<?php

namespace addons\shopro\library\ccblife;

use think\Exception;

/**
 * 建行订单服务类
 *
 * 功能:
 * - 订单推送到建行 (A3341TP01)
 * - 订单状态更新 (A3341TP02)
 * - 订单查询 (A3341TP03)
 * - 订单退款 (A3341TP04)
 *
 * @author Billy
 * @date 2025-01-16
 */
class CcbOrderService
{
    /**
     * HTTP客户端
     * @var CcbHttpClient
     */
    private $httpClient;

    /**
     * 配置信息
     * @var array
     */
    private $config;

    /**
     * 构造函数
     *
     * @param array $config 配置数组
     */
    public function __construct($config = [])
    {
        if (empty($config)) {
            $config = config('ccblife');
        }

        $this->config = $config;
        $this->httpClient = new CcbHttpClient($config);
    }

    /**
     * 推送订单到建行 (A3341TP01)
     *
     * @param array $orderData 订单数据
     * @return array 返回结果 ['success' => bool, 'data' => array, 'error' => string]
     */
    public function pushOrder($orderData)
    {
        try {
            // 构造订单推送数据
            $bodyData = $this->buildOrderPushData($orderData);

            // 发送请求
            $result = $this->httpClient->request('A3341TP01', $bodyData);

            return [
                'success' => true,
                'data' => $result,
                'ccb_discount_amt' => $result['CLD_BODY']['CCB_DISCOUNT_AMT'] ?? '0.00',
            ];

        } catch (Exception $e) {
            return [
                'success' => false,
                'error' => $e->getMessage(),
            ];
        }
    }

    /**
     * 更新订单状态 (A3341TP02)
     *
     * @param string $orderId 订单ID
     * @param array $updateData 更新数据
     * @return array 返回结果
     */
    public function updateOrder($orderId, $updateData)
    {
        try {
            // 构造订单更新数据
            $bodyData = array_merge([
                'ORDER_ID' => $orderId,
            ], $updateData);

            // 发送请求
            $result = $this->httpClient->request('A3341TP02', $bodyData);

            return [
                'success' => true,
                'data' => $result,
            ];

        } catch (Exception $e) {
            return [
                'success' => false,
                'error' => $e->getMessage(),
            ];
        }
    }

    /**
     * 查询订单 (A3341TP03)
     *
     * @param string $orderId 订单ID
     * @return array 返回结果
     */
    public function queryOrder($orderId)
    {
        try {
            $bodyData = [
                'ORDER_ID' => $orderId,
            ];

            $result = $this->httpClient->request('A3341TP03', $bodyData);

            return [
                'success' => true,
                'data' => $result,
            ];

        } catch (Exception $e) {
            return [
                'success' => false,
                'error' => $e->getMessage(),
            ];
        }
    }

    /**
     * 订单退款 (A3341TP04)
     *
     * @param string $orderId 订单ID
     * @param float $refundAmount 退款金额
     * @param string $refundReason 退款原因
     * @return array 返回结果
     */
    public function refundOrder($orderId, $refundAmount, $refundReason = '')
    {
        try {
            $bodyData = [
                'ORDER_ID' => $orderId,
                'REFUND_AMT' => number_format($refundAmount, 2, '.', ''),
                'REFUND_REASON' => $refundReason ?: '用户申请退款',
            ];

            $result = $this->httpClient->request('A3341TP04', $bodyData);

            return [
                'success' => true,
                'data' => $result,
            ];

        } catch (Exception $e) {
            return [
                'success' => false,
                'error' => $e->getMessage(),
            ];
        }
    }

    /**
     * 构造订单推送数据 (根据建行接口规范)
     *
     * @param array $orderData 商城订单数据
     * @return array 建行接口要求的数据格式
     */
    private function buildOrderPushData($orderData)
    {
        // SKU商品列表
        $skuList = [];
        if (!empty($orderData['goods_list'])) {
            foreach ($orderData['goods_list'] as $goods) {
                $skuList[] = [
                    'SKU_NAME' => $goods['goods_name'] ?? '',
                    'SKU_REF_PRICE' => number_format($goods['price'] ?? 0, 2, '.', ''),
                    'SKU_NUM' => $goods['num'] ?? 1,
                    'SKU_SELL_PRICE' => number_format($goods['price'] ?? 0, 2, '.', ''),
                ];
            }
        }

        // 商户信息
        $merchantConfig = $this->config['merchant'] ?? [];

        return [
            'USER_ID' => $orderData['ccb_user_id'] ?? '',
            'ORDER_ID' => $orderData['order_sn'] ?? '',
            'ORDER_DT' => date('YmdHis', $orderData['create_time'] ?? time()),
            'TOTAL_AMT' => number_format($orderData['total_amount'] ?? 0, 2, '.', ''),
            'PAY_AMT' => number_format($orderData['pay_amount'] ?? 0, 2, '.', ''),
            'DISCOUNT_AMT' => number_format($orderData['discount_amount'] ?? 0, 2, '.', ''),
            'ORDER_STATUS' => $this->mapOrderStatus($orderData['pay_status'] ?? 0),
            'REFUND_STATUS' => $this->mapRefundStatus($orderData['refund_status'] ?? 0),
            'MCT_NM' => $merchantConfig['name'] ?? '商户名称',
            'CUS_ORDER_URL' => $merchantConfig['order_detail_url'] . $orderData['id'],
            'OCC_MCT_LOGO_URL' => $merchantConfig['logo_url'] ?? '',
            'PAY_FLOW_ID' => $orderData['ccb_pay_flow_id'] ?? '',
            'PAY_MRCH_ID' => $this->config['merchant_id'] ?? '',
            'SKU_LIST' => json_encode($skuList, JSON_UNESCAPED_UNICODE),
        ];
    }

    /**
     * 映射订单状态
     *
     * Shopro订单状态 => 建行订单状态
     * Shopro: closed=交易关闭, cancel=已取消, unpaid=未支付, paid=已支付, completed=已完成, pending=待定
     * 建行: 0-待支付 1-已支付 2-已过期 3-失败 4-取消
     *
     * @param string $status Shopro订单状态
     * @return string 建行订单状态
     */
    private function mapOrderStatus($status)
    {
        $map = [
            'unpaid' => '0',     // 未支付 => 待支付
            'paid' => '1',       // 已支付 => 已支付
            'completed' => '1',  // 已完成 => 已支付
            'closed' => '2',     // 交易关闭 => 已过期
            'cancel' => '4',     // 已取消 => 取消
            'pending' => '0',    // 待定 => 待支付
        ];

        return $map[$status] ?? '0';
    }

    /**
     * 映射退款状态
     *
     * 0-无退款 1-申请 2-已退款 3-部分退款
     *
     * @param int $status 退款状态
     * @return string 建行退款状态
     */
    private function mapRefundStatus($status)
    {
        $map = [
            0 => '0', // 无退款
            1 => '1', // 申请
            2 => '2', // 已退款
            3 => '3', // 部分退款
        ];

        return $map[$status] ?? '0';
    }
}