jQuery(document).ready(function ($) {
    const $variantons = $('input[name="price-updates-variant"]');
    const $contents = $("form[data-price-updates-variant]");

    const $count = $(".price-updates-count");
    const $countSuccess = $(".price-updates-count-success");
    const $countError = $(".price-updates-count-error");

    const $tableWrapper = $(".price-updates-response");
    const $error = $(".price-updates-error");
    const $loaderWrapper = $(".price-updates-loader-wrapper");

    // [Событие] Смена варианита обновления цен 
    $variantons.on("change", function () {
        const $varianton = $(this);

        $tableWrapper.find("tbody").html("");
        $tableWrapper.addClass("hidden");

        updatePriceUpdatesCountSuccess(0);
        updatePriceUpdatesCountError(0);

        $count.addClass("hidden");
        $countSuccess.addClass("hidden");
        $countError.addClass("hidden");

        $contents.each(function() {
            const $content = $(this);

            if ($varianton.val() != $content.data("price-updates-variant")) {
                $content.addClass("hidden");
            } else {
                $content.removeClass("hidden");
            }
        });
    });

    // Инициализация вариантов обновления цен
    $variantons.each(function() {
        const $varianton = $(this);

        $contents.each(function() {
            const $content = $(this);

            if (!$varianton.is(":checked") && $varianton.val() == $content.data("price-updates-variant")) {
                $content.addClass("hidden");
            } else {
                $content.removeClass("hidden");
            }
        });
    });

    function getCount(response) {
        if (!response?.length) {
            return 0;
        }

        let success = 0;
        let error = 0;

        for (const item of response) {
            if (!item?.isError) {
                success += 1;
            } else {
                error += 1;
            }
        }

        return { success, error };
    }

    function updatePriceUpdatesCountSuccess(count) {
        if (typeof count !== "number") return;

        $count.removeClass("hidden");
        
        $countSuccess.removeClass("hidden");
        $countSuccess.html(`Измененно элементов: <span>${count}</span>`);
    }

    function updatePriceUpdatesCountError(count) {
        if (typeof count !== "number") return;
        
        $count.removeClass("hidden");
        
        $countError.removeClass("hidden");
        $countError.html(`Неудалось изменить элементов: <span>${count}</span>`);
    }

    function getTableRow(data) {
        const row = document.createElement("tr");

        const tempData = { ...data };

        delete tempData.url;
        delete tempData.currency;

        for (const [key, value] of Object.entries(tempData)) {
            const ceil = document.createElement("td");

            if (key === "sku") {
                const link = document.createElement("a");

                link.href = data.url;
                link.textContent = value;   

                ceil.appendChild(link);
            } else if (key === "regular" || key === "sale") {
                ceil.textContent = value["old"] != value["new"] ? `${value["old"]} ${data.currency} -> ${value["new"]} ${data.currency}` : `${value["new"]} ${data.currency}`;
            }
            
            row.appendChild(ceil);
        }

        return $(row);
    }

    function getTableRowError(data) {
        const row = document.createElement("tr");

        const tempData = { 
            sku: data?.sku,
            message: data?.message 
        };

        for (const [key, value] of Object.entries(tempData)) {
            const ceil = document.createElement("td");

            ceil.textContent = value;
            
            if (key === "message") {
                ceil.colSpan = 2;
            }

            row.appendChild(ceil);
        }

        return $(row);
    }

    // [Событие] Отправка формы
    $contents.on("submit", function(e) {
        e.preventDefault();

        $loaderWrapper.removeClass("hidden");

        $.ajax({
            method: "POST",
            url: priceUpdatesSettings.ajaxUrl + "/update",
            processData: false,
            contentType: false,
            data: new FormData(this),
            success: function (response) {
                $error.addClass("hidden");

                $tableWrapper.find("tbody").html("");

                if (!response?.length) {
                    $tableWrapper.addClass("hidden");

                    updatePriceUpdatesCountSuccess(0);
                    updatePriceUpdatesCountError(0);
                    
                    return;
                }

                const count = getCount(response);

                updatePriceUpdatesCountSuccess(count.success);
                updatePriceUpdatesCountError(count.error);

                $tableWrapper.removeClass("hidden");

                for (const item of response) {
                    let $row = null;
                    
                    if (!item?.isError) {
                        $row = getTableRow(item);
                    } else {
                        $row = getTableRowError(item);
                    }
                    
                    $tableWrapper.find("tbody").append($row);
                }
            },
            error: function (error) {
                $tableWrapper.find("tbody").html("");
                $tableWrapper.addClass("hidden");

                updatePriceUpdatesCountSuccess(0);
                updatePriceUpdatesCountError(0);

                $count.addClass("hidden");
                $countSuccess.addClass("hidden");
                $countError.addClass("hidden");

                $error.removeClass("hidden");
                $error.text(error?.responseJSON?.message || "Неизвестная ошибка");
            },
            complete: function () {
                $loaderWrapper.addClass("hidden");
            }
        })
    })
});