<?php
/**
 * Settings Manager Class - Handles plugin settings
 *
 * @package StudiouWCCustomReports
 */

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

class StudiouWC_Settings_Manager {
    
    private const OPTION_NAME = 'studiou_wc_custom_reports_settings';
    
    public function activate() {
        $default_settings = array(
            'default_interval' => 'last_month',
            'default_property' => 'format', // Set format as default since it exists
            'default_statuses' => array('wc-completed', 'wc-processing', 'wc-on-hold', 'wc-to-print')
        );
        add_option(self::OPTION_NAME, $default_settings);
    }
    
    public function get_settings() {
        $settings = get_option(self::OPTION_NAME, array());
        
        // Ensure we have default values
        $defaults = array(
            'default_interval' => 'last_month',
            'default_property' => 'format',
            'default_statuses' => array('wc-completed', 'wc-processing', 'wc-on-hold', 'wc-to-print')
        );
        
        return array_merge($defaults, $settings);
    }
    
    public function update_settings($settings) {
        return update_option(self::OPTION_NAME, $settings);
    }
    
    public function get_default_date_from() {
        $settings = $this->get_settings();
        $interval = $settings['default_interval'] ?? 'last_month';
        
        switch ($interval) {
            case 'last_day':
                return date('Y-m-d', strtotime('-1 day'));
            case 'last_week':
                return date('Y-m-d', strtotime('-1 week'));
            case 'last_month':
            default:
                return date('Y-m-d', strtotime('-1 month'));
        }
    }
    
    public function save_settings() {
        // Verify nonce for security
        if (!isset($_POST['studiou_settings_nonce']) || !wp_verify_nonce($_POST['studiou_settings_nonce'], 'studiou_save_settings')) {
            wp_send_json_error(__('Security check failed.', StudiouWC_Main::get_text_domain()));
        }
        
        if (!current_user_can('manage_woocommerce')) {
            wp_send_json_error(__('You do not have sufficient permissions.', StudiouWC_Main::get_text_domain()));
        }
        
        $settings = array(
            'default_interval' => isset($_POST['default_interval']) ? sanitize_text_field($_POST['default_interval']) : 'last_month',
            'default_property' => isset($_POST['default_property']) ? sanitize_text_field($_POST['default_property']) : '',
            'default_statuses' => isset($_POST['default_statuses']) ? array_map('sanitize_text_field', $_POST['default_statuses']) : array()
        );
        
        // Validate interval
        $valid_intervals = array('last_day', 'last_week', 'last_month');
        if (!in_array($settings['default_interval'], $valid_intervals)) {
            $settings['default_interval'] = 'last_month';
        }
        
        if ($this->update_settings($settings)) {
            wp_send_json_success(__('Settings saved successfully!', StudiouWC_Main::get_text_domain()));
        } else {
            wp_send_json_error(__('Error saving settings.', StudiouWC_Main::get_text_domain()));
        }
    }
}