// ConsoleTicTacToe.cpp

// (c) Markus Lumpe, CS 229 Spring 2007

#include <iostream>
#include <cctype>

#include "TicTacToe.h"

class ConsoleView : public TicTacToeView
{
private:
	string fPlayers[2];
	bool fComputerPlayer[2];
	TicTacToe* fModel;
	int fPlayerId;

	void performMove( int aMove )
	{
		fModel->setField( aMove, fPlayerId) ;
		fModel->isGameOver( fPlayerId );
		fPlayerId = ++fPlayerId % 2;
	}

	void performPlayerMove()
	{
		for ( ; ; )
		{
			int lRow;
			int lColumn;
			cout << "Player " << fPlayers[fPlayerId] << " make a move: " << flush;
			try
			{
				int lNumber;
				
				cin >> lNumber;
					
				lRow = lNumber / 10 - 1;
				lColumn = lNumber % 10 - 1;
				performMove( lRow * 3 + lColumn ); 
				break;
			}
			catch (MoveException& e)
			{
				cout << "Illegal move (" << lRow+1 << "," << lColumn+1 << ")! Try again." << endl;
			}
		}
	}

	void performComputerMove()
	{
		int lMove = fModel->performComputerMove( (fPlayerId + 1) % 2, fPlayerId );
		int lRow = lMove / 3;
		int lColumn = lMove % 3;
		
		cout << fPlayers[fPlayerId] << "'s move: (" << lRow+1 << "," << lColumn+1 << ")" << endl;
		performMove( lMove );
	}

	char getFieldString( int aIndex )
	{
		char Result = '_';

		switch ( fModel->getField( aIndex ) )
		{
			case 0:
				Result = 'O';
				break;
			case 1:
				Result = 'X';
				break;
		}
		return Result;
	}

public:
	ConsoleView()
	{
		TicTacToe( *this );
			
		cout << "Name of the 1. player: " << flush;
		cin >>	fPlayers[0];
		cout << "Name of the 2. player: " << flush;
		cin >> fPlayers[1];
		cout << "The board:" << endl;
		printBoard();
		fPlayerId = 0;
		for ( int i = 0; i < 2; i++ )
		{
			string lTest("");
			
			for ( unsigned int j = 0; j < fPlayers[i].size(); j++ )
				lTest += toupper( fPlayers[i][j] );
			
			if ( lTest == "COMPUTER" )
				fComputerPlayer[i] = true;
			else
				fComputerPlayer[i] = false;
		}

		// game loop
		while ( fModel->isActive() )
		{
			if ( fComputerPlayer[fPlayerId] )
				performComputerMove();
			else
				performPlayerMove();
		}
	}
	
	virtual ~ConsoleView()
	{
		cout << "Deleting ConsoleView ..." << endl;	
	}

	void registerGame( TicTacToe* aGame )
	{
		fModel = aGame;
	}

	void printBoard()
	{
		cout << getFieldString( 0 ) << ' ' <<  
				getFieldString( 1 ) << ' ' << 
				getFieldString( 2 ) << endl;
		cout << getFieldString( 3 ) << ' ' <<  
				getFieldString( 4 ) << ' ' << 
				getFieldString( 5 ) << endl;
		cout << getFieldString( 6 ) << ' ' <<  
				getFieldString( 7 ) << ' ' << 
				getFieldString( 8 ) << endl;
	}
                        
	void draw()
	{
		cout << "Game over!" << endl;
	}

	void declareWinner( int aPlayer )
	{
		cout << "Player " << fPlayers[aPlayer] << " has won!" << endl;
	}
};

int main()
{
	ConsoleView lView;

	return 0;	
}