#include "Header.h"
#include <ctime>
#include <cstdlib>


Lunch::Lunch(int X, int Y) //defines lunch to have x&y coords and represented by L
{
  Xpos = X;
  Ypos = Y;
  LunchRep = 'L';
}

void school::SetSize(const int n)
{
  ActualSize = n;
  return;
}

bool Collision(Lunch & lunch, janitor & jan, int & DayCounter)
{
  bool Collided = false;

  if (lunch.Xpos == jan.m_xval && lunch.Ypos == jan.m_yval)
  {
    Collided = true;
  }
  return Collided;
}

void place_me(school & skool, Lunch & lunch, const int Size)//randomly places
//lunch position
{
  lunch.Xpos = 1;
  lunch.Ypos = 1;
  //lunch.Xpos = (rand() % (Size - 2)) + 1;
  //lunch.Ypos = (rand() % (Size - 2)) + 1;
  skool.School[lunch.Xpos][lunch.Ypos] = lunch.LunchRep;
}

void random_move(school & skool, Lunch & lunch)//sets random movement for lunch
{
  int Movement;

  skool.School[lunch.Ypos][lunch.Xpos] = ' ';
  Movement = rand() % 4;
  switch (Movement)
  {
    case 0:
      if (skool.School[lunch.Ypos + 1][lunch.Xpos] == ' ')//checks for wall
      {
        if (lunch.Ypos < Size - 1)
        {
          lunch.Ypos++;
        }
      }
      break;
    case 1:
      if (skool.School[lunch.Ypos][lunch.Xpos + 1] == ' ')//checks for wall
      {
        if (lunch.Xpos < Size - 1)
        {
          lunch.Xpos++;
        }
      }
      break;
    case 2:
      if (skool.School[lunch.Ypos - 1][lunch.Xpos] == ' ')//checks for wall
      {
        if (lunch.Ypos > 1)
        {
          lunch.Ypos--;
        }
      }
      break;
    case 3:
      if (skool.School[lunch.Ypos][lunch.Xpos - 1] == ' ')//checks for wall
      {
        if (lunch.Xpos > 1)
        {
          lunch.Xpos--;
        }
      }
      break;
  }
  skool.School[lunch.Ypos][lunch.Xpos] = lunch.LunchRep;
  cout << Movement << endl << "Lunch: " << lunch.Ypos << ", " << lunch.Xpos << endl;
}


void school::print(const int Size, const char School[MAX][MAX])//creates school
{
  for(int i = 0;i < Size;i++)
  {
    for (int j = 0;j < Size;j++)
    {
      cout << School[i][j] << ' ';
    }
    cout << endl;
  }
  return;
}

void school::clear(char School[MAX][MAX])//clears current data in school array
{
  for (int i = 0;i < MAX;i++)
  {
    for (int j = 0;j < MAX;j++)
    {
      School[i][j] = '\0';
    }
  }
  return;
}
//places windows and walls on the border of school
void school::build(const int Size, school & skool, Lunch & lunch, janitor & Jan)
{
  char Window = 'W', Wall = 'D';

  for(int i = 0; i < Size; i++)
  {
    for(int j = 0; j < Size; j++)
    {
      if(i == 0 || j == 0 || i == Size - 1 || j == Size - 1)
      {
        if ((i > 0 && i < Size - 1 && i % 5 == 0) || (j > 0 && j < Size - 1 && j % 5 == 0))
        {
          School[i][j] = Window;
        }
        else
        {
          School[i][j] = Wall;
        }
      }
      else
      {
        School[i][j] = ' ';
      }
    }
  }
  random_move(skool, lunch);
  rand_walk(skool, Jan);
  print(Size, skool.School);

return;
}

//places janitor
void place_Janitor (school & escuela, janitor & Willie, const int Size)
{
  Willie.m_xval = Size - 2;
  Willie.m_yval = Size - 2;
  escuela.School[Willie.m_xval][Willie.m_yval] = Willie.jancharacter;
}

//places willie in school and walks him in random directions with possibility of a double step
void rand_walk (school & escuela, janitor & Willie)
{
  int rand_step;
  int Twostep = 0;

  escuela.School[Willie.m_yval][Willie.m_xval] = ' ';
  rand_step = rand() %4;

  switch (rand_step)
  {
     case 0:
     if (escuela.School[Willie.m_yval + 1][Willie.m_xval] == ' ')
     {
       Willie.m_yval++;
       Twostep = rand() %2;
       if (escuela.School[Willie.m_yval + 1][Willie.m_xval] == ' ')
       {
         if (Twostep == 1)
         {
           Willie.m_yval++;
         }
       }
     }

     case 1:
     if (escuela.School[Willie.m_yval][Willie.m_xval + 1] == ' ')
     {
       Willie.m_xval++;
       Twostep = rand() %2;
       if (escuela.School[Willie.m_yval][Willie.m_xval + 1] == ' ')
       {
         if (Twostep== 1)
         {
           Willie.m_xval++;
         }
       }
     }

      case 2:
      if (escuela.School[Willie.m_yval - 1][Willie.m_xval] == ' ')
      {
        Willie.m_yval--;
        Twostep = rand() %2;
        if (escuela.School[Willie.m_yval - 1][Willie.m_xval] == ' ')
        {
          if (Twostep== 1)
          {
            Willie.m_yval--;
          }
        }
      }

      case 3:
     if (escuela.School[Willie.m_yval][Willie.m_xval - 1] == ' ')
     {
       Willie.m_xval--;
       Twostep = rand() %2;
       if (escuela.School[Willie.m_yval][Willie.m_xval - 1] == ' ')
       {
         if (Twostep == 1)
         {
           Willie.m_xval--;
         }
       }
     }
   }
  escuela.School[Willie.m_yval][Willie.m_xval] = Willie.jancharacter;
  cout << rand_step << endl << "Janitor: " << Willie.m_yval << ", " << Willie.m_xval << endl;
 }