<?php

    namespace App\Http\Controllers;

    use Illuminate\Http\Request;
    use App\Http\Requests\StorePackageRequest;
    use App\Package;
    use App\User;

    class PackageController extends Controller
    {
        public function index( Request $request )
        {
            $user = auth( 'api' )->user();

            if ( $user->hasRole( 'User' ) ) {
                return \MessageResponse::error( 'You dont have access to this section!' );
            }

            $Packages = Package::
            when( $user->cant( 'showAll' , Package::class ) , function ( $query ) use ( $user ) {
                if ( $user->hasRole( 'Supervisor' ) ) {
                    $query->whereHas( 'user' , function ( $query ) use ( $user ) {
                        $query->where( 'medical_center_id' , $user->medical_center_id );
                    } );
                }
            } )
                ->when( $request->has( 'name' ) && $request->name != '' , function ( $query ) use ( $request ) {
                    $query->where( 'name' , 'LIKE' , '%' . $request->name . '%' );
                } )
                ->when( $request->has( 'udi' ) && $request->udi != '' , function ( $query ) use ( $request ) {
                    $query->where( 'udi' , 'LIKE' , '%' . $request->udi . '%' );
                } )
                ->when( $request->has( 'package_id' ) && $request->package_id != '' , function ( $query ) use ( $request ) {
                    $query->where( 'id' , $request->package_id );
                } )
                ->when( $request->has( 'medical_center_id' ) && $request->medical_center_id != '' && $request->medical_center_id != 'undefined' , function ( $query ) use ( $request ) {
                    $query->whereHas( 'user' , function ( $query ) use ( $request ) {
                        $query->where( 'medical_center_id' , $request->medical_center_id );
                    } );
                } )
                ->with( [ 'user' => function ( $query ) {
                    $query->select( 'id' , 'name' , 'medical_center_id' );
                } ,
                    'user.medical_center' => function ( $query ) {
                        $query->select( 'id' , 'name' );
                    } ] )->orderByDesc( 'id' )->paginate( 10 );

            return \MessageResponse::data( $Packages );
        }

        public function create()
        {

        }

        public function show( Package $Package )
        {
            $Package->load( [ 'user' => function ( $query ) {
                $query->select( 'id' , 'name' , 'medical_center_id' );
            } ,
                'user.medical_center' => function ( $query ) {
                    $query->select( 'id' , 'name' );
                } ,
                'items' ] );
            return \MessageResponse::data( $Package );
        }

        public function store( StorePackageRequest $request )
        {
            // $UniqueID = substr(base_convert(sha1(uniqid(mt_rand())), 16, 36), 0, 10);
            $PackageData = [
                'name' => $request->name ,
                'unique_id' => $request->unique_id ,
                'note' => $request->note ,
                'udi' => $request->udi ,
                'user_id' => auth( 'api' )->user()->id ,
                'verified' => 'NotVerified' ,
            ];
            $PackageObj = Package::create( $PackageData );
            $Items = [];
            $count = 1;
            foreach ( $request->items as $key => $item ) {
                if ( array_key_exists( $item[ 'id' ] , $Items ) ) {
                    $preCount = $Items[ $item[ 'id' ] ];
                    $Items[ $item[ 'id' ] ] = $preCount + 1;
                } else {
                    $Items[ $item[ 'id' ] ] = $count;
                }
            }

            foreach ( $Items as $Item => $Count ) {
                $PackageObj->items()->attach( array( $Item ) , [ 'count' => $Count ] );
            }
            return \MessageResponse::success( trans( 'messages.success' ) );
        }

        public function edit( Package $Package )
        {
            $Items = [];
            $Package->load( 'items' );
            foreach ( $Package->items as $item ) {
                for ( $i = 0 ; $i < $item->pivot->count ; $i++ ) {
                    $Items[] = (object) array( 'id' => $item->id , 'name' => $item->name );
                }
            }
            unset( $Package->items );
            $Package->items = $Items;
            return \MessageResponse::data( $Package );
        }

        public function update( StorePackageRequest $request , Package $Package )
        {
            $Package->update( $request->except( [ 'items' ] ) );
            $Items = [];
            $count = 1;
            foreach ( $request->items as $key => $item ) {
                if ( array_key_exists( $item[ 'id' ] , $Items ) ) {
                    $preCount = $Items[ $item[ 'id' ] ];
                    $Items[ $item[ 'id' ] ] = $preCount + 1;
                } else {
                    $Items[ $item[ 'id' ] ] = $count;
                }
            }

            $Package->items()->detach();

            foreach ( $Items as $Item => $Count ) {
                $Package->items()->attach( array( $Item ) , [ 'count' => $Count ] );
            }

            return \MessageResponse::success( trans( 'messages.success' ) );
        }

        public function destroy( Package $Package )
        {
            if ( auth( 'api' )->user()->cant( 'delete' , $Package ) ) {
                return \MessageResponse::error( trans( 'messages.access_denied' ) );
            }
            if ( count( $Package->items ) ) {
                $Package->items()->detach();
            }
            if ( count( $Package->labels ) ) {
                $Package->labels()->delete();
            }
            $Package->delete();
            return \MessageResponse::success( trans( 'messages.success' ) );
        }

        public function verifyPackage( Package $Package )
        {
            if ( auth( 'api' )->user()->cant( 'verifyPackage' , $Package ) ) {
                return \MessageResponse::error( trans( 'You dont have permission' ) );
            }
            if ( $Package->verified == 'Verified' ) {
                $Package->verified = 'NotVerified';
            } else {
                $Package->verified = 'Verified';
            }
            $Package->save();
            $Package = $Package->load( 'user' );
            return \MessageResponse::success( trans( 'messages.success' ) , null , $Package );
        }

        public function getPackages()
        {
            $user = auth( 'api' )->user();

            $Packages = Package::
            when( $user->cant( 'showAll' , Package::class ) , function ( $query ) use ( $user ) {
                if ( $user->hasRole( 'Supervisor|User' ) ) {
                    $query->whereHas( 'user' , function ( $query ) use ( $user ) {
                        $query->where( 'medical_center_id' , $user->medical_center_id );
                    } );
                }
            } )
                ->with( [ 'user' => function ( $query ) {
                    $query->select( 'id' , 'name' , 'medical_center_id' );
                } ,
                    'user.medical_center' => function ( $query ) {
                        $query->select( 'id' , 'name' );
                    } ] )->get();

            return \MessageResponse::data( $Packages );

        }

        public function showPackage( Package $Package )
        {
            $Package->load( [ 'user' => function ( $query ) {
                $query->select( 'id' , 'name' , 'medical_center_id' );
            } ,
                'user.medical_center' => function ( $query ) {
                    $query->select( 'id' , 'name' );
                } ,
                'items' ] );
            return \MessageResponse::data( $Package );
        }
    }