document.addEventListener("DOMContentLoaded", function () {
    // Funzione per caricare il contenuto del popup
    async function loadPopupContent(iddatadb) {
        const popupContent = document.getElementById("popupContent");
        if (!popupContent) {
            console.error("Elemento popupContent non trovato");
            return;
        }
        try {
            const response = await fetch(
                `photos_popup.php?iddatadb=${iddatadb}`,
            );
            if (!response.ok)
                throw new Error("Errore nella risposta del server");
            popupContent.innerHTML = await response.text();
            attachPhotoEventListeners(iddatadb);
        } catch (error) {
            popupContent.innerHTML = `<p>Errore durante il caricamento: ${error.message}</p>`;
            console.error("Errore in loadPopupContent:", error);
        }
    }

    // Funzione per gestire la webcam
    function setupWebcam(iddatadb) {
        const openWebcamBtn = document.getElementById("openWebcamBtn");
        const webcamArea = document.getElementById("webcamArea");
        const webcamVideo = document.getElementById("webcamVideo");
        const captureBtn = document.getElementById("captureBtn");
        const closeWebcamBtn = document.getElementById("closeWebcamBtn");
        const webcamSelect = document.getElementById("webcamSelect");
        let stream = null;

        if (!navigator.mediaDevices || !navigator.mediaDevices.getUserMedia) {
            console.warn("La webcam non è supportata dal browser.");
            if (openWebcamBtn) openWebcamBtn.style.display = "none";
            return;
        }

        if (
            !openWebcamBtn ||
            !webcamArea ||
            !webcamVideo ||
            !captureBtn ||
            !closeWebcamBtn ||
            !webcamSelect
        ) {
            console.error("Elementi webcam mancanti", {
                openWebcamBtn,
                webcamArea,
                webcamVideo,
                captureBtn,
                closeWebcamBtn,
                webcamSelect,
            });
            return;
        }

        async function startWebcam(deviceId = null) {
            try {
                if (stream) {
                    stream.getTracks().forEach((track) => track.stop());
                    stream = null;
                    webcamVideo.srcObject = null;
                }

                const constraints = {
                    video: deviceId ? { deviceId: { exact: deviceId } } : true,
                };

                stream = await navigator.mediaDevices.getUserMedia(constraints);
                webcamVideo.srcObject = stream;
                webcamArea.style.display = "block";
                openWebcamBtn.style.display = "none";
                dropArea.style.display = "none";
            } catch (error) {
                console.error("Errore nell'accesso alla webcam:", error);
                alert("Errore nell'accesso alla webcam: " + error.message);
                webcamArea.style.display = "none";
                openWebcamBtn.style.display = "block";
                dropArea.style.display = "block";
            }
        }

        async function populateWebcamSelect() {
            try {
                await navigator.mediaDevices.getUserMedia({ video: true });
                const devices = await navigator.mediaDevices.enumerateDevices();
                const videoDevices = devices.filter(
                    (device) => device.kind === "videoinput",
                );

                webcamSelect.innerHTML =
                    '<option value="">Select a webcam</option>';

                videoDevices.forEach((device) => {
                    const option = document.createElement("option");
                    option.value = device.deviceId;
                    option.text =
                        device.label || `Webcam ${webcamSelect.options.length}`;
                    webcamSelect.appendChild(option);
                });

                webcamSelect.style.display =
                    videoDevices.length > 1 ? "block" : "none";

                if (videoDevices.length > 0) {
                    await startWebcam(videoDevices[0].deviceId);
                } else {
                    alert("Nessuna webcam rilevata.");
                    webcamArea.style.display = "none";
                    openWebcamBtn.style.display = "block";
                    dropArea.style.display = "block";
                }
            } catch (error) {
                console.error("Errore nel recupero dei dispositivi:", error);
                alert("Errore nel recupero dei dispositivi: " + error.message);
                webcamSelect.style.display = "none";
            }
        }

        openWebcamBtn.addEventListener("click", async () => {
            await populateWebcamSelect();
        });

        webcamSelect.addEventListener("change", async (e) => {
            const deviceId = e.target.value;
            if (deviceId) {
                await startWebcam(deviceId);
            }
        });

        closeWebcamBtn.addEventListener("click", () => {
            if (stream) {
                stream.getTracks().forEach((track) => track.stop());
                stream = null;
                webcamVideo.srcObject = null;
            }
            webcamArea.style.display = "none";
            openWebcamBtn.style.display = "block";
            dropArea.style.display = "block";
        });

        captureBtn.addEventListener("click", () => {
            const canvas = document.createElement("canvas");
            canvas.width = webcamVideo.videoWidth;
            canvas.height = webcamVideo.videoHeight;
            canvas
                .getContext("2d")
                .drawImage(webcamVideo, 0, 0, canvas.width, canvas.height);

            canvas.toBlob(async (blob) => {
                const file = new File(
                    [blob],
                    `webcam_photo_${Date.now()}.jpg`,
                    { type: "image/jpeg" },
                );
                const loader = document.getElementById("loader");
                if (loader) {
                    loader.style.display = "flex";
                }
                await handleFiles([file], iddatadb);
                if (stream) {
                    stream.getTracks().forEach((track) => track.stop());
                    stream = null;
                    webcamVideo.srcObject = null;
                }
                webcamArea.style.display = "none";
                openWebcamBtn.style.display = "block";
                dropArea.style.display = "block";
            }, "image/jpeg");
        });
    }

    async function handleFiles(files, iddatadb) {
        const loader = document.getElementById("loader");
        if (!loader) {
            console.error("Elemento loader non trovato");
            return;
        }

        if (!files || files.length === 0) {
            console.warn("Nessun file da caricare");
            return;
        }

        for (const file of files) {
            if (!file.type.startsWith("image/")) {
                alert("Per favore, carica solo immagini!");
                continue;
            }

            loader.style.display = "flex";

            const formData = new FormData();
            formData.append("photo", file);
            formData.append("iddatadb", iddatadb);
            try {
                const response = await fetch("upload_photo.php", {
                    method: "POST",
                    body: formData,
                });
                const result = await response.json();
                if (result.success) {
                    loadPopupContent(iddatadb);
                } else {
                    alert("Errore durante il caricamento: " + result.message);
                }
            } catch (error) {
                alert("Errore durante il caricamento: " + error.message);
            } finally {
                loader.style.display = "none";
            }
        }
    }

    function attachPhotoEventListeners(iddatadb) {
        const dropArea = document.getElementById("dropArea");
        const photoInput = document.getElementById("photoInput");
        const photosModal = document.getElementById("photosModal");

        if (!dropArea || !photoInput || !photosModal) {
            console.error("Elementi mancanti:", {
                dropArea,
                photoInput,
                photosModal,
            });
            return;
        }

        const preventDefaults = (e) => {
            e.preventDefault();
            e.stopPropagation();
        };

        ["dragenter", "dragover", "dragleave", "drop"].forEach((eventName) => {
            dropArea.addEventListener(eventName, preventDefaults, false);
        });

        ["dragenter", "dragover"].forEach((eventName) => {
            dropArea.addEventListener(
                eventName,
                () => dropArea.classList.add("highlight"),
                false,
            );
        });

        ["dragleave", "drop"].forEach((eventName) => {
            dropArea.addEventListener(
                eventName,
                () => dropArea.classList.remove("highlight"),
                false,
            );
        });

        dropArea.addEventListener(
            "drop",
            (e) => {
                const files = e.dataTransfer.files;
                if (files.length > 0) {
                    handleFiles(files, iddatadb);
                }
            },
            false,
        );

        dropArea.addEventListener(
            "click",
            () => {
                photoInput.click();
            },
            false,
        );

        photoInput.addEventListener(
            "change",
            (e) => {
                const files = e.target.files;
                if (files.length > 0) {
                    handleFiles(files, iddatadb);
                }
                e.target.value = "";
            },
            false,
        );

        document.querySelectorAll(".delete-photo-btn").forEach((button) => {
            button.addEventListener("click", async function () {
                const photoId = this.getAttribute("data-photo-id");
                if (confirm("Sei sicuro di voler eliminare questa foto?")) {
                    try {
                        const response = await fetch("delete_photo.php", {
                            method: "POST",
                            headers: {
                                "Content-Type":
                                    "application/x-www-form-urlencoded",
                            },
                            body: `photo_id=${photoId}`,
                        });
                        const result = await response.json();
                        if (result.success) {
                            loadPopupContent(iddatadb);
                        } else {
                            alert(
                                "Errore durante l'eliminazione: " +
                                    result.message,
                            );
                        }
                    } catch (error) {
                        alert(
                            "Errore durante l'eliminazione: " + error.message,
                        );
                    }
                }
            });
        });

        document.querySelectorAll(".thumbnail").forEach((img) => {
            img.addEventListener("click", function () {
                const enlargedImage = document.getElementById("enlargedImage");
                enlargedImage.src = this.src;
                document.getElementById("imageModal").style.display = "block";
            });
        });

        const imageCloseBtn = document.querySelector(".image-modal-close");
        if (imageCloseBtn) {
            imageCloseBtn.addEventListener("click", () => {
                document.getElementById("imageModal").style.display = "none";
            });
        }
        document
            .getElementById("imageModal")
            .addEventListener("click", function (event) {
                if (event.target === this) {
                    this.style.display = "none";
                }
            });

        setupWebcam(iddatadb);

        const createCollageBtn = document.getElementById("createCollageBtn");
        if (createCollageBtn) {
            createCollageBtn.addEventListener("click", () => {
                document.getElementById("collageModal").style.display = "block";
                initCollageCanvas();
            });
        }

        const closeCollageBtn = document.querySelector(".close-collage");
        if (closeCollageBtn) {
            closeCollageBtn.addEventListener("click", () => {
                document.getElementById("collageModal").style.display = "none";
                if (isCropping) {
                    exitCropMode();
                }
                if (isRemovingBackground) {
                    exitBackgroundRemovalMode();
                }
            });
        }

        let canvas;
        let cropRect = null;
        let isCropping = false;
        let croppedImage = null;
        let isApplyingCrop = false;
        let isRemovingBackground = false;
        let backgroundRemovalImage = null;
        let history = [];
        const maxHistory = 20;

        function initCollageCanvas() {
            if (typeof fabric === "undefined") {
                console.error("Fabric.js non è caricato!");
                alert(
                    "Errore: Fabric.js non è disponibile. Controlla la connessione al CDN.",
                );
                return;
            }
            canvas = new fabric.Canvas("collageCanvas", {
                backgroundColor: "#fff",
                selection: true,
            });
            fabric.Object.prototype.set({
                cornerColor: "black",
                cornerStrokeColor: "black",
                cornerSize: 12,
                borderColor: "black",
                transparentCorners: false,
            });
            canvas.on("object:modified", () => {
                saveCanvasState();
                updateLayersPanel();
                canvas.renderAll();
            });
            canvas.on("object:added", () => {
                updateLayersPanel();
            });
            canvas.on("object:removed", () => {
                updateLayersPanel();
            });
            canvas.on("selection:created", () => {
                updateButtons();
            });
            canvas.on("selection:updated", () => {
                updateButtons();
            });
            canvas.on("selection:cleared", () => {
                if (!isCropping && !isRemovingBackground) {
                    updateButtons();
                } else if (isCropping && cropRect) {
                    canvas.setActiveObject(cropRect);
                    canvas.renderAll();
                } else if (isRemovingBackground) {
                    canvas.setActiveObject(backgroundRemovalImage);
                    canvas.renderAll();
                }
            });
            canvas.on("mouse:down", (event) => {
                if (isRemovingBackground && backgroundRemovalImage) {
                    handleBackgroundColorSelection(event);
                }
            });
            saveCanvasState();
            updateLayersPanel();
            updateButtons();
        }

        function updateLayersPanel() {
            const layersList = document.getElementById("layersList");
            if (!layersList) {
                console.error("Elemento layersList non trovato");
                return;
            }
            layersList.innerHTML = "";

            const images = canvas.getObjects("image");
            images.forEach((img, index) => {
                let thumbSrc;
                try {
                    const thumbCanvas = document.createElement("canvas");
                    thumbCanvas.width = 50;
                    thumbCanvas.height = 50;
                    const thumbFabric = new fabric.Canvas(thumbCanvas);

                    const clonedImg = fabric.util.object.clone(img);
                    const scaleFactor = Math.min(
                        50 / img.width,
                        50 / img.height,
                    );
                    clonedImg.scaleX = scaleFactor;
                    clonedImg.scaleY = scaleFactor;
                    clonedImg.left = (50 - img.width * scaleFactor) / 2;
                    clonedImg.top = (50 - img.height * scaleFactor) / 2;
                    clonedImg.setCoords();
                    thumbFabric.add(clonedImg);
                    thumbFabric.renderAll();

                    thumbSrc = thumbCanvas.toDataURL("image/png");
                    thumbFabric.dispose();
                } catch (error) {
                    console.warn(
                        "Errore nella generazione della thumbnail per immagine",
                        index + 1,
                        error,
                    );
                    thumbSrc = img.getSrc(); // Fallback all'URL originale
                }

                const layerItem = document.createElement("li");
                const thumbImg = document.createElement("img");
                thumbImg.src = thumbSrc;
                thumbImg.title = `Layer ${index + 1}`;
                thumbImg.addEventListener("click", () => {
                    canvas.setActiveObject(img);
                    canvas.renderAll();
                });

                layerItem.appendChild(thumbImg);
                layersList.appendChild(layerItem);
            });
        }

        function saveCanvasState() {
            if (isCropping || isRemovingBackground) {
                return;
            }
            const state = JSON.stringify(
                canvas.toJSON([
                    "cornerColor",
                    "cornerStrokeColor",
                    "cornerSize",
                    "borderColor",
                    "transparentCorners",
                ]),
            );
            history.push(state);
            if (history.length > maxHistory) {
                history.shift();
            }
            updateButtons();
        }

        function undo() {
            if (history.length <= 1) {
                return;
            }
            history.pop();
            const previousState = history[history.length - 1];
            if (previousState) {
                canvas.clear();
                canvas.loadFromJSON(previousState, () => {
                    canvas.renderAll();
                    updateLayersPanel();
                    updateButtons();
                });
            } else {
                console.warn("Nessuno stato precedente disponibile");
                canvas.clear();
                canvas.setBackgroundColor("#fff");
                canvas.renderAll();
                updateLayersPanel();
                updateButtons();
            }
        }

        function updateButtons() {
            const cropBtn = document.getElementById("cropImageBtn");
            const applyCropBtn = document.getElementById("applyCropBtn");
            const cancelCropBtn = document.getElementById("cancelCropBtn");
            const removeBackgroundBtn = document.getElementById(
                "removeBackgroundBtn",
            );
            const removeImageBtn = document.getElementById("removeImageBtn");
            const undoBtn = document.getElementById("undoBtn");
            const instruction = document.getElementById(
                "backgroundRemovalInstruction",
            );
            const activeObject = canvas.getActiveObject();
            if (isCropping && cropRect) {
                cropBtn.disabled = true;
                applyCropBtn.disabled = false;
                cancelCropBtn.disabled = false;
                removeBackgroundBtn.disabled = true;
                removeImageBtn.disabled = true;
                undoBtn.disabled = true;
                instruction.style.display = "none";
            } else if (isRemovingBackground && backgroundRemovalImage) {
                cropBtn.disabled = true;
                applyCropBtn.disabled = true;
                cancelCropBtn.disabled = true;
                removeBackgroundBtn.disabled = true;
                removeImageBtn.disabled = true;
                undoBtn.disabled = true;
                instruction.style.display = "block";
            } else if (
                activeObject &&
                activeObject.type === "image" &&
                !isCropping &&
                !isRemovingBackground
            ) {
                cropBtn.disabled = false;
                applyCropBtn.disabled = true;
                cancelCropBtn.disabled = true;
                removeBackgroundBtn.disabled = false;
                removeImageBtn.disabled = false;
                undoBtn.disabled = history.length <= 1;
                instruction.style.display = "none";
            } else {
                cropBtn.disabled = true;
                applyCropBtn.disabled = true;
                cancelCropBtn.disabled = true;
                removeBackgroundBtn.disabled = true;
                removeImageBtn.disabled = true;
                undoBtn.disabled = history.length <= 1;
                instruction.style.display = "none";
            }
        }

        function enterCropMode() {
            const activeObject = canvas.getActiveObject();
            if (!activeObject || activeObject.type !== "image") {
                console.warn("Nessuna immagine selezionata per il ritaglio");
                alert("Seleziona un'immagine prima di attivare il ritaglio!");
                return;
            }
            isCropping = true;
            croppedImage = activeObject;
            canvas.discardActiveObject();
            cropRect = new fabric.Rect({
                left: activeObject.left,
                top: activeObject.top,
                width: activeObject.width * activeObject.scaleX * 0.5,
                height: activeObject.height * activeObject.scaleY * 0.5,
                fill: "rgba(0, 0, 0, 0.3)",
                stroke: "red",
                strokeWidth: 2,
                hasBorders: true,
                hasControls: true,
                lockRotation: true,
                selectable: true,
                cornerColor: "black",
                cornerStrokeColor: "black",
                cornerSize: 12,
                borderColor: "black",
                transparentCorners: false,
            });
            canvas.add(cropRect);
            canvas.setActiveObject(cropRect);
            canvas.renderAll();
            updateButtons();
        }

        function exitCropMode() {
            if (cropRect) {
                canvas.remove(cropRect);
                cropRect = null;
            }
            isCropping = false;
            croppedImage = null;
            isApplyingCrop = false;
            canvas.discardActiveObject();
            canvas.renderAll();
            updateButtons();
        }

        function applyCrop() {
            if (isApplyingCrop) {
                return;
            }
            if (!isCropping || !cropRect || !croppedImage) {
                console.warn("Condizioni per il ritaglio non soddisfatte", {
                    isCropping,
                    cropRect: !!cropRect,
                    croppedImage: !!croppedImage,
                });
                alert(
                    "Nessun rettangolo di ritaglio attivo o immagine selezionata!",
                );
                exitCropMode();
                return;
            }
            isApplyingCrop = true;
            const img = croppedImage;
            const cropX = (cropRect.left - img.left) / img.scaleX;
            const cropY = (cropRect.top - img.top) / img.scaleY;
            const cropWidth = (cropRect.width * cropRect.scaleX) / img.scaleX;
            const cropHeight = (cropRect.height * cropRect.scaleY) / img.scaleY;

            fabric.Image.fromURL(
                img.getSrc(),
                (newImg) => {
                    newImg.set({
                        left: cropRect.left,
                        top: cropRect.top,
                        scaleX: img.scaleX,
                        scaleY: img.scaleY,
                        cropX: cropX,
                        cropY: cropY,
                        width: cropWidth,
                        height: cropHeight,
                        hasControls: true,
                        hasBorders: true,
                        cornerColor: "black",
                        cornerStrokeColor: "black",
                        cornerSize: 12,
                        borderColor: "black",
                        transparentCorners: false,
                    });
                    canvas.remove(img);
                    canvas.remove(cropRect);
                    canvas.add(newImg);
                    canvas.setActiveObject(newImg);
                    exitCropMode();
                    saveCanvasState();
                    updateLayersPanel();
                    canvas.renderAll();
                },
                { crossOrigin: "anonymous" },
            );
        }

        function enterBackgroundRemovalMode() {
            const activeObject = canvas.getActiveObject();
            if (!activeObject || activeObject.type !== "image") {
                console.warn(
                    "Nessuna immagine selezionata per la rimozione dello sfondo",
                );
                alert(
                    "Seleziona un'immagine prima di attivare la rimozione dello sfondo!",
                );
                return;
            }
            isRemovingBackground = true;
            backgroundRemovalImage = activeObject;
            updateButtons();
        }

        function exitBackgroundRemovalMode() {
            isRemovingBackground = false;
            backgroundRemovalImage = null;
            canvas.discardActiveObject();
            canvas.renderAll();
            updateButtons();
        }

        function handleBackgroundColorSelection(event) {
            if (!isRemovingBackground || !backgroundRemovalImage) {
                console.warn(
                    "Condizioni per la rimozione dello sfondo non soddisfatte",
                );
                return;
            }
            const pointer = canvas.getPointer(event.e);
            const img = backgroundRemovalImage;

            const tempCanvas = document.createElement("canvas");
            tempCanvas.width = img.width;
            tempCanvas.height = img.height;
            const ctx = tempCanvas.getContext("2d");
            ctx.drawImage(img.getElement(), 0, 0, img.width, img.height);

            const imgLeft = img.left;
            const imgTop = img.top;
            const scaleX = img.scaleX;
            const scaleY = img.scaleY;
            const x = (pointer.x - imgLeft) / scaleX;
            const y = (pointer.y - imgTop) / scaleY;

            const pixelData = ctx.getImageData(x, y, 1, 1).data;
            const targetColor = {
                r: pixelData[0],
                g: pixelData[1],
                b: pixelData[2],
            };

            removeBackground(img, targetColor);
        }

        function removeBackground(img, targetColor) {
            const tempCanvas = document.createElement("canvas");
            tempCanvas.width = img.width;
            tempCanvas.height = img.height;
            const ctx = tempCanvas.getContext("2d");
            ctx.drawImage(img.getElement(), 0, 0, img.width, img.height);

            const imageData = ctx.getImageData(
                0,
                0,
                tempCanvas.width,
                tempCanvas.height,
            );
            const data = imageData.data;
            const tolerance = 50;

            for (let i = 0; i < data.length; i += 4) {
                const r = data[i];
                const g = data[i + 1];
                const b = data[i + 2];
                if (
                    Math.abs(r - targetColor.r) <= tolerance &&
                    Math.abs(g - targetColor.g) <= tolerance &&
                    Math.abs(b - targetColor.b) <= tolerance
                ) {
                    data[i + 3] = 0;
                }
            }

            ctx.putImageData(imageData, 0, 0);
            const newImageUrl = tempCanvas.toDataURL("image/png");

            fabric.Image.fromURL(
                newImageUrl,
                (newImg) => {
                    newImg.set({
                        left: img.left,
                        top: img.top,
                        scaleX: img.scaleX,
                        scaleY: img.scaleY,
                        hasControls: true,
                        hasBorders: true,
                        cornerColor: "black",
                        cornerStrokeColor: "black",
                        cornerSize: 12,
                        borderColor: "black",
                        transparentCorners: false,
                    });
                    canvas.remove(img);
                    canvas.add(newImg);
                    canvas.setActiveObject(newImg);
                    exitBackgroundRemovalMode();
                    saveCanvasState();
                    updateLayersPanel();
                    canvas.renderAll();
                },
                { crossOrigin: "anonymous" },
            );
        }

        function removeImage() {
            const activeObject = canvas.getActiveObject();
            if (!activeObject || activeObject.type !== "image") {
                console.warn("Nessuna immagine selezionata per la rimozione");
                alert("Seleziona un'immagine da rimuovere!");
                return;
            }
            canvas.remove(activeObject);
            canvas.discardActiveObject();
            saveCanvasState();
            updateLayersPanel();
            canvas.renderAll();
        }

        const addToCanvasBtn = document.getElementById("addToCanvasBtn");
        if (addToCanvasBtn) {
            addToCanvasBtn.addEventListener("click", () => {
                const checkboxes = document.querySelectorAll(
                    ".photo-checkbox:checked",
                );
                if (checkboxes.length === 0) {
                    alert("Seleziona almeno una foto!");
                    return;
                }
                checkboxes.forEach((cb) => {
                    const imgPath = cb.getAttribute("data-path");
                    fabric.Image.fromURL(
                        imgPath,
                        (img) => {
                            img.set({
                                left: Math.random() * 600,
                                top: Math.random() * 400,
                                scaleX: 0.5,
                                scaleY: 0.5,
                                hasControls: true,
                                hasBorders: true,
                                cornerColor: "black",
                                cornerStrokeColor: "black",
                                cornerSize: 12,
                                borderColor: "black",
                                transparentCorners: false,
                            });
                            canvas.add(img);
                            canvas.renderAll();
                        },
                        { crossOrigin: "anonymous" },
                    );
                });
                checkboxes.forEach((cb) => (cb.checked = false));
                saveCanvasState();
            });
        }

        const saveCollageBtn = document.getElementById("saveCollageBtn");
        if (saveCollageBtn) {
            saveCollageBtn.addEventListener("click", async () => {
                if (
                    canvas.getObjects().length === 0 &&
                    !canvas.backgroundImage
                ) {
                    alert("Il canvas è vuoto! Aggiungi almeno una foto.");
                    return;
                }
                const dataURL = canvas.toDataURL({
                    format: "jpeg",
                    quality: 0.8,
                });
                const blob = await (await fetch(dataURL)).blob();
                const file = new File([blob], `collage_${Date.now()}.jpg`, {
                    type: "image/jpeg",
                });

                await handleFiles([file], iddatadb);
                document.getElementById("collageModal").style.display = "none";
                loadPopupContent(iddatadb);
            });
        }

        const bringToFrontBtn = document.getElementById("bringToFrontBtn");
        if (bringToFrontBtn) {
            bringToFrontBtn.addEventListener("click", () => {
                const activeObject = canvas.getActiveObject();
                if (activeObject) {
                    canvas.bringToFront(activeObject);
                    canvas.renderAll();
                    saveCanvasState();
                    updateLayersPanel();
                } else {
                    alert("Seleziona un'immagine sul canvas!");
                }
            });
        }

        const sendToBackBtn = document.getElementById("sendToBackBtn");
        if (sendToBackBtn) {
            sendToBackBtn.addEventListener("click", () => {
                const activeObject = canvas.getActiveObject();
                if (activeObject) {
                    canvas.sendToBack(activeObject);
                    canvas.renderAll();
                    saveCanvasState();
                    updateLayersPanel();
                } else {
                    alert("Seleziona un'immagine sul canvas!");
                }
            });
        }

        const bringForwardBtn = document.getElementById("bringForwardBtn");
        if (bringForwardBtn) {
            bringForwardBtn.addEventListener("click", () => {
                const activeObject = canvas.getActiveObject();
                if (activeObject) {
                    canvas.bringForward(activeObject);
                    canvas.renderAll();
                    saveCanvasState();
                    updateLayersPanel();
                } else {
                    alert("Seleziona un'immagine sul canvas!");
                }
            });
        }

        const sendBackwardBtn = document.getElementById("sendBackwardBtn");
        if (sendBackwardBtn) {
            sendBackwardBtn.addEventListener("click", () => {
                const activeObject = canvas.getActiveObject();
                if (activeObject) {
                    canvas.sendBackwards(activeObject);
                    canvas.renderAll();
                    saveCanvasState();
                    updateLayersPanel();
                } else {
                    alert("Seleziona un'immagine sul canvas!");
                }
            });
        }

        const cropImageBtn = document.getElementById("cropImageBtn");
        if (cropImageBtn) {
            cropImageBtn.addEventListener("click", () => {
                enterCropMode();
            });
        }

        const applyCropBtn = document.getElementById("applyCropBtn");
        if (applyCropBtn) {
            applyCropBtn.addEventListener("click", () => {
                applyCrop();
            });
        }

        const cancelCropBtn = document.getElementById("cancelCropBtn");
        if (cancelCropBtn) {
            cancelCropBtn.addEventListener("click", () => {
                exitCropMode();
            });
        }

        const removeBackgroundBtn = document.getElementById(
            "removeBackgroundBtn",
        );
        if (removeBackgroundBtn) {
            removeBackgroundBtn.addEventListener("click", () => {
                enterBackgroundRemovalMode();
            });
        }

        const removeImageBtn = document.getElementById("removeImageBtn");
        if (removeImageBtn) {
            removeImageBtn.addEventListener("click", () => {
                removeImage();
            });
        }

        const undoBtn = document.getElementById("undoBtn");
        if (undoBtn) {
            undoBtn.addEventListener("click", () => {
                undo();
            });
        }

        const loader = document.getElementById("loader");
        if (loader) {
            loader.style.display = "none";
        }
    }

    const photosButtons = document.querySelectorAll(".photos-btn");
    const photosModal = document.getElementById("photosModal");
    const closeBtn = document.querySelector(".close-btn");

    if (photosButtons.length && photosModal && closeBtn) {
        photosButtons.forEach((button) => {
            button.addEventListener("click", function () {
                const iddatadb = this.getAttribute("data-iddatadb");
                loadPopupContent(iddatadb);
                photosModal.style.display = "block";
                document.querySelector(".overlay").style.display = "none";
            });
        });

        closeBtn.addEventListener("click", function () {
            photosModal.style.display = "none";
            document.querySelector(".overlay").style.display = "none";
            document.body.style.pointerEvents = "auto";
        });

        window.addEventListener("click", function (event) {
            if (event.target === photosModal) {
                photosModal.style.display = "none";
                document.querySelector(".overlay").style.display = "none";
                document.body.style.pointerEvents = "auto";
            }
        });
    } else {
        console.error("Elementi mancanti:", {
            photosButtons,
            photosModal,
            closeBtn,
        });
    }
});