<?php

namespace App\Http\Controllers\Api;

use App\Helpers\Helper;
use App\Http\Controllers\Controller;
use App\Http\Transformers\AssetMaintenancesTransformer;
use App\Models\Asset;
use App\Models\AssetMaintenance;
use App\Models\Company;
use Auth;
use Carbon\Carbon;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Input;

/**
 * This controller handles all actions related to Asset Maintenance for
 * the Snipe-IT Asset Management application.
 *
 * @version    v2.0
 */
class AssetMaintenancesController extends Controller
{


    /**
     *  Generates the JSON response for asset maintenances listing view.
     *
     * @see AssetMaintenancesController::getIndex() method that generates view
     * @author  Vincent Sposato <vincent.sposato@gmail.com>
     * @version v1.0
     * @since [v1.8]
     * @return string JSON
     */
    public function index(Request $request)
    {
        $this->authorize('view', Asset::class);

        $maintenances = AssetMaintenance::select('asset_maintenances.*')->with('asset', 'asset.model', 'asset.location', 'asset.defaultLoc', 'supplier', 'asset.company', 'admin');

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

        if ($request->filled('asset_id')) {
            $maintenances->where('asset_id', '=', $request->input('asset_id'));
        }

        if ($request->filled('supplier_id')) {
            $maintenances->where('supplier_id', '=', $request->input('supplier_id'));
        }

        if ($request->filled('asset_maintenance_type')) {
            $maintenances->where('asset_maintenance_type', '=', $request->input('asset_maintenance_type'));
        }


        // Make sure the offset and limit are actually integers and do not exceed system limits
        $offset = ($request->input('offset') > $maintenances->count()) ? $maintenances->count() : abs($request->input('offset'));
        $limit = app('api_limit_value');

        $allowed_columns = [
                                'id',
                                'title',
                                'asset_maintenance_time',
                                'asset_maintenance_type',
                                'cost',
                                'start_date',
                                'completion_date',
                                'notes',
                                'asset_tag',
                                'asset_name',
                                'user_id',
                                'supplier',
                                'is_warranty',
                            ];
        $order = $request->input('order') === 'asc' ? 'asc' : 'desc';
        $sort = in_array($request->input('sort'), $allowed_columns) ? e($request->input('sort')) : 'created_at';

        switch ($sort) {
            case 'user_id':
                $maintenances = $maintenances->OrderAdmin($order);
                break;
            case 'supplier':
                $maintenances = $maintenances->OrderBySupplier($order);
                break;
            case 'asset_tag':
                $maintenances = $maintenances->OrderByTag($order);
                break;
            case 'asset_name':
                $maintenances = $maintenances->OrderByAssetName($order);
                break;
            default:
                $maintenances = $maintenances->orderBy($sort, $order);
                break;
        }

        $total = $maintenances->count();
        $maintenances = $maintenances->skip($offset)->take($limit)->get();
        return (new AssetMaintenancesTransformer())->transformAssetMaintenances($maintenances, $total);


    }


    /**
     *  Validates and stores the new asset maintenance
     *
     * @see AssetMaintenancesController::getCreate() method for the form
     * @author  Vincent Sposato <vincent.sposato@gmail.com>
     * @version v1.0
     * @since [v1.8]
     * @return string JSON
     */
    public function store(Request $request)
    {
        $this->authorize('update', Asset::class);
        // create a new model instance
        $maintenance = new AssetMaintenance();
        $maintenance->fill($request->all());
        $maintenance->user_id = Auth::id();

        // Was the asset maintenance created?
        if ($maintenance->save()) {
            return response()->json(Helper::formatStandardApiResponse('success', $maintenance, trans('admin/asset_maintenances/message.create.success')));

        }

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

    }

    /**
     *  Validates and stores an update to an asset maintenance
     *
     * @author  A. Gianotto <snipe@snipe.net>
     * @param int $id
     * @param int $request
     * @version v1.0
     * @since [v4.0]
     * @return string JSON
     */
    public function update(Request $request, $id)
    {
        $this->authorize('update', Asset::class);

        if ($maintenance = AssetMaintenance::with('asset')->find($id)) {

            // Can this user manage this asset?
            if (! Company::isCurrentUserHasAccess($maintenance->asset)) {
                return response()->json(Helper::formatStandardApiResponse('error', null, trans('general.action_permission_denied', ['item_type' => trans('admin/asset_maintenances/general.maintenance'), 'id' => $id, 'action' => trans('general.edit')])));
            }

            // The asset this miantenance is attached to is not valid or has been deleted
            if (!$maintenance->asset) {
                return response()->json(Helper::formatStandardApiResponse('error', null, trans('general.item_not_found', ['item_type' => trans('general.asset'), 'id' => $id])));
            }

            $maintenance->fill($request->all());

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

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

        return response()->json(Helper::formatStandardApiResponse('error', null, trans('general.item_not_found', ['item_type' => trans('admin/asset_maintenances/general.maintenance'), 'id' => $id])));

    }

    /**
     *  Delete an asset maintenance
     *
     * @author  A. Gianotto <snipe@snipe.net>
     * @param int $assetMaintenanceId
     * @version v1.0
     * @since [v4.0]
     * @return string JSON
     */
    public function destroy($assetMaintenanceId)
    {
        $this->authorize('update', Asset::class);
        // Check if the asset maintenance exists
        $assetMaintenance = AssetMaintenance::findOrFail($assetMaintenanceId);

        if (! Company::isCurrentUserHasAccess($assetMaintenance->asset)) {
            return response()->json(Helper::formatStandardApiResponse('error', null, 'You cannot delete a maintenance for that asset'));
        }

        $assetMaintenance->delete();

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


    }

    /**
     *  View an asset maintenance
     *
     * @author  A. Gianotto <snipe@snipe.net>
     * @param int $assetMaintenanceId
     * @version v1.0
     * @since [v4.0]
     * @return string JSON
     */
    public function show($assetMaintenanceId)
    {
        $this->authorize('view', Asset::class);
        $assetMaintenance = AssetMaintenance::findOrFail($assetMaintenanceId);
        if (! Company::isCurrentUserHasAccess($assetMaintenance->asset)) {
            return response()->json(Helper::formatStandardApiResponse('error', null, 'You cannot view a maintenance for that asset'));
        }

        return (new AssetMaintenancesTransformer())->transformAssetMaintenance($assetMaintenance);

    }
}