<?php

namespace App\Module\Farm\Events;

use App\Module\Farm\Models\FarmLand;
use App\Module\Farm\Models\FarmUpgradeLog;
use Illuminate\Broadcasting\InteractsWithSockets;
use Illuminate\Foundation\Events\Dispatchable;
use Illuminate\Queue\SerializesModels;

/**
 * 土地升级事件
 * 
 * 当用户升级土地时触发
 */
class LandUpgradedEvent
{
    use Dispatchable, InteractsWithSockets, SerializesModels;

    /**
     * 用户ID
     *
     * @var int
     */
    public $userId;

    /**
     * 土地信息
     *
     * @var FarmLand
     */
    public $land;

    /**
     * 旧土地类型
     *
     * @var int
     */
    public $oldType;

    /**
     * 新土地类型
     *
     * @var int
     */
    public $newType;

    /**
     * 升级记录
     *
     * @var FarmUpgradeLog
     */
    public $upgradeLog;

    /**
     * 创建一个新的事件实例
     *
     * @param int $userId
     * @param FarmLand $land
     * @param int $oldType
     * @param int $newType
     * @param FarmUpgradeLog $upgradeLog
     * @return void
     */
    public function __construct(
        int $userId,
        FarmLand $land,
        int $oldType,
        int $newType,
        FarmUpgradeLog $upgradeLog
    ) {
        $this->userId = $userId;
        $this->land = $land;
        $this->oldType = $oldType;
        $this->newType = $newType;
        $this->upgradeLog = $upgradeLog;
    }
}