function deleteFiles(filePaths) {
    fetch('/delete_files', {
        method: 'POST',
        headers: {
            'Content-Type': 'application/json',
        },
        body: JSON.stringify({
            'file_paths': filePaths
        })
    })
    .then(response => response.json())
    .then(data => {
        if (data.success) {
            alert('Files deleted successfully');
            location.reload();
        } else {
            alert('Error deleting files: ' + JSON.stringify(data.errors));
        }
    });
}

function deleteSelectedFiles() {
    const selectedFiles = Array.from(document.querySelectorAll('input[name="fileCheckbox"]:checked'))
        .map(checkbox => checkbox.value);
    if (selectedFiles.length > 0) {
        deleteFiles(selectedFiles);
    } else {
        alert('No files selected');
    }
}


function downloadSelectedFiles() {
    const selectedFiles = Array.from(document.querySelectorAll('input[name="fileCheckbox"]:checked'))
        .map(checkbox => checkbox.value);
    if (selectedFiles.length > 0) {
        fetch('/download_files', {
            method: 'POST',
            headers: {
                'Content-Type': 'application/json',
            },
            body: JSON.stringify({ 'file_paths': selectedFiles })
        })
        .then(response => {
            if (!response.ok) {
                return response.json().then(err => { throw new Error(err.error); });
            }
            return response.blob();
        })
        .then(blob => {
            if (blob.type !== 'application/zip') {
                throw new Error("Received invalid ZIP file.");
            }
            const url = window.URL.createObjectURL(blob);
            const a = document.createElement('a');
            a.href = url;
            a.download = 'files.zip';
            document.body.appendChild(a);
            a.click();
            a.remove();
        })
        .catch(error => alert('Error: ' + error.message));
    } else {
        alert('No files selected');
    }
}

function sortTable(columnIndex, tableId) {
    const table = document.getElementById(tableId);
    const tbody = table.querySelector('tbody');
    const rows = Array.from(tbody.rows);
    const isAscending = table.getAttribute('data-sort-asc') === 'true';
    
    rows.sort((rowA, rowB) => {
        const cellA = rowA.cells[columnIndex].innerText.toLowerCase();
        const cellB = rowB.cells[columnIndex].innerText.toLowerCase();
        
        if (cellA < cellB) {
            return isAscending ? -1 : 1;
        }
        if (cellA > cellB) {
            return isAscending ? 1 : -1;
        }
        return 0;
    });

    // Toggle the sorting order for the next click
    table.setAttribute('data-sort-asc', !isAscending);

    // Append sorted rows back to the tbody
    rows.forEach(row => tbody.appendChild(row));
}

// Function to check or uncheck all checkboxes in a table by checking or unchecking the "CheckAll" checkbox
function checkAllCheckboxes(tableId, checkAllCheckboxId) {
    const table = document.getElementById(tableId);
    const checkboxes = table.querySelectorAll('input[type="checkbox"][name="fileCheckbox"]');
    const checkAllCheckbox = document.getElementById(checkAllCheckboxId);
    const isChecked = checkAllCheckbox.checked;

    checkboxes.forEach(checkbox => {
        checkbox.checked = isChecked;
    });
}