<?php
/**
 * 插件安装类
 * 
 * 处理插件激活、停用和数据库表创建
 */

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

/**
 * 插件安装类
 */
class Yoone_Install {
    
    /**
     * 数据库版本
     */
    const DB_VERSION = '1.0.0';
    
    /**
     * 插件激活
     */
    public static function activate() {
        // 检查 WooCommerce 是否激活
        if (!class_exists('WooCommerce')) {
            deactivate_plugins(plugin_basename(YOONE_SUBSCRIPTIONS_PLUGIN_FILE));
            wp_die(__('Yoone Subscriptions 需要 WooCommerce 插件才能正常工作。', 'yoone-subscriptions'));
        }
        
        // 创建数据库表
        self::create_tables();
        
        // 创建默认页面
        self::create_pages();
        
        // 设置默认选项
        self::set_default_options();
        
        // 创建订阅状态
        self::create_subscription_statuses();
        
        // 刷新重写规则
        flush_rewrite_rules();
        
        // 记录激活时间
        update_option('yoone_subscriptions_activated_time', time());
        
        do_action('yoone_subscriptions_activated');
    }
    
    /**
     * 插件停用
     */
    public static function deactivate() {
        // 清理计划任务
        wp_clear_scheduled_hook('yoone_subscriptions_process_renewals');
        wp_clear_scheduled_hook('yoone_subscriptions_cleanup_expired');
        
        // 刷新重写规则
        flush_rewrite_rules();
        
        do_action('yoone_subscriptions_deactivated');
    }
    
    /**
     * 创建数据库表
     */
    private static function create_tables() {
        global $wpdb;
        
        $charset_collate = $wpdb->get_charset_collate();
        
        // 订阅表
        $subscriptions_table = "
            CREATE TABLE {$wpdb->prefix}yoone_subscriptions (
                id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
                customer_id bigint(20) unsigned NOT NULL,
                parent_order_id bigint(20) unsigned DEFAULT NULL,
                status varchar(20) NOT NULL DEFAULT 'pending',
                billing_period varchar(20) NOT NULL DEFAULT 'month',
                billing_interval int(11) NOT NULL DEFAULT 1,
                start_date datetime NOT NULL,
                next_payment_date datetime DEFAULT NULL,
                end_date datetime DEFAULT NULL,
                trial_end_date datetime DEFAULT NULL,
                total decimal(10,2) NOT NULL DEFAULT 0.00,
                currency varchar(3) NOT NULL DEFAULT 'CAD',
                payment_method varchar(50) DEFAULT NULL,
                payment_token varchar(255) DEFAULT NULL,
                created_at datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
                updated_at datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
                PRIMARY KEY (id),
                KEY customer_id (customer_id),
                KEY parent_order_id (parent_order_id),
                KEY status (status),
                KEY next_payment_date (next_payment_date)
            ) $charset_collate;
        ";
        
        // 订阅商品表
        $subscription_items_table = "
            CREATE TABLE {$wpdb->prefix}yoone_subscription_items (
                id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
                subscription_id bigint(20) unsigned NOT NULL,
                product_id bigint(20) unsigned NOT NULL,
                variation_id bigint(20) unsigned DEFAULT NULL,
                quantity int(11) NOT NULL DEFAULT 1,
                line_total decimal(10,2) NOT NULL DEFAULT 0.00,
                line_subtotal decimal(10,2) NOT NULL DEFAULT 0.00,
                created_at datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
                PRIMARY KEY (id),
                KEY subscription_id (subscription_id),
                KEY product_id (product_id)
            ) $charset_collate;
        ";
        
        // 混装组合表
        $bundles_table = "
            CREATE TABLE {$wpdb->prefix}yoone_bundles (
                id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
                name varchar(255) NOT NULL,
                description text,
                status varchar(20) NOT NULL DEFAULT 'active',
                discount_type varchar(20) DEFAULT 'percentage',
                discount_value decimal(10,2) DEFAULT 0.00,
                min_quantity int(11) DEFAULT 1,
                max_quantity int(11) DEFAULT NULL,
                created_at datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
                updated_at datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
                PRIMARY KEY (id),
                KEY status (status)
            ) $charset_collate;
        ";
        
        // 混装商品表
        $bundle_items_table = "
            CREATE TABLE {$wpdb->prefix}yoone_bundle_items (
                id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
                bundle_id bigint(20) unsigned NOT NULL,
                product_id bigint(20) unsigned NOT NULL,
                quantity int(11) NOT NULL DEFAULT 1,
                discount_type varchar(20) DEFAULT 'none',
                discount_value decimal(10,2) DEFAULT 0.00,
                is_required tinyint(1) NOT NULL DEFAULT 0,
                sort_order int(11) DEFAULT 0,
                created_at datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
                PRIMARY KEY (id),
                KEY bundle_id (bundle_id),
                KEY product_id (product_id)
            ) $charset_collate;
        ";
        
        // 支付令牌表
        $payment_tokens_table = "
            CREATE TABLE {$wpdb->prefix}yoone_payment_tokens (
                id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
                customer_id bigint(20) unsigned NOT NULL,
                gateway_id varchar(50) NOT NULL,
                token varchar(255) NOT NULL,
                token_type varchar(20) NOT NULL DEFAULT 'credit_card',
                card_type varchar(20) DEFAULT NULL,
                last_four varchar(4) DEFAULT NULL,
                expiry_month varchar(2) DEFAULT NULL,
                expiry_year varchar(4) DEFAULT NULL,
                is_default tinyint(1) NOT NULL DEFAULT 0,
                created_at datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
                updated_at datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
                PRIMARY KEY (id),
                KEY customer_id (customer_id),
                KEY gateway_id (gateway_id),
                UNIQUE KEY unique_token (gateway_id, token)
            ) $charset_collate;
        ";
        
        // 订阅日志表
        $subscription_logs_table = "
            CREATE TABLE {$wpdb->prefix}yoone_subscription_logs (
                id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
                subscription_id bigint(20) unsigned NOT NULL,
                type varchar(50) NOT NULL,
                message text NOT NULL,
                data longtext DEFAULT NULL,
                created_at datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
                PRIMARY KEY (id),
                KEY subscription_id (subscription_id),
                KEY type (type),
                KEY created_at (created_at)
            ) $charset_collate;
        ";
        
        require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
        
        dbDelta($subscriptions_table);
        dbDelta($subscription_items_table);
        dbDelta($bundles_table);
        dbDelta($bundle_items_table);
        dbDelta($payment_tokens_table);
        dbDelta($subscription_logs_table);
        
        // 更新数据库版本
        update_option('yoone_subscriptions_db_version', self::DB_VERSION);
    }
    
    /**
     * 创建默认页面
     */
    private static function create_pages() {
        $pages = array(
            'subscriptions' => array(
                'name'    => _x('subscriptions', 'Page slug', 'yoone-subscriptions'),
                'title'   => _x('我的订阅', 'Page title', 'yoone-subscriptions'),
                'content' => '[yoone_my_subscriptions]'
            )
        );
        
        foreach ($pages as $key => $page) {
            $option_key = 'yoone_subscriptions_' . $key . '_page_id';
            
            if (!get_option($option_key)) {
                $page_id = wp_insert_post(array(
                    'post_title'     => $page['title'],
                    'post_content'   => $page['content'],
                    'post_status'    => 'publish',
                    'post_type'      => 'page',
                    'post_name'      => $page['name'],
                    'comment_status' => 'closed'
                ));
                
                if ($page_id) {
                    update_option($option_key, $page_id);
                }
            }
        }
    }
    
    /**
     * 设置默认选项
     */
    private static function set_default_options() {
        $default_options = array(
            'yoone_subscriptions_enable_bundles' => 'yes',
            'yoone_subscriptions_enable_trials' => 'yes',
            'yoone_subscriptions_default_period' => 'month',
            'yoone_subscriptions_default_interval' => 1,
            'yoone_subscriptions_retry_failed_payments' => 'yes',
            'yoone_subscriptions_max_retry_attempts' => 3,
            'yoone_subscriptions_retry_interval' => 1
        );
        
        foreach ($default_options as $option => $value) {
            if (!get_option($option)) {
                update_option($option, $value);
            }
        }
    }
    
    /**
     * 创建订阅状态
     */
    private static function create_subscription_statuses() {
        $statuses = array(
            'yoone-pending'    => _x('待处理', 'Subscription status', 'yoone-subscriptions'),
            'yoone-active'     => _x('活跃', 'Subscription status', 'yoone-subscriptions'),
            'yoone-paused'     => _x('暂停', 'Subscription status', 'yoone-subscriptions'),
            'yoone-cancelled'  => _x('已取消', 'Subscription status', 'yoone-subscriptions'),
            'yoone-expired'    => _x('已过期', 'Subscription status', 'yoone-subscriptions'),
            'yoone-trial'      => _x('试用期', 'Subscription status', 'yoone-subscriptions')
        );
        
        foreach ($statuses as $status => $label) {
            register_post_status($status, array(
                'label'                     => $label,
                'public'                    => false,
                'exclude_from_search'       => false,
                'show_in_admin_all_list'    => true,
                'show_in_admin_status_list' => true,
                'label_count'               => _n_noop($label . ' <span class="count">(%s)</span>', $label . ' <span class="count">(%s)</span>', 'yoone-subscriptions')
            ));
        }
    }
    
    /**
     * 检查数据库版本
     */
    public static function check_version() {
        if (get_option('yoone_subscriptions_db_version') !== self::DB_VERSION) {
            self::create_tables();
        }
    }
}