<?php
/**
 * Farmer — Sound-Effekt-Generator via ElevenLabs Sound Generation API.
 *
 * Liest Sound-Liste, ruft API für jeden Sound auf, speichert MP3 unter
 * App/sims/farmer/assets/sounds/sfx/<name>.mp3. Idempotent — überspringt
 * existierende Dateien.
 *
 * Aufruf: php scripts/generate-sounds.php [--force] [--only=name1,name2]
 */

$ENV_FILE = __DIR__ . '/../../../.env.local';
if (!file_exists($ENV_FILE)) { fwrite(STDERR, "Missing $ENV_FILE\n"); exit(1); }
// Manuelles Parsen — parse_ini_file scheitert an dt. Sonderzeichen in Kommentaren.
$KEY = null;
foreach (file($ENV_FILE, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES) as $line) {
    $line = trim($line);
    if ($line === '' || $line[0] === '#') continue;
    if (strpos($line, '=') === false) continue;
    [$k, $v] = explode('=', $line, 2);
    if (trim($k) === 'ELEVENLABS_API_KEY') { $KEY = trim($v, " \"'"); break; }
}
if (!$KEY) { fwrite(STDERR, "ELEVENLABS_API_KEY nicht in .env.local\n"); exit(1); }

$OUT_DIR = __DIR__ . '/../assets/sounds/sfx';
if (!is_dir($OUT_DIR)) mkdir($OUT_DIR, 0755, true);

$args = array_slice($argv, 1);
$force = in_array('--force', $args);
$only = null;
foreach ($args as $a) {
    if (strpos($a, '--only=') === 0) {
        $only = explode(',', substr($a, 7));
    }
}

$SOUNDS = [
    // Aktions-Sounds (15)
    'harvest_start'    => ['Distant farm bell ringing twice, calling workers to harvest, warm ambient countryside', 1.2],
    'report_open'      => ['Soft paper page turning, gentle crisp sound', 0.5],
    'report_next'      => ['Soft single tap on wooden table, very brief', 0.5],
    'vehicle_truck'    => ['Heavy diesel truck engine starting and driving away, departing motor', 1.5],
    'vehicle_ship'     => ['Cargo ship horn, deep low blast, single foghorn at sea', 2.0],
    'vehicle_plane'    => ['Cargo plane taking off, jet engine spinning up and lifting', 2.0],
    'vehicle_arrive'   => ['Cash register cha-ching sound, coins falling into drawer, brief and bright', 0.8],
    'disease_outbreak' => ['Ominous low drone with subtle crackling and whispering wind, foreboding agricultural disaster', 1.5],
    'monoculture_warn' => ['Subtle dry rustling of leaves, gentle warning tone', 0.8],
    'year_advance'     => ['Soft mechanical calendar page flipping with gentle clock chime', 1.0],
    'unlock_crop'      => ['Bright magical chime, discovery sound, hopeful and brief', 1.0],
    'negative_balance' => ['Sad descending two-note tone, very subtle, regretful', 0.7],
    'end_report_open'  => ['Triumphant ascending chime, festive but warm, harvest celebration', 1.5],
    'reset'            => ['Soft swoosh, gentle reset, brief and clean', 0.5],

    // Per-Crop Sounds (10) — beim Pflanzen abgespielt statt generischem 'plant'
    'crop_wheat'       => ['Soft rustling of wheat stalks in a gentle summer breeze, peaceful golden field', 0.8],
    'crop_banana'      => ['Tropical banana leaves rustling with distant exotic bird calls, jungle ambience', 0.8],
    'crop_reindeer'    => ['A single reindeer grunting softly with light antler clicking, cold arctic air', 0.9],
    'crop_camel'       => ['A single camel bellowing and grunting once, dry desert ambience', 1.0],
    'crop_rice'        => ['Water gently splashing in a flooded rice paddy, peaceful Asian field with crickets', 0.9],
    'crop_coffee'      => ['Soft tropical highland breeze with light leaves rustling and distant insects', 0.8],
    'crop_dates'       => ['Dry palm fronds rustling in a warm desert oasis breeze', 0.8],
    'crop_corn'        => ['Tall corn stalks rustling in a strong summer wind, big open field', 0.8],
    'crop_fish'        => ['Single fish splash, water surface ripple, brief and clean', 0.6],
    'crop_olive'       => ['Mediterranean olive grove with leaves rustling and distant cicadas, warm dry day', 0.9],
];

$generated = 0;
$skipped = 0;
$failed = [];

foreach ($SOUNDS as $name => [$prompt, $duration]) {
    if ($only !== null && !in_array($name, $only)) continue;
    $path = "$OUT_DIR/$name.mp3";
    if (file_exists($path) && !$force) {
        echo "  [skip]    $name.mp3 existiert\n";
        $skipped++;
        continue;
    }

    echo "  [generate] $name.mp3 ($duration s) ... ";
    $ch = curl_init('https://api.elevenlabs.io/v1/sound-generation');
    curl_setopt_array($ch, [
        CURLOPT_RETURNTRANSFER => true,
        CURLOPT_POST           => true,
        CURLOPT_HTTPHEADER     => [
            'xi-api-key: ' . $KEY,
            'Content-Type: application/json',
            'Accept: audio/mpeg',
        ],
        CURLOPT_POSTFIELDS => json_encode([
            'text' => $prompt,
            'duration_seconds' => $duration,
            'prompt_influence' => 0.4,
        ]),
        CURLOPT_TIMEOUT => 60,
    ]);
    $body = curl_exec($ch);
    $status = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    $err = curl_error($ch);
    curl_close($ch);

    if ($status !== 200 || $err) {
        echo "FAIL (HTTP $status: " . substr($body ?: $err, 0, 200) . ")\n";
        $failed[] = $name;
    } else {
        file_put_contents($path, $body);
        $size = round(filesize($path) / 1024, 1);
        echo "OK ({$size} KB)\n";
        $generated++;
    }

    // Rate-Limit-Pause
    usleep(800000);   // 0.8s zwischen Calls
}

echo "\n";
echo "Generiert: $generated · Übersprungen: $skipped · Fehlgeschlagen: " . count($failed) . "\n";
if (!empty($failed)) echo "Failed: " . implode(', ', $failed) . "\n";