<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use EloquentFilter\Filterable;
use Carbon\Carbon;
use Slowlyo\OwlAdmin\OwlAdmin;
use Slowlyo\OwlAdmin\Models\AdminUser;

class HydropowerFee extends Model
{
    use Filterable;

    protected $fillable = [
        'oldman_id',  'money', 'extends', 'start_at', 'end_at', 'sn', 'adminuser_id',
    ];

    public function oldman(){
        return $this->belongsTo(Oldmen::class, 'oldman_id');
    }

    public function adminuser(){
        return $this->belongsTo(AdminUser::class, 'adminuser_id');
    }

    protected static function boot()
    {
        parent::boot();
        // 监听 flow 创建事件，创建sn；
        static::creating(function ($hydropowerFee) {
            if(empty($hydropowerFee->sn)){
                $hydropowerFee->sn = self::createSn(); 
            }
            if(empty($hydropowerFee->adminuser_id)){
                $hydropowerFee->adminuser_id = OwlAdmin::user()->id; 
            }
        });
    }

    private static function createSn()
    {
        return Carbon::now()->isoFormat('YYMMDDHHmmss').rand(1000, 9999);
    }
}