#include <stdio.h>
#include <stdlib.h>
#include <windows.h>
#include <conio.h>
#include <time.h>

#define box_length 15
#define box_height 15

#define BLOCK_COLS 15
#define BOX_HEIGHT 15
#define BLOCK_WIDTH 2

#define LEFT_WALL 1
#define TOP_WALL 1
#define START_X 3
#define START_Y 2

#define RIGHT_WALL (START_X + (BLOCK_COLS - 1) * BLOCK_WIDTH + BLOCK_WIDTH)
#define BOTTOM_WALL (START_Y + BOX_HEIGHT)

int block_stack[box_length * 2+1] = {0};

void intro_game(void);
void game_control(void);
void gotoxy(int x, int y);
int left_right_move(void);
void move_down(int x);
void drow_rectangle();
int max_block(void);

void setColor(int color){
	SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),color);
	//ex) setColor(14);
}

int main(){
	intro_game();
	game_control();
	
	gotoxy(1,box_height+3);
	printf("게임이 종료되었습니다.\n");
//	drow_rectangle();
//	left_right_move();
	return 0;
}

void gotoxy(int x, int y){
	COORD pos = {x, y};
	SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), pos);
}

//void hide_cursor(void){
//	CONSOLE_CURSOR_INFO cursorInfo;
//	cursorInfo.dwSize = 1;
//	cirsorInfo.bVis
//}

void intro_game(void){
	system("cls");
	printf(" 블록쌓기 게임\n\n");
	printf("블록이 좌우로 움직일 때\n");
	printf("스페이스키를 누르면\n");
	printf("블록이 떨어집니다.\n\n");
	printf("아무 키나 누르면 시작합니다.");
	getch();
}

void drow_rectangle(void){
	int x, y, i, j;

    system("cls");

    for(x=LEFT_WALL; x<=RIGHT_WALL; x++){
        gotoxy(x, TOP_WALL);
        printf("-");
        gotoxy(x, BOTTOM_WALL);
        printf("-");
    }

    for(y=TOP_WALL; y<=BOTTOM_WALL; y++){
        gotoxy(LEFT_WALL, y);
        printf("|");
        gotoxy(RIGHT_WALL, y);
        printf("|");
    }
}

int col_to_x(int col){
	return START_X + col * BLOCK_WIDTH;
}

int left_right_move(void){
	int col = 0;
	int dir = 1;
	int x;
	int key;
	
	while(1){
		x = col_to_x(col);
		
		gotoxy(x, START_Y);
		setColor(4);
        printf("▩");
        setColor(15);
		
		Sleep(70);
		
		if(kbhit()){
			key = getch();
			
			if(key == ' '){
				gotoxy(x, START_Y);
				printf("  ");
				
				block_stack[col]++;
				
				return col;
			}
		}
		gotoxy(x, START_Y);
		printf("  ");
		
		col += dir;
		
		if(col >= BLOCK_COLS - 1){
			col = BLOCK_COLS - 1;
			dir = - 1;
		}
		
		if(col <= 0){
			col = 0;
			dir = 1;
		}
	}
}

//void game_control(void){
//	int x;
//	int count = 0;
//	
//	system("cls");
//	draw_ractangle(box_length, box_height);
//	
//	while(count < box_height){
//		gotoxy(box_length * 2 + 5, 4);
//		printf("시도한 횟수:%2d", count + 1);
//		
//		gotoxy(box_length * 2 + 5, 5);
//		printf("쌓인 블록수:%2d", max_block());
//		
//		x = left_right_move();
//		getch();
//		move_down(x);
//		count++;
//	}
//}

void move_down(int col){
	int x = col_to_x(col);
	int y;
	int drop_y;
	
	drop_y = BOTTOM_WALL - block_stack[col];
	
	for(y=START_Y; y<=drop_y; y++){
		gotoxy(x, y);
		setColor(4);
        printf("▩");
        setColor(15);
        
        Sleep(70);
        
        if(y != drop_y){
            gotoxy(x, y);
            printf("  ");
    	}
	}
}

int max_block(void){
	int max = 0;
	
	for(int x=0; x<box_length * 2+1; x++){
		if(max < block_stack[x]) max = block_stack[x];
//		printf("%2d", block_stack[x]);
	}
	
	
	return(max);
}

void game_control(void){
	int count = 0;
	int col;
	int score = 15;
	int key;
	
	system("cls");
	
	drow_rectangle();
	
	gotoxy(1, BOTTOM_WALL + 2);
	printf("Press SPACE to drop the block.");
	
	while(count < BOX_HEIGHT){
		setColor(12);
		gotoxy(RIGHT_WALL +4, 3);
		printf("Total BLocks: %2d", BOX_HEIGHT);
		
		gotoxy(RIGHT_WALL +4, 4);
		printf("Try Count   : %2d", count);
		
		gotoxy(RIGHT_WALL +4, 5);
		printf("Max Height  : %2d", max_block());
		
		setColor(14);
		gotoxy(RIGHT_WALL +4, 6);
		printf("Your Score  : %2d", score-max_block());
		
		setColor(15);
		
		col = left_right_move();
		
		move_down(col);
		
		count++;
	}
	setColor(12);
	gotoxy(RIGHT_WALL +4, 5);
	printf("Max Height  : %2d", max_block());
	
	gotoxy(RIGHT_WALL +4, 4);
	printf("Try Count   : %2d", count);
	
	gotoxy(RIGHT_WALL +4, 5);
	printf("Max Height  : %2d", max_block());
	setColor(15);
}