//Player class
//Players are classes
//   Can move Up, Left, Right, Down
//   Knows position and if it's crashed.
//   Also knows what direction it's moving in.
//
//Board class
//The enitre board is an array also a class
//  17 Rows X 76 cols  (78 total on screen, 2 for border)
//  Can tell if a certain square is occupied or out of range
//  Can put a number in it's array to mean a space is occupied

#include "common.h"
#include "Player.h"
#include "Board.h"
#include "getchars.h"
#include <iostream.h>
//#include <fstream.h>

void Banner();   //Prints initial screen
char Get_Move(); //Gets a key from the keyboard
void Process_Move(char, Player*, Player*);
void Win(int who);
void Inst(); //Instructions
//ofstream out;

int main() 
{
//   out.open("out.txt");
   set_keypress();  //Allows a single keypress to be read
   echo_off();      //Doesn't echo keypress to the screen
   Banner();
   char in;
   while (isready(KEYBOARD)) cin.get(in); //Clear the buffer
   while (!isready(KEYBOARD)) ; //Do nothing until key is pressed
   cin.get(in);
   switch (in) {
      case 'i': case 'I' : Inst(); break;
      default : break;
   }

   bool PLAY_AGAIN =true;

while (PLAY_AGAIN) { //Main prg loop

   Board TheBoard;
   TheBoard.Draw();
   Player one(START_X1,START_Y1,RIGHT);
   Player two(START_X2,START_Y2,LEFT);

   
   char move;
   while (!one.Crashed() && !two.Crashed()) {
   //Play routine goes here.
   //   Come up with appropriate # of times to scan keyboard
   //   If a key is pressed correctly, change direction
   //   otherwise continue in same direction
      move = Get_Move();
//out << move << ' ' << int(move) <<endl;
      //gotoxy(10,15); cout << move << flush;  
      Process_Move(move,&one,&two);
      one.Move(&TheBoard,ONE,THREE);
      two.Move(&TheBoard,TWO,FOUR);
   } //End of while
   
   gotoxy(15,0);
   if (one.Crashed() && two.Crashed())
      Win(3);
   else if (two.Crashed()) 
      Win(1);
   else 
      Win(2);
//      int g,h,i,j; one.Get_Pos(g,h);two.Get_Pos(i,j);
//cout << "One : " << g << ' ' << h << endl;
//cout << "Two : " << i << ' ' << j << endl;

   //Play again routine goes here
   bool VALID = false;
   char again;
   while (!VALID) {
      while (isready(KEYBOARD)) cin.get(again); //Clear the buffer
      while (!isready(KEYBOARD)) ; //Do nothing until key is pressed
      cin.get(again);
      switch (again) {
         case 'y': case 'Y' : VALID = true; break;
         case 'n': case 'N' : VALID = true; PLAY_AGAIN=false; break;
         default : break;
      }
   } //End of while

} //End of PLAY_AGAIN while loop
cls();
//out.close();
}

void Win(int who)
{
   gotoxy(0,0);
   cout << "***********************\n";
   cout << "* ";
   switch (who) {
      case 1 : cout <<"   Player 1 Wins!  "; break;
      case 2 : cout <<"   Player 2 Wins!  "; break;
      case 3 : cout <<"This game is a tie!"; break;
      default: cout << "      Error       "; break;
   }
   cout << " *\n";
   cout << "*  Play Again? (Y/N)  *\n";
   cout << "***********************\n" << flush;
}

void Process_Move(char move,Player* one, Player* two)
{
   switch (move) {
      case 'Q'    : break;
      case UP1    : one->Set_Dir(UP); break;
      case UP2    : two->Set_Dir(UP); break;
      case DOWN1  : one->Set_Dir(DOWN); break;
      case DOWN2  : two->Set_Dir(DOWN); break;
      case RIGHT1 : one->Set_Dir(RIGHT); break;
      case RIGHT2 : two->Set_Dir(RIGHT); break;
      case LEFT1  : one->Set_Dir(LEFT); break;
      case LEFT2  : two->Set_Dir(LEFT); break;
      default     : break; //cout << "Error in PROCESS_MOVE. move=" << move << flush;  break;
   } //End of switch
}

void Banner() 
{
   cls();
   for (int i=0; i<=79; i++) {cout<<'*';}
   for (int i=0; i<=6;  i++) {
      cout << '*';
      for (int x=1; x<=78; x++) {cout <<' ';}
      cout << '*';
   }

   cout<< "*         SSSSSS  U    U  RRRRRR  RRRRRR  OOOOOO U    U  N    N  DDDDD         *\n";
   cout<< "*         S       U    U  R    R  R    R  O    O U    U  NN   N  D    D        *\n";
   cout<< "*         SSSSSS  U    U  RRRRR   RRRRR   O    O U    U  N N  N  D    D        *\n";
   cout<< "*              S  U    U  R    R  R    R  O    O U    U  N  N N  D    D        *\n";
   cout<< "*         SSSSSS  UUUUUU  R    R  R    R  OOOOOO UUUUUU  N   NN  DDDDD         *\n";

   for (int i=0; i<=9;  i++) {
      cout << '*';
      for (int x=1; x<=78; x++) {cout <<' ';}
      cout << '*';
   }
   for (int i=0; i<=79; i++) {cout<<'*';}
   cout << flush;
   gotoxy(18,30);
   cout << "I - Instructions";
   gotoxy(19,30);
   cout << "Any other to play" << flush;
}

char Get_Move()
{
char move = 'Q';
for (int i=1; i<=5000; i++) {
   if (isready(KEYBOARD)) {
      cin.get(move);
      break;
      } //End of if
   } //End of for
//gotoxy (15,30); cout << int(move) << flush;
//out << "In Get_Move, move ="<<move<<' '<<int(move) << endl;
//if (move == ' ') move = 'Q';
return move;
}

void Inst()
{
   cls();
   for (int i=0; i<=79; i++) {cout<<'I';}
   cout << 'I';for (int x=1; x<=78; x++) {cout <<' ';} cout << 'I'<<flush;

cout << "I                          SURROUND INSTRUCTIONS                               I\n";
cout << "I                          =====================                               I\n"; 
cout <<'I';for (int i=0; i<=77; i++) {cout<<' ';} cout<<"I\n";
cout << "I     The object to SURROUND is easy.  Try to make your opponent run into an   I\n";
cout << "I     occupied space while avoiding occupied spaces yourself.  Probably        I\n";
cout << "I     the best way to do this is to try and 'trap' your opponent in a          I\n"; 
cout << "I     closed in space.  Here are the movement keys:                            I\n";
cout <<'I';for (int i=0; i<=77; i++) {cout<<' ';} cout<<"I\n";
cout << "I               Player 1         Player 2                                      I\n"; 
cout << "I               ========         ========                                      I\n"; 
cout << "I                  "<<UP1<<"                "<<UP2<<"              UP                          I\n"; 
cout << "I               "<<LEFT1<<"     "<<RIGHT1<<"          "<<LEFT2<<"     "<<RIGHT2<<"       LEFT  RIGHT                     I\n";
cout << "I                  "<<DOWN1<<"                "<<DOWN2<<"             DOWN                         I\n";
cout <<'I';for (int i=0; i<=77; i++) {cout<<' ';} cout<<"I\n";
cout << "I      They are all in caps, so you'll need CAPS LOCK on when you run the      I\n"; 
cout << "I      program.  This is a 2 player game.                                      I\n" << flush; 
for (int i=0; i<=1; i++)
   {cout <<'I';for (int x=0; x<=77; x++) {cout<<' ';} cout<<"I\n";}
cout << "I                          Press Any Key To Start                              I\n"; 
for (int i=0; i<=1; i++)
   {cout <<'I';for (int x=0; x<=77; x++) {cout<<' ';} cout<<"I\n";}
for (int i=0; i<=79; i++) {cout<<'I';}
gotoxy(0,0);
char in;
while (isready(KEYBOARD)) cin.get(in); //Clear the buffer
while (!isready(KEYBOARD)) ; //Do nothing until key is pressed
cin.get(in);
}