<?php

/**
 * 文件功能：任命公告广播事件
 * 任命操作成功后向对应聊天室 PresenceChannel 推送任命消息，
 * 前端接收后展示全屏礼花动画和隆重公告弹窗。
 *
 * @author   ChatRoom Laravel
 *
 * @version  1.0.0
 */

namespace App\Events;

use Illuminate\Broadcasting\InteractsWithSockets;
use Illuminate\Broadcasting\PresenceChannel;
use Illuminate\Contracts\Broadcasting\ShouldBroadcastNow;
use Illuminate\Foundation\Events\Dispatchable;
use Illuminate\Queue\SerializesModels;

class AppointmentAnnounced implements ShouldBroadcastNow
{
    use Dispatchable, InteractsWithSockets, SerializesModels;

    /**
     * 构建任命公告事件
     *
     * @param  int  $roomId  广播目标房间 ID
     * @param  string  $targetUsername  被任命用户名
     * @param  string  $positionIcon  职务图标
     * @param  string  $positionName  职务名称
     * @param  string  $departmentName  所属部门名称
     * @param  string  $operatorName  任命人用户名
     */
    public function __construct(
        public readonly int $roomId,
        public readonly string $targetUsername,
        public readonly string $positionIcon,
        public readonly string $positionName,
        public readonly string $departmentName,
        public readonly string $operatorName,
        public readonly string $type = 'appoint',  // appoint | revoke
    ) {}

    /**
     * 广播至目标房间的 PresenceChannel
     *
     * @return array<int, \Illuminate\Broadcasting\Channel>
     */
    public function broadcastOn(): array
    {
        return [
            new PresenceChannel('room.'.$this->roomId),
        ];
    }

    /**
     * 广播数据
     *
     * @return array<string, mixed>
     */
    public function broadcastWith(): array
    {
        return [
            'type' => $this->type,
            'target_username' => $this->targetUsername,
            'position_icon' => $this->positionIcon,
            'position_name' => $this->positionName,
            'department_name' => $this->departmentName,
            'operator_name' => $this->operatorName,
        ];
    }
}