<?php

namespace App\Models\HR;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;

class LeaveBalance extends Model
{
    protected $table = 'leave_balances';

    protected $fillable = [
        'tenant_id',
        'user_id',
        'year',
        'total_days',
        'used_days',
    ];

    protected $casts = [
        'tenant_id' => 'int',
        'user_id' => 'int',
        'year' => 'int',
        'total_days' => 'float',
        'used_days' => 'float',
        'remaining_days' => 'float',
    ];

    public function user(): BelongsTo
    {
        return $this->belongsTo(\App\Models\User::class, 'user_id');
    }

    public function getRemainingAttribute(): float
    {
        return $this->remaining_days ?? ($this->total_days - $this->used_days);
    }
}