//I WANT TO PLAY WITH YOU
//        YOUR FRIEND, AI
#include <stdio.h>
#include <stdlib.h>

void draw (int pos_rock1_x, int pos_rock1_y, int pos_rock2_x, int pos_rock2_y, int pos_ball_x, int pos_ball_y, int score_1, int score_2);

int main() {
    int score_1 = 0;
    int score_2 = 0;
    int pos_rock1_x = 1;
    int pos_rock1_y = 13;
    int pos_rock2_x = 78;
    int pos_rock2_y = 13;
    int pos_ball_x = 2;
    int pos_ball_y = 13;
    int ball_direct_x = 1;
    int ball_direct_y = -1;
    draw(pos_rock1_x, pos_rock1_y, pos_rock2_x, pos_rock2_y, pos_ball_x, pos_ball_y, score_1, score_2);
        while (score_1 != 21 || score_2 != 21) {
            system("/bin/stty raw");
            char inp = getchar();
            if (inp == 'a' && pos_rock1_y > 2) {
                pos_rock1_y -= 1;
            } else if (inp == 'z' && pos_rock1_y < 22) {
                pos_rock1_y += 1;
            } else if (inp == 'k' && pos_rock2_y > 2) {
                pos_rock2_y -= 1;
            } else if (inp == 'm' && pos_rock2_y < 22) {
                pos_rock2_y += 1;
            } else if(inp == ' '){
				pos_ball_x += ball_direct_x;
				pos_ball_y += ball_direct_y;
			}else if (inp == 'q') {
                break;
            }
            system("/bin/stty cooked");
        if (pos_ball_x - 1  == pos_rock1_x && ball_direct_x == -1) {
            if (pos_ball_y >= pos_rock1_y - 1 && pos_ball_y <= pos_rock1_y + 1) {
                ball_direct_x = -1;
            }
            else {
                score_2 += 1;
                pos_ball_y = 13;
                pos_ball_x = 2;
                pos_rock1_y = 13;
                pos_rock2_y = 13;
                ball_direct_x = 1;
                ball_direct_y = 1;
            }
        }
        if (pos_ball_x + 1 == pos_rock2_x && ball_direct_x == 1) {
            if (pos_ball_y >= pos_rock2_y - 1 && pos_ball_y <= pos_rock2_y + 1) {
                ball_direct_x *= -1;
            }
            else {
                score_1 += 1;
                pos_ball_y = 13;
                pos_ball_x = 78;
                pos_rock1_y = 13;
                pos_rock2_y = 13;
                ball_direct_x = -1;
                ball_direct_y = -1;
            }
        }
        if (pos_ball_y == 1 || pos_ball_y == 23){
            ball_direct_y *= -1;
        }

        printf ("\33c\e[3J");
        draw(pos_rock1_x, pos_rock1_y, pos_rock2_x, pos_rock2_y, pos_ball_x, pos_ball_y, score_1, score_2);
    }
    if (score_1 == 21)
        printf("Player 1 won!\n");
    else if (score_2 == 21)
        printf("Player 2 won!\n");
    system("/bin/stty sane");
}

void draw (int pos_rock1_x, int pos_rock1_y, int pos_rock2_x, int pos_rock2_y, int pos_ball_x, int pos_ball_y, int score_1, int score_2) {
    const char rock1 = ']';
    const char rock2 = '[';
    const char ball = '*';
    const char vert = '|';
    const char hor = '-';
    const int size_x = 80;
    const int size_y = 25;
    char space = ' ';
    for (int i = 0; i < size_y; i++) {
        for (int j = 0; j < size_x; j++) {
            if (i == 0 || i == 24)
                printf("%c", hor);
            else if (j == 0 || j == 79)
                printf("%c", vert);
            else if ((i <= (pos_rock1_y + 1) && i >= pos_rock1_y - 1) && j == pos_rock1_x)
                printf("%c", rock1);
            else if (i == pos_ball_y && j == pos_ball_x)
                printf("%c", ball);
            else if (j == 39 || j == 40)
                printf("%c", vert);
            else if ((i <= (pos_rock2_y + 1) && i >= pos_rock2_y - 1) && j == pos_rock2_x)
                printf("%c", rock2);
            else
                printf("%c", space);
        }
        printf("\n");
    }
    printf("player 1 %d - %d player 2\n", score_1, score_2);
}