final int windowWidth = 480;
final int windowHeight = windowWidth;
int timer;

void settings() {

size(windowWidth, windowHeight);

}



//////////////////////////////////////
/////////////////////////////////////

class Rectangle{

  float x;
  float y;
  float width_rect;
  float height_rect;
  color c;

 Rectangle(float x, float y, float width_rect, float height_rect, color c){
   this.x = x;
   this.y = y;
   this.width_rect = width_rect;
   this.height_rect = height_rect;
   this.c = c;
 }

 void draw_rect(){
    rectMode(CENTER);  // Set rectMode to CENTER
    fill(this.c);
    noStroke();
    rect(this.x,this.y,this.width_rect,this.height_rect);

 }

}

class Flag {
  String name;
  float x; // horizontal coordinate of upper left corner
  float y; // vertical coordinate of upper left corner
  float width_flag; // lenght of side
  float height_flag;
  color c;
  Rectangle r[] = new Rectangle[1000];
  int nr_rects;

Flag (float x, float y, float width_flag, color c, int nr_rects)   {
  //this.name = name;
  this.x = x;
  this.y = y;
  this.width_flag = width_flag;
  this.height_flag = width_flag*(2.0/3.0);
  this.c = c;
  this.nr_rects = nr_rects;

  }

  void draw_Flag(){

    rectMode(CENTER);  // Set rectMode to CENTER
    fill(this.c);  // Set fill to gray
    noStroke();
    rect(this.x, this.y, this.width_flag, this.height_flag);  // Draw gray rect using CENTER mode
    for(int i = 0; i < this.nr_rects; i++){
      r[i].draw_rect();
    }

      //draw(this.r[i]);


  }
}
////////////////////////////////////////
///////////////////////////////////////


////////////////////////////////////////
//                                   //
//          Nivel 1                 //
//                                 //
////////////////////////////////////

Flag make_Iceland_flag(Flag f){

  //Bandeira da Islandia
    f.name = "Islandia";
    f.c = color(0,0,255);

    //barra branca vertical
    float b_b_v_width = f.width_flag/7;
    float b_b_v_height = f.height_flag;
    float b_b_v_x = (f.x+f.width_flag/2) - (f.width_flag/3)*2;
    float b_b_v_y = (f.y);
    color white = color(255,255,255);

    f.r[0] = new Rectangle(b_b_v_x,b_b_v_y,b_b_v_width,b_b_v_height,white);


    //

    //barra branca horizontal
    float b_b_h_width = f.width_flag;
    float b_b_h_height = f.width_flag/7;
    float b_b_h_x = (f.x);
    float b_b_h_y = (f.y);
    //color red = color(255,0,0);

    f.r[1] = new Rectangle(b_b_h_x,b_b_h_y,b_b_h_width,b_b_h_height,white);
    //

    //

    ////barra vermelha vertical
    float b_v_v_width = f.width_flag/15;
    float b_v_v_height = f.height_flag;
    float b_v_v_x = (f.x+f.width_flag/2) - (f.width_flag/3)*2;
    float b_v_v_y = (f.y);
    color red = color(255,0,0);

    f.r[2] = new Rectangle(b_v_v_x,b_v_v_y,b_v_v_width,b_v_v_height,red);//mudar ordem
    //

    ///barra vermelha horizontal
    float b_v_h_width = f.width_flag;
    float b_v_h_height = f.width_flag/15;
    float b_v_h_x = (f.x);
    float b_v_h_y = (f.y);
    //color red = color(255,0,0);

    f.r[3] = new Rectangle(b_v_h_x,b_v_h_y,b_v_h_width,b_v_h_height,red);//mudar ordem
    //

    f.nr_rects = 4;

    return f;

}

void nivel_1(){

  float width_flag = windowWidth/3;
  float center_x = windowWidth/2;
  float center_y = windowHeight/2;
  color blue = color(0, 0, 255);

  //Bandeira da Islandia

   Flag f = new Flag(center_x,center_y,width_flag,blue,0);

   f = make_Iceland_flag(f);

   f.draw_Flag();

}
///////////////////////////////////
//////////////////////////////////

////////////////////////////////
//                           //
//         Nivel 2          //
//                         //
////////////////////////////

class Coords{

  float x;
  float y;

 Coords(float x, float y){
   this.x = x;
   this.y = y;
 }

}

void get_coords_nivel_2(Coords cr[]){

  cr[0] = new Coords(windowWidth/4,windowHeight/4);

  cr[1] = new Coords(windowWidth/4*3,windowHeight/4);

  cr[2] = new Coords(windowWidth/4,windowHeight/4*3);

  cr[3] = new Coords(windowWidth/4*3,windowHeight/4*3);


}

void nivel_2(){


  float width_flag = windowWidth/3;
  //float x = windowWidth/4;
  //float y = windowHeight/4;
  //float coords[][] = {{windowWidth/4,windowHeight/4}};
  color blue = color(0, 0, 255);

   Coords cr[] = new Coords[4];
   get_coords_nivel_2(cr);


   Flag f[] = new Flag[4];
   //Flag f;
   for(int i = 0; i < 4; i++){
     f[i] = new Flag(cr[i].x,cr[i].y,width_flag,blue,4);
     f[i] = make_Iceland_flag(f[i]);
     f[i].draw_Flag();
   }

}

///////////////////////////////////
//////////////////////////////////

////////////////////////////////
//                           //
//        Nivel 3           //
//                         //
////////////////////////////

Flag make_Swedish_flag(Flag f){


  //Bandeira da Suecia

    f.name = "Suecia";
    f.c = color(0,0,255);

    //barra branca vertical
    float b_b_v_width = f.width_flag/7;
    float b_b_v_height = f.height_flag;
    float b_b_v_x = (f.x+f.width_flag/2) - (f.width_flag/3)*2;
    float b_b_v_y = (f.y);
    color yellow = color(255,255,0);

    f.r[0] = new Rectangle(b_b_v_x,b_b_v_y,b_b_v_width,b_b_v_height,yellow);


    //

    //barra branca horizontal
    float b_b_h_width = f.width_flag;
    float b_b_h_height = f.width_flag/7;
    float b_b_h_x = (f.x);
    float b_b_h_y = (f.y);
    //color red = color(255,0,0);

    f.r[1] = new Rectangle(b_b_h_x,b_b_h_y,b_b_h_width,b_b_h_height,yellow);
    //


    f.nr_rects = 2;

    return f;


}

Flag make_Russian_flag(Flag f){

  //Bandeira da Russia

    f.name = "Russia";
    f.c = color(255,255,255);

 //barra branca horizontal
    float b_b_h_width = f.width_flag;
    float b_b_h_height = f.height_flag/3;
    float b_b_h_x = (f.x);
    float b_b_h_y = (f.y);
    color blue = color(0,0,255);

    f.r[0] = new Rectangle(b_b_h_x,b_b_h_y,b_b_h_width,b_b_h_height,blue);
    //

    //f.c = color(255,0,0);

    //barra vermelha horizontal

    float b_v_h_width = f.width_flag;
    float b_v_h_height = f.height_flag/3;
    float b_v_h_x = (f.x);
    float b_v_h_y = (f.y) + (f.height_flag/3);
    color red = color(255,0,0);

    f.r[1] = new Rectangle(b_v_h_x,b_v_h_y,b_v_h_width,b_v_h_height,red);
    //


    f.nr_rects = 2;

    return f;

}

Flag make_Italian_flag(Flag f){

  //Bandeira da Italia

    f.name = "Italia";
    f.c = color(0,255,0);

    //barra branca vertical
    float b_b_v_width = f.width_flag/3;
    float b_b_v_height = f.height_flag;
    float b_b_v_x = (f.x);
    float b_b_v_y = (f.y);
    color white = color(255,255,255);

    f.r[0] = new Rectangle(b_b_v_x,b_b_v_y,b_b_v_width,b_b_v_height,white);


    //


    ////barra vermelha vertical
    float b_v_v_width = f.width_flag/3;
    float b_v_v_height = f.height_flag;
    float b_v_v_x = (f.x) + (f.width_flag/3);
    float b_v_v_y = (f.y);
    color red = color(255,0,0);

    f.r[1] = new Rectangle(b_v_v_x,b_v_v_y,b_v_v_width,b_v_v_height,red);//mudar ordem
    //

    f.nr_rects = 2;

    return f;

}


void nivel_3(){

  float width_flag = windowWidth/3;

   Coords cr[] = new Coords[4];
   get_coords_nivel_2(cr);


   Flag f[] = new Flag[4];

   for(int i = 0; i < 4; i++){
     f[i] = new Flag(cr[i].x,cr[i].y,width_flag,0,0);
   }

    f[0] = make_Iceland_flag(f[0]);
    f[0].draw_Flag();

    f[1] = make_Italian_flag(f[1]);
    f[1].draw_Flag();

    f[2] = make_Russian_flag(f[2]);
    f[2].draw_Flag();

    f[3] = make_Swedish_flag(f[3]);
    f[3].draw_Flag();

}

//////////////////////////////////
/////////////////////////////////

////////////////////////////////
//                            //
//        Nivel 4            //
//                          //
/////////////////////////////

void flags_exchange(Flag f[], int x, int y)
{
  Flag m = f[x];
  f[x] = f[y];
  f[y] = m;
}

void flags_isort(Flag f[], int n)
{
  for (int i = 1; i < n; i++)
  {
    int j = i;
//    int j = n-1;
    while (j > 0)
    {
      flags_exchange(f, j-1, j);
      j--;
    }
  }
}
  void update(Flag f[], int n, Coords cr[],float width_flag) {

    //int i = 0;




     flags_isort(f,n);
     for(int i = 0; i < n; i++){
       //f[i] = new Flag(cr[i].x,cr[i].y,width_flag,0,0);
       if(f[i].name == "Islandia"){
         f[i] = new Flag(cr[i].x,cr[i].y,width_flag,0,0);
         f[i] = make_Iceland_flag(f[i]);
       }
        else if(f[i].name == "Italia"){
         f[i] = new Flag(cr[i].x,cr[i].y,width_flag,0,0);
         f[i] = make_Italian_flag(f[i]);
        }
        else if(f[i].name == "Russia"){
         f[i] = new Flag(cr[i].x,cr[i].y,width_flag,0,0);
         f[i] = make_Russian_flag(f[i]);
        }
        else if(f[i].name == "Suecia"){
         f[i] = new Flag(cr[i].x,cr[i].y,width_flag,0,0);
         f[i] = make_Swedish_flag(f[i]);
        }
       //f[i].x = cr[i].x;
       //f[i].y = cr[i].y;
   }

     //  for(int i = 0; i < n; i++){
     //print(i+" " + f[i].name+"\n");
   // }
     // print("\n\n");

    //}



  }

  void flags_draw(Flag f[], int n){

   // f[0] = make_Iceland_flag(f[0]);
    //f[1] = make_Italian_flag(f[1]);
   // f[2] = make_Russian_flag(f[2]);
   // f[3] = make_Swedish_flag(f[3]);

   for(int i = 0; i < n; i++){
     f[i].draw_Flag();
     print(i+" " + f[i].name+"\n");
   }
   print("\n\n");

  }

void nivel_4(){

   float width_flag = windowWidth/3;

   Coords cr[] = new Coords[4];
   get_coords_nivel_2(cr);

   int n=4;

   Flag f[] = new Flag[n];
   for(int i = 0; i < n; i++){
     f[i] = new Flag(cr[i].x,cr[i].y,width_flag,0,0);
   }

    f[0] = make_Iceland_flag(f[0]);
    f[1] = make_Italian_flag(f[1]);
    f[2] = make_Russian_flag(f[2]);
    f[3] = make_Swedish_flag(f[3]);

     background(100);
     flags_draw(f, n);
     update(f,n,cr,width_flag);

    while(true){
     if (millis() - timer >= 2000) {
    //nivel_4();

     background(100);
     flags_draw(f, n);
     update(f,n,cr,width_flag);

      }
    timer = millis();

   }

}

////////////////////////////////

void draw() {

  //Nivel 1
    //nivel_1();

  //Nivel 2
    //nivel_2();

  //Nivel 3
    //nivel_3();

  //Nivel 4
   //if (millis() - timer >= 2000) {
    nivel_4();
    //timer = millis();
    //nivel_4();
   //}
}