function updateStatus(id, status) {
    if (!confirm(`Are you sure you want to change the status to "${status}"?`)) {
        return;
    }

    fetch('api/update-status.php', {
        method: 'POST',
        headers: {
            'Content-Type': 'application/json',
        },
        body: JSON.stringify({ id: id, status: status }),
    })
    .then(response => response.json())
    .then(data => {
        if (data.success) {
            window.location.reload();
        } else {
            alert('Error updating status: ' + data.message);
        }
    })
    .catch(error => {
        console.error('Error:', error);
        alert('An unexpected error occurred.');
    });
}

document.addEventListener('DOMContentLoaded', function() {
    const chartCanvas = document.getElementById('applicationsChart');
    if (chartCanvas) {
        fetch('/api/chart-data.php')
            .then(response => response.json())
            .then(data => {
                if (data.success) {
                    const ctx = chartCanvas.getContext('2d');
                    new Chart(ctx, {
                        type: 'line',
                        data: {
                            labels: data.labels,
                            datasets: [{
                                label: 'New Applications',
                                data: data.data,
                                fill: false,
                                borderColor: '#0052CC',
                                tension: 0.1
                            }]
                        },
                        options: {
                            scales: {
                                y: {
                                    beginAtZero: true,
                                    ticks: {
                                        stepSize: 1
                                    }
                                }
                            },
                            responsive: true,
                            maintainAspectRatio: false
                        }
                    });
                } else {
                    console.error('Failed to load chart data:', data.message);
                }
            })
            .catch(error => console.error('Error fetching chart data:', error));
    }
});