// the window.location.hostname check will prevent integration from loading on the kwipped approve hosted page

// DEBUG MODE -- Set to true if you want console logs to show.
var approve_debug_mode = true;
approve_debug_log("APPROVE SCRIPT LOADED");
// ******************************************************************
// ******************************************************************
//                          PRODUCT PAGE
// ******************************************************************
// ******************************************************************


// In the easiest implementation, you will be able to set every variable you need right here.
// GENERAL PRODUCT WRAPPER -- element to look for to know we are on a product page
var approve_product_wrapper_ele = ' .productView';
var approve_product_wrapper = document.querySelector(approve_product_wrapper_ele);
if (approve_product_wrapper){

    // ******************************************************************
    //              PRODUCT PAGE Variable Configuration
    // ******************************************************************
    // PRODUCT INFO ELEMENTS -- These strings will be used in document.querySelector(). Ensure that there is only one of each on the page.
    var approve_model_ele_name = approve_product_wrapper_ele + ' .productView-product h1.productView-title';
    var approve_price_ele_name = approve_product_wrapper_ele + ' .productView-product .price-section.price-section--withoutTax .price.price--withoutTax';

    // ELEMENT TO INSERT THE BUTTON BELOW -- This strings will be used in document.querySelector(). Ensure that there is only one on the page.
    var approve_insert_after_ele_name = approve_product_wrapper_ele + ' .productView-options';

    var approve_qty_ele_name = approve_product_wrapper_ele + ' .form-input.form-input--incrementTotal';
    // QTY INCREASE / DECREASE BUTTONS -- These buttons do not always trigger a change event on the QTY element. We will add click watchers on these elements. [Optional]
    var approve_inc_quantity_ele = ' .button.button--icon[data-action="inc"]';
    var approve_dec_quantity_ele = ' .button.button--icon[data-action="dec"]';

    // SKU
    var approve_sku_ele_name = '';

    // OPTIONS -- All of the following is optional. Options are be fairly custom
        // Wrapper for the ENTIRE options section
    var approve_options_wrapper_ele_name = '';
        // Elements that need to have *change* watchers. Mostly used on select elements. Will be used in a foreach, so picking a class with multiple selects is both allowed and encouraged. Ensure these elements are contained within the wrapper above.
    var approve_select_ele_name = '';

    // APPROVE BUTTON STYLING
    var approve_button_display_style = 'inline-block';

    // '50px' -- All sides will have margin of 50PX
    // '50px 10px' -- top/bottom will be 50px, right/left 10px
    // '50px 10px 20px 30px' -- top / right / bottom / left
    var approve_button_display_margin = '10px 0px';

    var approve_button_to_remove_ele = "";

    // ******************************************************************
    //              END PRODUCT PAGE Variable Configuration
    // ******************************************************************




    // ******************************************************************
    //   INITIAL PRODUCT PAGE ELEMENT SELECTION -- No Action Required
    // ******************************************************************

    // Grabbing variables based on the variable configuration.
        // IMPORTANT -- this selection has to be made both INSIDE and OUTSIDE of init_approve_button.
        // This is because we need to first identify the elements for the use of watchers -- but also need them to be dynamic.

    // model
    var approve_model_ele  = document.querySelector(approve_model_ele_name);
    //console.log(approve_model_ele);
    if (!approve_model_ele){
        approve_debug_log("APPROVE: No initial approve_model_ele found.",1);
    }

    // price
    var approve_price_ele  = document.querySelector(approve_price_ele_name);
    if (!approve_price_ele){
        approve_debug_log("APPROVE: No initial approve_price_ele found.",1);
    }

    // qty
    if (approve_qty_ele_name){
        var approve_qty_ele  = document.querySelector(approve_qty_ele_name);
        if (!approve_qty_ele){
            approve_debug_log("APPROVE: No initial approve_qty_ele found.",1);
        }
    }

    if (approve_sku_ele_name){
        var approve_sku_ele  = document.querySelector(approve_sku_ele_name);
        if (!approve_sku_ele){
            approve_debug_log("APPROVE: No initial approve_sku_ele found.",1);
        }
    }
    // element to insert after
    var approve_insert_after_ele = document.querySelector(approve_insert_after_ele_name);
    if (!approve_insert_after_ele){
        approve_debug_log("APPROVE: No initial approve_insert_after_ele found.",1);
    }

    // ******************************************************************
    //           END INITIAL PRODUCT PAGE ELEMENT SELECTION
    // ******************************************************************



    // ******************************************************************
    //  Initilizes the approve button.
    //  This function handles both the CREATION and UPDATE of button variables
    // ******************************************************************
    function init_approve_button(){

        // ******************************************************************
        //   DYNAMIC PRODUCT PAGE ELEMENT SELECTION -- No Action Required
        // ******************************************************************

        // Grabbing variables based on the variable configuration.
        // IMPORTANT -- this selection has to be made both INSIDE and OUTSIDE of init_approve_button.
        // This is because we need to first identify the elements for the use of watchers -- but also need them to be dynamic.

        // model
        var approve_model_ele  = document.querySelector(approve_model_ele_name);
        if (!approve_model_ele){
            approve_debug_log("APPROVE: No dynamic approve_model_ele found.",0,1);
            return;
        }
        var approve_sku_ele = null;
        if (approve_sku_ele_name){
            approve_sku_ele  = document.querySelector(approve_sku_ele_name);
            if (!approve_sku_ele){
                approve_debug_log("APPROVE: No dynamic approve_sku_ele found.",1);
            }
        }
        var approve_model = approve_model_ele.textContent;
        //console.log(approve_model);
        if (approve_sku_ele) {
            approve_model += " (SKU: " + approve_sku_ele.textContent + ") ";
        }

        // price
        var approve_price_ele  = document.querySelector(approve_price_ele_name);
        if (!approve_price_ele){
            approve_debug_log("APPROVE: No dynamic approve_price_ele found.",0,1);
            return;
        }
        var approve_price = approve_price_ele.innerHTML.replace(/[^0-9.]/g, '');
        approve_price = parseFloat(approve_price);
        if (!approve_price || approve_price == 0){
            approve_debug_log("APPROVE: Price not found (or is 0) after removing non-numerical characters.",1);
        }


        // qty
        if (approve_qty_ele_name){
            var approve_qty_ele  = document.querySelector(approve_qty_ele_name);
        }
        var approve_qty = 1;
        if (!approve_qty_ele){
            approve_debug_log("APPROVE: No dynamic approve_qty_ele found.",1);
        } else {
            approve_qty = approve_qty_ele.value;
        }
        approve_qty = parseInt(approve_qty);


        // element to insert after
        var approve_insert_after_ele = document.querySelector(approve_insert_after_ele_name);
        if (!approve_insert_after_ele){
            approve_debug_log("APPROVE: No dynamic approve_insert_after_ele found.",0,1);
            return;
        }
        // ******************************************************************
        //           END DYNAMIC PRODUCT PAGE ELEMENT SELECTION
        // ******************************************************************


        // ******************************************************************
        //                   FIND SELECT OPTIONS
        // ******************************************************************
        var approve_options_wrapper_ele = null;
        if (approve_options_wrapper_ele_name){
            // Get options wrapper
            approve_options_wrapper_ele = document.querySelector(approve_options_wrapper_ele_name);
            if (!approve_options_wrapper_ele){
                approve_debug_log("No approve_options_wrapper_ele found.");
            } else { // TRH - added else to prevent js error when options dont exist
                var approve_selected_options = approve_options_wrapper_ele.querySelectorAll(approve_select_ele_name);
                if (!approve_selected_options){
                    approve_debug_log("No approve_selected_options found.");
                }
                approve_selected_options.forEach(function (item, index) {
                    // CONFIGURE OPTIONS HERE
                });
            }
        }
        // ******************************************************************
        //                      END SELECT OPTIONS
        // ******************************************************************


        // ******************************************************************
        //                   ADD APPROVE BUTTON TO PAGE
        // ******************************************************************
        // Check if the button is on the page
        var approve_button = document.getElementById('approve_button_id');
        if (!approve_button){

            // If event listener is needed for options, here is where it can be initiated.
            if (approve_options_wrapper_ele_name){
                approve_options_wrapper_ele = document.querySelector(approve_options_wrapper_ele_name);
                if (approve_options_wrapper_ele){
                    // If a change listener is needed for options, it is initliazed here.
                    var approve_options1 = approve_options_wrapper_ele.querySelectorAll(approve_select_ele_name);
                    approve_options1.forEach(function (item, index) {
                        item.addEventListener('change',event => {
                            init_approve_button();
                        })
                    });
                }
            }

            // Insert Button=
            var approve_button = document.createElement('approve-button');
            approve_button.id = "approve_button_id";

            if (approve_button_display_style){
                approve_button.style.display = approve_button_display_style;
            }
            if (approve_button_display_margin){
                approve_button.style.margin = approve_button_display_margin;
            }
            approve_button.setAttribute('application-type',"embedded_app");
            var approve_btn_wrapper = document.createElement("div");
            approve_btn_wrapper.appendChild(approve_button);
            approve_insert_after_ele.after(approve_btn_wrapper);
        }

        // Removing a button
        if (approve_button_to_remove_ele){
            var approve_button_to_remove = document.querySelector(approve_button_to_remove_ele);
            if (approve_button_to_remove){
                approve_button_to_remove.style.display = "none";
            }
        }


        // If price is below $200, teaser rate breaks. Let's ensure that it's above $500.
        if ((parseFloat(approve_price) * parseInt(approve_qty)) < 500){
            approve_debug_log("Price is below $500.");
            approve_button.style.display = "none";
            return;
        }

        // Set approve button variables.
        approve_button.setAttribute('price',approve_price);
        approve_button.setAttribute('model',approve_model);
        approve_button.setAttribute('qty',approve_qty);
        approve_button.setAttribute('type',"new_product");

    }

    // ******************************************************************
    // Simple set button qty. Must pass the new QTY to the button.
    // ******************************************************************
    function approve_update_qty(approve_qty){
        var approve_button = document.getElementById('approve_button_id');
        if (approve_button){
            var approve_btn_qty = parseInt(approve_button.getAttribute('qty'));
            if (approve_qty != approve_btn_qty){
                approve_button.setAttribute('qty',approve_qty);
            }
        }
    }

    // ******************************************************************
    // If timing is an issue, this function creates an interval for setting button qty.
    // ******************************************************************
    var approve_timer = null;
    function approve_update_qty_timer(){
        var approve_button = document.getElementById('approve_button_id');
        if (approve_button){
            if(approve_timer) {
                clearInterval(approve_timer);
                approve_timer = null;
            }
            var approve_btn_qty = parseInt(approve_button.getAttribute('qty'));
            var number_of_checks = 0;
            approve_timer = setInterval(function(){
                if(number_of_checks>=5){
                    clearInterval(approve_timer);
                    approve_timer = null;
                }
                if(approve_btn_qty != parseInt(approve_qty_ele.value)){
                    approve_button.setAttribute('qty',parseInt(approve_qty_ele.value));
                    clearInterval(approve_timer);
                    approve_timer = null;
                }
                number_of_checks++;
            },500)
        }
    }

    init_approve_button();

    // If there is a qty element, we need to set watchers/listeners.
    if (approve_qty_ele){
        // Add change watcher to qty input
        approve_qty_ele.addEventListener('change',event => {
            approve_update_qty_timer();
        })

        if (approve_inc_quantity_ele && approve_dec_quantity_ele){
            activate_increase_and_decrease_buttons();
        }
    }

    if (approve_price_ele){
        var approve_price_watcher = approve_price_ele;
        // Add observer to price element
        const approve_price_observer = new MutationObserver(function() {
            init_approve_button();
        });
        approve_price_observer.observe(approve_price_watcher,{subtree: true, childList: true});

        var approve_model_watcher = approve_model_ele;
        if (approve_model_watcher){
            // Add observer to price element
            const approve_model_observer = new MutationObserver(function() {
                init_approve_button();
            });
            approve_model_observer.observe(approve_model_watcher,{subtree: false, childList: true});
        }
    }
}


// Element to know we are on the cart page -- ideally a wrapper
var approve_cart_wrapper_ele = ' .cart-panel';
var approve_cart_wrapper = document.querySelector(approve_cart_wrapper_ele);
if (approve_cart_wrapper) {
    // ******************************************************************
    // ******************************************************************
    //                          CART PAGE
    // ******************************************************************
    // ******************************************************************
    
    // ******************************************************************
    //              CART PAGE Variable Configuration
    // ******************************************************************
    approve_initialize_cart_wrapper();
    
    function approve_initialize_cart_wrapper(){
    
    // Element for each line item
    var approve_cart_item_ele = approve_cart_wrapper_ele + ' .cart-item';
    
    // Total cart price (optional -- watcher for updating the cart)
    var approve_cart_total_price_ele = approve_cart_wrapper_ele + ' .cart-total-value.cart-total-grandTotal span'
    
    // Item variables
    var approve_cart_item_model_ele = approve_cart_wrapper_ele + ' h2.cart-item-name a';
    var approve_cart_item_price_ele = approve_cart_wrapper_ele + ' .cart-item-value';
    var approve_cart_item_qty_ele = approve_cart_wrapper_ele + ' .form-input.form-input--incrementTotal.cart-item-qty-input';
    
    // Insert approve button after this element
    var approve_cart_insert_btn_after_ele = ' a.button.button--primary';
    
    // Element for TAX on cart (optional)
    var approve_cart_tax_price_ele = '';
    
    // Element for SHIPPING on cart (optional)
    var approve_cart_shipping_price_ele = '';
    
    // ******************************************************************
    //              END CART PAGE Variable Configuration
    // ******************************************************************
    
    
    // ******************************************************************
    //        CART PAGE ELEMENT SELECTION -- No Action Required
    // ******************************************************************
    // Find data wrappers -- ideally with syntax so that there will not be a console error thrown on non-cart pages [ie. no multiple query selectors / finds].
    if (approve_cart_wrapper_ele){
        var approve_cart_wrapper = document.querySelector(approve_cart_wrapper_ele);
        var approve_cart_item = document.querySelectorAll(approve_cart_item_ele);
    }
    
    
    function approve_initialize_cart(){
        if (!approve_cart_item){
            if (approve_debug_mode){
                console.log("no cart items found.")
            }
            return;
        }
    
        var approve_cart_items_array = [];
    
        approve_cart_item.forEach(function (item, index) {
            var approve_cart_item = {};
    
            // Find model, price, and qty for each cart item.
            var approve_cart_item_model_wrapper = item.querySelector(approve_cart_item_model_ele);
            var approve_cart_item_qty_wrapper = item.querySelector(approve_cart_item_qty_ele);
            var approve_cart_item_price_wrapper = item.querySelector(approve_cart_item_price_ele);
    
            // check model
            if (!approve_cart_item_model_wrapper){
                if (approve_debug_mode){
                    console.log("No approve_cart_item_model_wrapper found.");
                }
                return;
            }
            // var approve_cart_item_model_wrapper = approve_cart_item_model_wrapper;
            // set and encode cart item model.
            var approve_cart_item_model = approve_cart_item_model_wrapper.textContent.trim();
            approve_cart_item.model = encodeURIComponent(approve_cart_item_model);
    
            // check price
            if (!approve_cart_item_price_wrapper){
                if (approve_debug_mode){
                    console.log("No approve_cart_item_price_wrapper found.");
                }
                return;
            }
            var approve_price = approve_cart_item_price_wrapper.innerHTML.replace(/[^0-9.]/g, '');
            var approve_cart_price = parseFloat(approve_price);
            // set price
            approve_cart_item.price = approve_cart_price;
    
    
    
            // check qty
            if (!approve_cart_item_qty_wrapper){
                if (approve_debug_mode){
                    console.log("No approve_cart_item_qty_wrapper found. Qty is set to 1.");
                }
                var approve_qty = 1;
            } else {
                var approve_qty = approve_cart_item_qty_wrapper.value;
            }
            var approve_cart_qty = parseInt(approve_qty);
            // set qty
            approve_cart_item.qty = parseInt(approve_cart_qty);
            approve_cart_item.type = "new_product";
            //console.log(approve_cart_item);
            approve_cart_items_array.push(approve_cart_item);
    
        });
    
        // Check to see if the approve button is already on the page. If it isn't, we will create it now.
        var approve_button = document.getElementById('approve_button_id');
        if (!approve_button){
            // Find the element where we want to insert our button.
            var approve_cart_insert_after_ele = document.querySelector(approve_cart_insert_btn_after_ele);
            if(!approve_cart_insert_after_ele){
                if (approve_debug_mode){
                    console.log("Element to insert approve button after not found.");
                }
                return;
            }
            var approve_button = document.createElement('approve-button');
            approve_button.id = "approve_button_id";
            approve_button.style.display="inline-block";
            approve_button.style.textAlign="right";
            approve_button.style.marginLeft="45px";
            approve_button.style.marginTop="20px";
            approve_button.setAttribute('application-type',"embedded_app");
            approve_button.setAttribute('clear-cart-items',"true");
            approve_cart_insert_after_ele.after(approve_button);
        }
    
        if (approve_cart_tax_price_ele){
            var approve_tax_price_raw = document.querySelector(approve_cart_tax_price_ele);
            var approve_tax_price = approve_tax_price_raw.textContent.replace(/[^0-9.]/g, '');
            approve_tax_price =  parseFloat(approve_tax_price).toFixed(2);
    
            if (approve_tax_price && approve_tax_price > 0){
                var approve_cart_shipping_item = {};
                approve_cart_shipping_item.model = "Tax";
                approve_cart_shipping_item.price = approve_tax_price;
                approve_cart_shipping_item.qty = 1;
                approve_cart_shipping_item.type = "new_product";
                approve_cart_items_array.push(approve_cart_shipping_item);
            }
        }
    
        if (approve_cart_shipping_price_ele){
            var approve_shipping_price_raw = document.querySelector(approve_cart_shipping_price_ele);
            var approve_shipping_price = approve_shipping_price_raw.textContent.replace(/[^0-9.]/g, '');
            approve_shipping_price =  parseFloat(approve_shipping_price).toFixed(2);
    
            if (approve_shipping_price && approve_shipping_price > 0){
                var approve_cart_shipping_item = {};
                approve_cart_shipping_item.model = "Shipping";
                approve_cart_shipping_item.price = approve_shipping_price;
                approve_cart_shipping_item.qty = 1;
                approve_cart_shipping_item.type = "new_product";
                approve_cart_items_array.push(approve_cart_shipping_item);
            }
        }
    
        approve_button.setAttribute('items',JSON.stringify(approve_cart_items_array));
    
    }
    
    if (approve_cart_wrapper_ele){
        
        approve_initialize_cart();
        var approve_price_watcher = document.querySelector(' .page-content');
        // Add observer to price element
        const approve_price_observer = new MutationObserver(function() {
            //console.log('RELOADING');
            approve_initialize_cart_wrapper();    
            
        });
        approve_price_observer.observe(approve_price_watcher,{subtree: true, childList: true});
    
    } else {
        if (approve_debug_mode){
            console.log("No approve_cart_wrapper found.");
        }
    }
    }
}


/**
 *
 * Activates quantity buttons.
 * QTY buttons are, sometimes added to the page after a page has been rendered. This will wait for that to happen.
 */
function activate_increase_and_decrease_buttons(number_of_tries=0){
    number_of_tries++;
    // buttons that raise or lower the quantity.
    var approve_qty_btn_inc = document.querySelector(approve_inc_quantity_ele);
    var approve_qty_btn_dec = document.querySelector(approve_dec_quantity_ele);
    if ((!approve_qty_btn_inc || !approve_qty_btn_dec) && number_of_tries < 10){
    setTimeout(()=>(activate_increase_and_decrease_buttons(number_of_tries)),500);
        return
    }

    // Assign click events to these buttons so that qty is updated on click.
    if(approve_qty_btn_inc && approve_qty_btn_dec){
        approve_qty_btn_inc.addEventListener('click',event => {
            var approve_button = document.getElementById('approve_button_id');
            if (approve_button){
                var approve_btn_qty = parseInt(approve_button.getAttribute('qty'));
                approve_btn_qty = approve_btn_qty + 1;
                approve_update_qty(approve_btn_qty);
            }
        });

        approve_qty_btn_dec.addEventListener('click',event => {
            var approve_button = document.getElementById('approve_button_id');
            if (approve_button){
                var approve_btn_qty = parseInt(approve_button.getAttribute('qty'));
                if (approve_btn_qty > 1){
                    approve_btn_qty = approve_btn_qty - 1;
                    approve_update_qty(approve_btn_qty);
                }
            }
        });
    }
    else {
        approve_debug_log("APPROVE: No approve_qty_btn_inc or approve_qty_btn_dec found.",1);
    }
}

// IF YOU WANT TO USE A LOG WITH COLORS YOU CAN USE
function approve_debug_log(log, warn, err) {
    warn = warn || false;
    err = err || false;
    let css = "padding: 5px 20px; ";
    if (err) {
        css += "background:#8B0000; color:#fff; ";
    } else if(warn) {
        css += "background:#FFBF00; color:#000; ";
    } else {
        css += "background:#418AC9; color:#fff; ";
    }
    if (approve_debug_mode) console.log("%c"+log,css);
}