from tkinter import *
from tkinter import messagebox
import random

class Board:
 bg_color={

 '2': '#eee4da',
 '4': '#ede0c8',
 '8': '#edc850',
 '16': '#edc53f',
 '32': '#f67c5f',
 '64': '#f65e3b',
 '128': '#edcf72',
 '256': '#edcc61',
 '512': '#f2b179',
 '1024': '#f59563',
 '2048': '#edc22e',
 }
 color={
  '2': '#776e65',
 '4': '#f9f6f2',
 '8': '#f9f6f2',
 '16': '#f9f6f2',
 '32': '#f9f6f2',
 '64': '#f9f6f2',
 '128': '#f9f6f2',
 '256': '#f9f6f2',
 '512': '#776e65',
 '1024': '#f9f6f2',
 '2048': '#f9f6f2',
 }

 def __init__(self):
 self.window=Tk()
 self.window.title('ProjectGurukul 2048 Game')
 self.gameArea=Frame(self.window,bg= 'azure3')
 self.board=[]
 self.gridCell=[[0]*4 for i in range(4)]
 self.compress=False
 self.merge=False
 self.moved=False
 self.score=0

 for i in range(4):
  rows=[]
  for j in range(4):
  l=Label(self.gameArea,text='',bg='azure4',
  font=('arial',22,'bold'),width=4,height=2)
  l.grid(row=i,column=j,padx=7,pady=7)

  rows.append(l)
  self.board.append(rows)
 self.gameArea.grid()

 def reverse(self):
 for ind in range(4):
  i=0
  j=3
  while(i<j):
  self.gridCell[ind][i],self.gridCell[ind][j]=self.gridCell[ind][j],self.gridCell[ind][i]
  i+=1
  j-=1

 def transpose(self):
 self.gridCell=[list(t)for t in zip(*self.gridCell)]

 def compressGrid(self):
 self.compress=False
 temp=[[0] *4 for i in range(4)]
 for i in range(4):
  cnt=0
  for j in range(4):
  if self.gridCell[i][j]!=0:
   temp[i][cnt]=self.gridCell[i][j]
   if cnt!=j:
   self.compress=True
   cnt+=1
 self.gridCell=temp

 def mergeGrid(self):
 self.merge=False
 for i in range(4):
  for j in range(4 - 1):
  if self.gridCell[i][j] == self.gridCell[i][j + 1] and self.gridCell[i][j] != 0:
   self.gridCell[i][j] *= 2
   self.gridCell[i][j + 1] = 0
   self.score += self.gridCell[i][j]
   self.merge = True

 def random_cell(self):
 cells=[]
 for i in range(4):
  for j in range(4):
  if self.gridCell[i][j] == 0:
   cells.append((i, j))
 curr=random.choice(cells)
 i=curr[0]
 j=curr[1]
 self.gridCell[i][j]=2
 
 def can_merge(self):
 for i in range(4):
  for j in range(3):
  if self.gridCell[i][j] == self.gridCell[i][j+1]:
   return True
 
 for i in range(3):
  for j in range(4):
  if self.gridCell[i+1][j] == self.gridCell[i][j]:
   return True
 return False

 def paintGrid(self):
 for i in range(4):
  for j in range(4):
  if self.gridCell[i][j]==0:
   self.board[i][j].config(text='',bg='azure4')
  else:
   self.board[i][j].config(text=str(self.gridCell[i][j]),
   bg=self.bg_color.get(str(self.gridCell[i][j])),
   fg=self.color.get(str(self.gridCell[i][j])))


class Game:
 def __init__(self,gamepanel):
 self.gamepanel=gamepanel
 self.end=False
 self.won=False

 def start(self):
 self.gamepanel.random_cell()
 self.gamepanel.random_cell()
 self.gamepanel.paintGrid()
 self.gamepanel.window.bind('<Key>', self.link_keys)
 self.gamepanel.window.mainloop()
 
 def link_keys(self,event):
 if self.end or self.won:
  return

 self.gamepanel.compress = False
 self.gamepanel.merge = False
 self.gamepanel.moved = False

 presed_key=event.keysym

 if presed_key=='Up':
  self.gamepanel.transpose()
  self.gamepanel.compressGrid()
  self.gamepanel.mergeGrid()
  self.gamepanel.moved = self.gamepanel.compress or self.gamepanel.merge
  self.gamepanel.compressGrid()
  self.gamepanel.transpose()

 elif presed_key=='Down':
  self.gamepanel.transpose()
  self.gamepanel.reverse()
  self.gamepanel.compressGrid()
  self.gamepanel.mergeGrid()
  self.gamepanel.moved = self.gamepanel.compress or self.gamepanel.merge
  self.gamepanel.compressGrid()
  self.gamepanel.reverse()
  self.gamepanel.transpose()

 elif presed_key=='Left':
  self.gamepanel.compressGrid()
  self.gamepanel.mergeGrid()
  self.gamepanel.moved = self.gamepanel.compress or self.gamepanel.merge
  self.gamepanel.compressGrid()

 elif presed_key=='Right':
  self.gamepanel.reverse()
  self.gamepanel.compressGrid()
  self.gamepanel.mergeGrid()
  self.gamepanel.moved = self.gamepanel.compress or self.gamepanel.merge
  self.gamepanel.compressGrid()
  self.gamepanel.reverse()
 else:
  pass

 self.gamepanel.paintGrid()
 print(self.gamepanel.score)

 flag=0
 for i in range(4):
  for j in range(4):
  if(self.gamepanel.gridCell[i][j]==2048):
   flag=1
   break

 if(flag==1): #found 2048
  self.won=True
  messagebox.showinfo('2048', message='You Wonnn!!')
  print("won")
  return

 for i in range(4):
  for j in range(4):
  if self.gamepanel.gridCell[i][j]==0:
   flag=1
   break

 if not (flag or self.gamepanel.can_merge()):
  self.end=True
  messagebox.showinfo('2048','Game Over!!!')
  print("Over")

 if self.gamepanel.moved:
  self.gamepanel.random_cell()
 
 self.gamepanel.paintGrid()
 

gamepanel =Board()
game2048 = Game( gamepanel)
game2048.start()