import gradio as gr
import chess
import chess.svg
import numpy as np

# Set up the chessboard and the empty board squares
board = chess.Board()
board_array = np.zeros((8, 8), dtype=np.int8)

# Define the class for the chess pieces
class Piece:
    def __init__(self, name, value, icon):
        self.name = name
        self.value = value
        self.icon = icon

# Define the different chess pieces
pieces = [
    Piece("King", 0, chess.svg.King),
    Piece("Queen", 9, chess.svg.Queen),
    Piece("Rook", 5, chess.svg.Rook),
    Piece("Bishop", 3, chess.svg.Bishop),
    Piece("Knight", 3, chess.svg.Knight),
    Piece("Pawn", 1, chess.svg.Pawn),
]

# Define the chess moves for each piece
def get_moves(piece, pos):
    return piece.icon.get_moves(pos)

# Define the function to update the board
def update_board(board_array, piece, pos, value):
    board_array[pos // 8, pos % 8] = value
    return board_array

# Define the function to generate the next move
def generate_move(board_array):
    for pos in range(64):
        if board_array[pos // 8, pos % 8] != 0:
            piece = board.piece_at(pos)
            moves = piece.get_moves(pos)
            for move in moves:
                new_pos = board.push(chess.Move(pos, move))
                if new_pos.is_checkmate():
                    break
            else:
                continue
            board_array = update_board(board_array, piece, new_pos, 0)
            return board_array

def chess(board_array):
    board = chess.Board()
    while not board.is_game_over():
        moves = [get_moves(piece, pos) for pos in range(64) if board.piece_at(pos) is not None]
        moves = [move for move in moves if move != 0]
        if len(moves) == 0:
            break
        move = np.random.choice(moves)
        pos = np.where(board_array == move)
        value = board_array[pos[0], pos[1]]
        board_array = update_board(board_array, piece, pos, value)
    return board_array

# Define the Gradio interface
demo = gr.Interface(
    fn=chess,
    inputs=[
        gr.Image(label="Chessboard", shape=(8, 8), mode="L"),
        gr.Slider(min_value=1, max_value=64, step=1, value=2, label="Piece"),
        gr.Dropdown(label="Move", items=["Up", "Down", "Left", "Right"]),
    ],
    outputs=gr.Image(label="Updated Chessboard", shape=(8, 8), mode="L"),
    title="Chess",
    description="A simple chess app using Python and Gradio",
)

if __name__ == "__main__":
    demo.launch()