package elements;


import elements.exceptions.ReadErrorListException;

import java.time.LocalDate;
import java.util.*;

/**
 * Created by Guillermo Serrahima on 4/21/16.
 */
public class Chat {
    private static final String DATE_TAG = "Date=";
    private static final String WINNER_TAG = "Winner=";

    public static final String MODE_NORMAL = "mode_normal";
    public static final String MODE_RANDOM_HOUR = "mode_random_hour";
    public static final String MODE_COLORS = "mode_colors";
    public static final String MODE_FAR_WEST = "mode_far_west";

    private String name;
    private Map<String, ArrayList<ChatListItem>> lists;

    public Chat() {
        lists = new HashMap<String, ArrayList<ChatListItem>>();
        name = null;
    }

    public Chat(String n) {
        lists = new HashMap<String, ArrayList<ChatListItem>>();
        name = n;
    }

    public boolean exists(String list) {
        return lists.containsKey(list);
    }

    public void add(String listName, ArrayList<ChatListItem> list) {
        lists.put(listName, list);
    }

    public void add(String list) {
        lists.put(list, new ArrayList<ChatListItem>());
    }

    /*
    public void winPole(String user, int date) throws PoleBlockedException {
        if(!users.containsKey(user)) add(user);
        if(!availablePole())  {
            if(poleWinner != null) throw new PoleBlockedException(poleWinner);
            else throw new PoleBlockedException();
        }
        users.replace(user, users.get(user)+1);



        poleWinner = user;
    }
    */

    public String printList(String list) {
        ArrayList<ChatListItem> l = lists.get(list);
        String s = list + ":\n\n";

        for(int i = 0; i < l.size(); i++) {
            s += l.get(i) + "\n";
        }

        return s.trim();
    }

    public String orderAlphabetically(String list) {
        ArrayList<ChatListItem> toOrder = lists.get(list);

        toOrder.sort(new ChatListItemComparator());

        return "Lista ordenada.\n" + printList(list);
    }

    public ArrayList<List<String>> saveLists() {
        ArrayList<List<String>> listDocs = new ArrayList<List<String>>();
        List<String> lines;

        Iterator it = lists.entrySet().iterator();

        if(name != null) {
            lines = new ArrayList<String>();

            lines.add("#Chat name:");
            lines.add("#" + name);

            listDocs.add(lines);
        }

        while(it.hasNext()) {
            lines = new ArrayList<String>();

            Map.Entry<String, ArrayList<ChatListItem>> entry = (Map.Entry<String, ArrayList<ChatListItem>>) it.next();
            lines.add("#List name:");
            lines.add("#" + entry.getKey());

            ArrayList<ChatListItem> list = entry.getValue();

            for(int i = 0; i < list.size(); i++) {
                lines.add(list.get(i).saveItem());
            }

            listDocs.add(lines);
        }

        return listDocs;
    }

    public void loadList(String listName, List<String> lines) throws ReadErrorListException {
        ArrayList<ChatListItem> list = new ArrayList<ChatListItem>();

        for(int i = 0; i < lines.size(); i++) {
            //Comprueba si la línea es un comentario.
            if(lines.get(i).startsWith("#") || lines.get(i).length() < 1) {
                //do nothing
            }
            //Comprueba si la línea es un comentario. (Windows)
            else if(lines.get(i).startsWith("\uFEFF#")) {
                //do nothing
            }
            else {
                System.out.println("Reading " + lines.get(i));
                String[] reading = lines.get(i).split(";");
                list.add(new ChatListItem(reading[0], Integer.parseInt(reading[1])));
            }
        }
    }
}

class ChatListItemComparator implements Comparator<ChatListItem> {

    @Override
    public int compare(ChatListItem entr1, ChatListItem entr2) {
        return entr1.compareTo(entr2);
    }
}