package com.twitter;

import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.PrintWriter;
import java.util.GregorianCalendar;
import java.util.LinkedList;
import java.util.List;

import com.twitter.api.TwitTerAPI;
import com.twitter.poruke.TwitterPoruka;

public class Twitter implements TwitTerAPI{
	private List<TwitterPoruka> poruke;
	public Twitter() {
		poruke=new LinkedList<>();
	}
	@Override
	public List<TwitterPoruka> vratiPoruke(String korisnik) {
		List<TwitterPoruka> lista=new LinkedList<>();

		for(int i=0;i<poruke.size();i++) {
			int mesec=poruke.get(i).getVreme().get(GregorianCalendar.MONTH);

			if(poruke.get(i).getKorisnik().equals(korisnik) &&
			poruke.get(i).getVreme().get(GregorianCalendar.MONTH)==mesec-1) {
				int noviMesec=mesec-1;
				if(poruke.get(i).getVreme().get(GregorianCalendar.MONTH)==0) {
					noviMesec=11;
				}
				lista.add(poruke.get(i));
			}
		}


		return lista;

	}
	@Override
	public void vratiPoruke(int maxBrojPoruka, String tag) {
		try (FileWriter fw=new FileWriter("pretraga.txt");
				BufferedWriter bw=new BufferedWriter(fw);
				PrintWriter out=new PrintWriter(bw)){
			for(int i=0;i<maxBrojPoruka;i++) {
				if(poruke.get(i).getPoruka().equals
						("#"+poruke.get(i).getPoruka()+"_")) {
					out.print(poruke.get(i).getPoruka());
				}
			}
		} catch (Exception e) {
			System.out.println("Greska");
		}

	}
	@Override
	public void unesi(String korisnik, String poruka) {
		TwitterPoruka p=new TwitterPoruka();
		GregorianCalendar datum=new GregorianCalendar();
		p.setVreme(datum);
		p.setKorisnik(korisnik);
		p.setPoruka(poruka);

		poruke.add(p);

		for(int i=0;i<poruke.size();i++) {
			System.out.println(poruke.get(i).getPoruka());
		}

	}

}