//
// AI.cpp
// TicTacToePractise
//
// Created by Sonar Systems on 17/03/2016.
//
//

#include "AI.h"
#include "Definitions.h"

#include <iostream>

using namespace std;

AI::AI( int playerPiece )
{
this->playerPiece = playerPiece;

if ( O_PIECE == playerPiece )
{
aiPiece = X_PIECE;
}
else
{
aiPiece = O_PIECE;
}

checkMatchVector.push_back( { 0, 2, 1, 2, 2, 2 } );
checkMatchVector.push_back( { 0, 2, 0, 1, 0, 0 } );
checkMatchVector.push_back( { 0, 2, 1, 1, 2, 0 } );
checkMatchVector.push_back( { 2, 2, 1, 2, 0, 2 } );
checkMatchVector.push_back( { 2, 2, 2, 1, 2, 0 } );
checkMatchVector.push_back( { 2, 2, 1, 1, 0, 0 } );
checkMatchVector.push_back( { 0, 0, 0, 1, 0, 2 } );
checkMatchVector.push_back( { 0, 0, 1, 0, 2, 0 } );
checkMatchVector.push_back( { 0, 0, 1, 1, 2, 2 } );
checkMatchVector.push_back( { 2, 0, 2, 1, 2, 2 } );
checkMatchVector.push_back( { 2, 0, 1, 0, 0, 0 } );
checkMatchVector.push_back( { 2, 0, 1, 1, 0, 2 } );
checkMatchVector.push_back( { 0, 1, 1, 1, 2, 1 } );
checkMatchVector.push_back( { 1, 2, 1, 1, 1, 0 } );
checkMatchVector.push_back( { 2, 1, 1, 1, 0, 1 } );
checkMatchVector.push_back( { 1, 0, 1, 1, 1, 2 } );
checkMatchVector.push_back( { 0, 1, 2, 1, 1, 1 } );
checkMatchVector.push_back( { 1, 2, 1, 0, 1, 1 } );
checkMatchVector.push_back( { 0, 2, 2, 0, 1, 1 } );
checkMatchVector.push_back( { 2, 2, 0, 0, 1, 1 } );
checkMatchVector.push_back( { 0, 2, 2, 2, 1, 2 } );
checkMatchVector.push_back( { 0, 0, 2, 0, 1, 0 } );
checkMatchVector.push_back( { 0, 2, 0, 0, 0, 1 } );
checkMatchVector.push_back( { 2, 2, 2, 0, 2, 1 } );
}

void AI::PlacePiece( int ( *gridArray )[3][3], cocos2d::Sprite *gridPieces[3][3], int *gameState )
{
try
{
// check if AI can win
/*CheckSection( , aiPiece, gridArray, gridPieces );
CheckSection( 0, 2, 0, 1, 0, 0, aiPiece, gridArray, gridPieces );
CheckSection( 0, 2, 1, 1, 2, 0, aiPiece, gridArray, gridPieces );

CheckSection( 2, 2, 1, 2, 0, 2, aiPiece, gridArray, gridPieces );
CheckSection( 2, 2, 2, 1, 2, 0, aiPiece, gridArray, gridPieces );
CheckSection( 2, 2, 1, 1, 0, 0, aiPiece, gridArray, gridPieces );

CheckSection( 0, 0, 0, 1, 0, 2, aiPiece, gridArray, gridPieces );
CheckSection( 0, 0, 1, 0, 2, 0, aiPiece, gridArray, gridPieces );
CheckSection( 0, 0, 1, 1, 2, 2, aiPiece, gridArray, gridPieces );

CheckSection( 2, 0, 2, 1, 2, 2, aiPiece, gridArray, gridPieces );
CheckSection( 2, 0, 1, 0, 0, 0, aiPiece, gridArray, gridPieces );
CheckSection( 2, 0, 1, 1, 0, 2, aiPiece, gridArray, gridPieces );

CheckSection( 0, 1, 1, 1, 2, 1, aiPiece, gridArray, gridPieces );
CheckSection( 1, 2, 1, 1, 1, 0, aiPiece, gridArray, gridPieces );
CheckSection( 2, 1, 1, 1, 0, 1, aiPiece, gridArray, gridPieces );
CheckSection( 1, 0, 1, 1, 1, 2, aiPiece, gridArray, gridPieces );

CheckSection( 0, 1, 2, 1, 1, 1, aiPiece, gridArray, gridPieces );
CheckSection( 1, 2, 1, 0, 1, 1, aiPiece, gridArray, gridPieces );
CheckSection( 0, 2, 2, 0, 1, 1, aiPiece, gridArray, gridPieces );
CheckSection( 2, 2, 0, 0, 1, 1, aiPiece, gridArray, gridPieces );
CheckSection( 0, 2, 2, 2, 1, 2, aiPiece, gridArray, gridPieces );
CheckSection( 0, 0, 2, 0, 1, 0, aiPiece, gridArray, gridPieces );
CheckSection( 0, 2, 0, 0, 0, 1, aiPiece, gridArray, gridPieces );
CheckSection( 2, 2, 2, 0, 2, 1, aiPiece, gridArray, gridPieces );*/

for ( int i = 0; i < checkMatchVector.size( ); i++ )
{
CheckSection( checkMatchVector[i][0], checkMatchVector[i][1], checkMatchVector[i][2], checkMatchVector[i][3], checkMatchVector[i][4], checkMatchVector[i][5], AI_PIECE, gridArray, gridPieces );
}

// check if player can win
for ( int i = 0; i < checkMatchVector.size( ); i++ )
{
CheckSection( checkMatchVector[i][0], checkMatchVector[i][1], checkMatchVector[i][2], checkMatchVector[i][3], checkMatchVector[i][4], checkMatchVector[i][5], PLAYER_PIECE, gridArray, gridPieces );
}
/*CheckSection( 0, 2, 1, 2, 2, 2, playerPiece, gridArray, gridPieces );
CheckSection( 0, 2, 0, 1, 0, 0, playerPiece, gridArray, gridPieces );
CheckSection( 0, 2, 1, 1, 2, 0, playerPiece, gridArray, gridPieces );

CheckSection( 2, 2, 1, 2, 0, 2, playerPiece, gridArray, gridPieces );
CheckSection( 2, 2, 2, 1, 2, 0, playerPiece, gridArray, gridPieces );
CheckSection( 2, 2, 1, 1, 0, 0, playerPiece, gridArray, gridPieces );

CheckSection( 0, 0, 0, 1, 0, 2, playerPiece, gridArray, gridPieces );
CheckSection( 0, 0, 1, 0, 2, 0, playerPiece, gridArray, gridPieces );
CheckSection( 0, 0, 1, 1, 2, 2, playerPiece, gridArray, gridPieces );

CheckSection( 2, 0, 2, 1, 2, 2, playerPiece, gridArray, gridPieces );
CheckSection( 2, 0, 1, 0, 0, 0, playerPiece, gridArray, gridPieces );
CheckSection( 2, 0, 1, 1, 0, 2, playerPiece, gridArray, gridPieces );

CheckSection( 0, 1, 1, 1, 2, 1, playerPiece, gridArray, gridPieces );
CheckSection( 1, 2, 1, 1, 1, 0, playerPiece, gridArray, gridPieces );
CheckSection( 2, 1, 1, 1, 0, 1, playerPiece, gridArray, gridPieces );
CheckSection( 1, 0, 1, 1, 1, 2, playerPiece, gridArray, gridPieces );

CheckSection( 0, 1, 2, 1, 1, 1, playerPiece, gridArray, gridPieces );
CheckSection( 1, 2, 1, 0, 1, 1, playerPiece, gridArray, gridPieces );
CheckSection( 0, 2, 2, 0, 1, 1, playerPiece, gridArray, gridPieces );
CheckSection( 2, 2, 0, 0, 1, 1, playerPiece, gridArray, gridPieces );
CheckSection( 0, 2, 2, 2, 1, 2, playerPiece, gridArray, gridPieces );
CheckSection( 0, 0, 2, 0, 1, 0, playerPiece, gridArray, gridPieces );
CheckSection( 0, 2, 0, 0, 0, 1, playerPiece, gridArray, gridPieces );
CheckSection( 2, 2, 2, 0, 2, 1, playerPiece, gridArray, gridPieces );*/

// check if center is empty
CheckIfPieceIsEmpty( 1, 1, gridArray, gridPieces );

// check if a corner is empty
CheckIfPieceIsEmpty( 0, 2, gridArray, gridPieces );
CheckIfPieceIsEmpty( 2, 2, gridArray, gridPieces );
CheckIfPieceIsEmpty( 0, 0, gridArray, gridPieces );
CheckIfPieceIsEmpty( 2, 0, gridArray, gridPieces );

// check for any other empty piece
CheckIfPieceIsEmpty( 1, 2, gridArray, gridPieces );
CheckIfPieceIsEmpty( 0, 1, gridArray, gridPieces );
CheckIfPieceIsEmpty( 2, 1, gridArray, gridPieces );
CheckIfPieceIsEmpty( 1, 0, gridArray, gridPieces );
}
catch ( int error )
{

}

*gameState = STATE_PLAYING;
}

void AI::CheckSection( int x1, int y1, int x2, int y2, int X, int Y, int pieceToCheck, int ( *gridArray )[3][3], cocos2d::Sprite *gridPieces[3][3] )
{
// check if 2 pieces match
if ( ( *gridArray )[x1][y1] == pieceToCheck && ( *gridArray )[x2][y2] == pieceToCheck )
{
if ( EMPTY_PIECE == ( *gridArray )[X][Y] )
{
( *gridArray )[X][Y] = AI_PIECE;
gridPieces[X][Y]->setTexture( O_PIECE_FILEPATH );

gridPieces[X][Y]->setVisible( true );

gridPieces[X][Y]->runAction( cocos2d::FadeIn::create( PIECE_FADE_IN_TIME ) );

throw -1;
}
}
}

void AI::CheckIfPieceIsEmpty( int X, int Y, int ( *gridArray )[3][3], cocos2d::Sprite *gridPieces[3][3] )
{
// check if
if ( EMPTY_PIECE == ( *gridArray )[X][Y] )
{
( *gridArray )[X][Y] = AI_PIECE;
gridPieces[X][Y]->setTexture( O_PIECE_FILEPATH );

gridPieces[X][Y]->setVisible( true );

gridPieces[X][Y]->runAction( cocos2d::FadeIn::create( PIECE_FADE_IN_TIME ) );

throw -2;
}
}