(function () {
    "use strict";
    let analysisMatriciMap = {};

    function loadAnalysisMatrixNames() {
        return $.ajax({
            url: "get_matrici_db.php",
            method: "GET",
            dataType: "json",
        })
            .done(function (data) {
                analysisMatriciMap = {};

                (data.value || []).forEach(function (matrice) {
                    analysisMatriciMap[String(matrice.IdMatrice)] =
                        matrice.NomeMatrice || "#" + matrice.IdMatrice;
                });

                applyAnalysisMatrixNames();
            })
            .fail(function () {
                analysisMatriciMap = {};
                applyAnalysisMatrixNames();
            });
    }

    function applyAnalysisMatrixNames() {
        const modal = document.getElementById("analysisModal");
        if (!modal) return;

        modal.querySelectorAll(".analysis-matrix-item").forEach((item) => {
            const matrixId = item.getAttribute("data-matrix-id");
            const nameEl = item.querySelector(".analysis-matrix-name");

            let matrixName = "No Matrix";
            if (matrixId && matrixId !== "NO_MATRIX") {
                matrixName =
                    analysisMatriciMap[String(matrixId)] || "#" + matrixId;
            }

            item.setAttribute("data-matrix-name", matrixName);

            if (nameEl) {
                nameEl.textContent = matrixName;
            }
        });

        modal.querySelectorAll(".analysis-part-matrix-name").forEach((el) => {
            const matrixId = el.getAttribute("data-matrix-id");

            if (!matrixId || matrixId === "NO_MATRIX") {
                el.textContent = "No Matrix";
                return;
            }

            el.textContent =
                analysisMatriciMap[String(matrixId)] || "#" + matrixId;
        });
    }

    function updateSelectedPartsInfo() {
        const modal = document.getElementById("analysisModal");
        if (!modal) return;

        const checked = modal.querySelectorAll(
            ".analysis-part-checkbox:checked",
        );
        const ids = Array.from(checked).map((el) => el.value);

        const countEl = modal.querySelector("#analysisSelectedPartsCount");
        const idsEl = modal.querySelector("#analysisSelectedPartsIds");

        if (countEl) {
            countEl.textContent = `${ids.length} selected`;
        }

        if (idsEl) {
            idsEl.textContent = ids.length ? ids.join(", ") : "-";
        }

        modal.querySelectorAll(".analysis-part-item").forEach((item) => {
            const checkbox = item.querySelector(".analysis-part-checkbox");
            if (checkbox && checkbox.checked) {
                item.classList.add("part-checked");
            } else {
                item.classList.remove("part-checked");
            }
        });
    }

    function selectPartsByMatrix(matrixId, matrixLabel) {
        const modal = document.getElementById("analysisModal");
        if (!modal) return;

        const partItems = modal.querySelectorAll(".analysis-part-item");
        const matrixLabelEl = modal.querySelector("#analysisCurrentMatrix");

        partItems.forEach((item) => {
            const itemMatrixId = item.getAttribute("data-matrix-id");
            const checkbox = item.querySelector(".analysis-part-checkbox");

            item.classList.remove("matrix-active");

            if (itemMatrixId === String(matrixId)) {
                item.classList.add("matrix-active");
                if (checkbox) checkbox.checked = true;
            } else {
                if (checkbox) checkbox.checked = false;
            }
        });

        if (matrixLabelEl) {
            matrixLabelEl.textContent = matrixLabel || "-";
        }

        updateSelectedPartsInfo();
    }

    function clearAnalysisSelection() {
        const modal = document.getElementById("analysisModal");
        if (!modal) return;

        modal.querySelectorAll(".analysis-matrix-item").forEach((item) => {
            item.classList.remove("active");
        });

        modal.querySelectorAll(".analysis-part-item").forEach((item) => {
            item.classList.remove("matrix-active", "part-checked");
        });

        modal.querySelectorAll(".analysis-part-checkbox").forEach((cb) => {
            cb.checked = false;
        });

        const matrixLabelEl = modal.querySelector("#analysisCurrentMatrix");
        if (matrixLabelEl) matrixLabelEl.textContent = "-";

        updateSelectedPartsInfo();
    }

    function initAnalysisModal() {
        const modal = document.getElementById("analysisModal");
        if (!modal) return;

        modal.querySelectorAll(".analysis-matrix-item").forEach((btn) => {
            btn.addEventListener("click", function () {
                modal
                    .querySelectorAll(".analysis-matrix-item")
                    .forEach((x) => x.classList.remove("active"));
                this.classList.add("active");

                const matrixId = this.getAttribute("data-matrix-id");
                const matrixLabel =
                    this.getAttribute("data-matrix-name") ||
                    this.textContent.trim();

                selectPartsByMatrix(matrixId, matrixLabel);
            });
        });

        modal.querySelectorAll(".analysis-part-checkbox").forEach((cb) => {
            cb.addEventListener("change", function () {
                updateSelectedPartsInfo();
            });
        });

        const clearBtn = modal.querySelector("#analysisClearSelectionBtn");
        if (clearBtn) {
            clearBtn.addEventListener("click", function () {
                clearAnalysisSelection();
            });
        }

        const firstActiveMatrix = modal.querySelector(
            ".analysis-matrix-item.active",
        );
        if (firstActiveMatrix) {
            const matrixId = firstActiveMatrix.getAttribute("data-matrix-id");
            const matrixLabel =
                firstActiveMatrix.getAttribute("data-matrix-name") ||
                firstActiveMatrix.textContent.trim();

            selectPartsByMatrix(matrixId, matrixLabel);
        } else {
            updateSelectedPartsInfo();
        }
    }

    // OPEN ANALYSIS MODAL FROM PARTS MODAL BUTTON
    $(document).on("click", ".open-analysis-modal-btn", function () {
        const partsModal = document.getElementById("partsModal");
        const iddatadb = $("#partsModal").data("iddatadb");

        if (!iddatadb) {
            console.error("iddatadb not found on #partsModal");
            alert("iddatadb not found");
            return;
        }

        $.ajax({
            url: "modal_analysis.php",
            method: "GET",
            data: { iddatadb: iddatadb },
            success: function (response) {
                $("#analysisModalContainer").html(response);

                const modalElement = document.getElementById("analysisModal");
                if (!modalElement) {
                    console.error("Analysis modal not found: #analysisModal");
                    return;
                }

                let modal = bootstrap.Modal.getInstance(modalElement);
                if (!modal) {
                    modal = new bootstrap.Modal(modalElement, {
                        backdrop: true,
                        keyboard: true,
                        focus: true,
                    });
                }

                loadAnalysisMatrixNames().always(function () {
                    initAnalysisModal();
                    modal.show();
                });
            },
            error: function (xhr, status, error) {
                console.error("Error loading analysis modal:", error);
                alert("Error loading analysis modal: " + error);
            },
        });
    });

    // CLEANUP ON CLOSE
    $(document).on("hidden.bs.modal", "#analysisModal", function () {
        const modalElement = document.getElementById("analysisModal");
        if (modalElement) {
            const modal = bootstrap.Modal.getInstance(modalElement);
            if (modal) modal.dispose();
        }

        $("#analysisModalContainer").empty();

        // keep parts modal alive, but remove extra backdrop leftovers
        $(".modal-backdrop").last().remove();

        if ($("#partsModal").hasClass("show")) {
            $("body").addClass("modal-open");
        } else {
            $("body").removeClass("modal-open").css("padding-right", "");
        }
    });
})();