<?php

declare(strict_types=1);

require_once __DIR__ . '/BaseModel.php';

class Settings extends BaseModel {
    protected string $table = 'settings';

    public function __construct(PDO $pdo) {
        parent::__construct($pdo);
    }

    public function getSettings(): ?array {
        $stmt = $this->pdo->prepare("SELECT * FROM {$this->table} WHERE id = 1");
        $stmt->execute();
        $settings = $stmt->fetch();

        if ($settings) {
            // Decode enabled_categories from JSON
            $settings['enabled_categories'] = $settings['enabled_categories'] ? json_decode($settings['enabled_categories'], true) : [];
            // Convert boolean fields from tinyint to boolean
            $settings['show_adult_content'] = (bool)$settings['show_adult_content'];
            $settings['auto_play_trailers'] = (bool)$settings['auto_play_trailers'];
        }

        return $settings;
    }

    public function updateSettings(array $data): ?array {
        $updateData = [];
        
        if (isset($data['enabled_categories']) && is_array($data['enabled_categories'])) {
            $updateData['enabled_categories'] = json_encode($data['enabled_categories']);
        }
        
        if (isset($data['items_per_page'])) {
            $updateData['items_per_page'] = (int)$data['items_per_page'];
        }
        
        if (isset($data['default_view'])) {
            $updateData['default_view'] = $data['default_view'];
        }
        
        if (isset($data['show_adult_content'])) {
            $updateData['show_adult_content'] = $data['show_adult_content'] ? 1 : 0;
        }
        
        if (isset($data['auto_play_trailers'])) {
            $updateData['auto_play_trailers'] = $data['auto_play_trailers'] ? 1 : 0;
        }
        
        if (isset($data['language'])) {
            $updateData['language'] = $data['language'];
        }

        if (isset($data['theme'])) {
            $updateData['theme'] = $data['theme'];
        }

        if (isset($data['jellyfin_library_mappings'])) {
            $updateData['jellyfin_library_mappings'] = $data['jellyfin_library_mappings'];
        }
        
        // Check if settings row exists
        $existing = $this->findById(1);
        
        if ($existing) {
            $this->update(1, $updateData);
            return $this->getSettings();
        } else {
            // Create default settings if not exists
            $defaultData = [
                'enabled_categories' => json_encode(['Anime', 'Movies', 'TV Series', 'Music', 'Books', 'Consoles', 'Games', 'Adult']),
                'items_per_page' => 20,
                'default_view' => 'grid',
                'show_adult_content' => 0,
                'auto_play_trailers' => 0,
                'language' => 'en',
                'theme' => 'system',
                'jellyfin_library_mappings' => ''
            ];
            $mergedData = array_merge($defaultData, $updateData);
            $this->create($mergedData);
            return $this->getSettings();
        }
    }
}