<?php

namespace App\Http\Controllers\Api;

use App\Http\Transformers\CompaniesTransformer;
use Illuminate\Http\Request;
use App\Http\Controllers\Controller;
use App\Helpers\Helper;
use App\Models\Company;

class CompaniesController extends Controller
{
    /**
     * Display a listing of the resource.
     *
     * @author [A. Gianotto] [<snipe@snipe.net>]
     * @since [v4.0]
     * @return \Illuminate\Http\Response
     */
    public function index(Request $request)
    {
        $this->authorize('view', Company::class);

        $allowed_columns = ['id','name'];

        $companies = Company::withCount('assets','licenses','accessories','consumables','components','users')
            ->withCount('users')->withCount('users')->withCount('assets')
            ->withCount('licenses')->withCount('accessories')
            ->withCount('consumables')->withCount('components');

        if ($request->has('search')) {
            $companies->TextSearch($request->input('search'));
        }

        $offset = $request->input('offset', 0);
        $limit = $request->input('limit', 50);
        $order = $request->input('order') === 'asc' ? 'asc' : 'desc';
        $sort = in_array($request->input('sort'), $allowed_columns) ? $request->input('sort') : 'created_at';
        $companies->orderBy($sort, $order);

        $total = $companies->count();
        $companies = $companies->skip($offset)->take($limit)->get();
        return (new CompaniesTransformer)->transformCompanies($companies, $total);

    }


    /**
     * Store a newly created resource in storage.
     *
     * @author [A. Gianotto] [<snipe@snipe.net>]
     * @since [v4.0]
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\Response
     */
    public function store(Request $request)
    {
        $this->authorize('create', Company::class);
        $company = new Company;
        $company->fill($request->all());

        if ($company->save()) {
            return response()->json(Helper::formatStandardApiResponse('success', (new CompaniesTransformer)->transformCompany($company), trans('admin/companies/message.create.success')));
        }
        return response()
            ->json(Helper::formatStandardApiResponse('error', null, $company->getErrors()));

    }

    /**
     * Display the specified resource.
     *
     * @author [A. Gianotto] [<snipe@snipe.net>]
     * @since [v4.0]
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function show($id)
    {
        $this->authorize('view', Company::class);
        $company = Company::findOrFail($id);
        return (new CompaniesTransformer)->transformCompany($company);

    }


    /**
     * Update the specified resource in storage.
     *
     * @author [A. Gianotto] [<snipe@snipe.net>]
     * @since [v4.0]
     * @param  \Illuminate\Http\Request  $request
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function update(Request $request, $id)
    {
        $this->authorize('edit', Company::class);
        $company = Company::findOrFail($id);
        $company->fill($request->all());

        if ($company->save()) {
            return response()
                ->json(Helper::formatStandardApiResponse('success', (new CompaniesTransformer)->transformCompany($company), trans('admin/companies/message.update.success')));
        }

        return response()
            ->json(Helper::formatStandardApiResponse('error', null, $company->getErrors()));
    }

    /**
     * Remove the specified resource from storage.
     *
     * @author [A. Gianotto] [<snipe@snipe.net>]
     * @since [v4.0]
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function destroy($id)
    {
       $this->authorize('delete', Company::class);
       $company = Company::findOrFail($id);
            $this->authorize('delete', $company);

        try {
            $company->delete();
            return response()
                ->json(Helper::formatStandardApiResponse('success', null,  trans('admin/companies/message.delete.success')));
        } catch (\Illuminate\Database\QueryException $exception) {
            /*
                 * NOTE: This happens when there's a foreign key constraint violation
                 * For example when rows in other tables are referencing this company
                 */
            if ($exception->getCode() == 23000) {
                return response()
                    ->json(Helper::formatStandardApiResponse('error', null,  trans('admin/companies/message.assoc_users')));

            } else {
                throw $exception;
            }
        }

    }

    /**
     * Display a formatted JSON response for the select2 menus
     *
     * @todo: create a transformer for handling these responses
     * @author [A. Gianotto] [<snipe@snipe.net>]
     * @since [v4.0]
     *
     * @return \Illuminate\Http\Response
     */
    public function selectlist(Request $request)
    {
        $this->authorize('view', Company::class);

        $companies = Company::select([
            'companies.id',
            'companies.name',
            'companies.image',
        ]);


        if ($request->has('search')) {
            $companies = $companies->where('companies.name', 'LIKE', '%'.$request->get('search').'%');
        }

        $companies = $companies->paginate(50);
        $companies_array = [];

        foreach ($companies as $company) {
            $companies_array[] =
                [
                    'id' => (int) $company->id,
                    'text' => e($company->name),
                    'image' => ($company->image) ? url('/').'/uploads/companies/'.$company->image : null,
                ];
        }

        array_unshift($companies_array, ['id'=> '', 'text'=> trans('general.select_company'), 'image' => null]);

        $results = [
            'items' => $companies_array,
            'pagination' =>
                [
                    'more' => ($companies->currentPage() >= $companies->lastPage()) ? false : true,
                    'per_page' => $companies->perPage()
                ],
            'total_count' => $companies->total(),
            'page' => $companies->currentPage(),
            'page_count' => $companies->lastPage()
        ];

        return $results;
    }
}