// 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();