<?php

namespace Modules\PatientFinance\Services;

use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Streamline\Models\ChartOfAccount;
use Streamline\Models\Drug;
use Streamline\Models\EyeGlasses;
use Streamline\Models\OrderedEyeGlasses;
use Streamline\Models\OrderedInvestigation;
use Streamline\Models\OrderedProcedure;
use Streamline\Models\OrderedService;
use Streamline\Models\OrderedSundry;
use Streamline\Models\StaffPerformedService;
use Streamline\Models\Sundry;
use Streamline\Models\TrackReceipt;
use Streamline\Models\Treatment;

class CentralBillingDeposit {
    public function storePayment(Request $request): string
    {

        // global inserts for values - i'm never gonna remember what i meant here :(
        $patient_id = $request->patient_id;
        $episode_id = $request->episode_id;

        // we need to calculate the wallet amount from the wallets used so that it is not added to the calculations
        $wallets_amount = $request->wallets_amount;
        $services_wallet_amount = 0;
        $procedures_wallet_amount = 0;
        $investigations_wallet_amount = 0;
        $treatment_wallet_amount = 0;
        $sundries_wallet_amount = 0;
        $optics_wallet_amount = 0;

        if ($request->services_patient_to_pay_edit > 0 && $wallets_amount > 0) {
            if ($request->services_patient_to_pay_edit > $wallets_amount) {
                $services_wallet_amount = $wallets_amount;
                $wallets_amount = 0;
            } else {
                $services_wallet_amount = $request->services_patient_to_pay_edit;
                $wallets_amount -= $request->services_patient_to_pay_edit;
            }
        }

        if ($request->procedures_patient_to_pay_edit > 0 && $wallets_amount > 0) {
            if ($request->procedures_patient_to_pay_edit > $wallets_amount) {
                $procedures_wallet_amount = $wallets_amount;
                $wallets_amount = 0;
            } else {
                $procedures_wallet_amount = $request->procedures_patient_to_pay_edit;
                $wallets_amount -= $request->procedures_patient_to_pay_edit;
            }
        }

        if ($request->investigations_patient_to_pay_edit > 0 && $wallets_amount > 0) {
            if ($request->investigations_patient_to_pay_edit > $wallets_amount) {
                $investigations_wallet_amount = $wallets_amount;
                $wallets_amount = 0;
            } else {
                $investigations_wallet_amount = $request->investigations_patient_to_pay_edit;
                $wallets_amount -= $request->investigations_patient_to_pay_edit;
            }
        }

        if ($request->treatment_patient_to_pay_edit > 0 && $wallets_amount > 0) {
            if ($request->treatment_patient_to_pay_edit > $wallets_amount) {
                $treatment_wallet_amount = $wallets_amount;
                $wallets_amount = 0;
            } else {
                $treatment_wallet_amount = $request->treatment_patient_to_pay_edit;
                $wallets_amount -= $request->treatment_patient_to_pay_edit;
            }
        }

        if ($request->sundries_patient_to_pay_edit > 0 && $wallets_amount > 0) {
            if ($request->sundries_patient_to_pay_edit > $wallets_amount) {
                $sundries_wallet_amount = $wallets_amount;
                $wallets_amount = 0;
            } else {
                $sundries_wallet_amount = $request->sundries_patient_to_pay_edit;
                $wallets_amount -= $request->sundries_patient_to_pay_edit;
            }
        }

        if ($request->optics_patient_to_pay_edit > 0 && $wallets_amount > 0) {
            if ($request->optics_patient_to_pay_edit > $wallets_amount) {
                $optics_wallet_amount = $wallets_amount;
            } else {
                $optics_wallet_amount = $request->optics_patient_to_pay_edit;
            }
        }

        // update the track_receipt table to include created receipt
        $track_receipts = new TrackReceipt;
        $track_receipts->created_by = Auth::id();
        $track_receipts->reason = "Central Billing";
        $track_receipts->save();
        $receipt_number = sprintf("%04u", $track_receipts->id);

        // check if donor discounts have been applied using null and insert into table
        if($request->donor_discount){
            DepositHelpers::donor_discount_details($patient_id, $episode_id, $receipt_number, $request->patient_discount_amount,
                $request->donor_to_pay, $request->hospital_to_pay_selected_discount, $request->donor_discount, $request->donor_id, 11);
        }

        // add patient to debtors if balance is more than 0
        if ($request->services_patient_to_pay_balance > 0){
            DepositHelpers::debt($patient_id,$episode_id,$request->services_patient_to_pay_balance,$receipt_number,8);
        }

        if ($request->procedures_patient_to_pay_balance > 0){
            DepositHelpers::debt($patient_id,$episode_id,$request->procedures_patient_to_pay_balance,$receipt_number,4);
        }

        if ($request->investigations_patient_to_pay_balance > 0){
            DepositHelpers::debt($patient_id,$episode_id,$request->investigations_patient_to_pay_balance,$receipt_number,2);
        }

        if ($request->treatment_patient_to_pay_balance > 0){
            DepositHelpers::debt($patient_id,$episode_id,$request->treatment_patient_to_pay_balance,$receipt_number,3);
        }

        if ($request->sundries_patient_to_pay_balance > 0){
            DepositHelpers::debt($patient_id,$episode_id,$request->sundries_patient_to_pay_balance,$receipt_number,5);
        }

        if ($request->optics_patient_to_pay_balance > 0){
            DepositHelpers::debt($patient_id,$episode_id,$request->optics_patient_to_pay_balance,$receipt_number,19);
        }

        // patient category discount flag
        $discount_status = 0;

        // check if patient has a discount amount more than zero and pay later is not available to them
        // this discount amount is represented as hospital to pay general
        if($request->hospital_to_pay_general_discount > 0){
            // change discount status
            $discount_status = 1;

            DepositHelpers::discount($request->hospital_to_pay_general_discount,$patient_id, $episode_id,$receipt_number,11);
        }

        $is_invoice = 0;
        $filtered_services = [];

        // check if services have been submitted
        if(count($request->service_id) > 0 && $request->service_id[0] != 0){
            $service_ids_array = $request->service_id;
            $service_prices_array = $request->service_amount;
            $service_type_array = $request->service_type;
            $services_order_id_array = $request->services_order_id;
            $services_patient_to_pay_edit = $request->services_patient_to_pay_edit;

            for($i = 0; $i < count($service_prices_array); $i++){
                // update the chart of accounts balance for each service item
                $service_account = get_name($service_ids_array[$i], "id", "account_id", "services");
                $account_balance = get_name($service_account, "id", "balance", "chart_of_accounts");

                $new_balance = $account_balance + (int)$service_prices_array[$i];
                ChartOfAccount::where(['id' => $service_account])->update(['balance' => $new_balance]);

                $filtered_services[$service_type_array[$i]][$services_order_id_array[$i]]["service_id"][] = $service_ids_array[$i];
                $filtered_services[$service_type_array[$i]][$services_order_id_array[$i]]["service_price"][] = $service_prices_array[$i];

                if ($service_prices_array[$i] > $services_patient_to_pay_edit) {
                    $filtered_services[$service_type_array[$i]][$services_order_id_array[$i]]["patient_to_pay"][] = $services_patient_to_pay_edit;
                    $services_patient_to_pay_edit = 0;
                } else {
                    $filtered_services[$service_type_array[$i]][$services_order_id_array[$i]]["patient_to_pay"][] = $service_prices_array[$i];
                    $services_patient_to_pay_edit -= $service_prices_array[$i];
                }
            }
        }

        // check if patient category is of type pay later to generate invoice for that category or to add to normal service payments table
        if($request->pay_later == 1){
            // change invoice flag to show that it is an invoice
            $is_invoice = 1;

            //services
            if($request->service_amount){
                $services_order_id = is_array($request->services_order_id) ? $request->services_order_id : [];
                DepositHelpers::patient_category_invoice($request->patient_category_id, $patient_id,$episode_id,implode(',', $request->service_amount),
                    implode(',', $request->service_id),$receipt_number,8,null, $request->services_category_to_pay, $request->transaction_date, implode(",", $services_order_id));

                // for co-payment people with some cash
                if ($request->services_patient_to_pay_edit > 0) {
                    foreach ($filtered_services as $key => $filtered_service) {
                        foreach ($filtered_service as $order_id => $filtered_service_details) {
                            if (array_sum($filtered_service_details['patient_to_pay']) > $services_wallet_amount) {
                                $differential_wallet_amount = $services_wallet_amount;
                                $services_wallet_amount = 0;
                            } else {
                                $differential_wallet_amount = array_sum($filtered_service_details['patient_to_pay']);
                                $services_wallet_amount -= array_sum($filtered_service_details['patient_to_pay']);
                            }
                            DepositHelpers::service_payment($patient_id,$episode_id,implode(',', $filtered_service_details['service_id']),implode(',', $filtered_service_details['service_price']),$key,$receipt_number,array_sum($filtered_service_details['patient_to_pay']), $order_id, $differential_wallet_amount);
                        }
                    }
                }
            }

            //procedures
            if($request->procedure_ids){
                DepositHelpers::patient_category_invoice($request->patient_category_id, $patient_id,$episode_id,implode(',', $request->procedure_amount),
                    $request->procedure_ids, $receipt_number,4,null, $request->procedures_category_to_pay, $request->transaction_date, $request->procedure_order_ids);

                // for co-payment people with some cash
                if ($request->procedures_patient_to_pay_edit > 0) {
                    DepositHelpers::procedures_payment($patient_id, $episode_id, $request->procedure_ids, implode(',', $request->procedure_amount), $discount_status, $receipt_number, $request->procedures_patient_to_pay_edit, $request->procedure_order_ids, $procedures_wallet_amount);
                }
            }

            //investigations
            if($request->investigation_ids){
                DepositHelpers::patient_category_invoice($request->patient_category_id, $patient_id,$episode_id,implode(',', $request->investigation_amount),
                    $request->investigation_ids, $receipt_number,2,null, $request->investigations_category_to_pay, $request->transaction_date, $request->investigation_order_ids);

                // for co-payment people with some cash
                if ($request->investigations_patient_to_pay_edit > 0) {
                    DepositHelpers::investigation_payment($patient_id, $episode_id, $request->investigation_ids, implode(',', $request->investigation_amount), $discount_status, $receipt_number, $request->investigations_patient_to_pay_edit, $request->investigation_order_ids, $investigations_wallet_amount);
                }
            }

            //treatments
            if($request->treatment_item){
                DepositHelpers::patient_category_invoice($request->patient_category_id, $patient_id,$episode_id,implode(',', $request->treatment_subtotal),
                    implode(',', $request->treatment_item),$receipt_number,3,implode(',', $request->treatment_quantity), $request->treatment_category_to_pay, $request->transaction_date, implode(",", $request->treatment_id));

                // for co-payment people with some cash
                if ($request->treatment_patient_to_pay_edit > 0) {
                    DepositHelpers::treatment_payment($patient_id, $episode_id, $request->treatment_id[0],implode(',', $request->treatment_item),implode(',', $request->treatment_quantity),implode(',', $request->treatment_amount),implode(',',
                        $request->treatment_subtotal), $discount_status, $receipt_number, $request->treatment_patient_to_pay_edit, implode(",", $request->treatment_id), $treatment_wallet_amount);
                }
            }

            //sundries
            if($request->sundry_ids){
                DepositHelpers::patient_category_invoice($request->patient_category_id, $patient_id,$episode_id,implode(',', $request->sundry_subtotal),
                    $request->sundry_ids, $receipt_number,5,implode(',', $request->sundry_quantity), $request->sundries_category_to_pay, $request->transaction_date, $request->sundry_order_ids);

                // for co-payment people with some cash
                if ($request->sundries_patient_to_pay_edit > 0) {
                    DepositHelpers::sundries_payment($patient_id, $episode_id, $request->sundry_ids, implode(',', $request->sundry_quantity),
                        implode(',', $request->sundry_amount), implode(',', $request->sundry_subtotal), $discount_status, $receipt_number, $request->sundries_patient_to_pay_edit, $request->sundry_order_ids, $sundries_wallet_amount);
                }
            }

            //optics
            if($request->optic_ids){
                DepositHelpers::patient_category_invoice($request->patient_category_id, $patient_id,$episode_id,implode(',', $request->optic_subtotal),
                    $request->optic_ids, $receipt_number,19,implode(',', $request->optic_quantity), $request->optics_category_to_pay, $request->transaction_date, $request->optic_order_ids);

                // for co-payment people with some cash
                if ($request->optics_patient_to_pay_edit > 0) {
                    DepositHelpers::eye_glasses_payment($patient_id, $episode_id, $request->optic_ids, implode(',', $request->optic_quantity),
                        implode(',', $request->optic_amount), implode(',', $request->optic_subtotal), $discount_status, $receipt_number, $request->optics_patient_to_pay_edit, $request->optic_order_ids, $optics_wallet_amount);
                }
            }
        }

        // time to get down to the specifics
        foreach ($filtered_services as $key => $filtered_service) {
            foreach ($filtered_service as $order_id => $filtered_service_details) {
                // create a new central billing record
                DepositHelpers::central_billing_payments($patient_id, $episode_id,implode(',', $filtered_service_details['service_price']),implode(',', $filtered_service_details['service_id']),$receipt_number,8,null,array_sum($filtered_service_details['patient_to_pay']),$request->services_category_to_pay, $order_id);

                // check if no invoice has been generated and insert into correct table
                if($is_invoice == 0){
                    if (array_sum($filtered_service_details['patient_to_pay']) > $services_wallet_amount) {
                        $differential_wallet_amount = $services_wallet_amount;
                        $services_wallet_amount = 0;
                    } else {
                        $differential_wallet_amount = array_sum($filtered_service_details['patient_to_pay']);
                        $services_wallet_amount -= array_sum($filtered_service_details['patient_to_pay']);
                    }
                    DepositHelpers::service_payment($patient_id,$episode_id,implode(',', $filtered_service_details['service_id']),implode(',', $filtered_service_details['service_price']),$key,$receipt_number,array_sum($filtered_service_details['patient_to_pay']), $order_id, $differential_wallet_amount);
                }

                // update the payment status for the ordered ids to paid
                OrderedService::where(['id' => $order_id])->update(['payment_status' => 1]);

                // update the receipts for staff payments
                StaffPerformedService::whereIn('id', explode(",", get_name($order_id, 'id', 'performed_id', 'ordered_services')))
                    ->update(['patient_receipt_number' => $receipt_number]);
            }
        }

        if($request->procedure_ids){
            $procedure_ids_array = explode(",", $request->procedure_ids);
            $order_ids_array = explode(",", $request->procedure_order_ids);
            $procedure_amounts_array = $request->procedure_amount;

            // update the chart of accounts balance for each procedure item
            for($i = 0; $i < count($procedure_ids_array); $i++){
                $procedure_account = get_name($procedure_ids_array[$i], "id", "account_id", "procedures");
                $account_balance = get_name($procedure_account, "id", "balance", "chart_of_accounts");

                $new_balance = $account_balance + $procedure_amounts_array[$i];
                ChartOfAccount::where(['id' => $procedure_account])->update(['balance' => $new_balance]);
            }

            // create a new central billing record
            DepositHelpers::central_billing_payments($patient_id, $episode_id,implode(',', $procedure_amounts_array),implode(',', $procedure_ids_array),$receipt_number,4,null,$request->procedures_patient_to_pay_edit,$request->procedures_category_to_pay, $request->procedure_order_ids);

            // check if no invoice has been generated and insert into correct table
            if($is_invoice == 0){
                DepositHelpers::procedures_payment($patient_id, $episode_id, implode(',', $procedure_ids_array), implode(',', $procedure_amounts_array), $discount_status, $receipt_number, $request->procedures_patient_to_pay_edit, $request->procedure_order_ids, $procedures_wallet_amount);
            }

            // update the payment status for the ordered ids to paid
            for($i = 0; $i < count($order_ids_array); $i++){
                OrderedProcedure::where(['id' => $order_ids_array[$i]])->update(['payment_status' => 1]);

                // update the receipts for staff payments
                StaffPerformedService::whereIn('id', explode(",", get_name($order_ids_array[$i], 'id', 'performed_id', 'ordered_procedures')))->update(['patient_receipt_number' => $receipt_number]);
            }
        }

        if($request->investigation_ids){
            $investigation_ids_array = explode(",", $request->investigation_ids);
            $order_ids_array = explode(",", $request->investigation_order_ids);
            $investigation_amounts_array = $request->investigation_amount;

            // update the chart of accounts balance for each service item
            for($i = 0; $i < count($investigation_ids_array); $i++){
                $investigation_account = get_name($investigation_ids_array[$i], "id", "account_id", "investigations");
                $account_balance = get_name($investigation_account, "id", "balance", "chart_of_accounts");

                $new_balance = $account_balance + $investigation_amounts_array[$i];
                ChartOfAccount::where(['id' => $investigation_account])->update(['balance' => $new_balance]);
            }

            // create a new central billing record
            DepositHelpers::central_billing_payments($patient_id, $episode_id,implode(',', $investigation_amounts_array),implode(',', $investigation_ids_array),$receipt_number,2,null,$request->investigations_patient_to_pay_edit,$request->investigations_category_to_pay, $request->investigation_order_ids);

            if($is_invoice == 0){
                DepositHelpers::investigation_payment($patient_id, $episode_id, implode(',', $investigation_ids_array), implode(',', $investigation_amounts_array), $discount_status, $receipt_number, $request->investigations_patient_to_pay_edit, $request->investigation_order_ids, $investigations_wallet_amount);
            }

            // update the payment status for the ordered ids to paid
            for($i = 0; $i < count($order_ids_array); $i++){
                OrderedInvestigation::where(['id' => $order_ids_array[$i]])->update(['payment_status' => 1]);
            }
        }

        if($request->treatment_item){

            $treatment_id_array = $request->treatment_id;
            $treatment_items_array = $request->treatment_item;
            $treatment_subtotals_array = $request->treatment_subtotal;
            $treatment_amounts_array = $request->treatment_amount;
            $treatment_quantity_array = $request->treatment_quantity;

            // update the chart of accounts balance for each treatment item
            for($i = 0; $i < count($treatment_items_array); $i++){
                $treatment_account = get_name($treatment_items_array[$i], "id", "account_id", "drugs");
                $account_balance = get_name($treatment_account, "id", "balance", "chart_of_accounts");

                if (get_inventory_reduction_point() == 2) {
                    $drug = Drug::withTrashed()->find($treatment_items_array[$i]);
                    $current_stock = $drug->pharmacy_stock;
                    $new_stock = $current_stock - $treatment_quantity_array[$i];
                    $drug->pharmacy_stock = $new_stock;
                    $drug->update();
                    /**** batch tracking */
                    $auto_calculated_batches_used = get_pharmacy_batch_watcher_ids_to_use_based_on_needed_quantity($treatment_items_array[$i], 1, $treatment_quantity_array[$i]);
                    foreach ($auto_calculated_batches_used as $batch_number => $batch_qty) {
                        reduce_batch_item_stock(1,$treatment_items_array[$i],$batch_number,'drugs','pharmacy_stock',$batch_qty,'treatments','Drug',$treatment_id_array[0],$patient_id);
                        // reduce_batch_item_from_pharmacy(1, $treatment_items_array[$i], $batch_number, $batch_qty, "treatments", $treatment_id_array[0], $patient_id);
                    }
                    /*** end batch tracking logic **/
                }

                $new_balance = $account_balance + $treatment_subtotals_array[$i];
                ChartOfAccount::where(['id' => $treatment_account])->update(['balance' => $new_balance]);
            }

            // create a new central billing record
            DepositHelpers::central_billing_payments($patient_id, $episode_id,implode(',', $treatment_subtotals_array),implode(',',
                $treatment_items_array),$receipt_number,3,implode(',', $treatment_quantity_array),$request->treatment_patient_to_pay_edit,$request->treatment_category_to_pay, implode(",", $treatment_id_array));

            if($is_invoice == 0){

                if($request->pos == "1"){
                    DepositHelpers::treatment_payment($patient_id, $episode_id, $treatment_id_array[0],implode(',', $treatment_items_array), implode(',', $treatment_quantity_array),implode(',', $treatment_amounts_array),implode(',',
                        $treatment_subtotals_array), $discount_status, $receipt_number, $request->treatment_total, implode(",", $treatment_id_array), $treatment_wallet_amount);

                    // create a new central billing record
                    DepositHelpers::central_billing_payments($patient_id, $episode_id,implode(',', $treatment_subtotals_array),implode(',',
                        $treatment_items_array),$receipt_number,3,implode(',', $treatment_quantity_array),$request->treatment_total, 0, implode(",", $treatment_id_array));

                }else{
                    DepositHelpers::treatment_payment($patient_id, $episode_id, $treatment_id_array[0],implode(',', $treatment_items_array),implode(',', $treatment_quantity_array),implode(',', $treatment_amounts_array),implode(',', $treatment_subtotals_array),
                        $discount_status, $receipt_number, $request->treatment_patient_to_pay_edit, implode(",", $treatment_id_array), $treatment_wallet_amount);
                }
            }
        }

        if ($request->treatment_id) {
            $treatment_id_array = $request->treatment_id;

            // update the payment status for the ordered id to paid
            for($i = 0; $i < count($treatment_id_array); $i++){
                Treatment::where(['id' => $treatment_id_array[$i]])->update(['payment_status' => 1]);
            }
        }

        if($request->sundry_ids){
            $order_ids_array = explode(",", $request->sundry_order_ids);
            $sundry_items_array = explode(",", $request->sundry_ids);
            $sundry_subtotals_array = $request->sundry_subtotal;
            $sundry_amounts_array = $request->sundry_amount;
            $sundry_quantity_array = $request->sundry_quantity;

            // update the chart of accounts balance for each treatment item
            for($i = 0; $i < count($sundry_items_array); $i++){
                $sundry_account = get_name($sundry_items_array[$i], "id", "account_id", "sundries");
                $account_balance = get_name($sundry_account, "id", "balance", "chart_of_accounts");

                //changed and set it to reduce sundries at payment only 
                $sundry = Sundry::withTrashed()->find($sundry_items_array[$i]);
                $current_stock = $sundry->pharmacy_stock;
                $new_stock = $current_stock - $sundry_quantity_array[$i];
                $sundry->pharmacy_stock = $new_stock;
                $sundry->update();
                /**** batch tracking */
                $auto_calculated_batches_used = get_pharmacy_batch_watcher_ids_to_use_based_on_needed_quantity($sundry_items_array[$i], 2, $sundry_quantity_array[$i]);
                foreach ($auto_calculated_batches_used as $batch_number => $batch_qty) {
                    reduce_batch_item_stock(2, $sundry_items_array[$i], $batch_number, 'sundries', 'pharmacy_stock', $batch_qty, 'ordered_sundries', 'Sundry', $order_ids_array[0], $patient_id);
                //    reduce_batch_item_from_pharmacy(2, $sundry_items_array[$i], $batch_number, $batch_qty, "ordered_sundries", $order_ids_array[0], $patient_id);
                }
                /*** end batch tracking logic **/

                $new_balance = $account_balance + $sundry_subtotals_array[$i];
                ChartOfAccount::where(['id' => $sundry_account])->update(['balance' => $new_balance]);
            }

            // create a new central billing record
            DepositHelpers::central_billing_payments($patient_id, $episode_id,implode(',', $sundry_subtotals_array),implode(',', $sundry_items_array),$receipt_number,5,implode(',', $sundry_quantity_array),$request->sundries_patient_to_pay_edit,$request->sundries_category_to_pay, $request->sundry_order_ids);

            if($is_invoice == 0){
                DepositHelpers::sundries_payment($patient_id, $episode_id, implode(',', $sundry_items_array),implode(',', $sundry_quantity_array), implode(',', $sundry_amounts_array), implode(',', $sundry_subtotals_array), $discount_status, $receipt_number, $request->sundries_patient_to_pay_edit, $request->sundry_order_ids, $sundries_wallet_amount);
            }

            // update the payment status for the ordered ids to paid
            for($i = 0; $i < count($order_ids_array); $i++){
                OrderedSundry::where(['id' => $order_ids_array[$i]])->update(['payment_status' => 1]);
            }
        }

        if($request->optic_ids){
            $order_ids_array = explode(",", $request->optic_order_ids);
            $optic_items_array = explode(",", $request->optic_ids);
            $optic_subtotals_array = $request->optic_subtotal;
            $optic_amounts_array = $request->optic_amount;
            $optic_quantity_array = $request->optic_quantity;

            // update the chart of accounts balance for each item
            for($i = 0; $i < count($optic_items_array); $i++){
                $optic_account = get_name($optic_items_array[$i], "id", "account_id", "eye_glasses");
                $account_balance = get_name($optic_account, "id", "balance", "chart_of_accounts");

                $optic = EyeGlasses::withTrashed()->find($optic_items_array[$i]);
                $current_stock = $optic->pharmacy_stock;
                $new_stock = $current_stock - $optic_quantity_array[$i];
                $optic->pharmacy_stock = $new_stock;
                /**** batch tracking */
                $auto_calculated_batches_used = get_lab_batches_to_use_based_on_needed_quantity($optic_items_array[$i], 7, $optic_quantity_array[$i],'pharmacy_stock');
                foreach ($auto_calculated_batches_used as $batch_number => $batch_qty) {
                    reduce_batch_item_from_pharmacy(7, $optic_items_array[$i], $batch_number, $batch_qty, "ordered_eye_glasses", $order_ids_array[0], $patient_id);
                }
                /*** end batch tracking logic **/
                $optic->update();
                

                $new_balance = $account_balance + $optic_subtotals_array[$i];
                ChartOfAccount::where(['id' => $optic_account])->update(['balance' => $new_balance]);
            }

            // create a new central billing record
            DepositHelpers::central_billing_payments($patient_id, $episode_id,implode(',', $optic_subtotals_array),implode(',', $optic_items_array),$receipt_number,19,implode(',', $optic_quantity_array),$request->optics_patient_to_pay_edit,$request->optics_category_to_pay, $request->optic_order_ids);

            if($is_invoice == 0){
                DepositHelpers::eye_glasses_payment($patient_id, $episode_id, implode(',', $optic_items_array),implode(',', $optic_quantity_array), implode(',', $optic_amounts_array), implode(',', $optic_subtotals_array), $discount_status, $receipt_number, $request->optics_patient_to_pay_edit, $request->optic_order_ids, $optics_wallet_amount);
            }

            // update the payment status for the ordered ids to paid
            for($i = 0; $i < count($order_ids_array); $i++){
                OrderedEyeGlasses::where(['id' => $order_ids_array[$i]])->update(['payment_status' => 1]);
            }
        }

        // register one off discount
        if ($request->one_off_discount > 0){
            DepositHelpers::patient_one_off_discount($patient_id,$episode_id,$request->one_off_discount,11,$request->one_off_discount_memo, $receipt_number);
        }

        return $is_invoice . "," . $receipt_number;
    }
}