Players.py

from Board import *
import random

class Player:
    # HUMAN = 0
    # RANDOM = 1
    # AI = 2
    def __init__(self, player_num, player_type, ply = 0):
        """Initializes the players."""
        self.HUMAN = 0
        self.RANDOM = 1
        self.AI = 2
        self.AI_DEPTH = 4
        self.num = player_num
        self.opp = 2 - player_num + 1
        self.type = player_type
        self.ply = ply

    def __repr__(self):
        """Represents this object - returns the player's number."""
        return str(self.num)

    def score(self, board):
        if board.has_won(self.num):
            return 1
        elif board.has_won(self.opp):
            return -1
        else:
            return 0

    def choose_move(self, board, other_player):
        """Accepts moves from a 'HUMAN' player or else generates random moves if it is a 'RANDOM' player or else returns an AI generated move."""
        if self.type == self.HUMAN:
            while True:
                try:
                    move = int(input("Enter Your Move: "))
                except ValueError:
                    print("Please Enter a valid move")
                else:
                    break

            while not board.is_legal_move(self, move):
                print("Your move is not valid")
                break
            return move
        # random generation AI
        if self.type == self.RANDOM:
            move = random.choice(board.get_possible_moves(self))
            print(f'random move => {move}')
            return move
        # AI opponent with miniMax
        if self.type == self.AI:
            new_board = board.copy()
            move, _ = new_board.miniMaxMove(self, self.AI_DEPTH, self, other_player)
            print(f"AI(miniMax) move => {move}")
            return move