<?php
namespace App\Http\Controllers\Api;

use App\Models\AssetModel;
use App\Models\Asset;
use App\Http\Controllers\Controller;
use App\Helpers\Helper;
use Illuminate\Http\Request;
use App\Http\Transformers\AssetModelsTransformer;
use App\Http\Transformers\AssetsTransformer;
use App\Http\Transformers\SelectlistTransformer;


/**
 * This class controls all actions related to asset models for
 * the Snipe-IT Asset Management application.
 *
 * @version    v4.0
 * @author [A. Gianotto] [<snipe@snipe.net>]
 */
class AssetModelsController 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', AssetModel::class);
        $allowed_columns = ['id','image','name','model_number','eol','notes','created_at','manufacturer'];

        $assetmodels = AssetModel::select(['models.id','models.image','models.name','model_number','eol','models.notes','models.created_at','category_id','manufacturer_id','depreciation_id','fieldset_id', 'models.deleted_at'])
            ->with('category','depreciation', 'manufacturer','fieldset')
            ->withCount('assets');

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

        if ($request->has('status')) {
            $assetmodels->onlyTrashed();
        }


        $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') : 'models.created_at';

        switch ($sort) {
            case 'manufacturer':
                $assetmodels->OrderManufacturer($order);
                break;
            default:
                $assetmodels->orderBy($sort, $order);
                break;
        }


        $total = $assetmodels->count();
        $assetmodels = $assetmodels->skip($offset)->take($limit)->get();
        return (new AssetModelsTransformer)->transformAssetModels($assetmodels, $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', AssetModel::class);
        $assetmodel = new AssetModel;
        $assetmodel->fill($request->all());

        if ($assetmodel->save()) {
            return response()->json(Helper::formatStandardApiResponse('success', $assetmodel, trans('admin/models/message.create.success')));
        }
        return response()->json(Helper::formatStandardApiResponse('error', null, $assetmodel->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', AssetModel::class);
        $assetmodel = AssetModel::withCount('assets')->findOrFail($id);
        return (new AssetModelsTransformer)->transformAssetModel($assetmodel);
    }

    /**
     * Display the specified resource's assets
     *
     * @author [A. Gianotto] [<snipe@snipe.net>]
     * @since [v4.0]
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function assets($id)
    {
        $this->authorize('view', AssetModel::class);
        $assets = Asset::where('model_id','=',$id)->get();
        return (new AssetsTransformer)->transformAssets($assets, $assets->count());
    }


    /**
     * 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', AssetModel::class);
        $assetmodel = AssetModel::findOrFail($id);
        $assetmodel->fill($request->all());
        $assetmodel->fieldset_id = $request->get("custom_fieldset_id");

        if ($assetmodel->save()) {
            return response()->json(Helper::formatStandardApiResponse('success', $assetmodel, trans('admin/assetmodels/message.update.success')));
        }

        return response()->json(Helper::formatStandardApiResponse('error', null, $assetmodel->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', AssetModel::class);
        $assetmodel = AssetModel::findOrFail($id);
        $this->authorize('delete', $assetmodel);

        if ($assetmodel->assets()->count() > 0) {
            return response()->json(Helper::formatStandardApiResponse('error', null,  trans('admin/models/message.assoc_users')));
        }

        if ($assetmodel->image) {
            try  {
                unlink(public_path().'/uploads/models/'.$assetmodel->image);
            } catch (\Exception $e) {
                \Log::error($e);
            }
        }

        $assetmodel->delete();
        return response()->json(Helper::formatStandardApiResponse('success', null,  trans('admin/assetmodels/message.delete.success')));

    }

    /**
     * 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)
    {
        $this->authorize('view', AssetModel::class);

        $assetmodels = AssetModel::select([
            'models.id',
            'models.name',
            'models.image',
            'models.model_number',
        ]);


        if ($request->has('search')) {
            $assetmodels = $assetmodels->where('models.name', 'LIKE', '%'.$request->get('search').'%')
                ->orWhere('models.model_number', 'LIKE', '%'.$request->get('search').'%');
        }
        $assetmodels = $assetmodels->paginate(50);

        foreach ($assetmodels as $assetmodel) {
            $assetmodel->use_text = $assetmodel->present()->modelName;
            $assetmodel->use_image = ($assetmodel->image) ? url('/').'/uploads/models/'.$assetmodel->image : null;
        }

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

}