<?php

declare(strict_types=1);

namespace App\Models;

use App\Enums\ApplicationKind;
use Illuminate\Database\Eloquent\Attributes\Fillable;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Spatie\Translatable\HasTranslations;

/**
 * An answer the inbox gives often enough to write once: "thanks, we'll be in
 * touch", "this call is filled", "here is how we work".
 *
 * Written in every language, because the answer goes out in the one the
 * person wrote in. `{name}`, `{subject}` and `{sender}` are filled in.
 */
#[Fillable(['name', 'kind', 'subject', 'body', 'position'])]
class ReplyTemplate extends Model
{
    use HasFactory, HasTranslations;

    public const PLACEHOLDERS = ['{name}', '{subject}', '{sender}'];

    /**
     * @var array<int, string>
     */
    public array $translatable = ['subject', 'body'];

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

    /**
     * @param  Builder<$this>  $query
     * @return Builder<$this>
     */
    public function scopeFor(Builder $query, ApplicationKind $kind): Builder
    {
        return $query
            ->where(fn (Builder $q) => $q->whereNull('kind')->orWhere('kind', $kind->value))
            ->orderBy('position')
            ->orderBy('name');
    }

    /**
     * Subject and body for one submission, in its language.
     *
     * @return array{subject: string, body: string}
     */
    public function renderFor(Application $application, ?User $sender = null): array
    {
        $values = [$application->name, $application->subject(), $sender?->name ?? (string) config('app.name')];

        return [
            'subject' => str_replace(self::PLACEHOLDERS, $values, (string) $this->getTranslation('subject', $application->locale)),
            'body' => str_replace(self::PLACEHOLDERS, $values, (string) $this->getTranslation('body', $application->locale)),
        ];
    }
}