#include <stdio.h>
#include <stdlib.h>

#include "playerlib.h"

//determines whether move or not and adds them to a movesList
int fillMovesList(cell (*)[fieldWidth], movesList *, size_t, size_t, unsigned int *, unsigned int *);

char enemyc = 0, ownc = 0;

char
getEnemyChar(char c) {
    char enemyc;
    switch(c)
    {
        case 'X':
            enemyc='O'; break;
        case 'O':
            enemyc='X'; break;
    }
    return enemyc;
}

int
readStateBuffer(char *stateBuffer, struct cell (*gameField)[fieldWidth]) {
	for(size_t row=0; row< fieldHeight; ++row)
	{
		for(size_t col=0; col< fieldWidth; ++col)
		{
			int index = row*fieldHeight+col+1;
			gameField[row][col].content = stateBuffer[index];
			//printf("gameField %lu  %lu =stateBuffer %d = %c\n", row, col, index, gameField[row][col].content);
		}
	}
	return 0;
}

int
fillMovesList(cell (*field)[fieldWidth], movesList *moves, size_t row, size_t col, unsigned int *ownCount, unsigned int *enemyCount) {
	++(field[row][col].timesVisited);
	if (field[row][col].content == ownc)
	{
		++(*ownCount);
		*enemyCount = 0;
		printf("%d,%d: ownCount: %d, enemyCount: %d\n", row, col, *ownCount, *enemyCount);
	}
	if(field[row][col].content == enemyc && ownCount)
	{
		++(*enemyCount);
		printf("%d,%d: ownCount: %d, enemyCount: %d\n", row, col, *ownCount, *enemyCount);
	}
	if(field[row][col].content == '.')
	{
		if (*ownCount && *enemyCount > 0)
		{
			printf("BAM!\n");
			moves->list[moves->movesNumber].turnRow = row+1;
			moves->list[moves->movesNumber].turnCol = col+1;
			++(moves->movesNumber);
		}
		*ownCount = 0;
		*enemyCount = 0;
		printf("%d,%d: ownCount: %d, enemyCount: %d\n", row, col, *ownCount, *enemyCount);
	}
	return 0;
}

int
findHorizontalForwardMoves(cell (*field)[fieldWidth], movesList *moves) {
	//Anzahl eigener/gegnerischer Steine
	unsigned int ownCount = 0, enemyCount = 0;
	for (size_t row = 0;row < fieldHeight; ++row)
	{
		for (size_t col = 0;col < fieldWidth; ++col)
		{
			fillMovesList(field, moves, row, col, &ownCount, &enemyCount);
		}
	}
	return 0;
}

int
findHorizontalBackwardMoves(cell (*field)[fieldWidth], movesList *moves) {
	//Anzahl eigener/gegnerischer Steine
	unsigned int ownCount = 0, enemyCount = 0;
	for (int row = 7; row >= 0; --row)
	{
		for (int col = 7; col >= 0; --col)
		{
			fillMovesList(field, moves, row, col, &ownCount, &enemyCount);
		}
	}
	return 0;
}

int
findVerticalForwardMoves(cell (*field)[fieldWidth], movesList *moves) {
	//Anzahl eigener/gegnerischer Steine
	unsigned int ownCount = 0, enemyCount = 0;
	for (size_t col = 0;col < fieldHeight; ++col)
	{
		for (size_t row = 0;row < fieldWidth; ++row)
		{
			fillMovesList(field, moves, row, col, &ownCount, &enemyCount);
		}
	}
	return 0;
}

int
findVerticalBackwardMoves(cell (*field)[fieldWidth], movesList *moves) {
	//Anzahl eigener/gegnerischer Steine
	unsigned int ownCount = 0, enemyCount = 0;
	for (int col = 7; col >= 0; --col)
	{
		for (int row = 7; row >= 0; --row)
		{
			fillMovesList(field, moves, row, col, &ownCount, &enemyCount);
		}
	}
	return 0;
}