<?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;
use App\Http\Transformers\SelectlistTransformer;

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',
            'created_at',
            'updated_at',
            'users_count',
            'assets_count',
            'licenses_count',
            'accessories_count',
            'consumables_count',
            'components_count',
        ];

        $companies = Company::withCount('assets as assets_count','licenses as licenses_count','accessories as accessories_count','consumables as consumables_count','components as components_count','users as users_count');

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

        $offset = (($companies) && (request('offset') > $companies->count())) ? 0 : request('offset', 0);

        // Check to make sure the limit is not higher than the max allowed
        (config('app.max_results') >= $request->input('limit')) ? $limit = $request->input('limit') : $limit = config('app.max_results');
        
        $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('update', 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;
            }
        }

    }

    /**
     * Gets a paginated collection for the select2 menus
     *
     * @author [A. Gianotto] [<snipe@snipe.net>]
     * @since [v4.0.16]
     * @see \App\Http\Transformers\SelectlistTransformer
     *
     */
    public function selectlist(Request $request)
    {

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

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

        $companies = $companies->orderBy('name', 'ASC')->paginate(50);

        // Loop through and set some custom properties for the transformer to use.
        // This lets us have more flexibility in special cases like assets, where
        // they may not have a ->name value but we want to display something anyway
        foreach ($companies as $company) {
            $company->use_image = ($company->image) ? url('/').'/uploads/companies/'.$company->image : null;
        }

        return (new SelectlistTransformer)->transformSelectlist($companies);
    }
}