Kochan

package com.company;

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.Date;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.Stream;

public class Kochan implements Serializable {
    //fields
    private List<Invoice> invoiceList;
    private long counter;
    private User supplier;

    //Constructor
    public Kochan(){

    }
//    public Kochan(List<Invoice> newInvoiceList, int newCounter, User newSupplier){
//        this.invoiceList = newInvoiceList;
//        this.counter = newCounter;
//        this.supplier = newSupplier;
//    }

    //Getters, setters
    public void addToInvoiceList(Invoice invoice){
        this.invoiceList.add(invoice);
        this.counter++; // ???? or standalone setter?
    }

    public List<Invoice> getInvoiceList(){
        return this.invoiceList;
    }

    public long getCounter(){
        return this.counter;
    }

    public void setSupplier(User user){
        this.supplier = user;
    }

    public User getSupplier(){
        return this.supplier;
    }

    //Methods
    //public getFromFile()
    public boolean getFromFile(){
        List<Invoice> result = new List<Invoice>();
        try (Stream<Invoice> lines = Files.lines(Paths.get("File.txt"))) {
            result.add(lines.collect(Collectors.toList()));
        } catch (IOException e) {
            e.printStackTrace();
            return false;
        }
        return true;
    }

    //public sendToFIle()

    //search by specific date
    public List<Invoice> searchByDate(Date dateToSearch){
        List<Invoice> invoicesSameDate = new List<Invoice>();
        //Date of issue: simple date format
        for(Invoice invoice : this.invoiceList){
            if(invoice.dateOfIssue.compareTo(dateToSearch) == 0 ) invoicesSameDate.add(invoice);
        }
        return invoicesSameDate;
    }

    //overload search by range of dates
    public List<Invoice> searchByDate(Date startDate, Date endDate){
        List<Invoice> invoicesInRange = new List<Invoice>();
        for(Invoice invoice : this.invoiceList){
            if(!(invoice.dateOfIssue.before(startDate) && invoice.dateOfIssue.after(endDate))) invoicesInRange.add(invoice);
        }
        return invoicesInRange;
    }

    //search by items
    public List<Invoice> searchByItem(Goods goodsToSearch){
//        List<Invoice> searchedByItem = new List<Invoice>();
//        for(Invoice invoice : this.invoiceList){
//            for(Goods good : invoice.goods){
//                if(good.nameOfGood.equals(goodsToSearch)) searchedByItem.add(invoice);
//            }
//        }
//        return searchedByItem;

        List<Invoice> result = this.invoiceList.stream().filter(good -> good.nameOfGood.equals(goodsToSearch));
        return result;
    }

    //search by recipient?? search by name, idNumber, id?
    public List<Invoice> searchByRecipientName(String nameToSearch){
        List<Invoice> searchRecipientName = new List<Invoice>();
        for(Invoice invoice : this.invoiceList){
            if(invoice.User.recipient.name.equals(nameToSearch)) searchRecipientName.add(invoice);
        }
        return searchRecipientName;
    }

    //get next free number
    public long getNextFreeNumber(){
        return counter + 1;
    }
}