<?php

namespace App\Models\Tenant;

use App\Models\Concerns\BelongsToTenant;
use App\Models\Scopes\TenantScope;
use Illuminate\Database\Eloquent\Model;

class LaborCategory extends Model
{
    use BelongsToTenant;

    protected $fillable = ['company_id', 'name', 'name_ro', 'name_ru', 'name_en', 'sort_order'];

    protected static function boot(): void
    {
        parent::boot();

        // When sort_order is changed to a value already occupied by another record,
        // shift all records at that position and above up by 1 to make room.
        static::saving(function (self $cat) {
            $new = (int) $cat->sort_order;
            $old = (int) ($cat->getOriginal('sort_order') ?? PHP_INT_MAX);

            if ($new === $old) return;

            $conflict = static::withoutGlobalScope(TenantScope::class)
                ->where('company_id', $cat->company_id)
                ->where('sort_order', $new)
                ->where('id', '!=', $cat->id ?? 0)
                ->exists();

            if ($conflict) {
                static::withoutGlobalScope(TenantScope::class)
                    ->where('company_id', $cat->company_id)
                    ->where('sort_order', '>=', $new)
                    ->where('id', '!=', $cat->id ?? 0)
                    ->increment('sort_order', 10);
            }
        });
    }

    protected $casts = ['sort_order' => 'integer'];

    /** Localized display label — falls back through ru→en→name_ro→name. */
    public function label(?string $locale = null): string
    {
        $locale = $locale ?: app()->getLocale();
        return $this->{"name_{$locale}"}
            ?: $this->name_ro
            ?: $this->name
            ?: '';
    }

    /** Options array keyed by canonical name (stored in labors.category). */
    public static function optionsForSelect(): array
    {
        return static::orderBy('sort_order')->orderBy('name')->get()
            ->mapWithKeys(fn ($c) => [$c->name => $c->label()])
            ->toArray();
    }
}