#include <stdio.h>
#include "windows.h"
#include <conio.h>
#include <time.h>
#include <iostream>


//ustawia kursor we wsp x  y
void gotoxy(int x, int y){
  COORD c;
  c.X = x - 1;
  c.Y = y - 1;
  SetConsoleCursorPosition (GetStdHandle(STD_OUTPUT_HANDLE), c);
}



void SetColor(int color){
    SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), color);
}

char Character(){
    char tmp = rand()%3;
    if ( tmp == 0 ) {
            return ( rand() % 26 ) + 65; //65-90
    }
    else if( tmp == 1 ){
        return ( rand() % 26 ) + 97; //97-122
    }
    else {
        return ( rand() % 10 ) + 48; //48-57
    }
}

void Print(int j, int position){
    SetColor(10);
    if (position<26){
        gotoxy(j, position);
        std::cout<<Character();
    }
        if(position>1 &&  position<26 ){
        SetColor(2);
        gotoxy(j, position-1);
        std::cout<<Character();
    }
    if(position>15 &&  position< (26+15) ){
        gotoxy(j, position-15);
        std::cout<<" ";
    }
}

void Matrix(){
    int position[80];
    for (int i = 0; i < 80; i ++){
        position[i]=0;
    }
    int j;
    int counter;
    do{
        counter=0;
        j=rand()%80 + 1;
        position[j]++;

        Print(j, position[j]);

        for(int i=0; i < 80; i ++){
            if(position[i]>41){
               counter++;
            }
        }
               if (position[j]>12 && (j>34 && j < 45) ){
            SetColor(10);
            gotoxy(j, 13 );
            switch (j){
                case 35: std::cout<<'D'; break;
                case 36: std::cout<<'a'; break;
                case 37: std::cout<<'w'; break;
                case 38: std::cout<<'i'; break;
                case 39: std::cout<<'d'; break;
                case 40: std::cout<<' '; break;
                case 41: std::cout<<'D'; break;
                case 42: std::cout<<'e'; break;
                case 43: std::cout<<'b'; break;
                case 44: std::cout<<'y'; break;
            }
        }
        if(j%5==0)
            Sleep(1);


    }while (counter<79);


}

int main(){

    srand(time(NULL));
    char key;

    SetColor(10);
    gotoxy(31, 13);
    std::cout<<"Mlodszy programista C++";
    Sleep(1000);
    gotoxy(31, 13);
    std::cout<<"                       ";

    Matrix();

    return 0;
}