/* ---------------------------------------
   11) Helper functions - FIXED WITH if (!function_exists())
--------------------------------------- */
if (!function_exists('movie_href')) {
    function movie_href($movie) {
        // Use the slug directly (it now includes TMDB ID if needed for uniqueness)
        $slug = $movie['slug'] ?? slugify($movie['title'] ?? 'movie');
        
        // If slug doesn't exist, generate it with uniqueness check
        if (empty($slug) || $slug === slugify($movie['title'] ?? 'movie')) {
            global $pdo;
            $baseSlug = slugify($movie['title'] ?? 'movie');
            
            try {
                $stmt = $pdo->prepare("SELECT COUNT(*) FROM movies WHERE title = ? AND tmdb_id != ?");
                $stmt->execute([$movie['title'], $movie['tmdb_id']]);
                $duplicates = $stmt->fetchColumn();
                
                if ($duplicates > 0) {
                    $slug = $baseSlug . '-' . $movie['tmdb_id'];
                } else {
                    $slug = $baseSlug;
                }
            } catch (Throwable $e) {
                $slug = $baseSlug . '-' . $movie['tmdb_id'];
            }
        }
        
        return "/movie/" . $slug . "/";
    }
}

if (!function_exists('category_href')) {
    function category_href($genre) {
        if (function_exists('slugify')) {
            $slug = slugify($genre);
        } else {
            $slug = strtolower(preg_replace('/[^a-z0-9]+/i', '-', $genre));
            $slug = trim($slug, '-');
        }
        return "/category/" . $slug . "/";
    }
}

if (!function_exists('year_href')) {
    function year_href($year) {
        return "/year/" . (int)$year . "/";
    }
}

// CRITICAL FIX: Only declare if not already in helpers.php
if (!function_exists('format_duration')) {
    function format_duration($duration) {
        if (empty($duration) || $duration === 'N/A') return '';
        if (preg_match('/\d+h|\d+m/', $duration)) return $duration;
        
        $minutes = (int)$duration;
        if ($minutes > 0) {
            $hours = floor($minutes / 60);
            $mins = $minutes % 60;
            
            if ($hours > 0 && $mins > 0) return $hours . 'h ' . $mins . 'm';
            elseif ($hours > 0) return $hours . 'h';
            else return $mins . 'm';
        }
        
        return $duration;
    }
}

if (!function_exists('movies_index_href')) {
    function movies_index_href() {
        return '/movies';
    }
}