jQuery( document ).ready( function( $ ) {
	var templates = {
		'default': function( envelope ) {
			var html = '<div class="jitm-card jitm-banner ' + (
					envelope.CTA.message ? 'has-call-to-action' : ''
				) + ' is-upgrade-premium ' + envelope.content.classes + '" data-stats_url="' + envelope.jitm_stats_url + '">';
			html += '<div class="jitm-banner__icon-plan">' + envelope.content.icon + '</div>';
			html += '<div class="jitm-banner__content">';
			html += '<div class="jitm-banner__info">';
			html += '<div class="jitm-banner__title">' + envelope.content.message + '</div>';
			if ( envelope.content.description && envelope.content.description !== '' ) {
				html += '<div class="jitm-banner__description">' + envelope.content.description;
				if ( envelope.content.list.length > 0 ) {
					html += '<ul class="banner__list">';
					for ( var i = 0; i < envelope.content.list.length; i++ ) {

						var text = envelope.content.list[ i ].item;

						if ( envelope.content.list[ i ].url ) {
							text = '<a href="' + envelope.content.list[ i ].url + '" target="_blank" rel="noopener noreferrer" data-module="' + envelope.feature_class + '" data-jptracks-name="nudge_item_click" data-jptracks-prop="jitm-' + envelope.id + '">' +
								text + '</a>';
						}

						html += '<li>' +
							'<svg class="gridicon gridicons-checkmark" height="16" width="16" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><g>' +
							'<path d="M9 19.414l-6.707-6.707 1.414-1.414L9 16.586 20.293 5.293l1.414 1.414" /></g></svg>' +
							text +
							'</li>';
					}
				}
				html += '</div>';
			}
			html += '</div>';
			if ( envelope.activate_module ) {
				html += '<div class="jitm-banner__action" id="jitm-banner__activate">';
				html += '<a href="#" data-module="' + envelope.activate_module + '" type="button" class="jitm-button is-compact is-primary jptracks" data-jptracks-name="nudge_click" data-jptracks-prop="jitm-' + envelope.id + '-activate_module">' + window.jitm_config.activate_module_text + '</a>';
				html += '</div>';
			}
			if ( envelope.CTA.message ) {
				var ctaClasses = 'jitm-button is-compact jptracks';
				if (
					envelope.CTA.primary &&
					null === envelope.activate_module
				) {
					ctaClasses += ' is-primary';
				}

				html += '<div class="jitm-banner__action">';
				html += '<a href="' + envelope.url + '" target="' + ( envelope.CTA.newWindow === false ? '_self' : '_blank' ) + '" rel="noopener noreferrer" title="' + envelope.CTA.message + '" data-module="' + envelope.feature_class + '" type="button" class="' + ctaClasses + '" data-jptracks-name="nudge_click" data-jptracks-prop="jitm-' + envelope.id + '">' + envelope.CTA.message + '</a>';
				html += '</div>';
			}
			html += '<a href="#" data-module="' + envelope.feature_class + '" class="jitm-banner__dismiss"></a>';
			html += '</div>';
			html += '</div>';

			return $( html );
		}
	};

	var setJITMContent = function( $el, response, redirect ) {
		var template;

		var render = function( $my_template ) {
			return function( e ) {
				e.preventDefault();

				$my_template.hide();

				$.ajax( {
					url: window.jitm_config.api_root + 'jetpack/v4/jitm',
					method: 'POST', // using DELETE without permalinks is broken in default nginx configuration
					data: {
						id: response.id,
						feature_class: response.feature_class
					}
				} );
			};
		};

		template = response.template;

		// if we don't have a template for this version, just use the default template
		if ( ! template || ! templates[ template ] ) {
			template = 'default';
		}

		response.url = response.url + '&redirect=' + redirect;

		var $template = templates[ template ]( response );
		$template.find( '.jitm-banner__dismiss' ).click( render( $template ) );

		if ( $( '#jp-admin-notices' ).length > 0 ) {
			// Add to Jetpack notices within the Jetpack settings app.
			$el.innerHTML = $template;

			// If we already have a message, replace it.
			if ( $('#jp-admin-notices').find( '.jitm-card' ) ) {
				$( '.jitm-card' ).replaceWith( $template );
			}

			// No existing JITM? Add ours to the top of the Jetpack admin notices.
			$template.prependTo( $( '#jp-admin-notices' ) );
		} else {
			// Replace placeholder div on other pages.
			$el.replaceWith($template);
		}

		// Handle Module activation button if it exists.
		$template.find( '#jitm-banner__activate a' ).click( function() {
			var $activate_button = $( this );

			// Do not allow any requests if the button is disabled.
			if ( $activate_button.attr( 'disabled' ) ) {
				return false;
			}

			// Make request to activate module.
			$.ajax( {
				url: window.jitm_config.api_root + 'jetpack/v4/module/' + $activate_button.data( 'module' ) + '/active',
				method: 'POST',
				beforeSend: function( xhr ) {
					xhr.setRequestHeader( 'X-WP-Nonce', $el.data( 'nonce' ) );

					// Change the button status to disabled as the change is in progress.
					$( '#jitm-banner__activate a' ).text( window.jitm_config.activating_module_text );
					$( '#jitm-banner__activate a' ).attr( 'disabled', true );
				}
			} ).done( function() {
				$( '#jitm-banner__activate a' ).text( window.jitm_config.activated_module_text );
				$( '#jitm-banner__activate a' ).attr( 'disabled', true );

				// Hide the JITM after 2 seconds.
				setTimeout( function () {
					$template.fadeOut( 'slow' );
				}, 2000 );
			} );
		} );
	};

	var reFetch = function() {
		$( '.jetpack-jitm-message' ).each( function() {
			var $el = $( this );

			var message_path = $el.data( 'message-path' );
			var query = $el.data( 'query' );
			var redirect = $el.data( 'redirect' );
			var hash = location.hash;

			hash = hash.replace( /#\//, '_' );
			if ( '_dashboard' !== hash ) {
				message_path = message_path.replace( 'toplevel_page_jetpack', 'toplevel_page_jetpack' + hash );
			}

			$.get( window.jitm_config.api_root + 'jetpack/v4/jitm', {
				message_path: message_path,
				query: query,
				_wpnonce: $el.data( 'nonce' )
			} ).then( function( response ) {
				if ( 'object' === typeof response && response['1'] ) {
					response = [ response['1'] ];
				}

				// properly handle the case of an empty array or no content set
				if ( 0 === response.length || ! response[ 0 ].content ) {
					return;
				}

				// for now, always take the first response
				setJITMContent( $el, response[ 0 ], redirect );
			} );
		} );
	};

	reFetch();

	$( window ).bind( 'hashchange', function( e ) {
		var newURL = e.originalEvent.newURL;

		if ( newURL.indexOf( 'jetpack#/' ) >= 0 ) {
			var jitm_card = document.querySelector( '.jitm-card' );
			if ( jitm_card ) {
				jitm_card.remove();
			}
			reFetch();
		}
	} );
} );
