<?php

namespace App\Clients;

use Illuminate\Http\Client\PendingRequest;
use Illuminate\Http\Client\Response;
use Illuminate\Support\Facades\Http;
use Illuminate\Support\Facades\Log;

/**
 * CRM Service HTTP 客户端
 *
 * 用于调用 agent-be 依赖的 CRM 服务接口，主要用于进产诊断中的一级代理账期判断。
 */
class CrmClient
{
    private string $baseUrl;

    private int $timeout;

    public function __construct()
    {
        $this->baseUrl = rtrim((string) config('services.crm.base_uri'), '/');
        $this->timeout = (int) config('services.crm.timeout', 15);
    }

    /**
     * 是否已配置 CRM 接口
     */
    public function isConfigured(): bool
    {
        return $this->baseUrl !== '';
    }

    /**
     * 获取一级代理详情，包含 productList[].productCode / agentAccountingPeriod
     *
     * 对应 agent-be Client::getAgentByCode -> GET /api/group/detail/{code}
     *
     * @return array|null 成功返回响应 JSON 解码数据；失败返回 null。
     */
    public function getAgentByCode(string $rootAgentCode): ?array
    {
        if (!$this->isConfigured()) {
            return null;
        }

        try {
            $response = $this->http()->get($this->baseUrl.'/api/group/detail/'.$rootAgentCode);

            if (!$response->successful()) {
                Log::warning('CRM getAgentByCode non-2xx', [
                    'code' => $rootAgentCode,
                    'status' => $response->status(),
                    'body' => $response->body(),
                ]);
                return null;
            }

            return $response->json();
        } catch (\Throwable $e) {
            Log::warning('CRM getAgentByCode failed', [
                'code' => $rootAgentCode,
                'message' => $e->getMessage(),
            ]);
            return null;
        }
    }

    /**
     * 解析 getAgentByCode 返回，构建 productCode => hasCredit 的映射
     */
    public function firstAgentCreditMap(string $rootAgentCode): array
    {
        $data = $this->getAgentByCode($rootAgentCode);
        if (!is_array($data)) {
            return [];
        }

        // 与 agent-be AgentCredit::getFirstAgentCredit 保持一致：要求 code == 200
        if (!isset($data['code']) || (int) $data['code'] !== 200) {
            return [];
        }

        $productList = $data['data']['productList'] ?? [];
        $map = [];
        foreach ($productList as $product) {
            $productCode = (string) ($product['productCode'] ?? '');
            if ($productCode === '') {
                continue;
            }
            $map[$productCode] = ((int) ($product['agentAccountingPeriod'] ?? 0)) > 0;
        }

        return $map;
    }

    private function http(): PendingRequest
    {
        return Http::timeout($this->timeout)
            ->withoutVerifying()
            ->acceptJson();
    }
}