<?php

namespace App\Livewire\Concerns;

use App\Models\Contact;
use Illuminate\Database\Eloquent\Collection;

/**
 * Pressekontakt-Helfer der PM-Editoren (Admin + Customer).
 *
 * Alle vier Editoren lesen die Kontakte einer Firma identisch über den
 * `Contact::forCompany()`-Scope (ohne globale Scopes, sortiert nach Name).
 * Single Source of Truth für die Kontaktauflösung im Editor.
 */
trait InteractsWithPressReleaseContacts
{
    /**
     * @return Collection<int, Contact>
     */
    private function companyContacts(int $companyId): Collection
    {
        if ($companyId <= 0) {
            return new Collection;
        }

        return Contact::forCompany($companyId)
            ->get(['id', 'company_id', 'first_name', 'last_name', 'responsibility', 'phone', 'email']);
    }

    private function companyContact(int $contactId, int $companyId): ?Contact
    {
        if ($contactId <= 0 || $companyId <= 0) {
            return null;
        }

        return Contact::forCompany($companyId)->whereKey($contactId)->first();
    }

    private function defaultContactIdFor(int $companyId): ?int
    {
        if ($companyId <= 0) {
            return null;
        }

        return $this->companyContacts($companyId)->first()?->id;
    }
}