvd-card-content': function () {
				this.model.set( 'state', 'select' );
			}
		},
		render: function () {
			this.$el.html( TVE_Dash.tpl( 'tvd-api-state-new', {item: this.model} ) );
			return this;
		}
	} );

	TVE_Dash.API.views.HiddenState = Backbone.View.extend( {
		render: function () {
			return this;
		}
	} );

	TVE_Dash.API.views.SelectState = Backbone.View.extend( {
		className: "tvd-col tvd-s12 tvd-m4 tvd-l3",
		events: {
			'change #selected-api': 'onAPISelect'
		},
		render: function () {
			this.$el.html( TVE_Dash.tpl( 'tvd-api-state-select', {
				item: this.model
			} ) );
			this.renderAPIsList();

			return this;
		},
		onAPISelect: function ( event ) {
			var $select = $( event.target );
			if ( $select.val() === 'none' ) {
				return;
			}
			this.model.set( 'key', $select.val() );
			this.model.set( 'title', $( 'option:selected', event.target ).text() );
			this.model.set( 'state', 'form' );
		},
		renderAPIsList: function () {
			var $select = this.$el.find( '#selected-api' );
			TVE_Dash.API.APITypes.each( function ( type ) {
				var $optgroup = $( '<optgroup/>' ).attr( 'label', type.get( 'label' ) ),
					APIs = this.collection.getAPIs( false ).getByType( type.get( 'type' ) );
				APIs.each( function ( api ) {
					var $option = $( '<option/>' ).html( api.get( 'title' ) ).attr( 'value', api.get( 'key' ) );
					$optgroup.append( $option );
				}, this );
				if ( APIs.length ) {
					$select.append( $optgroup );
				}
			}, this );
		}
	} );

	TVE_Dash.API.views.FormState = Backbone.View.extend( {
		className: "tvd-col tvd-s6 tvd-ms6 tvd-m4 tvd-l3",
		input_selector: 'input[type=text], input[type=password], input[type=email], input[type=url], input[type=tel], input[type=number], input[type=search], textarea',
		events: {
			'click .tvd-api-cancel': function () {
				this.model.set( 'state', 'new' );
			},
			'click .tvd-api-connect': 'connect',
			'click .tvd-api-redirect': 'redirect',
			'click .tvd-api-show-extra-options': 'showExtraOptions',
			'click .tvd-api-hide-extra-options': 'hideExtraOptions',
			'keypress .tvd-api-add-chip': 'addChip',
			'click .tvd-icon-close2': 'deleteChip'
		},
		render: function ( editMode ) {
//				$( '#tvd-add-new-api' ).hide();
			var excluded = ['awsses', 'campaignmonitor', 'get-response'];
			TVE_Dash.API.ToBeConnected.set( 'state', 'hidden' );

			this.$el.html( TVE_Dash.tpl( 'tvd-api-state-form', {item: this.model} ) );
			this.$el.find( '.tvd-card-content' ).prepend( TVE_Dash.tpl( 'tvd-api-form-' + this.model.get( 'key' ), {item: this.model} ) );
			if ( editMode !== true && excluded.indexOf( this.model.get( 'key' ) ) == - 1 ) {
				this.$el.find( 'input[type="text"]' ).val( '' );
			}

			//activate labels for inputs with value
			this.$el.find( this.input_selector ).each( function ( index, element ) {
				if ( $( element ).val().length > 0 || $( this ).attr( 'placeholder' ) !== undefined || $( element )[0].validity.badInput === true ) {
					$( this ).siblings( 'label' ).addClass( 'tvd-active' );
				}
				else {
					$( this ).siblings( 'label, i' ).removeClass( 'tvd-active' );
				}
			} );
			if ( this.model.get( 'new_credentials' ) === 1 ) {
				var self = this;
				$.each( this.model.get( 'credentials' ), function ( index, field ) {
					self.$el.find( 'input[name="connection[' + index + ']"]' ).val( field );
				} );
				this.model.unset( 'new_credentials' );
			}

			if ( this.model.get( 'key' ) === 'mailchimp' ) {
				var checked = this.$( '#tvd-show-mandrill-options' ).is( ':checked' );

				if ( checked ) {
					this.$( '.tvd-extra-options' ).removeClass( 'tvd-hide' );
				}
			}

			return this;
		},
		showExtraOptions: function () {
			this.$( '.tvd-extra-options' ).removeClass( 'tvd-hide' );

			if ( this.model.get( 'key' ) === 'mailchimp' ) {
				var checked = this.$( '#tvd-show-mandrill-options' ).is( ':checked' );
				this.$( '#tvd-show-mandrill-options' ).val( checked );
				this.model.set( {show_mandrill: checked} );

				if ( ! checked ) {
					this.$( '.tvd-extra-options' ).addClass( 'tvd-hide' );
				}
			}

			TVE_Dash.materialize( this.$el );
		},
		hideExtraOptions: function () {
			this.$( '.tvd-extra-options' ).addClass( 'tvd-hide' );
		},
		addChip: function ( event ) {
			if ( event.keyCode !== 13 ) {
				return;
			}

			var $manager = $( event.target );
			if ( ! $manager.val().length ) {
				return;
			}
			var $input = $( '<input/>' ).attr( 'type', 'hidden' ).attr( 'name', $manager.data( 'name' ) ).val( $manager.val() );
			var $chip = $( '<div class="tvd-chip">' + $manager.val() + '<i class="tvd-icon-close2"></i></div>' );

			$chip.on( 'click', '.tvd-icon-close2', _.bind( this.deleteChip, this ) );

			this.$el.find( 'form' ).prepend( $input );
			this.$el.find( '.tvd-api-chip-wrapper' ).append( $chip );
			$manager.val( '' );
		},
		deleteChip: function ( event ) {
			var $chip = $( event.target ).parent();
			var text = $chip.contents().filter( function () {
				return this.nodeType === 3;
			} ).text();
			this.$el.find( 'input[value="' + text + '"]' ).remove();
			$chip.remove();
		},
		connect: function () {
			var data = this.$el.find( 'form' ).serialize(),
				data_array = {};
			$.each( this.$el.find( 'form' ).serializeArray(), function ( i, field ) {
				data_array[field.name] = field.value;
			} );
			data += "&action=" + TVE_Dash_Const.actions.api_handle_save;
			var new_credentials = {};
			for ( var index in this.model.get( 'credentials' ) ) {
				new_credentials[index] = data_array['connection[' + index + ']'];
			}

			var self = this,
				request = $.ajax( {
					url: ajaxurl,
					type: 'post',
					dataType: 'json',
					data: data
				} );
			TVE_Dash.cardLoader( this.$el );
			request.fail( function ( response ) {
				TVE_Dash.hideCardLoader( self.$el );
				self.model.set( 'response', {
					success: false,
					message: TVE_Dash_Const.translations.UnknownError
				} );
				self.model.set( 'state', 'error' );
			} );

			request.done( function ( response ) {
				TVE_Dash.hideCardLoader( self.$el );
				if ( ! response.success ) {
					self.model.set( 'response', response );
					self.model.set( "state", "error" );
				} else if ( response === "0" ) {
					self.model.set( 'response', {
						success: false,
						message: TVE_Dash_Const.translations.UnknownError
					} );
					self.model.set( "state", "error" );
				} else {
					self.model.set( 'credentials', new_credentials );
					self.model.set( 'new_credentials', 1 );
					self.model.set( 'response', response );
					self.model.set( "state", "success" );

					/* this is used to let TCB know that a new api has been connected */
					TVE_Dash.LocalStorage.set( 'tve_new_api', {key: data_array.api, name: self.model.get( 'title' )} );

					if ( window.location.hash.indexOf( 'tve_new_api' ) !== - 1 ) {
						/* this means that the tab was opened from tcb so we close the tab so we can go back */
						window.close();
					}
				}
			} );
		},
		redirect: function () {
			var data = this.$el.find( 'form' ).serialize(),
				data_array = {};

			$.each( this.$el.find( 'form' ).serializeArray(), function ( i, field ) {
				data_array[field.name] = field.value;
			} );
			data += "&action=" + TVE_Dash_Const.actions.api_handle_redirect;
			var new_credentials = {};
			for ( var index in this.model.get( 'credentials' ) ) {
				new_credentials[index] = data_array['connection[' + index + ']'];
			}

			var self = this,
				request = $.ajax( {
					url: ajaxurl,
					type: 'post',
					dataType: 'json',
					data: data
				} );
			TVE_Dash.cardLoader( this.$el );
			request.fail( function ( response ) {
				TVE_Dash.hideCardLoader( self.$el );
				self.model.set( 'response', {
					success: false,
					message: TVE_Dash_Const.translations.UnknownError
				} );
				self.model.set( 'state', 'error' );
			} );

			request.done( function ( response ) {
				if ( ! response.success ) {
					self.model.set( 'response', response );
					self.model.set( "state", "error" );
				} else if ( response === "0" ) {
					self.model.set( 'response', {
						success: false,
						message: TVE_Dash_Const.translations.UnknownError
					} );
					self.model.set( "state", "error" );
				} else {
					window.location.href = response.message;
				}
				TVE_Dash.hideCardLoader( self.$el );
			} );
		}
	} );

	TVE_Dash.API.views.ErrorState = Backbone.View.extend( {
		className: "tvd-col tvd-s6 tvd-ms6 tvd-m4 tvd-l3",
		events: {
			'click .tvd-api-cancel': function () {
				this.model.set( 'state', 'new' );
			},
			'click .tvd-api-retry': function () {
				this.model.set( 'state', 'form' );
			}
		},
		render: function () {
			this.$el.html( TVE_Dash.tpl( 'tvd-api-state-error', {item: this.model} ) );
			return this;
		}
	} );

	TVE_Dash.API.views.SuccessState = Backbone.View.extend( {
		className: "tvd-col tvd-s6 tvd-ms6 tvd-m4 tvd-l3",
		events: {
			'click .tvd-api-done': function () {
				var connected = TVE_Dash.API.AvailableAPIs.findWhere( {key: this.model.get( 'key' )} );
				connected.set( 'connected', true );
				connected.set( 'state', 'connected' );

				//clear the model and set its state to new
				//to display the add new connection state
				this.model.clear( {
					silent: true
				} );
				this.model.set( 'state', 'new' );

				TVE_Dash.API.ConnectedAPIs.push( connected );
				TVE_Dash.API.AvailableAPIs.remove( connected );
			}
		},
		render: function () {
			this.$el.html( TVE_Dash.tpl( 'tvd-api-state-success', {item: this.model} ) );
			return this;
		}
	} );

	TVE_Dash.API.views.ToBeConnected = Backbone.View.extend( {
		className: 'tvd-col',
		initialize: function () {
			this.listenTo( this.model, 'change:state', _.bind( this.renderState, this ) )
		},
		render: function () {
			if ( this.collection.getAPIs( false ).length <= 0 ) {
				this.$el.html( '' );
				return this;
			}
			this.renderState();
			return this;
		},
		renderState: function () {
			var state = this.model.get( 'state' )[0].toUpperCase() + this.model.get( 'state' ).slice( 1 );

			if ( TVE_Dash.API.views[state + "State"] ) {
				var view = new TVE_Dash.API.views[state + 'State']( {
					model: this.model,
					collection: this.collection
				} );
			} else {
				var view = new TVE_Dash.API.views.NewState( {
					model: this.model
				} );
			}
			view.render();
			this.$el.replaceWith( view.$el );
			this.setElement( view.$el );
			this.$el.find( 'select' ).select2();
			if ( window.rebindWistiaFancyBoxes ) {
				window.rebindWistiaFancyBoxes();
			}
		}
	} );

	TVE_Dash.API.views.ConnectionEdit = TVE_Dash.API.views.FormState.extend( {} );

	TVE_Dash.API.views.App = Backbone.View.extend( {
		el: '.tvd-api-list',
		initialize: function () {
			this.listenTo( this.collection, 'add', _.bind( this.renderConnection, this ) );
		},
		render: function () {
			this.$el.html( '' );
			this.renderAddNewConnection( TVE_Dash.API.ToBeConnected );
			this.collection.each( this.renderConnection, this );

		},
		renderConnection: function ( item ) {
			var v = new TVE_Dash.API.views.Connection( {
				model: item,
				collection: this.collection
			} );
			this.$el.find( '> .tvd-col' ).last().before( v.render().$el );
		},
		renderAddNewConnection: function ( item ) {
			var v = new TVE_Dash.API.views.ToBeConnected( {
				model: item,
				collection: TVE_Dash.API.AvailableAPIs
			} );
			this.$el.append( v.render().$el );
		}
	} );

	$( function () {
		window.app = new TVE_Dash.API.views.App( {
			collection: TVE_Dash.API.ConnectedAPIs
		} );
		window.app.render();
		TVE_Dash.API.router = new appRouter;
		Backbone.history.start();

		TVE_Dash.showLoader();

		setTimeout( function () {
			$( '.tvd-show-onload' ).removeClass( 'tvd-hide' );
			TVE_Dash.hideLoader();
		}, 200 );
	} );

})( jQuery );
