# writing the silly evaluation function for our chess engine

import chess

pawntable = [
    0, 0, 0, 0, 0, 0, 0, 0,
    50, 50, 50, 50, 50, 50, 50, 50,
    10, 10, 20, 30, 30, 20, 10, 10,
    5, 5, 10, 25, 25, 10, 5, 5,
    0, 0, 0, 20, 20, 0, 0, 0,
    5, -5, -10, 0, 0, -10, -5, 5,
    5, 10, 10, -20, -20, 10, 10, 5,
    0, 0, 0, 0, 0, 0, 0, 0]

knighttable = [
    -50, -40, -30, -30, -30, -30, -40, -50,
    -40, -20, 0, 0, 0, 0, -20, -40,
    -30, 0, 10, 15, 15, 10, 0, -30,
    -30, 5, 15, 20, 20, 15, 5, -30,
    -30, 0, 15, 20, 20, 15, 0, -30,
    -30, 5, 10, 15, 15, 10, 5, -30,
    -40, -20, 0, 5, 5, 0, -20, -40,
    -50, -40, -30, -30, -30, -30, -40, -50,
]

bishoptable = [
    -20, -10, -10, -10, -10, -10, -10, -20,
    -10, 0, 0, 0, 0, 0, 0, -10,
    -10, 0, 5, 10, 10, 5, 0, -10,
    -10, 5, 5, 10, 10, 5, 5, -10,
    -10, 0, 10, 10, 10, 10, 0, -10,
    -10, 10, 10, 10, 10, 10, 10, -10,
    -10, 5, 0, 0, 0, 0, 5, -10,
    -20, -10, -10, -10, -10, -10, -10, -20,
]

rooktable = [
    -20, -10, -10, -10, -10, -10, -10, -20,
    -10, 0, 0, 0, 0, 0, 0, -10,
    -10, 0, 5, 10, 10, 5, 0, -10,
    -10, 5, 5, 10, 10, 5, 5, -10,
    -10, 0, 10, 10, 10, 10, 0, -10,
    -10, 10, 10, 10, 10, 10, 10, -10,
    -10, 5, 0, 0, 0, 0, 5, -10,
    -20, -10, -10, -10, -10, -10, -10, -20,
]

queentable = [
    -20, -10, -10, -5, -5, -10, -10, -20,
    -10, 0, 0, 0, 0, 0, 0, -10,
    -10, 0, 5, 5, 5, 5, 0, -10,
    -5, 0, 5, 5, 5, 5, 0, -5,
    0, 0, 5, 5, 5, 5, 0, -5,
    -10, 5, 5, 5, 5, 5, 0, -10,
    -10, 0, 5, 0, 0, 0, 0, -10,
    -20, -10, -10, -5, -5, -10, -10, -20
]


def eval(board, white):
    score = 900 * (len(board.pieces(6, 1)) - len(board.pieces(6, 0))) + 90 * (len(board.pieces(5, 1)) - len(board.pieces(5, 0))) + 50 * (len(board.pieces(4, 1)) - len(board.pieces(4, 0))) + 30.25 * (len(board.pieces(3, 1)) - len(board.pieces(3, 0))) + 30 * (len(board.pieces(2, 1)) - len(board.pieces(2, 0))) + 10 * (len(board.pieces(1, 1)) - len(board.pieces(1, 0)))
    if not white:
        return -score
    else:
        return score