function _log(msg){
    console.log(msg);
}

var IqPromotionShopCart = {
    btn_add_free: '.btn-add-free-product',
    input_free: '.switcher-input',
    btn_shop_add: '.btn-add-product-shop',
    //btn_add: '.add-product-shop',
    btn_remove: '.remove-product-shop',
    //input_event: '.input-event-promotion-onchange',
    btn_clear: '#clear-products-basket',
    cart_input: '.cart-input-event-onchange',
    remove_item: '.remove_item_form_cart',

    url: null,
    action: null,
    cart_holder: '#promotion_cart_holder',

    free_poduct_id: null,
    shipping_option: null,

   
    init: function () {
        var _self = this;
        _self.url = $('input[name=load_url]').val();
        _self.initElements();
        return _self;
    },
    initElements: function (){
        var _self = this;
        //_log('init');
        $(_self.btn_add_free).on('click', function(event) {
            event.preventDefault();
            $(this).find(_self.input_free).prop('checked', true);
            _self.switchFreeProduct($(this).find(_self.input_free));
        });
        $(_self.btn_shop_add).on('click', function(event){
            event.preventDefault();
            _self.addShopProduct($(this));
        });

        $('input[name=switchers_shipping]').on('change', function(event){
            event.preventDefault();
            _self.switchShipping($(this));
        });
        _self.showInit();


        /*$_self.update_poduct_price();*/

    },
    showInit: function (){
        var _self = this;
        $(_self.btn_clear).on('click', function (event){
            event.preventDefault();
            _self.performRequest({action: 'clear-cart'})
                .done(_self.refreshItemsAndView)
        });
        $(_self.cart_input).on('change', function(event){
            event.preventDefault();
            _self.updateInputCart($(this));
        });
        $(_self.remove_item).on('click', function(event){
            event.preventDefault();
            _self.performRequest({product_id: $(this).data('product-id'), qty: 0, action: 'remove-shop-product'})
            .done(_self.refreshItemsAndView);            
        });
    },
    switchShipping: function(_ele){
        var _self = this;
        _self.shipping_option = _ele.val();
        _self.performRequest({shipping_option: _self.shipping_option, action: 'switch-shipping'})
            .done(_self.refreshItemsAndView);        
    },
    switchFreeProduct: function(_ele){
        var _self = this;
        if(_ele.prop('checked')){
            if(_self.free_poduct_id != _ele.val()){
                _self.free_poduct_id = _ele.val();
                _self.performRequest({free_poduct_id: _self.free_poduct_id, action: 'switch-free-product'})
                    .done(_self.refreshItemsAndView);        
            }
        }
    },
    addShopProduct: function(_ele){
        var _self = this;
        if(_ele.data('product_id')){
            _self.performRequest({product_id: _ele.data('product_id'), action: 'add-shop-product'})
                .done(_self.refreshItemsAndView);        
        }
    },

    updateInputCart: function (_ele){
        var _self = this;
        var qty = parseInt(_ele.val());
        qty = _self.checkNumber(qty);
        _ele.val(qty);
        _self.performRequest({product_id: _ele.data('product_id'), qty: qty, action: 'update-shop-product'})
            .done(_self.refreshItemsAndView);            
    },
    checkNumber : function(number){
        if(number < 0 || isNaN(number)){
            return  0;
        }
        if(number >= 100){
            return  100;
        }
        return number;
    },
    refreshItemsAndView: function (data){
        var _self = IqPromotionShopCart;
        //_log(data);
        if(data.response.action == 'clear-cart'){
            location.reload();
        }
        if(data.response.action == 'add-shop-product' || data.response.action == 'update-shop-product' || data.response.action == 'remove-shop-product'){
            var qty = data.response.qty > 0 ? "x"+data.response.qty : 0;
            $('#badge_cart_indicator_'+data.response.product_id).html(qty);
        }
        $(_self.cart_holder).html(data.html);
        _self.showInit();
    },
    performRequest : function(data) {
        var _self = this;
        var url = _self.url;
            _log(data);
           // _log(url);
        return $.ajax({
            url: url,
            data: data,
            type: "POST",
            dataType: "json",
            cache: false,
            contentType: 'application/x-www-form-urlencoded; charset=UTF-8',
            encode: true,
            headers: {
                'X-CSRF-TOKEN': $('meta[name="csrf-token"]').attr('content')
            }
        })
        .done(function (data) {
            _log('performRequest');
            _log(data);
        }).fail(function (jqXHR, textStatus, errorThrown) {
        console.log(jqXHR);
        console.log(jqXHR.responseText);
        console.log(textStatus);
        console.log(errorThrown);
        console.log("Sorry, there was a problem!");
        });
    }
};