$(document).ready(function () {
    console.log("Mutations index.js loaded");

    // Check if DataTables is available
    if (typeof $.fn.DataTable === "undefined") {
        console.error("DataTables not available!");
        return;
    }

    // Wait for DOM to be fully ready
    setTimeout(function () {
        initializeDataTable();
    }, 100);
});

function initializeDataTable() {
    console.log("Initializing DataTable...");

    // Destroy existing table if any
    if ($.fn.DataTable.isDataTable("#mutations-table")) {
        $("#mutations-table").DataTable().destroy();
    }

    // Initialize DataTable
    var table = $("#mutations-table").DataTable({
        processing: true,
        serverSide: true,
        destroy: true,
        ajax: {
            url: $("#mutations-table").data("url"),
            type: "GET",
            data: function (d) {
                console.log("DataTables request data:", d);
                console.log("Order info:", d.order);
                console.log("Columns info:", d.columns);
                return d;
            },
            error: function (xhr, error, code) {
                console.error("DataTables AJAX error:", error, code);
                console.error("Response:", xhr.responseText);
            },
        },
        columnDefs: [
            {
                targets: 0, // No. column
                width: "5%",
            },
            {
                targets: 8, // Action column
                width: "20%",
                className: "text-center",
            },
            {
                targets: [6, 7], // Total Items and Status columns
                className: "text-center",
            },
        ],
        columns: [
            {
                data: "DT_RowIndex",
                name: "DT_RowIndex",
                orderable: false,
                searchable: false,
            },
            {
                data: "mutation_number",
                name: "mutation_number",
                orderable: true,
            },
            {
                data: "created_at",
                name: "created_at",
                orderable: true,
            },
            {
                data: "from_dealer",
                name: "from_dealer",
                orderable: true,
            },
            {
                data: "to_dealer",
                name: "to_dealer",
                orderable: true,
            },
            {
                data: "requested_by",
                name: "requested_by",
                orderable: true,
            },
            {
                data: "total_items",
                name: "total_items",
                orderable: true,
            },
            {
                data: "status",
                name: "status",
                orderable: true,
            },
            {
                data: "action",
                name: "action",
                orderable: false,
                searchable: false,
            },
        ],
        order: [[1, "desc"]], // Order by mutation_number desc (which follows ID order)
        pageLength: 10,
        responsive: true,
        ordering: true, // Enable column ordering
        orderMulti: false, // Single column ordering only
    });

    // Debug ordering events
    table.on("order.dt", function () {
        console.log("Order changed:", table.order());
    });

    // Add loading indicator for ordering
    table.on("processing.dt", function (e, settings, processing) {
        if (processing) {
            console.log("DataTable processing started (ordering/filtering)");
        } else {
            console.log("DataTable processing finished");
        }
    });

    // Manual click handler for column headers (fallback)
    $("#mutations-table thead th").on("click", function () {
        var columnIndex = $(this).index();
        console.log("Column header clicked:", columnIndex, $(this).text());

        // Skip if it's the first (No.) or last (Action) column
        if (columnIndex === 0 || columnIndex === 8) {
            console.log("Non-sortable column clicked, ignoring");
            return;
        }

        // Check if DataTables is handling the click
        if (
            $(this).hasClass("sorting") ||
            $(this).hasClass("sorting_asc") ||
            $(this).hasClass("sorting_desc")
        ) {
            console.log("DataTables should handle this click");
        } else {
            console.log("DataTables not handling click, manual trigger needed");
            // Force DataTables to handle the ordering
            table.order([columnIndex, "asc"]).draw();
        }
    });

    // Handle Cancel Button Click with SweetAlert
    $(document).on("click", ".btn-cancel", function () {
        var mutationId = $(this).data("id");

        if (typeof Swal !== "undefined") {
            Swal.fire({
                title: "Batalkan Mutasi?",
                text: "Apakah Anda yakin ingin membatalkan mutasi ini?",
                icon: "warning",
                showCancelButton: true,
                confirmButtonColor: "#d33",
                cancelButtonColor: "#3085d6",
                confirmButtonText: "Ya, Batalkan",
                cancelButtonText: "Batal",
            }).then((result) => {
                if (result.isConfirmed) {
                    cancelMutation(mutationId);
                }
            });
        } else {
            if (confirm("Apakah Anda yakin ingin membatalkan mutasi ini?")) {
                cancelMutation(mutationId);
            }
        }
    });

    // Handle form submissions with loading state
    $(document).on("submit", ".approve-form", function () {
        $(this)
            .find('button[type="submit"]')
            .prop("disabled", true)
            .html("Memproses...");
    });

    // Validate quantity approved in receive modal
    $(document).on("input", 'input[name*="quantity_approved"]', function () {
        var maxValue = parseFloat($(this).attr("max"));
        var currentValue = parseFloat($(this).val());

        if (maxValue && currentValue > maxValue) {
            $(this).val(maxValue);
            $(this).addClass("is-invalid");
            if (!$(this).siblings(".invalid-feedback").length) {
                $(this).after(
                    '<div class="invalid-feedback">Quantity tidak boleh melebihi yang diminta</div>'
                );
            }
        } else {
            $(this).removeClass("is-invalid");
            $(this).siblings(".invalid-feedback").remove();
        }
    });
}

function cancelMutation(mutationId) {
    $.ajax({
        url: "/warehouse/mutations/" + mutationId + "/cancel",
        type: "POST",
        data: {
            _token: $('meta[name="csrf-token"]').attr("content"),
        },
        success: function (response) {
            if (typeof Swal !== "undefined") {
                Swal.fire({
                    title: "Berhasil!",
                    text: "Mutasi berhasil dibatalkan",
                    icon: "success",
                    timer: 2000,
                    showConfirmButton: false,
                });
            } else {
                alert("Mutasi berhasil dibatalkan");
            }
            // Get table instance
            var table = $("#mutations-table").DataTable();
            table.ajax.reload();
        },
        error: function (xhr) {
            var errorMsg =
                xhr.responseJSON?.message || "Gagal membatalkan mutasi";
            if (typeof Swal !== "undefined") {
                Swal.fire({
                    title: "Error!",
                    text: errorMsg,
                    icon: "error",
                });
            } else {
                alert("Error: " + errorMsg);
            }
        },
    });
}