#include <ftp/mainwnd.hpp>
#include <ftp/ftpdata.hpp>
#include <ftp/hostdlg.hpp>
#include <ftp/logindlg.hpp>
#include <thread/monitor.hpp>
#include <display/editwnd.hpp>
#include <common/openfile.hpp>
#include <common/assert.hpp>

char MainWindow::szClassName[]="FTP Interpreter v2.01";
char MainWindow::szMenuName[]="FTP";

MainWindow::MainWindow(HINSTANCE hInstance)
:	mhInstance(hInstance), mlpEditWindow(0)
{
  mPaintHandler.setCallback(this,&MainWindow::paintHandler);
	mDestroyHandler.setCallback(this,&MainWindow::destroyHandler);
	mCommandHandler.setCallback(this,&MainWindow::commandHandler);
	mKeyDownHandler.setCallback(this,&MainWindow::keyDownHandler);
	mSizeHandler.setCallback(this,&MainWindow::sizeHandler);
	mCreateHandler.setCallback(this,&MainWindow::createHandler);
	mTimerHandler.setCallback(this,&MainWindow::timerHandler);
  mSetFocusHandler.setCallback(this,&MainWindow::setFocusHandler);
	mLineHandler.setCallback(this,&MainWindow::lineHandler);
	mCompletionHandler.setCallback(this,&MainWindow::completionHandler);
  mFTPThread.setCompletionHandler(&mCompletionHandler);
	insertHandlers();
	registerClass();
	::CreateWindow(szClassName,szClassName,
		WS_OVERLAPPED|WS_CAPTION|WS_SYSMENU|WS_SIZEBOX|WS_MINIMIZEBOX|WS_MAXIMIZEBOX|WS_DLGFRAME|WS_CLIPCHILDREN,
		CW_USEDEFAULT,CW_USEDEFAULT,
		CW_USEDEFAULT,CW_USEDEFAULT,
		NULL,NULL,mhInstance,(LPSTR)this);
	show(SW_SHOW);
  update();
	Rect editRect;
	editRect.right(width());
	editRect.bottom(height());
	KeyControl keyControl;
  keyControl.canScroll(TRUE);
	mlpEditWindow=new EditWindow(*this,editRect);
	mEditMonitor=mlpEditWindow;
	mEditMonitor.enter();
	mlpEditWindow->setFont(Font("MS LineDraw",12,Font::PitchFixed|Font::WeightBold));
  mEditMonitor->setKeyControl(keyControl);
	mEditMonitor->setLineHandler(&mLineHandler);
  processCommandLine();
	mEditMonitor.leave();
}

MainWindow::~MainWindow()
{
  mFTPThread.stop();
	if(mlpEditWindow){delete mlpEditWindow;mlpEditWindow=0;}
	destroy();
}

void MainWindow::insertHandlers(void)
{
	insertHandler(VectorHandler::DestroyHandler,&mDestroyHandler);
	insertHandler(VectorHandler::PaintHandler,&mPaintHandler);
	insertHandler(VectorHandler::CommandHandler,&mCommandHandler);
	insertHandler(VectorHandler::SizeHandler,&mSizeHandler);
	insertHandler(VectorHandler::KeyDownHandler,&mKeyDownHandler);
	insertHandler(VectorHandler::CreateHandler,&mCreateHandler);
	insertHandler(VectorHandler::TimerHandler,&mTimerHandler);
  insertHandler(VectorHandler::SetFocusHandler,&mSetFocusHandler);
}

void MainWindow::removeHandlers(void)
{
	removeHandler(VectorHandler::DestroyHandler,&mDestroyHandler);
	removeHandler(VectorHandler::PaintHandler,&mPaintHandler);
	removeHandler(VectorHandler::CommandHandler,&mCommandHandler);
	removeHandler(VectorHandler::SizeHandler,&mSizeHandler);
	removeHandler(VectorHandler::KeyDownHandler,&mKeyDownHandler);
	removeHandler(VectorHandler::CreateHandler,&mCreateHandler);
  removeHandler(VectorHandler::TimerHandler,&mTimerHandler);
  removeHandler(VectorHandler::SetFocusHandler,&mSetFocusHandler);
}

void MainWindow::registerClass(void)const
{
	WNDCLASS wndClass;

	if(::GetClassInfo(mhInstance,className(),(WNDCLASS FAR*)&wndClass))return;
	wndClass.style         =CS_HREDRAW|CS_VREDRAW|CS_DBLCLKS|CS_OWNDC;
	wndClass.lpfnWndProc   =(WNDPROC)Window::WndProc;
	wndClass.cbClsExtra    =0;
	wndClass.cbWndExtra    =sizeof(MainWindow*);
	wndClass.hInstance     =mhInstance;
	wndClass.hIcon         =::LoadIcon(NULL,IDI_APPLICATION);
	wndClass.hCursor       =::LoadCursor(NULL,IDC_ARROW);
	wndClass.hbrBackground =(HBRUSH)::GetStockObject(BLACK_BRUSH);
	wndClass.lpszMenuName  =szMenuName;
	wndClass.lpszClassName =szClassName;
	::RegisterClass(&wndClass);
	assert(0!=::GetClassInfo(mhInstance,className(),(WNDCLASS FAR*)&wndClass));
}

CallbackData::ReturnType MainWindow::destroyHandler(CallbackData &/*someCallbackData*/)
{
  removeHandlers();
  ::PostQuitMessage(0);
	return (CallbackData::ReturnType)FALSE;
}

CallbackData::ReturnType MainWindow::sizeHandler(CallbackData &/*someCallbackData*/)
{
  if(mlpEditWindow)
	{
	  mEditMonitor.enter();
		::MoveWindow((HWND)*((EditWindow*)mEditMonitor),0,0,width(),height(),TRUE);
		mEditMonitor.leave();
	}
	return (CallbackData::ReturnType)FALSE;
}

CallbackData::ReturnType MainWindow::commandHandler(CallbackData &someCallbackData)
{
	switch(someCallbackData.wParam())
	{
	  case CM_EXIT :
		  postMessage(*this,WM_CLOSE,0,0L);
		  break;
		case CM_REMOTEHOST :
		  handleRemoteHost();
			break;
		default :
      break;
	}
	return (CallbackData::ReturnType)FALSE;
}

CallbackData::ReturnType MainWindow::keyDownHandler(CallbackData &/*someCallbackData*/)
{
	return (CallbackData::ReturnType)FALSE;
}

CallbackData::ReturnType MainWindow::paintHandler(CallbackData &/*someCallbackData*/)
{
	return (CallbackData::ReturnType)FALSE;
}

CallbackData::ReturnType MainWindow::createHandler(CallbackData &/*someCallbackData*/)
{
  setTimer(TimerID,250);
  return (CallbackData::ReturnType)FALSE;
}

CallbackData::ReturnType MainWindow::timerHandler(CallbackData &/*someCallbackData*/)
{
	killTimer(TimerID);

  mEditMonitor.enter();
  mEditMonitor->setFocus();
	mEditMonitor->setText(mWSASystem.description());
	mEditMonitor->setText(mWSASystem.systemStatus());
  mFTPThread.setDisplay(mEditMonitor);
  mEditMonitor->setFocus();
	mEditMonitor.leave();
  return (CallbackData::ReturnType)FALSE;
}

CallbackData::ReturnType MainWindow::lineHandler(CallbackData &/*someCallbackData*/)
{
	String lineString;

	mEditMonitor.enter();
	mEditMonitor->getText(lineString,mlpEditWindow->currentLine()-1);
	mEditMonitor.leave();
  lineString.trimRight();
	if(lineString==String("quit"))postMessage(*this,WM_CLOSE,0,0L);
  mFTPThread.interpretLine(lineString);
	return (CallbackData::ReturnType)FALSE;
}

CallbackData::ReturnType MainWindow::setFocusHandler(CallbackData &/*someCallbackData*/)
{
	if(mlpEditWindow)
	{
	  mEditMonitor.enter();
		mEditMonitor->setFocus();
		mEditMonitor.leave();
	}
	return (CallbackData::ReturnType)FALSE;
}

CallbackData::ReturnType MainWindow::completionHandler(CallbackData &someCallbackData)
{
  switch((FTPThread::CompletionCode)someCallbackData.lParam())
	{
	  case FTPThread::LineComplete :
	    mEditMonitor.enter();
		  mEditMonitor->setText(">>Ready.");
		  mEditMonitor.leave();
		  break;
		case FTPThread::FileComplete :
      postMessage(*this,WM_CLOSE,0,0L);
		  break;
	}
  return (CallbackData::ReturnType)FALSE;
}

void MainWindow::processCommandLine(void)
{
	String commandLine(::GetCommandLine());

	commandLine=commandLine.betweenString(' ',0);
	if(commandLine.isNull())return;
	FileHandle cmdFile(commandLine,FileHandle::Read,FileHandle::ShareRead);
	if(!cmdFile.isOkay()){mFTPThread.interpretLine(commandLine);return;}
  cmdFile.close();
	mFTPThread.interpretFile(commandLine);
}

void MainWindow::message(const String &messageString)
{
  mEditMonitor.enter();
	mEditMonitor->setText(messageString);
	mEditMonitor.leave();
}

void MainWindow::message(Block<String> &messageStrings)
{
	for(short itemIndex=0;itemIndex<messageStrings.size();itemIndex++)
	{
	  mEditMonitor.enter();
		mEditMonitor->setText(messageStrings[itemIndex]);
		mEditMonitor.leave();
	}
}

void MainWindow::handleRemoteHost(void)
{
  HostDialog hostDialog;

	if(!hostDialog.performDialog())return;
	mFTPThread.interpretLine(String("open ")+hostDialog.remoteHost());
}