<?php

declare(strict_types=1);

namespace Modules\Content\Http\Requests;

use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Validation\Rule;
use Modules\Content\Models\ContentDocument;

final class SaveContentDocumentRequest extends FormRequest
{
    public function authorize(): bool { return true; }

    public function rules(): array
    {
        $document = $this->route('document');
        return [
            'content_type_id' => ['required','integer','exists:content_types,id'],
            'title' => ['required','string','max:255'],
            'slug' => ['nullable','string','max:255', Rule::unique('content_documents','slug')->ignore($document instanceof ContentDocument ? $document->id : null)],
            'status' => ['required', Rule::in(['draft','published','archived'])],
            'data_json' => ['required','json'],
            'published_at' => ['nullable','date'],
            'expires_at' => ['nullable','date','after:published_at'],
        ];
    }

    public function payload(): array
    {
        $validated = $this->validated();
        $validated['slug'] = filled($validated['slug'] ?? null) ? $validated['slug'] : str($validated['title'])->slug();
        $validated['data'] = json_decode($validated['data_json'], true, flags: JSON_THROW_ON_ERROR);
        unset($validated['data_json']);
        return $validated;
    }
}