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// ConsoleApplication6.cpp: определяет точку входа для консольного приложения.
//

#include "stdafx.h"
#include <iostream>
#include <conio.h>
#include <windows.h>
#include <fcntl.h>
#include <io.h>
#include <string>
#include <ctime>
#include "helpfulFunctions.h"

const int lengthInCageX = 25;
const int lengthInCageY = 25;
const int lengthOfCageX = 3;
const int lengthOfCageY = 1;

using namespace std;

struct field {
	int horisontal = -1;
	int vertical = -1;
	char sym = -1;
};
struct word {
	int XStart, YStart, length = -1, direction;
};
void drawTable();
void fillBaseMap();
void drawArray();
void writeRusText(string text);
int findWord(int length, int Ystart, int Xstart, int direction);
void putWordIntoTable(char str[], int length, int Ystart, int Xstart, int direction);
int randWord();
int randWord2(int Sdirection, int Slength, int SXstart, int SYstart);
void replaceArrays();

HANDLE cons;
COORD cursPos;

field baseMap[lengthInCageY][lengthInCageX];
string words[100];
string text[100];

word *wordsInTable = new word[100];
word *tempWordsInTable = new word[100];
int WITAddPoint = 0;
int tempWITAddPoint = 0;


FILE *wordsF;
int main()
{
	srand(time(0));
	fopen_s(&wordsF, "D:/Файлы/Временные/Новая папка (5)/CrossWord.txt", "r");
	if (wordsF == NULL) {
		cout << "file with words missing!" << endl;
		exit(1);
	}

	SetConsoleOutputCP(1251);

	_getch();

	cons = GetStdHandle(STD_OUTPUT_HANDLE);

	PCOORD nc = 0;
	SetConsoleDisplayMode(cons, CONSOLE_FULLSCREEN_MODE, nc);
	system("mode con lines=54");

	SetConsoleTitle(L"Crosswords by Oleg Rozdaybeda");

	//COORD LConSize = GetLargestConsoleWindowSize(cons);
	//wcout << LConSize.X << " --- Y: " << LConSize.Y << endl;

	//wcout << "Hello world!" << endl;


	//_getch();


	fillBaseMap();
	drawTable();
	//createArray();
	drawArray();



	printDebugArray();
    return 0;
}
const int VERTICAL = 0;
const int HORIZONTAL = 1;
void replaceArrays() {
	delete wordsInTable;
	wordsInTable = tempWordsInTable;
	WITAddPoint = tempWITAddPoint;
	tempWordsInTable = new word[100];
	tempWITAddPoint = 0;
}
void fillBaseMap() {
	randWord();
	drawArray();
	replaceArrays();

	int a = 0;
	while (a++ < 10) {
		for (int b = 0; b < WITAddPoint; b++) {
			word current = *(wordsInTable + b);
			int newWords = 1 + current.length / (4 + (rand() % 3 - 1));
			for (int c = 0; c < newWords;) {
				c += randWord2(current.direction,current.length,current.XStart, current.YStart);

			}
		}
		replaceArrays();
	}
	/*
	for (int a = 0; a < 1; ) {
		a += randWord();
		//drawArray();
		//_getch();
	}*/
}

const int RETURN_DIAPASON_IS_TOO_BIG = 1;
const int RETURN_NO_SUCH_WORD = 2;
const int RETURN_BAD_COORDS = 3;

int randWord2(int Sdirection,int Slength,int SXstart,int SYstart) {
	cout << "Sdirection = " << Sdirection << " Slength = " << Slength << " SXstart = " << SXstart << " SYstart = " << SYstart << endl;
	int length = 3 + rand() % 7;
	int dir = (Sdirection == HORIZONTAL)?VERTICAL:HORIZONTAL;
	int Xst, Yst;
	if (Sdirection == HORIZONTAL) {
		Xst = SXstart + rand() % Slength;
		Yst = (SYstart - length + 1) + rand() % length;
	}
	else {
		Yst = SYstart + rand() % Slength;
		Xst = (SXstart - length + 1) + rand() % length;
	}
	cout << "direction = " << dir << " length = " << length << " Xst = " << Xst << " Yst = " << Yst << endl;
	//TODO проверка на выход за границы таблицы

	int factorX = (dir == HORIZONTAL) ? 1 : 0;
	int factorY = (dir == VERTICAL) ? 1 : 0;

	if (baseMap[Yst + factorY*-1][Xst + factorX*-1].sym != -1)
		return 0; //TODO fault
	if (baseMap[Yst + factorY*length][Xst + factorX*length].sym != -1)
		return 0; //TODO fault
	cout << "222" << endl;
	for (int a = 0; a < length; a++) {
		bool isCenter = false, isSide1 = false, isSide2 = false;
		if (baseMap[Yst + factorY*a][Xst + factorX*a].sym != -1)
			isCenter = true;

		if (baseMap[Yst + factorY*a + factorX * 1][Xst + factorX*a + factorY * 1].sym != -1)
			isSide1 = true;

		if (baseMap[Yst + factorY*a + factorX * -1][Xst + factorX*a + factorY * -1].sym != -1)
			isSide2 = true;
		if (!isCenter && (isSide1 || isSide2)) {
			cout << "isCenter = "<<isCenter<<" isSide1 = "<< isSide1<< " isSide2 = "<< isSide2<< " a = " << a << endl;
			return 0; //TODO fault
		}
	}

	switch (findWord(length, Yst, Xst, dir)) {
	case RETURN_BAD_COORDS:
		cout << "333" << endl;
		return 0;
		break;
	case 0:
		word *current = tempWordsInTable + tempWITAddPoint++;
		current->length = length;
		current->direction = dir;
		current->XStart = Xst;
		current->YStart = Yst;
		return 1;
		break;
	}
}
int randWord() {
	int length = 3 + rand() % 7;
	int dir = rand() % 2;
	int Yst = (dir == VERTICAL) ? rand() % (lengthInCageY - length) : rand() % lengthInCageY;
	int Xst = (dir == HORIZONTAL) ? rand() % (lengthInCageX - length) : rand() % lengthInCageX;

	//cout << "length " << length << " Yst " << Yst << " Xst " << Xst << " dir " << dir << endl;
	//cout<< "new word is "<< findWord(length, Yst, Xst, dir)<<endl;
	switch (findWord(length, Yst, Xst, dir)) {
	case RETURN_BAD_COORDS:
		return 0;
	case 0:
		word *current = tempWordsInTable + tempWITAddPoint++;
		current->length = length;
		current->direction = dir;
		current->XStart = Xst;
		current->YStart = Yst;
		return 1;
	}
}

const int basicDiapasone = 1000;

int findWord(int length, int Ystart, int Xstart, int direction) {
	struct forSym {
		char sym;
		int location = -1;
	};
	//////
	char *matches = new char[length];

	for (int a = 0; a < length; matches[a++] = -1);
	field tempS;
	int diapasoneReduce = 1;

	for (int a = 0; a < length; a++) {
		if (direction == HORIZONTAL)
			tempS = baseMap[Ystart][Xstart + a];
		else
			tempS = baseMap[Ystart + a][Xstart];
		if (tempS.sym != -1) {
			diapasoneReduce *= 2;
			matches[a] = tempS.sym;
			//cout << "testPoint1, a = "<< a << " tempS.sym = "<< tempS.sym<< endl;
		}
	}//for: поиск символов на пути слова

	if (diapasoneReduce > 8)
		return RETURN_DIAPASON_IS_TOO_BIG;

	int random = rand()%(basicDiapasone/diapasoneReduce);

	char str[100];
	int times = 0;
	//string st;
	bool flag = true;
	for (int a = 0; a < random;) {
		if (times++ > 300000) {
			delete[]matches;
			return RETURN_NO_SUCH_WORD;
		}
		//cout << "testFor2" << endl;
		int fsc = fscanf_s(wordsF, "%s", str,20);
		if (fsc == -1)
			rewind(wordsF);

		if (strlen(str) == length) {
			for (int b = 0; b < length; b++)
				if (matches[b] == -1) {
					continue;
					//cout << "length is equals" << endl;
				}
				else
				{
					if (str[b] != matches[b]) {
						flag = false;
						//return RETURN_BAD_COORDS;
						break;
					}
				}
			if (flag) {
				a++;
				//cout << "a = " << a << endl;
			}
			else
				flag = true;
			if (a == random && flag) {
				putWordIntoTable(str,length, Ystart, Xstart, direction);
				delete[]matches;
				return 0;
			}
		}
			//cout << "a = " << a << endl;
	}


}
void putWordIntoTable(char str[], int length, int Ystart, int Xstart, int direction ) {
	for (int a = 0; a < length; a++) {
		if (direction == HORIZONTAL) {
			baseMap[Ystart][Xstart + a].sym = str[a];
			baseMap[Ystart][Xstart + a].horisontal = 0;
		}
		else {
			baseMap[Ystart + a][Xstart].sym = str[a];
			baseMap[Ystart][Xstart + a].vertical = 0;
		}
	}
}
void drawArray() {
	COORD xy;
	for (int a = 0; a < lengthInCageY; a++) {
		for (int b = 0; b < lengthInCageX; b++) {

			xy.X = (b*4)+2;
			xy.Y = (a*2)+1;
			SetConsoleCursorPosition(cons, xy);
			if (baseMap[a][b].sym != -1)
				cout << baseMap[a][b].sym;
		}
	}

}

void writeRusText(string text) {
	SetConsoleOutputCP(1251);
	cout << text << endl;
	SetConsoleOutputCP(866);
}
void drawTable() {
	system("cls");
	SetConsoleOutputCP(866);
	for (int i = 0; i < lengthInCageY*(lengthOfCageY + 1) + 1; i++) {
		for (int j = 0; j < lengthInCageX*(lengthOfCageX + 1) + 1; j++) {
			if (i == 0 && j == 0)
				wcout << (char)201;
			else
				if (i == 0 && j == lengthInCageX*(lengthOfCageX + 1))
					wcout << (char)187;
				else
					if (i == lengthInCageY*(lengthOfCageY + 1) && j == 0)
						wcout << (char)200;
					else
						if (i == lengthInCageY*(lengthOfCageY + 1) && j == lengthInCageX*(lengthOfCageX + 1))
							wcout << (char)188;
						else
							if (i == 0)
								if (j % (lengthOfCageX + 1) == 0)
									wcout << (char)203;
								else
									wcout << (char)205;
							else
								if (i == lengthInCageY*(lengthOfCageY + 1))
									if (j % (lengthOfCageX + 1) == 0)
										wcout << (char)202;
									else
										wcout << (char)205;
								else
									if (j == 0)
										if (i % (lengthOfCageY + 1) == 0)
											wcout << (char)204;
										else
											wcout << (char)186;
									else
										if (j == lengthInCageX*(lengthOfCageX + 1))
											if (i % (lengthOfCageY + 1) == 0)
												wcout << (char)185;
											else
												wcout << (char)186;
										else
											if(i % (lengthOfCageY + 1) == 0 && j % (lengthOfCageX + 1) == 0)
												wcout << (char)206;
											else
												if (i % (lengthOfCageY + 1) == 0)
													wcout << (char)205;
												else
													if (j % (lengthOfCageX + 1) == 0)
														wcout << (char)186;
													else
														wcout << " ";
		}


		wcout << endl;

	}
	SetConsoleOutputCP(1251);
}