<?php
declare(strict_types=1);

if (PHP_SAPI !== 'cli') {
    http_response_code(404);
    exit;
}

require_once dirname(__DIR__) . '/NiroTelemetrySnapshot.php';

function check(bool $condition, string $message): void
{
    if (!$condition) {
        fwrite(STDERR, "FAIL: {$message}\n");
        exit(1);
    }
}

$now = time();
$summary = NiroTelemetrySnapshot::summarize([
    'received_at' => $now,
    'availability' => 'online',
    'state' => [
        '_sample_epoch' => $now - 3,
        'meta_system_dumpsys_ok' => 'true',
        'meta_hscan_dumpsys_ok' => 'false',
        'system_root_ign' => 'true',
        'system_root_speed' => '27',
        'system_root_gear' => '5',
        // These persisted/default fields can disagree with the live root values
        // and must never drive the dashboard.
        'system_individualdrivemode_vehicle_speed' => '0',
        'system_individualdrivemode_gear_status' => 'P(0x0)',
        'system_root_mbatterysoc' => '93',
        'hev_micom_hevstatus_mdisplaysoc' => '255',
        'hev_micom_hevstatus_odometer' => '2596537',
        'bcm_micom_bcmstatus_mdrvopenedstate' => '0',
        'datc_micom_datcstatus_mambienttempc' => '25.0',
        'mode_root_current_mode_real' => 'BLUETOOTH STREAMING (0x36)',
    ],
], ['stale_after' => 20]);

check($summary['available'] === true, 'snapshot is available');
check($summary['online'] === true, 'availability topic is respected');
check($summary['stale'] === false, 'fresh sample is not stale');
check($summary['metric_count'] === 13, 'metric count excludes sample epoch');
check($summary['services'] === ['available' => 1, 'total' => 2], 'service health is counted');
check($summary['metrics']['speed']['value'] === '27', 'speed mapping');
check($summary['metrics']['gear']['value'] === '5', 'live root gear mapping');
check($summary['metrics']['outside_temperature']['value'] === '25.0', 'climate mapping');
check($summary['metrics']['driver_door']['supported'] === true, 'zero is supported');
check($summary['metrics']['distance_to_empty']['supported'] === false, 'missing value is unsupported');
check(!array_key_exists('state', $summary), 'raw snapshot is not exposed');

$stale = NiroTelemetrySnapshot::summarize([
    'received_at' => $now - 90,
    'availability' => 'offline',
    'state' => ['_sample_epoch' => $now - 90],
], ['stale_after' => 20]);
check($stale['online'] === false, 'offline state is exposed');
check($stale['stale'] === true, 'old sample is stale');

echo "PASS\n";