public function store(Request $request){
        try {
            // dd($request);
            $produk = $request->produk;
            $qty = $request->qty;
            $harga = $request->harga;
            $harga_grosir = $request->harga_grosir;
            $jenis_transaksi = $request->jenis_transaksi;
            $jumlah_bayar = $request->jumlah_bayar;
            $customer = $request->customer;
            $diskon = $request->diskon;
            $deposit = $request->deposit;
            $buy = $request->buy;
            $set_jenis_transaksi = $request->set_jenis_transaksi;

            // if($deposit == ''){
            //     return response()->json([
            //         'pesan'=>'gagal',
            //         // 'data'=>'Kembalian Rp. '.number_format($kembalian,0)
            //         'data'=>'deposit kosong'
            //     ]);
            // }else{
            //     return response()->json([
            //         'pesan'=>'gagal',
            //         // 'data'=>'Kembalian Rp. '.number_format($kembalian,0)
            //         'data'=>'deposit ada'
            //     ]);
            // }

            $kembalian = 0;

            // cek total
            $total_nya = 0;
            foreach ($produk as $e => $pd) {
                if($jenis_transaksi[$e] == 1){
                    $harganya = $harga[$e];
                    // $jenis =
                }elseif ($jenis_transaksi[$e] == 2) {
                    $harganya = $harga_grosir[$e];
                }else{
                    $harganya = 0;
                }

                $total_nya += (Int)$qty[$e] * (Int)$harganya;


            }

            $total_nya -= $diskon;

            if($jumlah_bayar < $total_nya){
                $kurang_nya = $total_nya - $jumlah_bayar;
                return response()->json([
                    'pesan'=>'gagal',
                    // 'data'=>'Kembalian Rp. '.number_format($kembalian,0)
                    'data'=>'uang Kurang Rp. '.number_format($kurang_nya,0)
                ]);
            }

            $cek = \DB::transaction(function()use($produk,$qty,$harga,$harga_grosir,$jenis_transaksi,$jumlah_bayar,$customer,$diskon,$buy,$set_jenis_transaksi){
                $header = Sales::insertGetId([
                    'no_struk'=>'sales-'.rand(),
                    'customer'=>$customer,
                    'diskon'=>$diskon,
                    'jenis'=>'cash',
                    'is_lunas'=>1,
                    'created_at'=>date('Y-m-d H:i:s'),
                    'updated_at'=>date('Y-m-d H:i:s')
                ]);

                foreach ($produk as $e => $pd) {
                    if($jenis_transaksi[$e] == 1){
                        $harganya = $harga[$e];
                        // $jenis =
                    }elseif ($jenis_transaksi[$e] == 2) {
                        $harganya = $harga_grosir[$e];
                    }else{
                        $harganya = 0;
                    }

                    if($set_jenis_transaksi == 'eceran'){
                        $harganya = $harga[$e];
                        $jenis_transaksi[$e] = 1;
                    }elseif ($set_jenis_transaksi == 'grosir') {
                        $harganya = $harga_grosir[$e];
                        $jenis_transaksi[$e] = 2;
                    }elseif ($set_jenis_transaksi == 'free') {
                        $harganya = 0;
                        $jenis_transaksi[$e] = 3;
                    }

                    Sales_line::insert([
                        'sales'=>$header,
                        'produk'=>$pd,
                        'buy'=>$buy[$e],
                        'harga'=>$harganya,
                        'jenis_transaksi'=>$jenis_transaksi[$e],
                        'qty'=>$qty[$e],
                        'grand_total'=>(Int)$qty[$e] * (Int)$harganya
                    ]);

                    $dt = M_produk::find($pd);
                    $qty_now = $dt->stock;
                    $qty_new = $qty_now - $qty[$e];
                    M_produk::where('id',$pd)->update([
                        'stock'=>$qty_new
                    ]);
                }

                $sum_total = Sales_line::where('sales',$header)->sum('grand_total');
                $sum_total -= $diskon;

                $kembalian = $jumlah_bayar - $sum_total;

                $total_buy = Sales_line::where('sales',$header)->sum('buy');

                $bersih = $sum_total - $total_buy;

                Sales::where('id',$header)->update([
                    'bersih'=>$bersih,
                    'grand_total'=>$sum_total,
                    'jumlah_bayar'=>$jumlah_bayar,
                    'kembalian'=>$kembalian
                ]);

                // if($jumlah_bayar < $sum_total){
                //     return response()->json([
                //         'pesan'=>'gagal',
                //         'data'=>'Uang Kurang'
                //     ]);
                // }

            // \Session::flash('sukses','Kembalian Rp. '.number_format($kembalian,0));

                $data['sum_total'] = $sum_total;
                $data['kembalian'] = $kembalian;
                return $data;

            });



            return response()->json([
                'pesan'=>'sukses',
                // 'data'=>'Kembalian Rp. '.number_format($kembalian,0)
                'data'=>'Sukses, Kembalian : Rp. '.number_format($cek['kembalian'])
            ]);

        } catch (\Exception $e) {
            return response()->json([
                'pesan'=>'gagal',
                'data'=>$e->getMessage()
            ]);
        }
        // return redirect()->back();
    }