jQuery(
	function ( $ ) {
		$( document.body ).on(
			'added_to_cart',
			function ( e, fragments, cart_hash, thisbutton ) {
				// var pixel_code = window.tt4b_script_vars.pixel_code;
				// var currency = window.tt4b_script_vars.currency;
				// var product_id = thisbutton.data('product_id');
				// var product_name = thisbutton.data('product_name');
				// var price = thisbutton.data('price');
				//
				// ttq.instance(pixel_code).track(
				// 'AddToCart',
				// {
				// 'content_id': product_id,
				// 'content_name': product_name,
				// 'content_type': 'product',
				// 'price': price,
				// 'value': price,
				// 'quantity': 1,
				// 'currency': currency
				// }
				// );
			}
		);

		// add library to help parse phone numbers
		let script = document.createElement( 'script' );
		script.src = 'https://unpkg.com/libphonenumber-js@1.10.45/bundle/libphonenumber-min.js';
		document.head.appendChild( script );

		// add library to generate uuid4 for event api
		let uuidScript = document.createElement( 'script' );
		uuidScript.src = 'https://cdnjs.cloudflare.com/ajax/libs/uuid/8.1.0/uuidv4.min.js';
		document.head.appendChild( uuidScript );

		// advanced matching - will send hashed advanced_matching fields if true, otherwise will exit if advanced_matching value is false or null
		function getEmailAndPhone(inputElement, pixelCode, source) {
			if (window.tt4b_script_vars.advanced_matching !== '1') {
				return;
			}
			let result = {
				email: "",
				phone_number: ""
			};
			if ( ! inputElement) {
				return result
			}
			let form = inputElement.closest( 'form' ) || inputElement.querySelector( 'form' );
			if (( ! form || form.length === 0) && source !== 'ninjaforms') {
				return;
			} else if (( ! form || form.length === 0) && source === 'ninjaforms') {
				form = inputElement.first( 'form' )[0];
			}
			let inputElements = form.querySelectorAll( 'input' );
			for (let input of inputElements) {
				if (input.type === 'email') {
					result.email = input.value;
				} else if (input.type === 'tel') {
					try {
						let phone_number    = input.value;
						result.phone_number = libphonenumber.parsePhoneNumber( phone_number, window.tt4b_script_vars.country ).number
					} catch (error) {
						console.warn( "Error occurred while parsing phone number: ", error );
					}
				}
			}
			ttq.instance( pixelCode ).identify( result );
		}

		// Fires a Contact event if AM data present in form, otherwise fires a SubmitForm vent
		function firePixelBasedOnFormIntent(inputElement, pixelCode, source) {
			let form = inputElement.closest( 'form' ) || inputElement.querySelector( 'form' );
			if (( ! form || form.length === 0) && source !== 'ninjaforms') {
				return;
			} else if (( ! form || form.length === 0) && source === 'ninjaforms') {
				form = inputElement.first( 'form' )[0];
			}
			let inputElements = form.querySelectorAll( 'input' );
			let hasAMData     = false;
			for (let input of inputElements) {
				if (input.type === 'email' || input.type === 'tel') {
					hasAMData = true;
					break;
				}
			}
			let eventType = hasAMData ? 'Contact' : 'SubmitForm'
			let event_id  = ""
			try {
				event_id = uuidv4()
			} catch (error) {
				console.warn( "Error occurred while generating uuidv4: ", error );
			}
			ttq.instance( pixelCode ).track(
				eventType,
				{
					'source' : source,
					'wp_plugin' : source,
					"event_id" : event_id
				}
			)
		}

		// Some forms will trigger the submit event, even if the form submission is unsuccessful
		// In this case we want to make sure the form submission is successful by checking for the success message
		// once the message is visible, we will fire the pixel event
		function createObserver(source) {
			return new MutationObserver(
				function (mutations) {
					mutations.forEach(
						function (mutation) {
							if (window.getComputedStyle( mutation.target ).display !== 'none') {
								getEmailAndPhone( mutation.target, window.tt4b_script_vars.pixel_code );
								firePixelBasedOnFormIntent( mutation.target, window.tt4b_script_vars.pixel_code, source )
							}
						}
					);
				}
			);
		}

		// fallback case
		document.addEventListener(
			'submit',
			function (event) {
				var pixel_code = window.tt4b_script_vars.pixel_code;
				getEmailAndPhone( event.target, pixel_code );
				firePixelBasedOnFormIntent( event.target, pixel_code, "fallback" )
			}
		);

		// ButtonClick Lead Gen Event
		$( 'button, :submit' ).on(
			'click',
			function (event) {
				var pixel_code = window.tt4b_script_vars.pixel_code;
				// AM based on form inputs when submit clicked
				getEmailAndPhone( event.target, pixel_code );
				let event_id = ""
				try {
					event_id = uuidv4()
				} catch (error) {
					console.warn( "Error occurred while generating uuidv4: ", error );
				}
				ttq.instance( pixel_code ).track(
					'ClickButton',
					{
						'content': 'SubmitClick',
						"event_id": event_id
					}
				);
			}
		);

		// Contact Lead Gen Event: Contact Form 7
		// https://wordpress.org/plugins/contact-form-7/
		document.addEventListener(
			'wpcf7mailsent',
			function (event) {
				var pixel_code = window.tt4b_script_vars.pixel_code;
				getEmailAndPhone( event.target, pixel_code );
				firePixelBasedOnFormIntent( event.target, pixel_code, "contactform7" )
			},
			false
		);

		// Contact Lead Gen Event: MC4WP: Mailchimp for Wordpress
		// https://wordpress.org/plugins/mailchimp-for-wp/
		var mailchimp_forms = document.querySelectorAll( '.mc4wp-form' );
		mailchimp_forms.forEach(
			function (form) {
				var pixel_code = window.tt4b_script_vars.pixel_code;
				form.addEventListener(
					'submit',
					function (event) {
						getEmailAndPhone( event.target, pixel_code );
						firePixelBasedOnFormIntent( event.target, pixel_code, "mailchimp4wordpress" )
					}
				);
			}
		);

		// Contact Lead Gen Event: Jetpack + Mailchimp
		// https://jetpack.com/support/jetpack-blocks/mailchimp-block/
		var jetpackMailchimpNodes = document.querySelectorAll( '.wp-block-jetpack-mailchimp_success' );
		if (jetpackMailchimpNodes.length > 0) {
			var jetpackMailchimpObserver = createObserver( 'jetpackmailchimp' );
			jetpackMailchimpNodes.forEach(
				function (targetNode) {
					jetpackMailchimpObserver.observe( targetNode, { attributes: true, childList: true, subtree: true } );
				}
			);
		}

		// Contact Lead Get Event: MailPoet
		// https://wordpress.org/plugins/mailpoet/
		$( 'input.mailpoet_submit' ).on(
			'click',
			function () {
				var pixel_code = window.tt4b_script_vars.pixel_code;
				getEmailAndPhone( event.target, pixel_code );
				firePixelBasedOnFormIntent( event.target, pixel_code, "mailpoet" )
			}
		);

		// Contact Lead Gen Event: Spectra
		// https://wordpress.org/plugins/ultimate-addons-for-gutenberg/
		var spectraForms = document.querySelectorAll( '.uagb-forms-main-form' );
		spectraForms.forEach(
			function (form) {
				var pixel_code = window.tt4b_script_vars.pixel_code;
				form.addEventListener(
					'submit',
					function (event) {
						getEmailAndPhone( event.target, pixel_code );
						firePixelBasedOnFormIntent( event.target, pixel_code, "spectra" )
					}
				);
			}
		);

		// Submit Form Lead Gen Event: WPForms
		// https://wordpress.org/plugins/wpforms-lite/
		$( 'form.wpforms-form' ).on(
			'wpformsAjaxSubmitSuccess',
			(event) => {
            var pixel_code = window.tt4b_script_vars.pixel_code;
            getEmailAndPhone( event.target, pixel_code );
            firePixelBasedOnFormIntent( event.target, pixel_code, "wpforms" )
			}
		)

		// Submit Form Lead Gen Events: JetPack
		// https://wordpress.org/plugins/jetpack/
		if (document.querySelector( '[class*=jetpack-contact-form]' )) {
			document.addEventListener(
				'submit',
				(event) => {
                var pixel_code = window.tt4b_script_vars.pixel_code;
                getEmailAndPhone( event.target, pixel_code );
                firePixelBasedOnFormIntent( event.target, pixel_code, "jetpack" )
				}
			);
		}

		// Submit Form Lead Gen Events: Ninja Forms
		// https://wordpress.org/plugins/ninja-forms/
		$( document ).on(
			'nfFormSubmitResponse',
			(event) => {
            event.preventDefault();
            var pixel_code = window.tt4b_script_vars.pixel_code;
            getEmailAndPhone( $( '.nf-form-layout' ), pixel_code, "ninjaforms" );
            firePixelBasedOnFormIntent( $( '.nf-form-layout' ), pixel_code, "ninjaforms" )
			}
		);

		$( document ).on(
			'nfFormReady',
			(event) => {
            event.preventDefault();
            $( 'button, :submit, input[type="submit"]' ).on(
                    'click',
					function (event) {
						var pixel_code = window.tt4b_script_vars.pixel_code;
						// AM based on form inputs when submit clicked
						getEmailAndPhone( event.target, pixel_code );
						ttq.instance( pixel_code ).track(
							'ClickButton',
							{
								'content': 'SubmitClick'
							}
						);
					}
                );
			}
		)

	}
);