<?php

namespace App\Http\Controllers\Bo;

use App\Enums\Approaches\ApproachTypeEnum;
use App\Http\Controllers\Controller;
use App\Http\Requests\Bo\Products\StoreProductRequest;
use App\Http\Requests\Bo\Products\UpdateProductRequest;
use App\Models\Approach;
use App\Models\Claim;
use App\Models\IncoNutritionalValue;
use App\Models\Meat;
use App\Models\Product;
use App\Models\ProductType;
use App\Models\Range;
use App\Models\Submeat;
use App\Models\Subrange;
use App\Traits\Controllers\ChangesModelOrder;
use App\Traits\Controllers\UpdateModelPublished;
use Illuminate\Contracts\View\View;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\Pagination\LengthAwarePaginator;
use Illuminate\Support\Arr;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Str;

class ProductController extends Controller
{
    use ChangesModelOrder;
    use UpdateModelPublished;

    /**
     * Create the controller instance.
     */
    public function __construct()
    {
        $this->authorizeResource(Product::class);
    }

    /**
     * Display a listing of the resource.
     */
    public function index(Request $request): View
    {
        /** @var \Illuminate\Database\Eloquent\Builder $productModels */
        $productModels = Product::query()->with('ratings')->withAvg('ratings', 'rate');

        /** @var string $search Search field */
        $search = $request->search;
        if ($search) {
            $this->searchQuery(
                $productModels,
                $search,
                null,
                'label',
            );
        }
        $searchFields = \implode(', ', [
            trans('validation.custom.label'),
        ]);

        /** Sort columns with a query */
        $this->sortQuery($productModels);

        /** Custom pagination */
        $productModels = $this->paginate($productModels);

        return view('bo.pages.products.index', compact('productModels', 'search', 'searchFields'));
    }

    /**
     * Show the specified resource.
     */
    public function show(Product $product): View
    {
        return view('bo.pages.products.show', ['productModel' => $product]);
    }

    /**
     * Show the form for creating a new resource.
     */
    public function create(Product $product): View
    {
        return view('bo.pages.products.create', [
            'productModel'           => $product,
            'rangeModels'            => $this->getModelsPaginate((new Range())->query()),
            'subrangeModels'         => $this->getModelsPaginate((new Subrange())->query()),
            'meatModels'             => $this->getModelsPaginate((new Meat())->query()),
            'submeatModels'          => $this->getModelsPaginate((new Submeat())->query()),
            'approachDemarchModels'  => $this->getModelsPaginate(
                Approach::query()->where('type', ApproachTypeEnum::demarche),
                'name'
            ),
            'approachLabelModels'    => $this->getModelsPaginate(
                Approach::query()->where('type', ApproachTypeEnum::label),
                'name'
            ),
            'productTypeModels'      => $this->getModelsPaginate((new ProductType())->query()),
            'claimModels'            => $this->getModelsPaginate((new Claim())->query()),
        ]);
    }

    /**
     * Store a newly created resource in storage.
     */
    public function store(StoreProductRequest $request): RedirectResponse
    {
        return DB::transaction(function () use ($request) {
            $product = new Product();
            $product->fill(Arr::except(
                $request->validated(),
                ['labels', 'productTypes', 'claims', 'nutritionnal_values']
            ));

            if ($product->saveOrFail()) {
                $product->labels()->sync(collect($request->validated()['labels'] ?? [])->pluck('id'));
                $product->productTypes()->sync(collect($request->validated()['productTypes'] ?? [])->pluck('id'));
                $product->claims()->sync(collect($request->validated()['claims'] ?? [])->pluck('id'));

                $nutritionnalValueModel = new IncoNutritionalValue();
                $nutritionnalValueModel->fill(Arr::first($request->safe()->only('nutritionnal_values')));
                $nutritionnalValueModel->product()->associate($product);

                if ($nutritionnalValueModel->saveOrFail()) {
                    return redirect()->route('bo.products.edit', $product)
                        ->with('success', trans('crud.messages.has_been_created', [
                            'model' => Str::ucfirst(trans('models.classes.product')),
                        ]));
                }
            }

            return redirect()->back()
                ->with('error', trans('crud.messages.cannot_be_created', [
                    'model' => Str::ucfirst(trans('models.classes.product')),
                ]));
        });
    }

    /**
     * Show the form for editing the specified resource.
     */
    public function edit(Product $product): View
    {
        return view('bo.pages.products.edit', [
            'productModel'           => $product,
            'nutritionnalValueModel' => $product->getNutritionnalValue(),
            'rangeModels'            => $this->getModelsPaginate((new Range())->query()),
            'subrangeModels'         => $this->getModelsPaginate((new Subrange())->query()),
            'meatModels'             => $this->getModelsPaginate((new Meat())->query()),
            'submeatModels'          => $this->getModelsPaginate((new Submeat())->query()),
            'approachDemarchModels'  => $this->getModelsPaginate(
                Approach::query()->where('type', ApproachTypeEnum::demarche),
                'name'
            ),
            'approachLabelModels'    => $this->getModelsPaginate(
                Approach::query()->where('type', ApproachTypeEnum::label),
                'name'
            ),
            'productTypeModels'      => $this->getModelsPaginate((new ProductType())->query()),
            'claimModels'            => $this->getModelsPaginate((new Claim())->query()),
        ]);
    }

    /**
     * Update the specified resource in storage.
     */
    public function update(UpdateProductRequest $request, Product $product): RedirectResponse
    {
        return DB::transaction(function () use ($request, $product) {
            $product->fill(Arr::except(
                $request->validated(),
                ['labels', 'productTypes', 'claims', 'nutritionnal_values']
            ));
            $product->labels()->sync(collect($request->validated()['labels'] ?? [])->pluck('id'));
            $product->productTypes()->sync(collect($request->validated()['productTypes'] ?? [])->pluck('id'));
            $product->claims()->sync(collect($request->validated()['claims'] ?? [])->pluck('id'));

            $nutritionnalValueModel = $product->getNutritionnalValue();
            if (is_null($nutritionnalValueModel)) {
                $nutritionnalValueModel = new IncoNutritionalValue();
                $nutritionnalValueModel->product()->associate($product);
            }
            $nutritionnalValueModel->fill(Arr::first($request->safe()->only('nutritionnal_values')));

            if ($product->saveOrFail() && $nutritionnalValueModel->saveOrFail()) {
                return redirect()->route('bo.products.edit', $product)
                    ->with('success', trans('crud.messages.has_been_updated', [
                        'model' => Str::ucfirst(trans('models.classes.product')),
                    ]));
            }

            return redirect()->route('bo.products.edit', $product)
                ->with('error', trans('crud.messages.cannot_be_updated', [
                    'model' => Str::ucfirst(trans('models.classes.product')),
                ]));
        });
    }

    /**
     * Remove the specified resource from storage.
     */
    public function destroy(Product $product): RedirectResponse
    {
        /** @var array<string,string> */
        $previousQueries = [];
        \parse_str(\parse_url(url()->previous(), \PHP_URL_QUERY), $previousQueries);
        if ($product->deleteOrFail()) {
            return redirect()->route('bo.products.index', $previousQueries)
                ->with('success', trans('crud.messages.has_been_deleted', [
                    'model' => Str::ucfirst(trans('models.classes.product')),
                ]));
        }

        return redirect()->back()
            ->with('error', trans('crud.messages.cannot_be_deleted', [
                'model' => Str::ucfirst(trans('models.classes.product')),
            ]));
    }

    /**
     * Duplicate the specified resource.
     */
    public function duplicate(Product $product): View
    {
        return $this->create($product->replicate());
    }

    /**
     * Undocumented function
     */
    private function getModelsPaginate(
        Builder $query,
        string $fieldName = 'label'
    ): LengthAwarePaginator {
        return $query->where('published', true)
            ->orderBy($fieldName, 'ASC')
            ->paginate(10);
    }
}