<?php

namespace App\Service\wx;

use App\BaseApp\BaseWxService;
use App\Models\business\ListModel;
use App\Models\business\WxUserModel;
use App\Service\business\SerialNoService;

/**
 * 小程序登录
 *
 * 返回的 token 是服务端自签的（见 WxTokenService），session_key 只写库不外发。
 */
class WxAuthService extends BaseWxService
{
    protected bool $needLogin = false;

    private const DEFAULT_AVATAR = 'http://qiniu.boerman.top/b_2010f38d40d7d4426787b9131020e2a3.png';

    /**
     * code 登录：老用户更新 session_key，新用户建档并送一份默认清单
     */
    public function login(array $params): array
    {
        $code = trim((string) ($params['code'] ?? ''));
        if ($code === '') {
            $this->utils->errorThrow('缺少 code');
        }
        $credentials = WxMiniService::getInstance()->jscode2session($code);
        $openId = (string) $credentials['openid'];
        $now = time();

        $user = WxUserModel::where('open_id', $openId)->first();
        if (empty($user)) {
            $userId = WxUserModel::insertGetId([
                'open_id' => $openId,
                'session_key' => (string) ($credentials['session_key'] ?? ''),
                'avatar' => $params['avatar'] ?? self::DEFAULT_AVATAR,
                'nick_name' => $params['nick_name'] ?? '微信用户',
                'phone' => '',
                'created_at' => $now,
            ]);
            if (empty($userId)) {
                $this->utils->errorThrow('用户创建失败');
            }
            ListModel::insert([
                'list_no' => SerialNoService::getInstance()->generate(SerialNoService::PREFIX_LIST, 'list', 'list_no'),
                'user_id' => $userId,
                'name' => '默认清单',
                'remark' => '系统默认生成的清单',
                'created_at' => $now,
            ]);
        } else {
            $userId = (int) $user['id'];
            WxUserModel::where('id', $userId)->update([
                'session_key' => (string) ($credentials['session_key'] ?? ''),
                'updated_at' => $now,
            ]);
        }

        $userInfo = WxUserModel::where('id', $userId)->with('enterprise')->first();
        $userInfo = $userInfo ? $userInfo->toArray() : [];
        unset($userInfo['session_key']);

        return [
            'token' => WxTokenService::getInstance()->issue((int) $userId, (string) ($credentials['app_code'] ?? '')),
            'user_info' => $userInfo,
        ];
    }
}