// Dashcam page: scan for a USB dashcam, then trigger importing its videos.
// Uses plain fetch() (not socket.io / yaris.js) since this is a one-shot
// request/response flow, not a live data stream, and yaris.js assumes DOM
// elements (#map, #speedGraph) that don't exist on this page.

const deviceStatus = document.getElementById('dash-device-status');
const importStatus = document.getElementById('dash-import-status');
const scanBtn = document.getElementById('dash-scan-btn');
const importBtn = document.getElementById('dash-import-btn');

function describeDevice(device) {
    const label = device.label ? ` "${device.label}"` : '';
    return `${device.path}${label} (${device.size}, ${device.fstype || 'unknown fs'})`;
}

function scanForDashcam() {
    deviceStatus.textContent = 'Scanning...';
    importBtn.disabled = true;

    fetch('/api/dash/devices')
        .then(response => response.json())
        .then(data => {
            const devices = data.devices || [];
            if (devices.length === 0) {
                deviceStatus.textContent = 'No USB dashcam/storage device detected. Plug it in and scan again.';
                return;
            }
            deviceStatus.textContent = 'Detected: ' + devices.map(describeDevice).join(', ');
            importBtn.disabled = false;
        })
        .catch(err => {
            deviceStatus.textContent = 'Error while scanning: ' + err;
        });
}

function importDashcam() {
    importStatus.textContent = 'Importing... this can take a while for large videos.';
    importBtn.disabled = true;

    fetch('/api/dash/import', { method: 'POST' })
        .then(response => response.json())
        .then(summary => {
            if (summary.status !== 'ok') {
                importStatus.textContent = summary.message || ('Import failed: ' + summary.status);
                return;
            }
            let text = `Found ${summary.found} video(s), copied ${summary.copied}, skipped ${summary.skipped} (already imported).`;
            if (summary.errors && summary.errors.length > 0) {
                text += ` Errors: ${summary.errors.join('; ')}`;
            }
            importStatus.textContent = text;
        })
        .catch(err => {
            importStatus.textContent = 'Error while importing: ' + err;
        })
        .finally(() => {
            importBtn.disabled = false;
        });
}

scanBtn.addEventListener('click', scanForDashcam);
importBtn.addEventListener('click', importDashcam);

// Auto-scan once when the page loads.
scanForDashcam();

// --- Remote server upload status/toggle ---

const uploadStatusEl = document.getElementById('upload-status');
const dashcamToggle = document.getElementById('dashcam-upload-toggle');

function describeUploadStatus(status) {
    if (!status.configured) {
        return 'Remote server not configured on this device (see db/upload_creds.env).';
    }
    let text = `Pending trip-log rows to upload: ${status.pending_tracking_rows}.`;
    if (status.last_success_at) {
        text += ` Last successful upload: ${status.last_success_at}.`;
    }
    if (status.last_error) {
        text += ` Last error: ${status.last_error}.`;
    }
    return text;
}

function refreshUploadStatus() {
    fetch('/api/upload/status')
        .then(response => response.json())
        .then(status => {
            uploadStatusEl.textContent = describeUploadStatus(status);
            dashcamToggle.checked = status.dashcam_upload_enabled;
            dashcamToggle.disabled = !status.configured;
        })
        .catch(err => {
            uploadStatusEl.textContent = 'Error while checking upload status: ' + err;
        });
}

dashcamToggle.addEventListener('change', () => {
    fetch('/api/upload/dashcam_toggle', {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({ enabled: dashcamToggle.checked }),
    })
        .then(response => response.json())
        .then(status => {
            uploadStatusEl.textContent = describeUploadStatus(status);
            dashcamToggle.checked = status.dashcam_upload_enabled;
        })
        .catch(err => {
            uploadStatusEl.textContent = 'Error while updating toggle: ' + err;
        });
});

refreshUploadStatus();
setInterval(refreshUploadStatus, 15000);