<?php

$file = $argv[1] ?? '/var/www/cache/guide.json';

if (!file_exists($file)) {
    fwrite(STDERR, "Datei nicht gefunden: {$file}\n");
    exit(1);
}

$data = json_decode(file_get_contents($file), true);

if (!is_array($data)) {
    fwrite(STDERR, "JSON ungültig.\n");
    exit(1);
}

$patterns = [];
$samples = [];

foreach ($data['channels'] ?? [] as $channel) {
    foreach ($channel['programmes'] ?? [] as $programme) {
        $subtitle = trim($programme['subtitle'] ?? '');

        if ($subtitle === '') {
            continue;
        }

        $parts = array_map('trim', explode('║', $subtitle));
        $count = count($parts);

        $key = $count . ' Teile';

        $patterns[$key] = ($patterns[$key] ?? 0) + 1;

        if (!isset($samples[$key])) {
            $samples[$key] = $subtitle;
        }
    }
}

arsort($patterns);

echo "Rytec Subtitle Analyse\n";
echo "======================\n\n";

foreach ($patterns as $pattern => $count) {
    echo str_pad($pattern, 12) . str_pad((string)$count, 8, ' ', STR_PAD_LEFT) . "\n";
    echo "  Beispiel: " . $samples[$pattern] . "\n\n";
}