<?php

namespace Codedivo\AdminOptimizer\Core;

if ( ! defined( 'ABSPATH' ) ) exit;

use Codedivo\AdminOptimizer\Traits\Singleton;

class SettingsManager {

    use Singleton;

    private $settings_cache = [];
    private $option_prefix = 'cdvao_settings_';

    protected function __construct() {
        // Initialize hooks if needed, e.g. for AJAX saving which we might implement in a unified controller later.
    }

    /**
     * Get a setting value.
     *
     * @param string $module_key
     * @param string $setting_key
     * @param mixed $default
     * @return mixed
     */
    public function get($module_key, $setting_key, $default = '') {
        $module_settings = $this->get_module_settings($module_key);
        return isset($module_settings[$setting_key]) ? $module_settings[$setting_key] : $default;
    }

    /**
     * Set a setting value.
     *
     * @param string $module_key
     * @param string $setting_key
     * @param mixed $value
     * @return bool
     */
    public function set($module_key, $setting_key, $value) {
        $module_settings = $this->get_module_settings($module_key);
        $module_settings[$setting_key] = $value;
        return $this->update_module_settings($module_key, $module_settings);
    }

    /**
     * Get all settings for a module.
     *
     * @param string $module_key
     * @return array
     */
    public function get_module_settings($module_key) {
        if (!isset($this->settings_cache[$module_key])) {
            $this->settings_cache[$module_key] = get_option($this->option_prefix . $module_key, []);
        }
        return $this->settings_cache[$module_key];
    }

    /**
     * Update all settings for a module.
     *
     * @param string $module_key
     * @param array $settings
     * @return bool
     */
    public function update_module_settings($module_key, $settings) {
        $this->settings_cache[$module_key] = $settings;
        return update_option($this->option_prefix . $module_key, $settings);
    }

    /**
     * Delete all settings for a module.
     * 
     * @param string $module_key
     * @return bool
     */
    public function delete_module_settings($module_key) {
        unset($this->settings_cache[$module_key]);
        return delete_option($this->option_prefix . $module_key);
    }
}