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<?php

namespace App\Http\Controllers\Shop;

use App\Models\Category;
use App\Models\PaymentMethod;
use Illuminate\Http\Request;
use Illuminate\Support\Str;

class CategoryController extends Controller
{
    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function index()
    {
        $categories = Category::getAllCategory();

        return view('backend.category.index', [
            'categories' => $categories
        ]);
    }

    /**
     * Show the form for creating a new resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function create()
    {
        $parent_cats = Category::where('is_parent', 1)->where('status', 'active')->orderBy('title', 'ASC')->get();
        $payment_methods = PaymentMethod::all();

        return view('backend.category.create', [
            'parent_cats' => $parent_cats,
            'payment_methods' => $payment_methods,
        ]);
    }

    /**
     * Store a newly created resource in storage.
     *
     * @param Request $request
     *
     * @return \Illuminate\Http\Response
     */
    public function store(Request $request)
    {
        $this->validate($request, [
            'title' => 'string|required',
            'summary' => 'string|nullable',
            'photo' => 'string|nullable',
            'status' => 'required|in:active,inactive',
            'is_parent' => 'sometimes|in:1',
            'parent_id' => 'nullable|exists:categories,id',
            'payment_method_id' => 'nullable|exists:payment_methods,id',
        ]);

        $data = $request->all();
        $slug = Str::slug($request->input('title'));
        $count = Category::where('slug', $slug)->count();

        if ($count > 0) {
            $slug = $slug . '-' . date('ymdis') . '-' . mt_rand(0, 999);
        }

        $data['slug'] = $slug;
        $data['is_parent'] = $request->input('is_parent', 0);

        if (Category::create($data)) {
            request()->session()->flash('success', 'Category successfully added');
        } else {
            request()->session()->flash('error', 'Error occurred, Please try again!');
        }

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

    /**
     * Display the specified resource.
     *
     * @param int $id
     *
     * @return \Illuminate\Http\Response
     */
    public function show($id)
    {
    }

    /**
     * Show the form for editing the specified resource.
     *
     * @param int $id
     *
     * @return \Illuminate\Http\Response
     */
    public function edit($id)
    {
        $category = Category::findOrFail($id);
        $parent_cats = Category::where('is_parent', 1)->where('status', 'active')->orderBy('title', 'ASC')->get();
        $payment_methods = PaymentMethod::all();

        return view('backend.category.edit', [
            'category' => $category,
            'parent_cats' => $parent_cats,
            'payment_methods' => $payment_methods,
        ]);
    }

    /**
     * Update the specified resource in storage.
     *
     * @param int $id
     * @param Request $request
     *
     * @return \Illuminate\Http\Response
     */
    public function update(Request $request, $id)
    {
        $category = Category::findOrFail($id);

        $this->validate($request, [
            'title' => 'string|required',
            'summary' => 'string|nullable',
            'photo' => 'string|nullable',
            'status' => 'required|in:active,inactive',
            'is_parent' => 'sometimes|in:1',
            'parent_id' => 'nullable|exists:categories,id',
            'payment_method_id' => 'sometimes|exists:payment_methods,id',
            'sort_order' => 'sometimes|numeric'
        ]);

        $data = $request->all();
        $slug = Str::slug($request->input('title'));
        $data['is_parent'] = $request->input('is_parent', 0);
        $data['slug'] = $slug;

        if ($category->fill($data)->save()) {
            request()->session()->flash('success', 'Category successfully updated');
        } else {
            request()->session()->flash('error', 'Error occurred, Please try again!');
        }

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

    /**
     * Remove the specified resource from storage.
     *
     * @param int $id
     *
     * @return \Illuminate\Http\Response
     */
    public function destroy($id)
    {
        $category = Category::findOrFail($id);
        $child_cat_id = Category::where('parent_id', $id)->pluck('id');
        // return $child_cat_id;
        $status = $category->delete();

        if ($status) {
            if (count($child_cat_id) > 0) {
                Category::shiftChild($child_cat_id);
            }
            request()->session()->flash('success', 'Category successfully deleted');
        } else {
            request()->session()->flash('error', 'Error while deleting category');
        }

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

    public function getChildByParent(Request $request)
    {
        // return $request->all();
        $category = Category::findOrFail($request->id);
        $child_cat = Category::getChildByParentID($request->id);
        // return $child_cat;
        if (count($child_cat) <= 0) {
            return response()->json(['status' => false, 'msg' => '', 'data' => null]);
        } else {
            return response()->json(['status' => true, 'msg' => '', 'data' => $child_cat]);
        }
    }
}