<?php

namespace App\Http\Requests\Admin;

use Illuminate\Foundation\Http\FormRequest;

class StoreDocumentRequest extends FormRequest
{
    public function authorize(): bool
    {
        return $this->user()->canManageDocuments();
    }

    public function rules(): array
    {
        $maxSizeKb = config('knowledgebase.upload.max_file_size', 20480);

        return [
            'category_id'    => ['required', 'integer', 'exists:categories,id'],
            'title'          => ['required', 'string', 'max:255'],
            'description'    => ['nullable', 'string', 'max:1000'],
            'file'           => [
                'required',
                'file',
                'mimes:pdf',
                "max:{$maxSizeKb}",
            ],
            'effective_date' => ['nullable', 'date'],
            'expiry_date'    => ['nullable', 'date', 'after_or_equal:effective_date'],
            'tags'           => ['nullable', 'array'],
            'tags.*'         => ['string', 'max:50'],
            'language'       => ['nullable', 'in:ms,en'],
            'change_notes'   => ['nullable', 'string', 'max:500'],
        ];
    }

    public function messages(): array
    {
        $maxMb = round(config('knowledgebase.upload.max_file_size', 20480) / 1024);

        return [
            'category_id.required' => 'Kategori wajib dipilih.',
            'category_id.exists'   => 'Kategori tidak wujud.',
            'title.required'       => 'Tajuk dokumen wajib diisi.',
            'file.required'        => 'Fail PDF wajib diupload.',
            'file.mimes'           => 'Hanya fail PDF yang dibenarkan.',
            'file.max'             => "Saiz fail tidak boleh melebihi {$maxMb}MB.",
            'expiry_date.after_or_equal' => 'Tarikh luput mesti selepas atau sama dengan tarikh kuat kuasa.',
        ];
    }
}