/*
 * This is a cellular automaton library
 *
 * Copyright (C) 2016-2017 Antoine BARTUCCIO, Jean POREE DE RIDDER
 *
 * Licensed under the MIT License,(the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * hhttps://opensource.org/licenses/MIT
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 */

#ifndef CELLELMNT_H
#define CELLELMNT_H


/**
* An essential basic type, added an ERROR for out of bounds
*
* @param true  1
* @param false 0
* @param ERROR -1
* 
*/
typedef enum Bool{

	true  = 1,
	false = 0,
	ERROR = -1

} bool;


/**
* A cell of the matrix
*
* @param colIndex is index (int) of the column of this cell
* @param rowIndex is index (int) of the row of this cell
* 
* @param nextCol  is pointer on the next cellElement in the same column
* @param nextRow  is pointer on the next cellElement in the same row
*
* @see createCellElem to allocate one and freeCellElement to free one
*/
struct cellElement {

	int colIndex;
	int rowIndex;

	struct cellElement * nextCol;
	struct cellElement * nextRow;

};
typedef struct cellElement cellElement;

/**
* Allocates a cellElement and returns it
*
* @return pointer on the allocated cellElement
*
*/
cellElement * createCellElem();


/**
* Allocates a cellElement and sets it as the NextCol of the tree
*
* @param  tree is a pointer on an allocated cellElement
*
* @return int error codes
*
*/
int addNextCol(cellElement* tree);


/**
* Allocates a cellElement and sets it as the NextRow of the tree
*
* @param  tree is a pointer on an allocated cellElement
*
* @return int error codes
*
*/
int addNextRow(cellElement* tree);

/**
* Free the nextCol cellElement of the tree
*
* @param  tree is a pointer on an allocated cellElement
*
*/
void removeNextCol(cellElement* tree);

/**
* Free the nextRow cellElement of the tree
*
* @param  tree is a pointer on an allocated cellElement
*
*/
void removeNextRow(cellElement* tree);


/**
* Frees a cellElement and returns it
*
* @param element is pointer on the allocated cellElement
* 
*/
void freeCellElement(cellElement* element);


/**
* Checks is the tree is a leaf
*
* @param tree is a pointer on an allocated cellElement 
*
* @return bool (true/false)
*
*/
bool isLeaf(cellElement* tree);


/**
* Allows you to set the colIndex and the rowIndex of the cellElement elem
*
* @param elem is a pointer on an allocated cellElement 
* @param Col is the value for colIndex
* @param Row is the value for rowIndex
*
* @return int error codes
*
*/
int setPositionIndex(cellElement* elem,int Col,int Row);

/**
* Allows you to set the nextCol of the cellElement tree
*
* @param tree is a pointer on the element you want to set
* @param elem is a pointer on a cellElement
*
* @return int error codes
*
*/
int setNextCol(cellElement* tree,cellElement* elem);

/**
* Allows you to set the nextRow of the cellElement elem
*
* @param tree is a pointer on the element you want to set
* @param elem is a pointer on a cellElement
*
* @return int error codes
*
*/
int setNextRow(cellElement* tree,cellElement* elem);

/**
* A debug function that recursively prints a tree, don't use it in not tree structured cellElements (may cause endless loops)
*
* @param tree a pointer on a cell element
*
*/
void recursivePrint(cellElement * tree);


/**
* Apply OR operator to a bool a and a bool b*
*
* @param a a bool
* @param b a bool
*
* @return bool
*/
bool OR(bool a, bool b);

/**
* Apply AND operator to a bool a and a bool b
*
* @param a a bool
* @param b a bool
*
* @return bool
*/
bool AND(bool a, bool b);

/**
* Apply XOR operator to a bool a and a bool b
*
* @param a a bool
* @param b a bool
*
* @return bool
*/
bool XOR(bool a, bool b);

/**
* Return false if the bool is ERROR
*
* @param x a bool
*
* @return bool
*/
bool errorToFalse(bool x);

#endif