<?php

namespace App\Http\Requests\Dashboard\Category;

use App\Models\Category;
use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Http\UploadedFile;
use Illuminate\Support\Facades\Storage;
use Illuminate\Support\Str;
use RuntimeException;

class Update extends FormRequest
{
    protected function prepareForValidation()
    {
        if (in_array($this->get('parent_id'), [0, '0', '', 'null', 'NULL'], true)) {
            $this->merge(['parent_id' => null]);
        }
    }

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array
     */
    public function rules()
    {
        if ($this->isMethod('get')) {
            return [];
        }
        return [
            'name' => 'required|array',
            'name.*' => 'required|string',
            'image' => 'nullable',
            'parent_id' => 'nullable|integer|exists:categories,id',
            'popular' => 'nullable',
            'brands' => 'nullable|array',
            'position' => 'nullable|numeric'
        ];
    }

    public function getName(): array
    {
        return $this->get('name');
    }

    public function getSlug(): string
    {
        return Str::slug($this->get('name')['uz']);
    }

    public function getImage(Category $category): ?string
    {
        if ($this->hasFile('image')) {
            Storage::disk('local')->delete($category->image);
            return $this->storeCategoryImage($this->file('image'));
        }

        return $category->image;
    }

    private function storeCategoryImage(UploadedFile $file): string
    {
        $relativeDirectory = 'uploads/categories';
        $directory = public_path($relativeDirectory);

        if (!is_dir($directory) && !mkdir($directory, 0775, true) && !is_dir($directory)) {
            throw new RuntimeException("Category upload directory could not be created: {$directory}");
        }

        if (!is_writable($directory)) {
            throw new RuntimeException("Category upload directory is not writable: {$directory}");
        }

        $fileName = $file->hashName();
        $file->move($directory, $fileName);

        return "{$relativeDirectory}/{$fileName}";
    }

    public function getFilterPower()
    {
        if ($this->get('is_filter_power') == 'true') {
            return true;
        }

        return false;
    }

    public function getPublished()
    {
        if ($this->get('published') == 'true') {
            return true;
        }

        return false;
    }

    public function getCredit()
    {
        if ($this->get('credit') == 'true') {
            return true;
        }

        return false;
    }

    public function getParentId()
    {
        if ((int) $this->get('parent_id') > 0) {
            return (int) $this->get('parent_id');
        }

        return null;
    }

    public function getPosition(): int
    {
        return (int) $this->get('position');
    }

    public function getPopular(): bool
    {
        if ($this->get('popular') == 'false') {
            return false;
        }

        return true;
    }
}