/**
 * saveAll.js — Save All functionality using gridData
 */
(function () {
    "use strict";

    let saveAllRunning = false;

    function isBusy() {
        return saveAllRunning || window.batchRunning;
    }

    // ── Save single row ──────────────────────────────────────────────────
    $(document).on("click", ".save-btn", async function () {
        const btn = this;
        const rowIndex = parseInt(btn.dataset.row);
        const row = window.gridData?.[rowIndex];
        if (!row) return;

        const origHtml = btn.innerHTML;
        btn.innerHTML = '<i class="fas fa-spinner fa-spin"></i>';
        btn.disabled = true;

        try {
            const formData = window.buildSavePayload(rowIndex);
            const resp = await fetch("save_edited_row.php", {
                method: "POST",
                body: formData,
            });
            const result = await resp.json();

            if (result.success) {
                row._dirty = false;
                if (window.gridRenderer?.clearDirty)
                    window.gridRenderer.clearDirty(rowIndex);
                // Flash success on row without re-rendering (preserves Select2 state)
                const gridRow = document.querySelector(
                    `.grid-row[data-id="${row.iddatadb}"]`,
                );
                if (gridRow) {
                    gridRow.classList.remove("row-dirty");
                    gridRow.querySelectorAll(".grid-cell").forEach((cell) => {
                        cell.classList.remove("cell-changed");
                        cell.classList.add("flash-success");
                    });
                    setTimeout(
                        () =>
                            gridRow
                                .querySelectorAll(".flash-success")
                                .forEach((c) =>
                                    c.classList.remove("flash-success"),
                                ),
                        500,
                    );
                }
                const toastEl = document.getElementById("saveSuccessToast");
                if (toastEl)
                    bootstrap.Toast.getOrCreateInstance(toastEl).show();
            } else {
                alert("Errore: " + result.message);
            }
        } catch (e) {
            alert("Errore: " + e.message);
        } finally {
            btn.innerHTML = origHtml;
            btn.disabled = false;
        }
    });

    // ── Save All ─────────────────────────────────────────────────────────
    $(document).on("click", ".save-all-btn", function (e) {
        e.preventDefault();
        if (isBusy()) return;
        const modalEl = document.getElementById("saveAllConfirmModal");
        if (!modalEl) return;
        new bootstrap.Modal(modalEl, { keyboard: false }).show();
    });

    $(document).on("click", "#saveAllConfirmBtn", async function () {
        const confirmModal = bootstrap.Modal.getInstance(
            document.getElementById("saveAllConfirmModal"),
        );
        if (confirmModal) confirmModal.hide();
        saveAllRunning = true;

        const bar = document.getElementById("batchExportBar");
        const statusEl = document.getElementById("batchExportStatus");
        const cancelBtn = document.getElementById("exportBatchCancelBtn");
        if (bar) bar.style.display = "";
        if (cancelBtn) cancelBtn.style.display = "none";
        if (statusEl) statusEl.textContent = "Saving...";

        const data = window.gridData || [];
        const target =
            typeof window.getTargetGridIds === "function"
                ? window.getTargetGridIds()
                : null;
        const dirtyRows = data
            .map((r, i) => (r._dirty ? i : -1))
            .filter((i) => i >= 0)
            .filter(
                (i) => !target || target.has(parseInt(data[i].iddatadb, 10)),
            );

        if (dirtyRows.length === 0) {
            saveAllRunning = false;
            if (bar) bar.style.display = "none";
            const msgEl = document.getElementById("saveAllResultMessage");
            if (msgEl) msgEl.textContent = "No changes to save.";
            new bootstrap.Modal(
                document.getElementById("saveAllResultModal"),
            ).show();
            return;
        }

        let success = 0,
            fail = 0;

        for (const idx of dirtyRows) {
            if (statusEl)
                statusEl.textContent = `Saving ${success + fail + 1} / ${dirtyRows.length}...`;
            try {
                const formData = window.buildSavePayload(idx);
                const resp = await fetch("save_edited_row.php", {
                    method: "POST",
                    body: formData,
                });
                const result = await resp.json();
                if (result.success) {
                    data[idx]._dirty = false;
                    if (window.gridRenderer?.clearDirty)
                        window.gridRenderer.clearDirty(idx);
                    success++;
                } else {
                    fail++;
                }
            } catch (e) {
                fail++;
            }
        }

        saveAllRunning = false;
        if (bar) bar.style.display = "none";

        const gr = window.gridRenderer;
        if (gr) gr.renderVisibleRows();

        const msg = `Saved: ${success}` + (fail > 0 ? `, Errors: ${fail}` : "");
        const msgEl = document.getElementById("saveAllResultMessage");
        if (msgEl) msgEl.textContent = msg;
        new bootstrap.Modal(
            document.getElementById("saveAllResultModal"),
        ).show();
    });

    // ── beforeunload ─────────────────────────────────────────────────────
    window.addEventListener("beforeunload", function (e) {
        if (window.gridData && window.gridData.some((r) => r._dirty)) {
            e.preventDefault();
            e.returnValue = "";
        }
    });

    // Public
    window.saveAllRunning = () => saveAllRunning;
})();