package vitalvinyl.pos.action.pos;

import org.apache.log4j.Logger;
import vitalvinyl.manager.order.InsufficientFundsException;
import vitalvinyl.manager.order.OrderManager;
import vitalvinyl.manager.order.OrderManagerFactory;
import vitalvinyl.model.order.PurchaseItem;
import vitalvinyl.model.order.Payment;
import vitalvinyl.model.media.Media;
import vitalvinyl.model.gear.Gear;
import vitalvinyl.model.promotion.TicketEvent;

import java.io.FileWriter;
import java.io.IOException;
import java.util.Iterator;

public class CloseOrder extends RegisterOrder {

    private static final Logger logger = Logger.getLogger(CloseOrder.class);

    private static final int RECEIPT_COLUMNS = 48;

    public String doDefault() {
        logger.debug("doDefault - start");

        try {

            // find the item
            order = loadOrder();

            //TODO: uncomment when testing on live printer
            printReceipt(prepareCustomerInvoice());

            // do not processRegisterOrder if the order has already been completed
            if (order.isProcessed()) {
                addErrorMessage(getText("order.alreadyprocessed.label"));
                return INPUT;
            }

            logger.debug("Closing order: " + order.getID());

            OrderManager manager = OrderManagerFactory.getManager();
            manager.processRegisterOrder(order);

            return SUCCESS;

        } catch (InsufficientFundsException e) {
            logger.warn(e.getMessage(), e);
            addErrorMessage(getText("order.mustcompletepayment.label"));

        } catch (Exception e) {
            logger.warn(e.getMessage(), e);
            addErrorMessage(e.getMessage());

        } finally {
            logger.debug("doDefault - end");
        }

        return INPUT;
    }

    public String centerString(String input) {
        String output = "";

        int start = RECEIPT_COLUMNS / 2 - (input.length() / 2);

        for (int spaces = 1; spaces < start; spaces++) {
            output += " ";
        }

        output += input;

        return output;
    }

    public String rightJustifyString(String input) {
        String output = "";

        int start = RECEIPT_COLUMNS - input.length();

        for (int spaces = 0; spaces < start; spaces++) {
            output += " ";
        }

        output += input;

        return output;
    }

    private static String pad(String str, int padlen, String pad) {
        String padding = "";

        if (str.length() > Math.abs(padlen)) {
            str = str.substring(0, Math.abs(padlen));
        }

        int len = Math.abs(padlen) - str.length();
        if (len < 1)
            return str;
        for (int i = 0 ; i < len ; ++i) {
            padding = padding + pad;
        }

        return (padlen < 0 ? padding + str : str + padding);
    }

    public String prepareCustomerInvoice() {
        String output = "";

        try {

            output += centerString("Vital Culture") + "\r\n";
            output += centerString("3 West 15th St") + "\r\n";
            output += centerString("Mpls, MN 55403") + "\r\n";
            output += centerString("612.874.8892") + "\r\n";
            output += "\r\n";
            output += "************************************************\r\n";

            for (Iterator itr = mediaItems.iterator(); itr.hasNext();) {
                PurchaseItem purchaseItem = (PurchaseItem) itr.next();
                Media media = (Media) purchaseItem.getItem();

                output += pad(String.valueOf(media.getID()), 7, " ");
                output += pad(media.getArtist().getName(), 15, " ");
                output += pad(media.getName() , 17, " ");
                output += pad(roundMoney(order.getSubTotal(purchaseItem.getID())), -9, " ");
                output += "\r\n";
            }

            for (Iterator itr = gearItems.iterator(); itr.hasNext();) {
                PurchaseItem purchaseItem = (PurchaseItem) itr.next();
                Gear gear = (Gear) purchaseItem.getItem();

                output += pad(String.valueOf(gear.getID()), 7, " ");
                output += pad(gear.getManufacturer().getName(), 15, " ");
                output += pad(gear.getName() , 17, " ");
                output += pad(roundMoney(order.getSubTotal(purchaseItem.getID())), -9, " ");
                output += "\r\n";
            }

            for (Iterator itr = ticketItems.iterator(); itr.hasNext();) {
                PurchaseItem purchaseItem = (PurchaseItem) itr.next();
                TicketEvent ticketEvent = (TicketEvent) purchaseItem.getItem();

                output += pad(String.valueOf(ticketEvent.getID()), 7, " ");
                output += pad(ticketEvent.getPartner().getCompany(), 15, " ");
                output += pad(ticketEvent.getName() , 17, " ");
                output += pad(roundMoney(order.getSubTotal(purchaseItem.getID())), -9, " ");
                output += "\r\n";
            }


            output += rightJustifyString("_________") + "\r\n";
            output += rightJustifyString("Subtotal: " + pad(roundMoney(order.getSubTotal()), -9, " ")) + "\r\n";
            output += rightJustifyString("Tax: " + pad(roundMoney(order.getTax()), -9, " ")) + "\r\n";
            output += rightJustifyString("=========") + "\r\n";
            output += rightJustifyString("Total: " + pad(roundMoney(order.getTotal()), -9, " ")) + "\r\n";
            output += rightJustifyString("=========") + "\r\n";

            for (Iterator itr = order.getPayments().iterator(); itr.hasNext();) {
                Payment payment = (Payment) itr.next();

                if (payment.getCashAmount() > 0) {
                    output += rightJustifyString("Cash: " + pad(roundMoney(payment.getCashAmount()), -9, " ")) + "\r\n";
                } else if (payment.getCreditAmount() > 0) {
                    output += rightJustifyString("Credit: " + "TID: " + payment.getTransactionID() + " " + "***" + payment.getCcLastFour() + " " + payment.getCcExpirationMonth() + "/" + payment.getCcExpirationYear() + "         ") + "\r\n";
                    output += rightJustifyString(pad(roundMoney(payment.getCashAmount()), -9, " ")) + "\r\n";
                } else if (payment.getGiftCertificateAmount() > 0) {
                    output += rightJustifyString("Gift Cert: " + pad(roundMoney(payment.getCashAmount()), -9, " ")) + "\r\n";
                } else if (payment.getCheckAmount() > 0) {
                    output += rightJustifyString("Check: " + "#" + payment.getCheckNumber() + " " + pad(roundMoney(payment.getCashAmount()), -9, " ")) + "\r\n";
                }
            }

            output += rightJustifyString("_________") + "\r\n";

            output += rightJustifyString("Amount Tendered: " + pad(roundMoney(order.getTotalPayments()), -9, " ")) + "\r\n";
            output += rightJustifyString("Change: " + pad(roundMoney(order.remainingDue()), -9, " ")) + "\r\n";
            output += "\r\n";

            String tempInfo = "";

            tempInfo += getAssignedTill().getTillNumber() + " ";
            tempInfo += order.getID() + " ";
            tempInfo += order.getConception() + " ";

            output += centerString(tempInfo) + "\r\n";




            output += "************************************************\r\n";
            output += "  NO RETURNS ON VINYLS AND CDS. FOR CONVENIENT  \r\n";
            output += "  RETURNS/EXCHANGES, PLEASE SAVE YOUR RECIEPT.  \r\n";
            output += "   VISIT US ONLINE AT WWW.VITALCULTURE.COM      \r\n";
            output += "       THANK YOU FOR SHOPPING VITAL!            \r\n";
            output += "************************************************\r\n";
            output += "\r\n";
            output += "\r\n";
            output += "\r\n";
            output += "\r\n";
            output += "\r\n";
            output += "\r\n";
            output += "\r\n";


        } catch (Exception e) {
            logger.warn(e.getMessage(), e);
            addErrorMessage(e.getMessage());

        } finally {
            logger.debug("doDefault - end");
        }
        return output;
    }

    public static void printReceipt(String sText) {
        try {

            FileWriter out = new FileWriter("lpt1");
            //FileWriter out = new FileWriter("c:/receipt.txt");
            out.write(sText);
            //out.write(0x0D); // CR
            out.close();
        }
        catch (IOException e) {
            e.printStackTrace();
        }
    }
}