<?php
declare (strict_types = 1);

namespace app\common\model;

use think\Model;

/**
 * 钻石支付订单记录模型
 */
class DiamondOrder extends Model
{
    // 表名
    protected $name = 'diamond_orders';
    
    // 自动写入时间戳
    protected $autoWriteTimestamp = true;
    
    // 定义时间戳字段名
    protected $createTime = 'created_at';
    protected $updateTime = false; // 不使用更新时间
    
    // 类型转换
    protected $type = [
        'id' => 'integer',
        'user_id' => 'integer',
        'diamond_id' => 'integer',
        'amount_paid' => 'float',
        'is_first_charge' => 'boolean',
    ];
    
    // 设置只读字段
    protected $readonly = ['order_no'];
    
    // 订单状态常量
    const STATUS_PENDING = 'pending';
    const STATUS_SUCCESS = 'success';
    const STATUS_FAILED = 'failed';
    
    // 支付方式常量
    const PAY_METHOD_ALIPAY = 'alipay';
    const PAY_METHOD_WECHAT = 'wechat';
    
    /**
     * 关联用户
     */
    public function user()
    {
        return $this->belongsTo('User', 'user_id');
    }
    
    /**
     * 获取订单状态列表
     */
    public static function getStatusList()
    {
        return [
            self::STATUS_PENDING => '待支付',
            self::STATUS_SUCCESS => '支付成功',
            self::STATUS_FAILED => '支付失败'
        ];
    }
    
    /**
     * 获取支付方式列表
     */
    public static function getPayMethodList()
    {
        return [
            self::PAY_METHOD_ALIPAY => '支付宝',
            self::PAY_METHOD_WECHAT => '微信支付'
        ];
    }
    
    /**
     * 生成唯一订单号
     */
    public static function generateOrderNo()
    {
        return date('YmdHis') . substr(implode('', array_map('ord', str_split(substr(uniqid(), 7, 13), 1))), 0, 8);
    }
}