(function ($) {

    $(function () {
        var script_vars = $.extend(true, {
            container_id: undefined,
            ajax_url: undefined,
            gtm_data: {},
            step: undefined,
            partner_ajax_action: undefined,
            currency: 'CHF',
            summary_title_class: undefined,
            summary_price_class: undefined,
            summary_partners_class: undefined,
            summary_partner_tpl_class: undefined,
            summary_total_class: undefined,
            banks_container_class: 'banks-container'
        }, fasoon_alt_summary_box_vars);

        var $container = $('#' + script_vars.container_id);
        if (!$container.length) {
            alert('Element #' + script_vars.container_id + ' is not found.');
            return;
        }

        var $summary_price = $container.find('.' + script_vars.summary_price_class);
        if (!$summary_price.length) {
            alert('Element .' + script_vars.summary_price_class + ' is not found.');
            return;
        }

        var summary_partner_tpl = $container.find('.' + script_vars.summary_partner_tpl_class)[0].outerHTML;
        if (!summary_partner_tpl) {
            alert('Summary partner template is not found.');
            return;
        }
        $container.find('.' + script_vars.summary_partner_tpl_class).remove();

        var $summary_partners = $container.find('.' + script_vars.summary_partners_class);
        if (!$summary_partners.length) {
            alert('Element .' + script_vars.summary_partners_class + ' is not found.');
            return;
        }
        if (!$summary_partners.find('ul>li').length) {
            $summary_partners.hide();
        }

        var $summary_selected_partners = $summary_partners.find('.partner-intro');
        if (!$summary_selected_partners.length) {
            alert('Element .partner-intro is not found.');
            return;
        }

        $summary_total = $container.find('.' + script_vars.summary_total_class);
        if (!$summary_total.length) {
            alert('Element .' + script_vars.summary_total_class + ' is not found.');
            return;
        }

        $banks_container = $('.' + script_vars.banks_container_class);

        initPartners();

        function initPartners() {
            if ($banks_container.length) {
                $banks_container.find('.bank').each(function (i, el) {
                    $('.add_btn', el).on('click', onBankAdd);
                    $('.remove_btn', el).on('click', onPartnerRemove);
                });

                // якщо вже є вибраний банк, то нічого робити не треба
                // якщо немає, то треба перевірити чи є банки з "related partners"
                if (!$banks_container.find('.add_btn.hidden').length) {
                    $banks_container.find('.bank').each(function (i, el) {
                        var $add_btn = $(el).find('.add_btn');
                        var related_partner = $add_btn.data('related-partner');
                        if (related_partner && $summary_partners.find('li[data-id=' + related_partner + ']').length) {
                            $add_btn.trigger('click', [ true ] );
                            return false;
                        }
                    });
                }
            }

            $summary_partners.find('ul>li').each($.proxy(function (i, el) {
                var li = $(el);
                li.find('.remove_btn').on('click', onPartnerRemove);
            }, this));

            $summary_selected_partners.on('click', toggleSelectedPartners);

            updateSummary();
        }

        function toggleSelectedPartners() {
            if ($summary_selected_partners.hasClass('open')) {
                $summary_selected_partners.removeClass('open');
                $summary_selected_partners.addClass('close');
                $summary_partners.find('.summary-partners-list').slideUp('fast');
            } else {
                $summary_selected_partners.removeClass('close');
                $summary_selected_partners.addClass('open');
                $summary_partners.find('.summary-partners-list').slideDown('fast');
            }
        }

        function partnerGtmEvent(action, partner) {
            fasoon_gtm.push({
                "event": "company_foundation",
                "step_number": script_vars.step,
                "step_progress": "In Progress",
                "item_category": "Regional Partner",
                "item_action": action,
                "item_name": partner.title,
                "item_currency": script_vars.currency,
                "item_discount": partner.discount,
            });
        }
        
        function onBankAdd(ev, is_manual_call) {
            var target_bank_ID = $(ev.currentTarget).data('id');

            // якщо вже доданий інший банк, то треба видалити його з партнерів (може бути доданий тільки один банк)
            $banks_container.find('.bank').each(function (i, el) {
                var bank_ID = $('.add_btn', el).data('id');
                $('ul > li', $summary_partners).each(function (i, el) {
                    var $rm_btn = $('.remove_btn', el);
                    if ($rm_btn.data('id') == bank_ID) {
                        $rm_btn.trigger('click');
                    }
                });

                // видаляються ті банки які мають "related partners"
                $banks_container.find('.bank').each(function (i, el) {
                    var $rm_btn = $('.remove_btn', el);
                    var bank_ID = $rm_btn.data('id');
                    if (target_bank_ID != bank_ID) {
                        $rm_btn.trigger('click');
                    }
                });
            });

            return onPartnerAdd(ev, is_manual_call);
        }

        function onPartnerAdd(ev, is_manual_call) {
            var target = $(ev.currentTarget);

            var partner_id = target.data('id');
            var partner_apiname = target.data('apiname');
            var related_partner = target.data('related-partner');

            if (!related_partner || !$summary_partners.find('li[data-id=' + related_partner + ']').length) {
                var partner_title = target.data('title');
                var partner_discounts = target.data('discounts');
                var li = $(summary_partner_tpl).clone();
                li.removeClass(script_vars.summary_partner_tpl_class);
                li.find('input[type=hidden]').val(partner_id);
                li.find('.remove_btn').on('click', onPartnerRemove);
                li.find('.remove_btn').attr('data-id', partner_id);
                li.find('.title').html(partner_title);
                li.attr('data-id', partner_id);
                li.attr('data-type', 'bank');
                li.attr('data-discounts', JSON.stringify(partner_discounts));
                li.attr('data-apiname', partner_apiname);

                $('ul', $summary_partners).append(li);

                $summary_partners.show();
            }

            $banks_container.find('.bank .add_btn[data-id=' + partner_id + ']').addClass('hidden');
            $banks_container.find('.bank .remove_btn[data-id=' + partner_id + ']').removeClass('hidden');

            updateSummary();

            if (!is_manual_call) {
                partnerGtmEvent('Add', {
                    title: partner_apiname,
                    discount: $summary_partners.find('li[data-id=' + partner_id + ']').find('.discount').data('discount'),
                });
            }
        }

        function onPartnerRemove(ev) {
            var partner_id = $(ev.currentTarget).data('id');
            var li = $summary_partners.find('li[data-id=' + partner_id + ']');

            if (!li.length) {
                return;
            }

            $banks_container.find('.bank .remove_btn[data-id=' + partner_id + ']').addClass('hidden');
            $banks_container.find('.bank .add_btn[data-id=' + partner_id + ']').removeClass('hidden');



            partnerGtmEvent('Remove', {
                title: li.data('apiname'),
                discount: li.find('.discount').data('discount'),
            });

            li.remove();

            if (!$summary_partners.find('ul>li').length) {
                $summary_partners.hide();
            }

            updateSummary();
        }
        
        function updateSummary() {
            var price = $summary_price.data('price');
            var entity_id = $summary_price.data('entityid');
            var backing_id = $summary_price.data('backingid');
            var total = price;
            var total_without_bank = price;
            var partners_discount = 0;
            $summary_partners.find('ul>li').each(function (i, el) {
                var li = $(el);

                var partner_discount = 0.0;
                var discounts = li.data('discounts');
                var hide_discount = li.data('hide-discount');

                if (hide_discount) {
                    li.find('.discount').addClass('hidden');
                }

                if (discounts) {
                    if (backing_id) {
                        if (discounts.hasOwnProperty(entity_id) && discounts[entity_id].hasOwnProperty(backing_id)) {
                            partner_discount = discounts[entity_id][backing_id];
                        }
                    } else {
                        if (discounts.hasOwnProperty(entity_id)) {
                            partner_discount = discounts[entity_id];
                        }
                    }
                }

                var discount = price * partner_discount / 100;
                if (discount > total) {
                    discount = total;
                }
                li.find('.discount').attr('data-discount', discount);
                li.find('.discount').html('- ' + script_vars.currency + ' ' + formatPrice(discount));
                total -= discount;
                if ('bank' != li.data('type')) {
                    total_without_bank -= discount;
                    if (total_without_bank < 0) {
                        total_without_bank = 0;
                    }
                }
                if (total < 0) {
                    total = 0;
                }
                partners_discount += discount;
            });

            $summary_selected_partners.find('.discount').text(script_vars.currency + ' ' + formatPrice(partners_discount));

            $summary_total.data('total', total);
            $summary_total.text(script_vars.currency + ' ' + formatPrice(total));

            updatePartners(total, total_without_bank);
        }

        function formatPrice(price) {
            var price_f = parseFloat(price);
            var price_i = parseInt(price);
            if (price_f === price_i) {
                price = '' + price_i + '.-';
            } else {
                price = '' + price_f.toFixed(2);
            }
            return price;
        }

        function updatePartners(total, total_without_bank) {
            if ($banks_container.length) {
                var price = $summary_price.data('price');
                var entity_id = $summary_price.data('entityid');
                var backing_id = $summary_price.data('backingid');

                $banks_container.find('.bank').each(function (i, el) {
                    // alt title / description
                    var alt_elems = ['title', 'description'];
                    for (var i in alt_elems) {
                        var elem = alt_elems[i];
                        var $alt_elem = $('.alt_' + elem, el);
                        if ($alt_elem.length) {
                            $alt_price_val = parseFloat($alt_elem.data('altpriceval'));
                            if (!isNaN($alt_price_val) && $alt_price_val > 0 && total < $alt_price_val) {
                                $('.main_' + elem, el).addClass('hidden');
                                $alt_elem.removeClass('hidden');
                            } else {
                                $alt_elem.addClass('hidden');
                                $('.main_' + elem, el).removeClass('hidden');
                            }
                        }
                    }

                    // bank discount
                    var $this = $(this);
                    var discount = 0.0;

                    var discounts = $this.find('.add_btn').data('discounts');
                    if (discounts) {
                        if (backing_id) {
                            if (discounts.hasOwnProperty(entity_id) && discounts[entity_id].hasOwnProperty(backing_id)) {
                                discount = discounts[entity_id][backing_id];
                            }
                        } else {
                            if (discounts.hasOwnProperty(entity_id)) {
                                discount = discounts[entity_id];
                            }
                        }
                    }

                    if (total_without_bank > 0 && discount > 0) {
                        var discount = price * discount / 100;
                        if (discount > total_without_bank) {
                            discount = total_without_bank;
                        }
                        $this.find('.bank-price .price').html(script_vars.currency + ' ' + formatPrice(discount));
                        $this.find('.bank-price').removeClass('hidden');
                    } else {
                        $this.find('.bank-price .price').html(script_vars.currency + ' 0.-');
                        $('.bank-price', $this).addClass('hidden');
                    }
                });
            }
        }
    });

})(jQuery);