<?php
/**
 * 订阅流程测试脚本
 * 
 * @package Yoone_Subscriptions
 * @subpackage Tests
 */

// 防止直接访问
if (!defined('ABSPATH')) {
    exit;
}

/**
 * 订阅流程测试类
 */
class Yoone_Subscription_Flow_Test {
    
    private $test_results = array();
    private $customer_id;
    private $product_id;
    private $subscription_id;
    
    /**
     * 运行完整的订阅流程测试
     */
    public function run_full_test() {
        $this->log_test('开始订阅流程测试');
        
        try {
            // 1. 环境检查
            $this->test_environment();
            
            // 2. 创建测试数据
            $this->setup_test_data();
            
            // 3. 测试订阅创建
            $this->test_subscription_creation();
            
            // 4. 测试订阅激活
            $this->test_subscription_activation();
            
            // 5. 测试订阅暂停
            $this->test_subscription_pause();
            
            // 6. 测试订阅恢复
            $this->test_subscription_resume();
            
            // 7. 测试续费处理
            $this->test_subscription_renewal();
            
            // 8. 测试订阅取消
            $this->test_subscription_cancellation();
            
            // 9. 清理测试数据
            $this->cleanup_test_data();
            
            $this->log_test('订阅流程测试完成');
            
        } catch (Exception $e) {
            $this->log_test('测试失败: ' . $e->getMessage(), 'error');
            $this->cleanup_test_data();
        }
        
        return $this->test_results;
    }
    
    /**
     * 环境检查
     */
    private function test_environment() {
        $this->log_test('检查测试环境');
        
        // 检查必要的类是否存在
        $required_classes = array(
            'Yoone_Subscription',
            'Yoone_Subscription_Manager',
            'Yoone_Payment_Token',
            'WC_Product'
        );
        
        foreach ($required_classes as $class) {
            if (!class_exists($class)) {
                throw new Exception("必需的类 {$class} 不存在");
            }
        }
        
        // 检查数据库表
        global $wpdb;
        $tables = array(
            $wpdb->prefix . 'yoone_subscriptions',
            $wpdb->prefix . 'yoone_subscription_items',
            $wpdb->prefix . 'yoone_payment_tokens'
        );
        
        foreach ($tables as $table) {
            $exists = $wpdb->get_var("SHOW TABLES LIKE '{$table}'");
            if (!$exists) {
                throw new Exception("数据库表 {$table} 不存在");
            }
        }
        
        $this->log_test('环境检查通过', 'success');
    }
    
    /**
     * 创建测试数据
     */
    private function setup_test_data() {
        $this->log_test('创建测试数据');
        
        // 创建测试客户
        $this->customer_id = Yoone_Test_Config::create_test_customer();
        if (!$this->customer_id) {
            throw new Exception('创建测试客户失败');
        }
        
        // 创建测试产品
        $this->product_id = Yoone_Test_Config::create_test_product('subscription');
        if (!$this->product_id) {
            throw new Exception('创建测试产品失败');
        }
        
        $this->log_test("测试数据创建成功 - 客户ID: {$this->customer_id}, 产品ID: {$this->product_id}", 'success');
    }
    
    /**
     * 测试订阅创建
     */
    private function test_subscription_creation() {
        $this->log_test('测试订阅创建');
        
        $subscription = new Yoone_Subscription();
        $subscription->set_customer_id($this->customer_id);
        $subscription->set_status('pending');
        $subscription->set_billing_period('month');
        $subscription->set_billing_interval(1);
        $subscription->set_start_date(current_time('mysql'));
        $subscription->set_total(29.99);
        $subscription->set_currency('CAD');
        
        // 添加订阅商品
        $subscription->add_item(array(
            'product_id' => $this->product_id,
            'quantity' => 1,
            'line_total' => 29.99
        ));
        
        // 保存订阅
        $this->subscription_id = $subscription->save();
        
        if (!$this->subscription_id) {
            throw new Exception('订阅创建失败');
        }
        
        // 验证订阅数据
        $saved_subscription = new Yoone_Subscription($this->subscription_id);
        if ($saved_subscription->get_customer_id() !== $this->customer_id) {
            throw new Exception('订阅数据验证失败');
        }
        
        $this->log_test("订阅创建成功 - ID: {$this->subscription_id}", 'success');
    }
    
    /**
     * 测试订阅激活
     */
    private function test_subscription_activation() {
        $this->log_test('测试订阅激活');
        
        $subscription = new Yoone_Subscription($this->subscription_id);
        $result = $subscription->activate();
        
        if (!$result) {
            throw new Exception('订阅激活失败');
        }
        
        // 验证状态
        $subscription = new Yoone_Subscription($this->subscription_id);
        if ($subscription->get_status() !== 'active') {
            throw new Exception('订阅状态验证失败');
        }
        
        $this->log_test('订阅激活成功', 'success');
    }
    
    /**
     * 测试订阅暂停
     */
    private function test_subscription_pause() {
        $this->log_test('测试订阅暂停');
        
        $subscription = new Yoone_Subscription($this->subscription_id);
        $result = $subscription->pause();
        
        if (!$result) {
            throw new Exception('订阅暂停失败');
        }
        
        // 验证状态
        $subscription = new Yoone_Subscription($this->subscription_id);
        if ($subscription->get_status() !== 'on-hold') {
            throw new Exception('订阅暂停状态验证失败');
        }
        
        $this->log_test('订阅暂停成功', 'success');
    }
    
    /**
     * 测试订阅恢复
     */
    private function test_subscription_resume() {
        $this->log_test('测试订阅恢复');
        
        $subscription = new Yoone_Subscription($this->subscription_id);
        $result = $subscription->resume();
        
        if (!$result) {
            throw new Exception('订阅恢复失败');
        }
        
        // 验证状态
        $subscription = new Yoone_Subscription($this->subscription_id);
        if ($subscription->get_status() !== 'active') {
            throw new Exception('订阅恢复状态验证失败');
        }
        
        $this->log_test('订阅恢复成功', 'success');
    }
    
    /**
     * 测试续费处理
     */
    private function test_subscription_renewal() {
        $this->log_test('测试续费处理');
        
        $subscription = new Yoone_Subscription($this->subscription_id);
        
        // 设置下次付款日期为过去时间以触发续费
        $past_date = date('Y-m-d H:i:s', strtotime('-1 day'));
        $subscription->set_next_payment_date($past_date);
        $subscription->save();
        
        // 模拟续费处理
        $renewal_result = $subscription->process_renewal();
        
        if (!$renewal_result) {
            // 续费可能因为没有支付方式而失败，这在测试中是正常的
            $this->log_test('续费处理完成（可能因缺少支付方式而失败，这是正常的）', 'warning');
        } else {
            $this->log_test('续费处理成功', 'success');
        }
    }
    
    /**
     * 测试订阅取消
     */
    private function test_subscription_cancellation() {
        $this->log_test('测试订阅取消');
        
        $subscription = new Yoone_Subscription($this->subscription_id);
        $result = $subscription->cancel();
        
        if (!$result) {
            throw new Exception('订阅取消失败');
        }
        
        // 验证状态
        $subscription = new Yoone_Subscription($this->subscription_id);
        if ($subscription->get_status() !== 'cancelled') {
            throw new Exception('订阅取消状态验证失败');
        }
        
        $this->log_test('订阅取消成功', 'success');
    }
    
    /**
     * 清理测试数据
     */
    private function cleanup_test_data() {
        $this->log_test('清理测试数据');
        
        // 删除测试订阅
        if ($this->subscription_id) {
            $subscription = new Yoone_Subscription($this->subscription_id);
            $subscription->delete();
        }
        
        // 删除测试产品
        if ($this->product_id) {
            wp_delete_post($this->product_id, true);
        }
        
        // 删除测试客户
        if ($this->customer_id) {
            wp_delete_user($this->customer_id);
        }
        
        $this->log_test('测试数据清理完成', 'success');
    }
    
    /**
     * 记录测试结果
     */
    private function log_test($message, $type = 'info') {
        $this->test_results[] = array(
            'timestamp' => current_time('mysql'),
            'message' => $message,
            'type' => $type
        );
        
        // 同时记录到日志系统
        Yoone_Logger::info('订阅流程测试: ' . $message);
    }
    
    /**
     * 获取测试结果
     */
    public function get_test_results() {
        return $this->test_results;
    }
}