<?php

namespace Modules\Core\Localization;

use Illuminate\Support\Facades\Event;
use Modules\Core\Localization\Events\TranslationCreated;
use Modules\Core\Localization\Events\TranslationDeleted;
use Modules\Core\Localization\Events\TranslationUpdated;
use Spatie\TranslationLoader\LanguageLine;

class TranslationService
{
    public function create(string $group, string $key, array $text): LanguageLine
    {
        $languageLine = LanguageLine::create([
            'group' => $group,
            'key' => $key,
            'text' => $text,
        ]);

        Event::dispatch(new TranslationCreated($languageLine));

        return $languageLine;
    }

    public function update(LanguageLine $languageLine, string $group, string $key, array $text): LanguageLine
    {
        // Callers (e.g. Filament's EditRecord) may hand us a model instance
        // already filled with the new form values in memory — refresh from the
        // database first so $old reflects what's actually persisted, not what's
        // about to be written.
        $persisted = $languageLine->fresh();

        $old = [
            'group' => $persisted->group,
            'key' => $persisted->key,
            'text' => $persisted->text,
        ];

        $languageLine->update([
            'group' => $group,
            'key' => $key,
            'text' => $text,
        ]);

        Event::dispatch(new TranslationUpdated($languageLine, $old));

        return $languageLine;
    }

    public function delete(LanguageLine $languageLine): void
    {
        $languageLine->delete();

        Event::dispatch(new TranslationDeleted($languageLine));
    }
}