<?php

namespace App\Http\Livewire\Admin\Article;

use App\Http\Livewire\ConvertEmptyStringsToNull;
use App\Http\Livewire\General;
use App\Models\Article;
use App\Models\Category;
use App\Models\Product;
use Illuminate\Support\Facades\DB;
use Illuminate\Validation\Rule;
use Livewire\Component;
use Livewire\WithFileUploads;

class Edit extends Component
{
    use ConvertEmptyStringsToNull, General, WithFileUploads;

    public Article $article;

    public $categories;

    public $category_id;

    public $image;

    public $file_manager_access;

    public $can_change_status;

    public $faq;

    public $productCategories;

    public $product_category_id = [];

    protected $listeners = ['imageChanged'];

    public function addItem()
    {
        array_push($this->faq, [
            'question' => null,
            'answer' => null,
        ]);
    }

    public function removeItem($index)
    {
        unset($this->faq[$index]);
    }

    public function mount($categories, $categoryId)
    {
        $this->categories = $categories;
        $this->category_id = $categoryId;
        $this->file_manager_access = auth()->user()->can('file-manager access');
        $this->can_change_status = auth()->user()->can('change status');
        $this->faq = $this->article->faq ?: [];
        $this->productCategories = Category::query()
            ->where('type', Product::class)
            ->whereDoesntHave('children')
            ->get(['id', 'name']);
        $this->product_category_id = $this->article->productCategories()->pluck('id')->toArray();
    }

    protected function rules()
    {
        return [
            'article.title' => 'required|string|max:250',
            'article.slug' => 'required|string|max:250|alpha_dash|unique:articles,slug,'.$this->article->id,
            'article.image' => 'nullable|max:250|string',
            'article.h1' => 'nullable|string|max:250',
            'article.description' => 'required|string|max:250',
            'article.content' => 'required|string|max:60000',
            'article.status' => 'required|in:0,1',
            'category_id.*' => ['nullable', Rule::exists('categories', 'id')->where(function ($query) {
                return $query->where('type', Article::class);
            })],
            'product_category_id.*' => ['nullable', Rule::exists('categories', 'id')->where(function ($query) {
                return $query->where('type', Product::class);
            })],
            'image' => 'nullable|mimes:png,jpeg,jpg|max:1024',
            'faq.*.question' => 'required|max:250',
            'faq.*.answer' => 'required|max:250',
        ];
    }

    protected $validationAttributes = [
        'faq.*.question' => 'سوال',
        'faq.*.answer' => 'جواب',
    ];

    public function render()
    {
        return view('livewire.admin.article.edit');
    }

    public function update()
    {
        $this->validate();

        if ((! $this->file_manager_access) && $this->image) {
            $folder = getFileManagerSharedFolder().'/'.auth()->id().'/articles';
            $this->article->image = 'storage/'.$this->image->store($folder, 'public');
        }
        if (! $this->can_change_status && $this->article->isDirty()) {
            $this->article->status = false;
        }

        $this->article->faq = count($this->faq) ? $this->faq : null;

        DB::transaction(function () {
            $this->article->update();
            $this->article->categories()->sync($this->category_id);
            $this->article->productCategories()->sync($this->product_category_id);
        });
        $this->doneMessage("{$this->article->title} با موفقیت ویرایش شد");

        return redirect()->route('admin.articles.index');
    }

    public function imageChanged($imagePath)
    {
        $this->article->image = ltrim(parse_url($imagePath, PHP_URL_PATH), '/');
    }

    public function nullImage()
    {
        $this->article->image = $this->image = null;
    }
}