<?php
namespace common\components\delivery\services\adapter;

use common\components\delivery\helpers\HttpClient;
use common\components\delivery\helpers\SignHelper;
use common\components\delivery\platform\dada\Dada;
use Yii;

/**
 * 达达（DaDa）配送平台适配器
 * 
 * 基于达达开放平台 API 接口规范进行封装
 * API 文档参考：达达开放平台 - 接口调用协议与签名算法
 */
class DadaAdapter extends Dada implements Adapter
{
    /**
     * 获取已开通城市列表
     * 
     * 通过此接口可获取到达达配送业务所有已开通的城市列表信息
     * 
     * @return array 包含城市列表的响应数据
     *   示例结构：
     *   [
     *       'status' => 'success',
     *       'code' => 0,
     *       'msg' => '成功',
     *       'result' => [
     *           'cityList' => [
     *               [
     *                   'cityCode' => '110101',
     *                   'cityName' => '东城区',
     *                   'provinceName' => '北京市',
     *               ],
     *               // ... 更多城市
     *           ]
     *       ]
     *   ]
     */
    public function cityList()
    {
        // 业务参数为空时使用空字符串
        $body = '';
        
        // 构建完整的 API 请求参数
        $payload = $this->buildRequestPayload('cityList', $body);
        
        // 发送 POST 请求
        $resp = HttpClient::post("{$this->baseUrl}/cityList", $payload);
        
        return $resp;
    }

    /**
     * 创建订单（指派订单给配送员）
     * 
     * 根据达达官方文档实现下单功能
     * 
     * @param array $data 订单数据，结构参考：
     *   [
     *       'order_id' => '订单编号' (必需),           // 商户系统内部订单编号
     *       'shop_no' => '门店编号' (必需),           // 门店编号
     *       'transporter_id' => 配送员ID (必需),      // 指定配送员ID（可选，为空则由系统自动分配）
     *       'receiver_name' => '收货人名称' (可选),
     *       'receiver_address' => '收货地址' (可选),
     *       'receiver_phone' => '收货人电话' (可选),
     *       'receiver_lng' => 经度 (可选),
     *       'receiver_lat' => 纬度 (可选),
     *       'cargo_price' => 货物价格(分) (可选),
     *       'tips' => 小费(分) (可选),
     *       'distance' => 距离(米) (可选),
     *       'prepare_time' => 商品准备时间 (可选),    // 单位：秒
     *       'remark' => '备注' (可选),
     *       'callback' => '回调地址' (可选),
     *   ]
     * @return array API 响应结果
     */
    public function createOrder($data)
    {
        // 验证必需字段
        if (empty($data['order_id']) || empty($data['shop_no'])) {
            return [
                'code' => -1,
                'msg' => '缺少必需参数: order_id 和 shop_no'
            ];
        }

        // 构建业务参数（按达达 API 规范）
        $apiData = [
            'order_id' => $data['order_id'],
            'shop_no' => $data['shop_no'],
        ];

        // 如果指定了配送员ID，添加到请求
        if (isset($data['transporter_id'])) {
            $apiData['transporter_id'] = (int)$data['transporter_id'];
        }

        // 可选参数
        if (!empty($data['receiver_name'])) {
            $apiData['receiver_name'] = $data['receiver_name'];
        }
        if (!empty($data['receiver_address'])) {
            $apiData['receiver_address'] = $data['receiver_address'];
        }
        if (!empty($data['receiver_phone'])) {
            $apiData['receiver_phone'] = $data['receiver_phone'];
        }
        if (isset($data['receiver_lng']) && $data['receiver_lng'] !== '') {
            $apiData['receiver_lng'] = (double)$data['receiver_lng'];
        }
        if (isset($data['receiver_lat']) && $data['receiver_lat'] !== '') {
            $apiData['receiver_lat'] = (double)$data['receiver_lat'];
        }
        if (isset($data['cargo_price'])) {
            $apiData['cargo_price'] = (int)$data['cargo_price'];
        }
        if (isset($data['tips'])) {
            $apiData['tips'] = (int)$data['tips'];
        }
        if (isset($data['distance'])) {
            $apiData['distance'] = (int)$data['distance'];
        }
        if (isset($data['prepare_time'])) {
            $apiData['prepare_time'] = (int)$data['prepare_time'];
        }
        if (!empty($data['remark'])) {
            $apiData['remark'] = $data['remark'];
        }
        if (!empty($data['callback'])) {
            $apiData['callback'] = $data['callback'];
        }

        // 将业务参数转换为 JSON 字符串
        $body = json_encode($apiData, JSON_UNESCAPED_UNICODE);

        // 构建完整的 API 请求参数
        $payload = $this->buildRequestPayload('orderAddRequest', $body);

        // 发送 POST 请求
        $resp = HttpClient::post("{$this->baseUrl}/orderAddRequest", $payload);

        return $resp;
    }

    /**
     * 获取订单运费报价
     * 
     * 根据达达官方文档实现订单运费估价功能
     * 
     * @param array $data 运费估价参数，结构参考：
     *   [
     *       'shop_no' => '门店编号' (必需),
     *       'origin_id' => '原始订单ID' (必需),       // 商户侧订单编号
     *       'receiver_address' => '收货地址' (必需),
     *       'receiver_phone' => '收货人电话' (必需),
     *       'receiver_lng' => 经度 (必需),
     *       'receiver_lat' => 纬度 (必需),
     *       'cargo_price' => 货物价格(分) (可选),    // 商品价格，单位为分
     *       'distance' => 距离(米) (可选),
     *       'prepare_time' => 商品准备时间 (可选),   // 单位：秒
     *   ]
     * @return array|null 运费报价结果
     */
    public function getPrice($data)
    {
        // 验证必需字段
        if (empty($data['shop_no']) || empty($data['origin_id']) || 
            empty($data['receiver_address']) || empty($data['receiver_phone']) ||
            !isset($data['receiver_lng']) || !isset($data['receiver_lat'])) {
            return [
                'code' => -1,
                'msg' => '缺少必需参数'
            ];
        }

        // 构建业务参数（按达达 API 规范）
        $apiData = [
            'shop_no' => $data['shop_no'],
            'origin_id' => $data['origin_id'],
            'receiver_address' => $data['receiver_address'],
            'receiver_phone' => $data['receiver_phone'],
            'receiver_lng' => (double)$data['receiver_lng'],
            'receiver_lat' => (double)$data['receiver_lat'],
        ];

        // 可选参数
        if (isset($data['cargo_price'])) {
            $apiData['cargo_price'] = (int)$data['cargo_price'];
        }
        if (isset($data['distance'])) {
            $apiData['distance'] = (int)$data['distance'];
        }
        if (isset($data['prepare_time'])) {
            $apiData['prepare_time'] = (int)$data['prepare_time'];
        }

        // 将业务参数转换为 JSON 字符串
        $body = json_encode($apiData, JSON_UNESCAPED_UNICODE);

        // 构建完整的 API 请求参数
        $payload = $this->buildRequestPayload('queryDeliverFee', $body);

        // 发送 POST 请求
        $resp = HttpClient::post("{$this->baseUrl}/queryDeliverFee", $payload);

        // 处理响应
        if (isset($resp['status']) && $resp['status'] === 'success' && $resp['code'] == 0) {
            $result = $resp['result'] ?? [];
            return [
                'code' => 0,
                'platform' => 'dada',
                'deliver_fee' => $result['deliver_fee'] ?? 0,           // 配送费(分)
                'distance' => $result['distance'] ?? 0,                 // 距离(米)
                'duration' => $result['duration'] ?? 0,                 // 配送时间(分钟)
                'tips' => $result['tips'] ?? 0,                         // 小费(分)
            ];
        }

        return [
            'code' => $resp['code'] ?? -1,
            'msg' => $resp['msg'] ?? 'Unknown error',
            'data' => null
        ];
    }

    /**
     * 生成随机数字符串（备用方法，如需要使用）
     * 
     * @param int $length 长度
     * @return string 随机字符串
     */
    protected function generateNonceStr($length = 16)
    {
        $chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
        $str = '';
        for ($i = 0; $i < $length; $i++) {
            $str .= $chars[random_int(0, strlen($chars) - 1)];
        }
        return $str;
    }

    public function addTip($data)
    {
        // TODO: Implement addTip() method.
    }

    public function buildPriceRequest($data, $orderTime)
    {
        // TODO: Implement buildPriceRequest() method.
    }
}