<?php

declare(strict_types=1);

namespace app\common\model;

use ba\Random;
use support\think\Model;

/**
 * 用户资产（积分商城用户主表，含登录账号字段）
 */
class MallUserAsset extends Model
{
    protected string $name = 'mall_user_asset';

    protected bool $autoWriteTimestamp = true;

    protected array $type = [
        'create_time'      => 'integer',
        'update_time'      => 'integer',
        'locked_points'    => 'integer',
        'available_points' => 'integer',
        'today_limit'      => 'integer',
        'today_claimed'    => 'integer',
        'admin_id'         => 'integer',
    ];

    /**
     * H5 临时登录：按用户名查找或创建资产行，playx_user_id 使用 mall_{id}
     */
    public static function ensureForUsername(string $username): self
    {
        $username = trim($username);
        $existing = self::where('username', $username)->find();
        if ($existing) {
            return $existing;
        }

        $phone = self::allocateUniquePhone();
        if ($phone === null) {
            throw new \RuntimeException('Failed to allocate unique phone');
        }

        $pwd = hash_password(Random::build('alnum', 16));
        $now = time();
        $temporaryPlayxId = 'tmp_' . bin2hex(random_bytes(16));
        $created = self::create([
            'playx_user_id'    => $temporaryPlayxId,
            'username'         => $username,
            'phone'            => $phone,
            'password'         => $pwd,
            'admin_id'         => 0,
            'locked_points'    => 0,
            'available_points' => 0,
            'today_limit'      => 0,
            'today_claimed'    => 0,
            'today_limit_date' => null,
            'create_time'      => $now,
            'update_time'      => $now,
        ]);
        if (!$created) {
            throw new \RuntimeException('Failed to create mall_user_asset');
        }

        $id = $created->getKey();
        $finalPlayxId = 'mall_' . $id;
        if (self::where('playx_user_id', $finalPlayxId)->where('id', '<>', $id)->find()) {
            $finalPlayxId = 'mall_' . $id . '_' . bin2hex(random_bytes(4));
        }
        $created->playx_user_id = $finalPlayxId;
        $created->save();

        return $created;
    }

    private static function allocateUniquePhone(): ?string
    {
        for ($i = 0; $i < 8; $i++) {
            $candidate = '13' . str_pad(mt_rand(0, 999999999), 9, '0', STR_PAD_LEFT);
            if (!self::where('phone', $candidate)->find()) {
                return $candidate;
            }
        }

        return null;
    }
}