/*
  Copyright 2003 Rikard Björklind, Mikael Gransell

  This file is part of dc-qt.

  dc-qt is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.
  
  dc-qt is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
  
  You should have received a copy of the GNU General Public License
  along with dc-qt; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#include <qdatetime.h>
#include <qtextedit.h>
#include <qstylesheet.h>
#include <qlineedit.h>
#include <qlayout.h>
#include <qlabel.h>
#include <qpushbutton.h>

#include "dc_settings.h"
#include "chatwdgt.h"
#include "chatedit.h"

ChatWdgt::ChatWdgt(bool priv,QWidget *parent,const char *name) : QWidget(parent,name)
{
  is_priv = priv;

  QGridLayout *layout = new QGridLayout(this,2,3);
  chatText = new QTextEdit(this, "chat text");
  chatText->setTextFormat( is_priv ? PlainText : RichText );
  chatText->setReadOnly( true );
  chatText->viewport()->setFocus();
  
  if (is_priv) 
    chatEdit = new QLineEdit(this, "priv chat edit");
  else {
    chatEdit = (QLineEdit*) new ChatEdit(this, "pub chat edit");
    connect( chatEdit, SIGNAL( messageStr(const QString &) ), this, SLOT( addChatStr(const QString &) ) );
  }
  
  QLabel *laban = new QLabel("Chat:",this,"chatlabel");
  connect( chatEdit, SIGNAL( returnPressed() ), this, SLOT( handleReturn() ) );

//  QPushButton *btn = new QPushButton("X",this,"CloseButton");
//  connect( btn, SIGNAL(pressed()), this, SLOT( emitClose() ) );
//  if( !priv ) btn->setDisabled(true);
//  btn->setFlat(true);
  
  layout->addMultiCellWidget( chatText,0,0,0,2 );
  layout->addWidget( laban, 1,0);
  layout->addWidget( chatEdit, 1,1);
  //layout->addWidget( btn, 1,2);
}


void ChatWdgt::addChatStr(const QString& str)
{
  bool show_timestamp = (settings.get_setting("chat_timestamp") == "true");

  QString ts("");  //timestamp
  if (show_timestamp) {
    if (is_priv)
      ts = (QTime::currentTime()).toString(QString("[hh:mm] "));
    else
      ts = (QTime::currentTime()).toString(QString("<b><tt>[hh:mm] </tt></b>"));
  }

  if (is_priv) {
    chatText->append(ts + str);
  } else {
    bool nick_highlight = (settings.get_setting("nick_highlight") == "true");

    QString hl_on(""), hl_off("");  //highlight
    QString usr(""); //user nick
    QString msg(""); //message

    int i = str.find('>', 0) + 1;
    int j = str.find(' ', 0) + 1;
    
    if (i==0 || i>j) { // this is a user "emote" or a list of possible nick completions
      i = j-1; //str.find(' ', 0);
    }
    
    usr = QString("%1 ").arg((QStyleSheet::escape(str.left(i))).leftJustify(12, ' '));
    msg = QStyleSheet::escape(str.right(str.length() - (i+1)));      

    if (settings.get_setting("nick").length()>3  && msg.contains(settings.get_setting("nick"))>0) {
      if (nick_highlight) {
        hl_on = QString("<b><u>");
        hl_off = QString("</u></b>");
      }
      // move the nick of the person who talked to this user last to the front of the list
      ((ChatEdit*)chatEdit)->moveCompletionToFront( usr );
    }

    chatText->append(ts+hl_on+"<tt>"+usr+"</tt>"+hl_off+msg);
  }
}

void ChatWdgt::handleReturn()
{
  emit newChatStr( chatEdit->text(), this );
  chatEdit->clear();
}

void ChatWdgt::emitClose()
{
  emit close(this);
}


bool ChatWdgt::is_private()
{
  return is_priv;
}