/**
 * WooCommerce quantity buttons.
 *
 * @since x.x.x
 */

window.addEventListener( "load", function(e) {
    astrawpWooQuantityButtons();
});


// Here we are selecting the node that will be observed for mutations.
const astraminiCarttargetNode = document.getElementById("ast-site-header-cart");

if (astraminiCarttargetNode != null) {
    const config = { attributes: false, childList: true, subtree: true };

    const astraMinicartObserver = () => {
        astrawpWooQuantityButtons();
    };

    const observer = new MutationObserver(astraMinicartObserver);
    observer.observe(astraminiCarttargetNode, config);
}

/**This comment explains that in order to refresh the wc_fragments_refreshed event when an AJAX call is made, jQuery is used to update the quantity button.
 * Here plain JavaScript may not be able to trigger the wc_fragments_refreshed event in the same way,
 * hence the need to use jQuery
*/
jQuery( function( $ ) {
    $( document.body ).on( 'wc_fragments_refreshed', function() {
        astrawpWooQuantityButtons();
    });
});

(function() {
    var send = XMLHttpRequest.prototype.send
    XMLHttpRequest.prototype.send = function() {
        this.addEventListener('load', function() {
            astrawpWooQuantityButtons();
        })
        return send.apply(this, arguments)
    }
})();

/**
 * Astra WooCommerce Quantity Buttons.
 */
function astrawpWooQuantityButtons( $quantitySelector ) {

    var $cart = document.querySelector( '.woocommerce div.product form.cart' );

    if ( ! $quantitySelector ) {
        $quantitySelector = '.qty';
    }

    $quantityBoxesWrap = document.querySelectorAll( 'div.quantity:not(.elementor-widget-woocommerce-cart .quantity):not(.buttons_added), td.quantity:not(.elementor-widget-woocommerce-cart .quantity):not(.buttons_added)' );

    for ( var i = 0; i < $quantityBoxesWrap.length; i++ ) {

        var e = $quantityBoxesWrap[i];

        var $quantityBoxes = e.querySelector( $quantitySelector );

        if ( $quantityBoxes && 'date' !== $quantityBoxes.getAttribute( 'type' ) && 'hidden' !== $quantityBoxes.getAttribute( 'type' ) ) {

            // Add plus and minus icons.
            $qty_parent = $quantityBoxes.parentElement;
            $qty_parent.classList.add( 'buttons_added' );
            switch ( astra_qty_btn.style_type ) {

				case 'no-internal-border':
						$quantityBoxes.classList.add( 'ast-no-internal-border' );
						$qty_parent.insertAdjacentHTML( 'afterbegin', '<label class="screen-reader-text" for="minus_qty">' +  astra_qty_btn.minus_qty + '</label><a href="javascript:void(0)" id ="minus_qty" class="minus no-internal-border">-</a>' );
						$qty_parent.insertAdjacentHTML( 'beforeend', '<label class="screen-reader-text" for="plus_qty"> '+  astra_qty_btn.plus_qty + '</label><a href="javascript:void(0)" id ="plus_qty" class="plus no-internal-border">+</a> ' );
					break;

				case 'vertical-icon':
						$qty_parent.classList.add( 'ast-vertical-style-applied' );
						$quantityBoxes.classList.add( 'vertical-icons-applied' );
						$qty_parent.insertAdjacentHTML( 'beforeend',
							'<label class="screen-reader-text" for="plus_qty"> '+  astra_qty_btn.plus_qty + '</label><a href="javascript:void(0)" id ="plus_qty" class="plus ast-vertical-icon">+</a>'+
							'<label class="screen-reader-text" for="minus_qty">' +  astra_qty_btn.minus_qty + '</label><a  href="javascript:void(0)" id ="minus_qty" class="minus ast-vertical-icon">-</a>'
						);
					break;

				default:
						$qty_parent.insertAdjacentHTML( 'afterbegin', '<label class="screen-reader-text" for="minus_qty">' +  astra_qty_btn.minus_qty + '</label><a href="javascript:void(0)" id ="minus_qty" class="minus">-</a>' );
						$qty_parent.insertAdjacentHTML( 'beforeend', '<label class="screen-reader-text" for="plus_qty"> '+  astra_qty_btn.plus_qty + '</label><a href="javascript:void(0)" id ="plus_qty" class="plus">+</a>' );
					break;
			}
            $quantityEach = document.querySelectorAll( 'input' + $quantitySelector + ':not(.product-quantity)' );

            for ( var j = 0; j < $quantityEach.length; j++ ) {

                var el = $quantityEach[j];

                var $min = el.getAttribute( 'min' );

                if ( $min && $min > 0 && parseFloat( el.value ) < $min ) {
                    el.value = $min;
                }
            }

            // Quantity input.
            let objbody = document.getElementsByTagName('BODY')[0];
            let cart = document.getElementsByClassName('cart')[0];

            if (objbody.classList.contains('single-product') && !cart.classList.contains('grouped_form')) {
                let quantityInput = document.querySelector('.woocommerce input[type=number].qty');
                // Check for single product page.
                if (quantityInput) {
                    quantityInput.addEventListener('keyup', function () {
                        let qtyVal = quantityInput.value;
                        quantityInput.value = qtyVal;
                    });
                }
            }

            var plus_minus_obj = e.querySelectorAll( '.plus, .minus' );

            for ( var l = 0; l < plus_minus_obj.length; l++ ) {

                var pm_el = plus_minus_obj[l];

                pm_el.addEventListener( "click", function(ev) {


                    // Quantity.
                    var $quantityBox;

                    $quantityBox = ev.target.parentElement.querySelector( $quantitySelector );

                    // Get values.
                    var $currentQuantity = parseFloat( $quantityBox.value ),
                    $maxQuantity = parseFloat( $quantityBox.getAttribute( 'max' ) ),
                    $minQuantity = parseFloat( $quantityBox.getAttribute( 'min' ) ),
                    $step = parseFloat( $quantityBox.getAttribute( 'step' ) ),
                    checkStepInteger = Number.isInteger( $step ),
                    finalValue;

                    // Fallback default values.
                    if ( ! $currentQuantity || '' === $currentQuantity || 'NaN' === $currentQuantity ) {
                        $currentQuantity = 0;
                    }
                    if ( '' === $maxQuantity || 'NaN' === $maxQuantity ) {
                        $maxQuantity = '';
                    }

                    if ( '' === $minQuantity || 'NaN' === $minQuantity ) {
                        $minQuantity = 0;
                    }
                    if ( 'any' === $step || '' === $step || undefined === $step || 'NaN' === $step ) {
                        $step = 1;
                    }

                    // Change the value.
                    if ( ev.target.classList.contains( 'plus' ) ) {

                        if ( $maxQuantity && ( $maxQuantity == $currentQuantity || $currentQuantity > $maxQuantity ) ) {
                            $quantityBox.value = $maxQuantity;
                        } else {
                            finalValue = $currentQuantity + parseFloat( $step );
                            $quantityBox.value = checkStepInteger ? finalValue : ( finalValue ).toFixed(1);
                        }

                    } else {

                        if ( $minQuantity && ( $minQuantity == $currentQuantity || $currentQuantity < $minQuantity ) ) {
                            $quantityBox.value = $minQuantity;
                        } else if ( $currentQuantity > 0 ) {
                            finalValue = $currentQuantity - parseFloat( $step );
                            $quantityBox.value = checkStepInteger ? finalValue : ( finalValue ).toFixed(1);
                        }

                    }

                    // Trigger the change event on the input.
                    var changeEvent = new Event('change', { bubbles: true });
                    $quantityBox.dispatchEvent(changeEvent);

                    // Trigger change event.
                    var update_cart_btn = document.getElementsByName("update_cart");
                    if (update_cart_btn.length > 0) {
                        for ( var btn = 0; btn < update_cart_btn.length; btn++ ) {
                            update_cart_btn[btn].disabled = false;
                            update_cart_btn[btn].click();
                        }
                    }


					// Send AJAX request from mini cart.

                    const miniCart = ev.currentTarget.closest( '.woocommerce-mini-cart' );

					if ( miniCart && astra && astra.single_product_qty_ajax_nonce && astra.ajax_url ) {
						let quantity = $quantityBox.value;
						let itemHash = $quantityBox.getAttribute('name').replace(/cart\[([\w]+)\]\[qty\]/g, '$1');
						let qtyNonce = astra.single_product_qty_ajax_nonce;

                        miniCart.classList.add('ajax-mini-cart-qty-loading');

						// Creating a XMLHttpRequest object.
						let xhrRequest = new XMLHttpRequest();
						xhrRequest.open( 'POST', astra.ajax_url, true );

						// Send the proper header information along with the request
						xhrRequest.setRequestHeader( "Content-Type", "application/x-www-form-urlencoded" );

						xhrRequest.send( 'action=astra_add_cart_single_product_quantity&hash=' + itemHash + '&quantity=' + quantity + '&qtyNonce=' + qtyNonce );

						xhrRequest.onload = function () {
							if ( xhrRequest.readyState == XMLHttpRequest.DONE ) {   // XMLHttpRequest.DONE == 4
								if ( 200 <= xhrRequest.status || 400 <= xhrRequest.status ) {
									// Trigger event so themes can refresh other areas.
									var event = document.createEvent( 'HTMLEvents' );
									event.initEvent( 'wc_fragment_refresh', true, false );
									document.body.dispatchEvent(event);

                                    miniCart.classList.remove('ajax-mini-cart-qty-loading');

									if ( typeof wc_add_to_cart_params === 'undefined' ) {
										return;
									}
								}
							}
						};
					}

                }, false);
            }
        }
    }
}
