<?php

namespace App\Models;

use App\Models\Concerns\BelongsToTenant;
use Brick\Math\BigDecimal;
use Illuminate\Database\Eloquent\Model;

/** @property int $id
 * @property int $amount_minor
 * @property int $created_by
 * @property int|null $approved_by
 * @property string $kind
 */
class Budget extends Model
{
    use BelongsToTenant;

    protected $guarded = ['id'];

    public function approvedTotalMinor(): int
    {
        $sum = BudgetReinforcement::query()->where('budget_id', $this->id)->where('status', 'approved')->sum('amount_minor');

        return BigDecimal::of((string) $sum)->plus($this->amount_minor)->toInt();
    }

    protected static function booted(): void
    {
        static::updating(function (Budget $budget) {
            if ($budget->getRawOriginal('approved_by') !== null) {
                throw new \LogicException('Uma dotação aprovada não pode ser reescrita.');
            }
        });
        static::deleting(function (Budget $budget) {
            if ($budget->approved_by !== null) {
                throw new \LogicException('Preservar a dotação aprovada e os seus movimentos.');
            }
        });
    }

    protected function casts(): array
    {
        return ['includes_tax' => 'boolean'];
    }
}