<?php
declare (strict_types = 1);

namespace app\api\controller;

use app\BaseController;
use app\model\api\ChatBalanceLog;
use app\model\api\ChatOrder;
use app\Request;
use app\services\chat\ChatBalanceService;

/**
 * 聊天次数购买控制器
 */
class ChatBuy extends BaseController
{
    /**
     * 获取购买配置信息
     */
    public function config(Request $request)
    {
        $price = ChatBalanceService::getBuyPrice();
        $balance = ChatBalanceService::getBalance($request->user['uid']);
        
        return app('json')->success('获取成功', [
            'price' => $price,           // 单次购买价格（积分）
            'balance' => $balance,      // 当前剩余次数
        ]);
    }
    
    /**
     * 创建购买订单
     */
    public function createOrder(Request $request)
    {
        $data = $request->post();
        $chatNum = (int)($data['chat_num'] ?? 1);
        $userId = $request->user['uid'];
        
        if ($chatNum <= 0) {
            return app('json')->fail('购买数量必须大于0');
        }
        
        $price = ChatBalanceService::getBuyPrice();
        if ($price <= 0) {
            return app('json')->fail('购买价格未设置');
        }
        
        $totalPrice = $price * $chatNum;
        
        // 检查用户积分是否足够
        $userScore = \app\model\api\UserScoreDetail::getUserScore($userId);
        if ($userScore < $totalPrice) {
            return app('json')->fail('积分不足，当前积分：' . $userScore);
        }
        
        // 创建订单
        $order = ChatOrder::createOrder($userId, $chatNum, $totalPrice);
        
        if (!$order) {
            return app('json')->fail('订单创建失败');
        }
        
        // 立即支付（积分支付，无需跳转）
        $result = ChatBalanceService::buyWithScore($userId, $chatNum, $order);
        
        if (!$result) {
            // 支付失败，取消订单
            ChatOrder::cancelOrder($order->id);
            return app('json')->fail('支付失败');
        }
        
        // 更新订单状态
        ChatOrder::paySuccess($order->id);
        
        $newBalance = ChatBalanceService::getBalance($userId);
        
        return app('json')->success('购买成功', [
            'order_id' => $order->id,
            'order_no' => $order->order_no,
            'chat_num' => $chatNum,
            'price' => $totalPrice,
            'balance' => $newBalance,
        ]);
    }
    
    /**
     * 获取当前聊天次数余额
     */
    public function balance(Request $request)
    {
        $balance = ChatBalanceService::getBalance($request->user['uid']);
        
        return app('json')->success('获取成功', [
            'balance' => $balance,
        ]);
    }
    
    /**
     * 获取购买记录列表
     */
    public function orderList(Request $request)
    {
        $data = $request->get();
        $page = (int)($data['page'] ?? 1);
        $limit = (int)($data['limit'] ?? 10);
        
        $result = ChatOrder::getUserOrders($request->user['uid'], $page, $limit);
        
        // 处理订单状态文本
        foreach ($result['list'] as &$item) {
            $item['status_text'] = ChatOrder::getStatusText($item['status']);
        }
        
        return app('json')->success('获取成功', $result);
    }
    
    /**
     * 获取变动明细列表
     */
    public function balanceLogList(Request $request)
    {
        $data = $request->get();
        $page = (int)($data['page'] ?? 1);
        $limit = (int)($data['limit'] ?? 10);
        
        $result = ChatBalanceLog::getUserLogs($request->user['uid'], $page, $limit);
        
        return app('json')->success('获取成功', $result);
    }
}