{{-- Cropper Manager — gerencia o Cropper.js e o botão Registrar --}}
const destroyCropper = () => {
    if (cropperInstance) {
        cropperInstance.destroy();
        cropperInstance = null;
    }
    $('#gallery-cropper-wrapper-' + pickerId).hide();
    $('#gallery-audio-wrapper-' + pickerId).hide();
    $('#gallery-excel-wrapper-' + pickerId).hide();
    $('#gallery-document-wrapper-' + pickerId).hide();
    $('#upload-fields-container-' + pickerId).show();
    $('#btn-register-upload-' + pickerId).hide();
    $('#upload-media-alt-' + pickerId).val('');
    $('#upload-media-desc-' + pickerId).val('');
};

$('#btn-cropper-rotate-' + pickerId).on('click', function() {
    if (cropperInstance) {
        cropperInstance.rotate(90);
    }
});

$('#btn-register-upload-' + pickerId).on('click', function() {
    if (cropperInstance) {
        /* Com cropper: recorta e faz upload do recorte */
        cropperInstance.getCroppedCanvas().toBlob(function(blob) {
            var croppedFile = new File([blob], fileToUpload.name, {
                type: fileToUpload.type,
                lastModified: Date.now()
            });
            performUpload(croppedFile);
            destroyCropper();
        }, fileToUpload.type);
    } else if (fileToUpload) {
        /* Sem cropper (áudio, PDF, planilha): upload direto */
        performUpload(fileToUpload);
        destroyCropper();
    }
});