from board import Board
from square import Square
from pawn import Pawn
from knight import Knight
from bishop import Bishop
from rook import Rook
from queen import Queen
from king import King
import random

class Move:
    def move_rival(self, ruch):
        self.from_column = Move.letters_to__numbers(ruch[0])
        self.from_row = int(ruch[1])
        self.to_column = Move.letters_to__numbers(ruch[3])
        self.to_row = int(ruch[4])
        #update board
        self.x = self.board.boardlist[self.from_row][self.from_column].piece
        self.board.boardlist[self.from_row][self.from_column].piece = None
        self.board.boardlist[self.to_row][self.to_column].piece = self.x
        Move.pawn_promotion(self, self.x, self.to_row)
        self.board.boardlist[self.to_row][self.to_column].piece.moved = True
        return self.board.boardlist[self.to_row][self.to_column].piece.color
    def move_boot(self, color):
        self.initial_row, self.initial_column, self.final_row, self.final_column = Move.random_valid_move(self, color)
        self.x=self.board.boardlist[self.initial_row][self.initial_column].piece
        self.board.boardlist[self.initial_row][self.initial_column].piece = None
        Move.mat(self, self.x, self.final_row, self.final_column)
        self.board.boardlist[self.final_row][self.final_column].piece = self.x
        Move.pawn_promotion(self, self.x, self.final_row)
        # update piece
        self.board.boardlist[self.final_row][self.final_column].piece.moved = True
        self.board.boardlist[self.final_row][self.final_column].piece.delete_moves()
        self.initial_column = Move.numbers_to_letters(self.initial_column)
        self.final_column = Move.numbers_to_letters(self.final_column)
        self.ruch = str(self.initial_column) + str(self.initial_row) + ' ' + str(self.final_column) + str(
            self.final_row)
        return self.ruch
    def random_valid_move(self, color):
        #usuwanie ruchów z valid_moves, które mogłyby doprowadzić do szachowania króla
        self.boot_piece = []
        self.piece_row_column = []
        for r in range(0, 8):
            for c in range(0, 8):
                if self.board.boardlist[r][c].has_piece():
                    if self.board.boardlist[r][c].piece.color != color:
                        self.kopia = []
                        for move in self.board.boardlist[r][c].piece.valid_moves:
                            if Move.check_szach(self, color, r, c, move[0], move[1]) is False:
                                self.kopia.append(move)
                        self.board.boardlist[r][c].piece.valid_moves=self.kopia
        #spis pól z figurami, które mają możliwość ruchu
        for r in range(8):
            for c in range(8):
                if self.board.boardlist[r][c].has_piece() and self.board.boardlist[r][c].piece.color != color:
                    if (len(self.board.boardlist[r][c].piece.valid_moves)>0):
                        self.boot_piece.append(self.board.boardlist[r][c])
        if (len(self.boot_piece)==0):
            print("MAT")
            exit(0)
        #losowanie figury
        self.value = random.randrange(0, len(self.boot_piece))
        self.initial_square = self.boot_piece[self.value]
        #losowanie ruchu figury
        self.move_initial_row = self.initial_square.row
        self.move_initial_column = self.initial_square.column
        self.value = random.randrange(0, len(self.initial_square.piece.valid_moves))
        self.move_final_square = self.initial_square.piece.valid_moves[self.value]
        self.move_final_row = self.move_final_square[0]
        self.move_final_column = self.move_final_square[1]
        return self.move_initial_row, self.move_initial_column, self. move_final_row, self.move_final_column #, self.x
    def calc_moves(self, piece, row, column):
        #piece.delete_moves()
        piece.valid_moves=[]
        if piece.name == 'rook':
            Rook.straightline_moves(self, piece, row, column)
            pass
        elif piece.name == 'pawn':
            Pawn.pawn_moves(self, piece, row, column)
            pass
        elif piece.name == 'knight':
            Knight.knight_moves(self, piece, row, column)
        elif piece.name == 'bishop':
            pass
            Bishop.straightline_moves(self, piece, row, column)
        elif piece.name == 'queen':
            pass
            Queen.straightline_moves(self, piece, row, column,True)
            Queen.straightline_moves(self, piece, row, column,False)
        elif piece.name == 'king':
            King.king_moves(self, piece, row, column)
            pass
    def pawn_promotion(self, x, final_row):
        if x.name == "pawn":
            if (final_row == 0) or (final_row == 7):
                x.name = "queen"
    def mat(self, x, final_row, final_column):
        if self.board.boardlist[final_row][final_column].has_piece():
            if self.board.boardlist[final_row][final_column].piece.name == 'king':
                exit(0)
        pass
    def check_szach(self, color, initial_row, initial_column, final_row, final_column):
        #zapisanie poprzedniego ustawienia tablicy i wykonanie ruchu
        self.piece = self.board.boardlist[initial_row][initial_column].piece
        self.previous_piece = self.board.boardlist[final_row][final_column].piece
        self.board.boardlist[initial_row][initial_column].piece = None
        self.board.boardlist[final_row][final_column].piece = self.piece
        for r in range(8):
            for c in range(8):
                if self.board.boardlist[r][c].has_piece():
                    if self.board.boardlist[r][c].piece.color == color:
                        Move.calc_moves(self, self.board.boardlist[r][c].piece, r, c)
                    elif self.board.boardlist[r][c].piece.name=='king':
                        self.king_position = (r, c)
        for r2 in range(8):
            for c2 in range(8):
                if self.board.boardlist[r2][c2].has_piece():
                    if self.board.boardlist[r2][c2].piece.color == color:
                        if self.king_position in self.board.boardlist[r2][c2].piece.valid_moves:
                            self.board.boardlist[final_row][final_column].piece=self.previous_piece
                            self.board.boardlist[initial_row][initial_column].piece= self.piece
                            for rowxd2 in range(8):
                                for columnxd2 in range(8):
                                    if self.board.boardlist[rowxd2][columnxd2].has_piece():
                                        if self.board.boardlist[rowxd2][columnxd2].piece.color == color:
                                            Move.calc_moves(self, self.board.boardlist[rowxd2][columnxd2].piece, rowxd2,columnxd2)
                            return True
        self.board.boardlist[final_row][final_column].piece = self.previous_piece
        self.board.boardlist[initial_row][initial_column].piece = self.piece
        for rowxd in range(8):
            for columnxd in range(8):
                if self.board.boardlist[rowxd][columnxd].has_piece():
                    if self.board.boardlist[rowxd][columnxd].has_piece():
                        if self.board.boardlist[rowxd][columnxd].piece.color == color:
                            Move.calc_moves(self, self.board.boardlist[rowxd][columnxd].piece, rowxd, columnxd)
        return False
    @staticmethod
    def numbers_to_letters(number):
        if number == 0:
            number = "A"
        elif number == 1:
            number = "B"
        elif number == 2:
            number = "C"
        elif number == 3:
            number = "D"
        elif number == 4:
            number = "E"
        elif number == 5:
            number = "F"
        elif number == 6:
            number = "G"
        elif number == 7:
            number = "H"
        return number
    @staticmethod
    def letters_to__numbers(letter):
        if letter == 'A':
            letter = 0
        elif letter == 'B':
            letter = 1
        elif letter == 'C':
            letter = 2
        elif letter == 'D':
            letter = 3
        elif letter == 'E':
            letter = 4
        elif letter == 'F':
            letter = 5
        elif letter == 'G':
            letter = 6
        elif letter == 'H':
            letter = 7
        return letter