package ircclient.connection;

import java.net.*;
import java.io.*;
import javax.swing.*;
import ircclient.windows.*;
import ircclient.infos.IRCClient;

public class IRC implements Runnable{

    private winClient wClient;
    private Socket sock=null;
    private DataOutputStream oStream=null;
    private BufferedReader bReader=null;
    private String buffer="";
    private Thread thread;
    private String IrcServer="";
    private int IrcPort=-1;
    public String IrcNick="";
    private String IrcSuffix="";
    public String IrcRoom="";
    public StringBuilder sBuilderOne=new StringBuilder();
    private StringBuilder sBuilderTwo=new StringBuilder();
    private boolean isFirstConnection=true;
    private boolean requestNames=false;
    private boolean isNickInUsed=false;

    public IRC(String irc_server,int irc_port,String irc_nick,String irc_suffix,String irc_room,winClient win) {

       IrcServer=irc_server;
       IrcPort=irc_port;
       IrcNick=irc_nick;
       IrcSuffix=irc_suffix;
       IrcRoom=irc_room;
       wClient=win;

       try {
           sBuilderOne.append("<font color=\"red\">Connecting...</font><br />");

           wClient.editorPaneOne.setText(sBuilderOne.toString());
           sock=new Socket(IrcServer,IrcPort);

           oStream = new DataOutputStream(sock.getOutputStream());
           bReader = new BufferedReader(new InputStreamReader(sock.getInputStream()));

           thread=new Thread(this);
           thread.start();

       }catch(UnknownHostException e) {
            JOptionPane.showMessageDialog(wClient,"An Unknown Host Exception Occurred. The Application Will Exit.",IRCClient.APPLICATION_TITLE + " " + IRCClient.VERSION_NUMBER,JOptionPane.ERROR_MESSAGE);
            System.exit(1);
       }catch(IOException e) {
            JOptionPane.showMessageDialog(wClient,"An Input/Output Exception Occurred. The Application Will Exit.",IRCClient.APPLICATION_TITLE + " " + IRCClient.VERSION_NUMBER,JOptionPane.ERROR_MESSAGE);
            System.exit(1);
       }

    }

    public void closeIRC() {

        if(sock != null) {
            try {
                sock.close();
            }catch(IOException e) {
                    //catch exception
            }
        }

        if(oStream != null) {
            try {
                oStream.close();
            }catch(IOException e) {
                //catch exception
            }

            oStream=null;
        }

        if(bReader != null) {
            try {
                bReader.close();
            }catch(IOException e) {
                //catch exception
            }

            bReader=null;
        }

        thread=null;
    }

    public void send(String msg) {
        try {
            oStream.writeBytes(msg);
        }catch(IOException e) {
        }catch(NullPointerException e) {
        }

    }

    //method to override (Runnable)
    public void run() {

        String[] str=null;
        String msg="";
        String nck="";
        boolean isEnd = false;
        int Posi = 0;

        while(true) {
            try {
                if(buffer != null) {
                    buffer=bReader.readLine();
                    System.out.println(buffer); //for debugging

                    if(buffer.contains("Checking Ident")) {
                        sBuilderOne.append("<font color=\"red\">Registering...</font><br />");
                        wClient.editorPaneOne.setText(sBuilderOne.toString());
                        send("NICK " + IrcNick + "\r\n"); //send nickname
                    }else if(buffer.contains("No Ident response")) {
                        send("USER " + IrcNick + " \"" + IrcNick + ".com\" \"" + IrcServer + "\" :" + IrcNick + " robot\r\n");
                    }else if(buffer.contains("End of /MOTD command")) {
                        sBuilderOne.append("<font color=\"red\">Joining...</font><br />");
                        wClient.editorPaneOne.setText(sBuilderOne.toString());
                        send("JOIN #" + IrcRoom + "\r\n"); //join channel

                    }else if(buffer.contains("End of /NAMES list")) {
                        if(isFirstConnection) {
                            isFirstConnection=false;
                            sBuilderOne.append("<font color=\"red\">Connected...</font><br />");
                            wClient.editorPaneOne.setText(sBuilderOne.toString());
                            wClient.txtMsg.setEditable(true);
                            wClient.txtMsg.requestFocus();

                        }
                    }else if(buffer.contains("353") && requestNames == true) {
                        isEnd=false;
                        Posi=0;
                        sBuilderTwo.setLength(0);
                        wClient.editorPaneTwo.setText("");

                        while(!isEnd) {
                            try {
                                str=buffer.split(" = ");
                                str=str[1].split("#" + IrcRoom + " :");
                                str=str[1].split(" ");
                            }catch(ArrayIndexOutOfBoundsException e) {
                                str=buffer.split(" @ ");
                                str=str[1].split("#" + IrcRoom + " :");
                                str=str[1].split(" ");
                            }

                            for(int n=0;n<str.length;n++) {
                                sBuilderTwo.append("<a href=\"" + str[n] + "\">" + str[n] + "</a><br />");
                            }

                            Posi+=str.length;
                            str=null;
                            buffer=bReader.readLine();

                            if(buffer.contains("366")) {
                                isEnd=true;
                                Posi=0;
                            }

                        }

                        wClient.editorPaneTwo.setText(sBuilderTwo.toString());
                        requestNames=false;
                    }else if(buffer.contains("JOIN :#" + IrcRoom)) {
                        send("NAMES #" + IrcRoom + "\r\n");
                        requestNames = true;
                        //dito ilalagay ang autoresponder na welcome to channel
                        //get the nick
                        str = buffer.split(":");
                        str=str[1].split("!");
                        nck=str[0];
                        str=null;

                        if(!(nck.equals(IrcNick) || nck.equals(IrcNick + IrcSuffix))) {
                            send("PRIVMSG #" + IrcRoom + " :Magandang " + IRCClient.getMeridiem() + " sa'yo " + nck + "." + wClient.getQuitLog(nck.trim()) + "\r\n"); //the welcome autoresponder
                        }

                        //update the quit log
                        wClient.updateQuitLog(nck.trim());

                    }else if(buffer.contains("QUIT") || buffer.contains("NICK :")) {
                        send("NAMES #" + IrcRoom + "\r\n");
                        requestNames = true;
                    }else if(buffer.contains("PRIVMSG " + IrcNick)) {

                        str = buffer.split(":");
                        str=str[1].split("!");
                        nck=str[0];

                        if(isNickInUsed) {
                            str=buffer.split("PRIVMSG " + IrcNick + IrcSuffix + " :");
                        }else {
                            str=buffer.split("PRIVMSG " + IrcNick + " :");
                        }

                        msg=str[1];
                        str = null;

                        if(nck.contains("frigg")) {
                            if(msg.contains("VERSION")) {
                                send("NOTICE frigg :.VERSION " + IRCClient.APPLICATION_TITLE  + " " + IRCClient.VERSION_NUMBER + "\r\n");
                            }
                        }else{
                            sBuilderOne.append("<font color=\"blue\"><b>" + nck + "</b>: " + msg + "</font><br />");
                            wClient.editorPaneOne.setText(sBuilderOne.toString());
                        }

                    }else if(buffer.contains("PRIVMSG #" + IrcRoom)) {

                        str = buffer.split(":");
                        str=str[1].split("!");
                        nck=str[0];

                        str=buffer.split("PRIVMSG #" + IrcRoom + " :");
                        msg=str[1];

                        str = null;
                        sBuilderOne.append("<font color=\"f26522\"><b>" + nck + "</b>: " + msg + "</font><br />");
                        wClient.editorPaneOne.setText(sBuilderOne.toString());

                        //set the bot command here
                        //eto yung channel chat
                        if(msg.trim().equals("!oras")) {
                            send("PRIVMSG #" + IrcRoom + " :Ang oras ay " + IRCClient.getTime() + ".\r\n");
                        }else if(msg.trim().equals("!petsa")) {
                            send("PRIVMSG #" + IrcRoom + " :Ang petsa ay " + IRCClient.getDate() + ".\r\n");
                        }else if(msg.contains("!php")) {
                            wClient.sendPHPFunction(msg.trim().replace("!php", "").trim());
                        }


                    }else if(buffer.contains("PING :")) {
                        send(buffer.replace("PING","PONG") + "\r\n");
                        System.out.println("Ponging");
                    }else if(buffer.contains("Nickname is already in use")) {
                        isNickInUsed=true;
                        send("NICK " + IrcNick + IrcSuffix + "\r\n");
                        sBuilderOne.append("<font color=\"red\">Nick in used..Registering Again...</font><br />");
                        wClient.editorPaneOne.setText(sBuilderOne.toString());
                    }else if(buffer.contains("Erroneous Nickname")) {
                        JOptionPane.showMessageDialog(wClient,"Invalid Nickname. The Application Will Exit.",IRCClient.APPLICATION_TITLE + " " + IRCClient.VERSION_NUMBER,JOptionPane.ERROR_MESSAGE);
                        System.exit(1);
                    }else if(buffer.contains("This nickname is registered")) {
                        //hindi pa supported ang paglologin ng nick
                        JOptionPane.showMessageDialog(wClient,"NickName Already Registered. The Application Will Exit.",IRCClient.APPLICATION_TITLE + " " + IRCClient.VERSION_NUMBER,JOptionPane.ERROR_MESSAGE);
                        System.exit(1);
                    }
                }
            }catch(IOException e) {

            }
        }

    }
    //end of method to override (Runnable)

}