/* =========================================================
 * composer-automapper.js v0.2.1
 * =========================================================
 * Copyright 2013 Wpbakery
 *
 * Visual composer automapper for shortcodes
 * ========================================================= */
var vc_am = {
	current_form: false
};
(function ( $ ) {
	"use strict";
	_.extend( wp.shortcode.prototype, {
		taggedString: function () {
			var text = '[<span class="vc_preview-tag">' + this.tag + '</span>';

			_.each( this.attrs.numeric, function ( value ) {
				if ( /\s/.test( value ) ) {
					text += ' <span class="vc_preview-param">"' + value + '"</span>';
				} else {
					text += ' <span class="vc_preview-param">' + value + '</span>';
				}
			} );

			_.each( this.attrs.named, function ( value, name ) {
				text += ' <span class="vc_preview-param">' + name + '="' + value + '"</span>';
			} );

			// If the tag is marked as `single` or `self-closing`, close the
			// tag and ignore any additional content.
			if ( 'single' === this.type ) {
				return text + ']';
			} else if ( 'self-closing' === this.type ) {
				return text + ' /]';
			}

			// Complete the opening tag.
			text += ']';

			if ( this.content ) {
				text += '<span class="vc_preview-content">' + this.content + '</span>';
			}

			// Add the closing tag.
			return text + '[/<span class="vc_preview-tag">' + this.tag + '</span>]';
		}
	} );
	wp.shortcode.atmPreview = function ( options ) {
		return new wp.shortcode( options ).taggedString();
	};

	function show_message( text, type ) {
		if ( message_timer ) {
			window.clearTimeout( message_timer );
			$( '.vc_settings-automapper' ).remove();
			message_timer = false;
		}
		var $message = $( '<div class="vc_atm-message updated' + (type ? ' vc_message-' + type : '') + '" style="display: none;"></div>' );
		$message.text( text );
		$message.prependTo( $( '#vc_settings-automapper' ) ).fadeIn( 500, function () {
			var $message = $( this );
			window.setTimeout( function () {
				$message.remove();
			}, 2000 );
		} );
	}

	var message_timer,
		template_options = {
			evaluate: /<#([\s\S]+?)#>/g,
			interpolate: /\{\{\{([\s\S]+?)\}\}\}/g,
			escape: /\{\{([^\}]+?)\}\}(?!\})/g
		},
		to_title = function ( string ) {
			string = string.replace( /_|-/, ' ' );
			return string.charAt( 0 ).toUpperCase() + string.slice( 1 );
		};

	function showMessageMore( text, typeClass, timeout, remove ) {
		if ( remove ) {
			$( '.vc_atm-message' ).remove();
		}
		var $message = $( '<div class="vc_atm-message ' + (typeClass ? typeClass : '') + '" style="display: none;"></div>' );
		$message.text( text );
		if ( ! _.isUndefined( timeout ) ) {
			window.setTimeout( function () {
				$message.remove();
			}, timeout );
		}
		return $message;
	}

	function showValidationError( text, $el ) {
		if ( _.isUndefined( $el ) || ! $el.length ) {
			$el = $( '.tab_intro' );
		}
		showMessageMore( text, 'error', undefined, true ).insertBefore( $el ).fadeIn( 500 );
	}

	var request_url = window.ajaxurl + '?vc_action=automapper',
		sync_callback = function ( method, model, options ) {
			var data;
			if ( 'create' === method ) {
				model.set( 'id', window.vc_guid() );
				data = {
					vc_action: 'create',
					data: model.toJSON()
				};
			} else if ( 'update' === method ) {
				data = {
					vc_action: 'update',
					id: model.get( 'id' ),
					data: model.toJSON()
				};
			} else if ( 'delete' === method ) {
				data = {
					vc_action: 'delete',
					id: model.get( 'id' )
				};
			} else {
				data = {
					vc_action: 'read'
				};
			}
			$.ajax( {
				method: 'POST',
				url: request_url,
				dataType: 'json',
				data: _.extend( data, { action: 'vc_automapper' } ),
				context: this
			} ).done( function ( data ) {
				var result = model;
				if ( data && 'read' === method ) {
					result = data;
				}
				// Response
				if ( result ) {
					('read' === method) && options.success( result );
				} else {
					options.error( "Not found" );
				}
			} ).error( function ( data ) {
			} );
		};
	var ShortcodeModel = Backbone.Model.extend( {
		defaults: function () {
			return {
				tag: '',
				name: '',
				category: '',
				description: '',
				params: []
			};
		},
		sync: sync_callback
	} );
	var ShortcodesCollection = Backbone.Collection.extend( {
		model: ShortcodeModel,
		sync: sync_callback
	} );
	vc_am.shortcodes = new ShortcodesCollection;

	var ShortcodeView = Backbone.View.extend( {
		tagName: 'li',
		// className: 'vc_automapper-item',
		className: 'widget',
		events: {
			'click .vc_automapper-edit-btn': 'edit',
			'click h4, widget-action': 'edit',
			'click .vc_automapper-delete-btn': 'clear'
		},
		template_html: $( '#vc_automapper-item-tpl' ).html() || '<span>{{ tag }}</span>',
		initialize: function () {
			this.listenTo( this.model, 'change', this.render );
			this.listenTo( this.model, 'destroy', this.removeView )
		},
		render: function () {
			this.$el.html( _.template( this.template_html,
				this.model.toJSON(),
				template_options ) ).attr( 'data-item-id', this.model.get( 'id' ) );
			return this;
		},
		edit: function ( e ) {
			e && e.preventDefault();
			new EditFormView( { model: this.model } ).render();
		},
		clear: function ( e ) {
			e && e.preventDefault();
			if ( confirm( window.i18nLocaleVcAutomapper.are_you_sure_delete ) ) {
				this.model.destroy();
			}
		},
		removeView: function () {
			this.$el.remove();
		}
	} );
	var FormView = Backbone.View.extend( {
		render: function () {
			vc_am.current_form && vc_am.current_form.close();
			vc_am.current_form = this;
			return this;
		},
		getType: function () {
			return 'form';
		},
		validate: function ( attrs ) {
			var result = false;
			if ( ! attrs.name ) {
				return window.i18nLocaleVcAutomapper.error_shortcode_name_is_required;
			}
			if ( ! attrs.tag || ! attrs.tag.match( /^\S+$/ ) ) {
				return window.i18nLocaleVcAutomapper.error_enter_valid_shortcode_tag;
			}
			var fields_required = [
				'param_name',
				'heading',
				'type'
			];
			_.each( attrs.params, function ( param ) {
				_.each( fields_required, function ( field ) {
					if ( '' === param[ field ] ) {
						result = window.i18nLocaleVcAutomapper.error_enter_required_fields // '';
					} else if ( 'param_name' === field && ! param[ field ].match( /^[a-z0-9_]+$/g ) ) {
						result = window.i18nLocaleVcAutomapper.error_enter_required_fields;
					}
				}, this );
			}, this );
			return result || null;
		},
		isValid: function ( data ) {
			this.validationError = this.validate( data );
			return this.validationError ? false : true;
		},
		close: function ( e ) {
			e && e.preventDefault();
			vc_am.current_form = false;
			this.remove();
		}
	} );
	var ComplexShortcodeView = Backbone.View.extend( {
		_$widget_title: false,
		_$form_view: false,
		edit_view: false,
		tagName: 'li',
		className: 'widget',
		events: {
			'click .vc_automapper-edit-btn': 'edit',
			'click h4, .widget-action': 'edit'
		},
		template_html: $( '#vc_automapper-item-complex-tpl' ).html() || '<span>{{ tag }}</span>',
		header_template_html: '<h4>{{ name }}<span class="in-widget-title"></span></h4>',
		initialize: function () {
			_.bindAll( this, 'removeEditForm' );
			this.listenTo( this.model, 'destroy', this.removeView );
			this.model.view = this;
		},
		render: function () {
			this.$el.html( _.template( this.template_html,
				this.model.toJSON(),
				template_options ) ).attr( 'data-item-id', this.model.get( 'id' ) );
			return this;
		},
		renderTitle: function () {
			this.$widgetTitle().html( _.template( this.header_template_html, this.model.toJSON(), template_options ) );
		},
		edit: function ( e ) {
			e && e.preventDefault();
			if ( this.$editForm().is( ':animated' ) ) {
				return false;
			}
			this.$el.addClass( 'vc_opened' );
			if ( this.edit_view ) {
				this.close();
			} else {
				this.edit_view = new EditFormInnerView( { model: this.model } ).render();
			}
		},
		$widgetTitle: function () {
			if ( ! this._$widget_title ) {
				this._$widget_title = this.$el.find( '.widget-title' );
			}
			return this._$widget_title;
		},
		$editForm: function () {
			if ( ! this._$edit_form ) {
				this._$edit_form = this.$el.find( '.widget-inside' );
			}
			return this._$edit_form;
		},
		removeEditForm: function () {
			this.edit_view && this.edit_view.remove();
			this.edit_view = false;
		},
		beforeSave: function () {
			this.$el.find( '#vc_atm-name' ).val( $( '#vc_atm-header-name' ).val() );
		},
		close: function () {
			vc_am.current_form = false;
			this.$el.removeClass( 'vc_opened' );
			this.renderTitle();
			this.$editForm().slideUp( 200 );
			this.removeEditForm(); // delayed call causes bug with empty params(remove called with delay)
		},
		clear: function ( e ) {
			e && e.preventDefault();
			this.model.destroy();
		},
		removeView: function () {
			this.remove();
		}
	} );

	var AddFormView = FormView.extend( {
		className: 'vc_add-form-atm',
		template_html: $( '#vc_automapper-add-form-tpl' ).html(),
		events: {
			'click #vc_atm-parse-string': 'parseShortcode',
			'click .vc_atm-cancel': 'close'
		},
		getType: function () {
			return 'create';
		},
		render: function () {
			AddFormView.__super__.render.call( this );
			this.$el.html( _.template( this.template_html, {}, template_options ) );
			this.$el.insertAfter( '.vc_automapper-toolbar' );
			return this;
		},
		parseShortcode: function ( e ) {
			var string, matches, data, params = [], attr;
			e && e.preventDefault && e.preventDefault();
			string = $( '#vc_atm-shortcode-string' ).val();
			if ( _.isEmpty( string ) ) {
				this.$el.addClass( 'form-invalid' );
				showValidationError( window.i18nLocaleVcAutomapper.error_enter_valid_shortcode, this.$el );
				return false;
			}
			matches = string.match( vc_regexp_shortcode() );
			if ( ! matches ) {
				this.$el.addClass( 'form-invalid' );
				showValidationError( window.i18nLocaleVcAutomapper.error_enter_valid_shortcode, this.$el );
				return false;
			}
			attr = wp.shortcode.attrs( matches[ 3 ] );
			_.each( attr.named, function ( value, key ) {
				params.push( {
					param_name: key,
					type: "textfield",
					heading: to_title( key ),
					description: 'Example: ' + value,
					value: value
				} );
			}, this );
			if ( matches[ 5 ] ) {
				params.push( {
					param_name: 'content',
					type: "textarea",
					heading: 'Content',
					description: '',
					value: matches[ 5 ]
				} );
			}
			data = {
				tag: matches[ 2 ],
				name: to_title( matches[ 2 ] ),
				category: window.i18nLocaleVcAutomapper.my_shortcodes_category,
				params: params
			};
			if ( this.isValid( data ) ) {
				vc_am.shortcodes.create( data );
				show_message( window.i18nLocaleVcAutomapper.new_shortcode_mapped, 'success' );
				$( '.vc_atm-message' ).remove();
				vc_am.shortcodes.last().view.edit();
			} else {
				this.$el.addClass( 'form-invalid' );
				showValidationError( this.validationError );
			}
		}
	} );
	var EditFormView = FormView.extend( {
		className: 'vc_edit-form',
		active_preview: false,
		events: {
			'click #vc_atm-save': 'save',
			'click .vc_atm-cancel': 'close',
			'click .vc_atm-delete': 'clear',
			'click #vc_atm-add-param': 'addParam',
			'click .vc_delete-param': 'deleteParam',
			'change #vc_atm-is-container': 'setContentParam',
			'keyup .vc_param-name, .vc_param-value, #vc_atm-tag': 'setPreview',
			'focus #vc_atm-tag': 'setTagFieldActive',
			'focus .vc_params input, .vc_params textarea': 'setParamFieldActive',
			'focus .vc_param.vc_content input, .vc_param.vc_content textarea': 'setContentParamFieldActive',
			'blur #vc_atm-tag, vc_param input': 'unsetFieldActive',
			'change .vc_param-field [name="type"]': 'changeParamType'
		},
		new: false,
		template_html: $( '#vc_automapper-form-tpl' ).html(),
		param_template_html: $( '#vc_atm-form-param-tpl' ).html(),
		getType: function () {
			return 'edit';
		},
		render: function () {
			EditFormView.__super__.render.call( this );
			this.$el.html( _.template( this.template_html, this.model.toJSON(), template_options ) );
			this.$el.insertAfter( $( '[data-item-id=' + this.model.id + ']' ).hide() );
			this.addAllParams();
			return this;
		},
		changeParamType: function ( e ) {
			var $this, $parent;

			$this = $( e.currentTarget );
			$parent = $this.parents( '.vc_fields' );
			if ( 'hidden' === $this.val() ) {
				$parent.find( '[name="heading"]' ).attr( 'disabled', true );
				$parent.find( '[name="description"]' ).attr( 'disabled', true );
			} else {
				$parent.find( '[name="heading"]' ).attr( 'disabled', false );
				$parent.find( '[name="description"]' ).attr( 'disabled', false );
			}
		},
		setTagFieldActive: function ( e ) {
			this.active_preview && $( this.active_preview ).removeClass( 'vc_active' );
			this.active_preview = '#vc_shortcode-preview .vc_preview-tag';
			$( this.active_preview ).addClass( 'vc_active' );
		},
		setParamFieldActive: function ( e ) {
			var $control = $( e.currentTarget ),
				index = $control.parents( '.vc_param:first' ).index();
			this.active_preview && $( this.active_preview ).removeClass( 'vc_active' );
			this.active_preview = '#vc_shortcode-preview .vc_preview-param:eq(' + index + ')';
			$( this.active_preview ).addClass( 'vc_active' );
		},
		setContentParamFieldActive: function ( e ) {
			this.active_preview && $( this.active_preview ).removeClass( 'vc_active' );
			this.active_preview = '#vc_shortcode-preview .vc_preview-content';
			$( this.active_preview ).addClass( 'vc_active' );
		},
		unsetFieldActive: function ( e ) {
			$( this.active_preview ).removeClass( 'vc_active' );
			this.active_preview = false;
		},
		/***
		 * Escape double quotes in params value.
		 * @param value
		 * @return {*}
		 */
		escapeParam: function ( value ) {
			return value && value.replace( /"/g, '``' );
		},
		getPreview: function ( data ) {
			var params = data.params,
				content = false,
				params_to_string = {};
			_.each( params, function ( value, key ) {
				if ( 'content' !== value.param_name ) {
					params_to_string[ value.param_name ] = this.escapeParam( value.value );
				} else {
					content = value.value;
				}

			}, this );

			return wp.shortcode.atmPreview( {
				tag: data.tag,
				attrs: params_to_string,
				content: content,
				type: false === content ? 'single' : ''
			} );
		},
		setPreview: function () {
			var data = {
				params: this.getParams(),
				tag: $( '#vc_atm-tag' ).val()
			};
			$( '#vc_shortcode-preview' ).html( this.getPreview( data ) );
			this.active_preview && $( this.active_preview ).addClass( 'vc_active' );
		},
		save: function ( e ) {
			e && e.preventDefault && e.preventDefault();
			this.$el.find( '.vc_error' ).removeClass( 'vc_error' );
			var data = {
				tag: $( '#vc_atm-tag' ).val(),
				name: $( '#vc_atm-name' ).val(),
				category: $( '#vc_atm-category' ).val(),
				description: $( '#vc_atm-description' ).val(),
				params: this.getParams()
			};
			if ( this.isValid( data ) ) {
				this.model.save( data );
				show_message( window.i18nLocaleVcAutomapper.shortcode_updated, 'success' );
				this.close();
			} else {
				showValidationError( this.validationError, this.$el.find( '#vc_atm-save' ) );
			}
		},
		validate: function ( attrs ) {
			$( '.vc_error,.form-invalid' ).removeClass( 'vc_error form-invalid' );
			var result = false, added_param_names = {};
			if ( ! attrs.name ) {
				$( '#vc_atm-name' ).addClass( 'vc_error' );
				$( '#vc_atm-header-name' ).parent().addClass( 'form-invalid' );
				return window.i18nLocaleVcAutomapper.error_shortcode_name_is_required;
			}
			if ( ! attrs.tag || ! attrs.tag.match( /^\S+$/ ) ) {
				$( '#vc_atm-tag' ).addClass( 'vc_error' ).parent().addClass( 'form-invalid' );
				return window.i18nLocaleVcAutomapper.error_enter_valid_shortcode_tag;
			}
			var fields_required = [
				'param_name',
				'heading',
				'type'
			];
			_.each( attrs.params, function ( param, index ) {
				var $field_el = $( '#vc_atm-params-list [name=param_name]:eq(' + index + ')' );
				if ( 'content' === param.param_name && ! $field_el.data( 'system' ) ) {
					result = window.i18nLocaleVcAutomapper.error_content_param_not_manually;
					$field_el.addClass( 'vc_error' );
					$field_el.closest( '.vc_param-field' ).addClass( 'form-invalid' );
					return;
				}
				if ( _.isBoolean( added_param_names[ param.param_name ] ) && true == added_param_names[ param.param_name ] ) {
					$field_el.addClass( 'vc_error' );
					$field_el.closest( '.vc_param-field' ).addClass( 'form-invalid' );
					if ( ! result ) {
						result = window.i18nLocaleVcAutomapper.error_param_already_exists.replace( /\%s/,
							param.param_name );
					}
				}
				added_param_names[ param.param_name ] = true;
				_.each( fields_required, function ( field ) {
					if ( ('hidden' !== param.type && '' === param[ field ]) || ('hidden' === param.type && 'heading' !== field && '' === param[ field ]) ) {
						$( '#vc_atm-params-list [name=' + field + ']:eq(' + index + ')' )
							.addClass( 'vc_error' )
							.closest( '.vc_param-field' )
							.addClass( 'form-invalid' );
						if ( ! result ) {
							result = window.i18nLocaleVcAutomapper.error_enter_required_fields;
						}
					} else if ( 'param_name' === field && ! param[ field ].match( /^[a-z0-9_]+$/g ) ) {
						$field_el
							.addClass( 'vc_error' )
							.closest( '.vc_param-field' )
							.addClass( 'form-invalid' );
						if ( ! result ) {
							result = window.i18nLocaleVcAutomapper.error_wrong_param_name;
						}
					}
				}, this );
			}, this );
			return result || null;
		},
		setContentParam: function ( e ) {
			var $control = $( e.currentTarget );
			if ( $control[0].checked ) {
				this.addParamField( {
					type: 'textarea',
					heading: 'Content',
					description: '',
					param_name: 'content',
					value: ''
				} );
				this.setParamSorting();
			} else {
				this.removeParamField( 'content' );
			}
			this.setPreview();
		},
		addAllParams: function () {
			$( '#vc_atm-params-list' ).empty();
			_.each( this.model.get( 'params' ), function ( param ) {
				this.addParamField( param );
				if ( 'content' === param.param_name ) {
					$( '#vc_atm-is-container' ).prop( 'checked', true );
				}
			}, this );
			this.setParamSorting();
		},
		getParams: function () {
			var params = [];
			_.each( $( '.vc_param' ), function ( param ) {
				var $param = $( param );
				params.push( {
					param_name: $param.find( '[name=param_name]' ).val(),
					type: $param.find( '[name=type]' ).val(),
					description: $param.find( '[name=description]' ).val(),
					heading: $param.find( '[name=heading]' ).val(),
					value: $param.find( '[name=value]' ).val()
				} );
			}, this );
			return params;
		},
		addParam: function ( e ) {
			e && e.preventDefault();
			this.addParamField( { type: '', heading: '', description: '', param_name: '', value: '' } );
			this.setPreview();
		},
		removeParamField: function ( name ) {
			$( '.vc_param-name[value="' + name + '"]' ).parents( '.vc_param' ).remove();
		},
		addParamField: function ( attr ) {
			var $block = $( '<div class="vc_param wpb_vc_row' + ( 'content' === attr.param_name ? ' vc_content' : '' ) + '"/>' ).appendTo( '#vc_atm-params-list' );
			$block.html( _.template( this.param_template_html, attr, template_options ) );
		},
		setParamSorting: function () {
			$( '#vc_atm-params-list' ).sortable( {
				items: '> .vc_param',
				tolerance: "pointer",
				handle: '.vc_move-param',
				update: this.setPreview,
				placeholder: "vc_sortable-placeholder"
			} );
		},
		deleteParam: function ( e ) {
			var $control;
			e && e.preventDefault();
			if ( confirm( window.i18nLocaleVcAutomapper.are_you_sure_delete_param ) ) {
				$control = $( e.currentTarget );
				$control.parents( '.vc_param' ).remove();
				this.setPreview();
			}
		},
		close: function ( e ) {
			e && e.preventDefault();
			this.model && $( '[data-item-id=' + this.model.get( 'id' ) + ']' ).show();
			vc_am.current_form = false;
			$( '.vc_atm-message' ).remove();
			this.remove();
		},
		clear: function ( e ) {
			e && e.preventDefault();
			if ( confirm( window.i18nLocaleVcAutomapper.are_you_sure_delete ) ) {
				this.model.destroy();
				this.close();
			}
		}
	} );
	var EditFormInnerView = EditFormView.extend( {
		template_html: $( '#vc_automapper-form-tpl' ).html(),
		getType: function () {
			return 'edit';
		},
		initialize: function () {
			_.bindAll( this, 'setPreview' );
		},
		render: function () {
			var params,
				parent = this.model.view;
			params = this.model.get( 'params' );
			EditFormView.__super__.render.call( this );
			this.$el.html( _.template( this.template_html,
				_.extend( { shortcode_preview: this.getPreview( this.model.toJSON() ) }, this.model.toJSON() ),
				template_options ) );
			this.$el.appendTo( parent.$editForm() );
			parent.$widgetTitle().html( '<span class="vc_atm-header"><input type="text" name="name" value="" id="vc_atm-header-name" class="vc_header-name"></span><span class="in-widget-title"></span>' );
			$( '#vc_atm-header-name' ).val( this.model.get( 'name' ) );
			this.addAllParams();
			parent.$editForm().slideDown();
			return this;
		},
		save: function ( e ) {
			e && e.preventDefault();
			this.model.view.beforeSave();
			EditFormInnerView.__super__.save.call( this );
		},
		close: function ( e ) {
			e && e.preventDefault();
			vc_am.current_form = false;
			this.model.view.close();
		},
		clear: function ( e ) {
			e && e.preventDefault();
			if ( confirm( window.i18nLocaleVcAutomapper.are_you_sure_delete ) ) {
				this.model.view.clear();
				this.remove();
			}
		}
	} );
	var AppView = Backbone.View.extend( {
		events: {
			'click #vc_automapper-add-btn': 'create',
			'submit': 'formSubmit'
		},
		className: 'vc_atm-form',
		addFormView: false,
		initialize: function () {
			this.listenTo( vc_am.shortcodes, 'add', this.addOne );
			this.listenTo( vc_am.shortcodes, 'reset', this.addAll );
			this.listenTo( vc_am.shortcodes, 'all', this.render );
			this.$list = $( '.vc_automapper-list' );
			vc_am.shortcodes.fetch();
		},
		formSubmit: function ( e ) {
			e && e.preventDefault && e.preventDefault();
			if ( _.isObject( e ) && this.addFormView && ! _.isEmpty( e.currentTarget ) && ! _.isEmpty( e.currentTarget[ 0 ] ) ) {
				var node, $el;
				node = e.currentTarget[ 0 ];
				$el = $( node );
				if ( $el.is( '#vc_atm-shortcode-string' ) ) {
					this.addFormView.parseShortcode();
				}
			}
		},
		addAll: function ( models ) {
			models.each( function ( model ) {
				this.addOne( model );
			}, this );
		},
		addOne: function ( model ) {
			var view = new ComplexShortcodeView( { model: model } );
			this.$list.append( view.render().el );
		},
		create: function ( e ) {
			e && e.preventDefault && e.preventDefault();
			if ( ! vc_am.current_form || 'create' !== vc_am.current_form.getType() ) {
				this.addFormView = new AddFormView().render();
			}
		},
		render: function () {
		}
	} );
	new AppView( { el: $( '#vc_settings-automapper' ) } );
})( window.jQuery );