<?php

namespace app\haichao;

use think\exception\ValidateException;
use think\facade\Log;

abstract class HaichaoBridge
{
    private array $api = [
        'appid' => '',
        'appSecret' => '',
        'api' => 'https://openapi.jushuitan.com/',
        'access_token' => '',
        'shopId' => '',
    ];

    public function __construct()
    {
        $this->api['appid'] = env('JST_APP_KEY', '');
        $this->api['appSecret'] = env('JST_APP_SECRET', '');
        $this->api['api'] = env('JST_API', 'https://openapi.jushuitan.com/');
        $this->api['access_token'] = env('JST_ACCESS_TOKEN', '');
        $this->api['shopId'] = (string)env('JST_SHOP_ID', '');
    }

    public function getShopId(): string
    {
        return $this->api['shopId'];
    }

    /**
     * 聚水潭开放平台请求封装
     * @param string $api
     * @param array $data
     * @param array $addonBody
     * @return array
     */
    protected function post(string $api, array $data = [], array $addonBody = []): array
    {
        if (!$this->api['appid'] || !$this->api['appSecret'] || !$this->api['access_token']) {
            throw new ValidateException('JST config missing');
        }
        $time = time();
        $baseBody = [
            'access_token' => $this->api['access_token'],
            'app_key' => $this->api['appid'],
        ];
        $baseBody = array_merge($baseBody, $addonBody);
        $baseBody['biz'] = json_encode($data, JSON_UNESCAPED_UNICODE);
        $baseBody['charset'] = 'utf-8';
        $baseBody['timestamp'] = $time;
        $baseBody['version'] = '2';
        $baseBody['sign'] = $this->sign($baseBody);
        $options['http'] = [
            'timeout' => 60,
            'method' => 'POST',
            'header' => 'Content-Type: application/json;charset=utf-8',
            'content' => http_build_query($baseBody)
        ];
        $rt = json_decode(file_get_contents("{$this->api['api']}$api", false, stream_context_create($options)), true);
        if (!is_array($rt) || !array_key_exists('code', $rt)) {
            Log::error('JST response invalid ' . json_encode([
                    'api' => $api,
                ], JSON_UNESCAPED_UNICODE));
            throw new ValidateException('JST response invalid');
        }
        if ($rt['code'] != 0) {
            Log::error('JST request failed ' . json_encode([
                    'api' => $api,
                    'code' => $rt['code'],
                    'msg' => (string)($rt['msg'] ?? ''),
                ], JSON_UNESCAPED_UNICODE));
            throw new ValidateException($rt['msg'] ?? 'JST error');
        }
        return $rt;
    }

    private function sign(array $data): string
    {
        $computerStr = "";
        foreach ($data as $k => $v) {
            $computerStr .= $k . $v;
        }
        $computerStr = $this->api['appSecret'] . $computerStr;
        return md5($computerStr);
    }
}