import random

# BEGIN: constants and globals
board = [[],[]]
HUMAN = 0
COMPUTER = 1

EMPTY = 0
SHIP = 1
HIT = 2
MISS = 3

shipsNumber = 1
ships = [shipsNumber*2, shipsNumber*2]
# END: constants and globals


def initializeGameboard():
    for who in [HUMAN, COMPUTER]:
        safety = 100
        shipsToSet = shipsNumber
        for r in range(10):
            row = []
            
            for c in range(10):
                row.append(EMPTY)
                
            board[who].append(row)
            
        # Or the same with list comprehension
        # which is more Pythonic approach but less universal (portable)
        '''
        board[who] = [[EMPTY for _ in range(10)] for _ in range(10)]
        '''
        
        while True and safety > 0:
            orientation = random.randint(0, 1)
            
            if orientation == 0: # Vertical orientation
                r = random.randint(0, 9-1)
                c = random.randint(0, 9)
                
                if board[who][r][c] == EMPTY and board[who][r+1][c] == EMPTY:
                    board[who][r][c] = SHIP
                    board[who][r+1][c] = SHIP
                    
                    shipsToSet -= 1
            else: # Horizontal orientation
                r = random.randint(0, 9)
                c = random.randint(0, 9-1)
                
                if board[who][r][c] == EMPTY and board[who][r][c+1] == EMPTY:
                    board[who][r][c] = SHIP
                    board[who][r][c+1] = SHIP
                    
                    shipsToSet -= 1
            
            safety -= 1
            
            if shipsToSet == 0:
                break
        
        if safety == 0:
            print("PROBLEM Z USTAWIENIEM STATKÓW")
        
        
def printGameboard(forWhom):
    who = forWhom
    whoReadable = "Komputera" if who == COMPUTER else "Gracza"
    print(f'\n=== stan planszy {whoReadable} ===\n')
    print('  0123456789')
    for r in range(0,10):
        print(f'{r} ', end = '')
        for c in range(0,10):
            if board[who][r][c] == EMPTY:
                print('.', end = '')
            elif board[who][r][c] == SHIP:
                print('#', end = '')
            elif board[who][r][c] == HIT:
                print('X', end = '')
            elif board[who][r][c] == MISS:
                print('*', end = '')
        print()


def getOpponent(forPlayer):
    return HUMAN if forPlayer == COMPUTER else COMPUTER


def switchPlayer(currentPlayer):
    return getOpponent(forPlayer = currentPlayer)


def getReadableName(who):
    return "Gracza" if who == HUMAN else "Komputera"


def checkIfPlayerIsWinner(who):
    opponent = getOpponent(forPlayer = who)
    if ships[opponent] == 0:
        return True

    return False


def shot(forPlayer):
    who = forPlayer
    if who == HUMAN:
        r = int(input('Podaj wiersz'))
        c = int(input('Podaj kolumnę'))
    else:
        r = random.randint(0, 9)
        c = random.randint(0, 9)
        
    opponent = getOpponent(forPlayer = who)
    
    if r>=0 and r<=9 and c>=0 and c<= 9:
        if board[opponent][r][c] == SHIP:
            board[opponent][r][c] = HIT
            ships[opponent] -= 1
        elif board[opponent][r][c] == EMPTY:
            board[opponent][r][c] = MISS
        else:
            print("Niepoprawne współrzędne, tracisz swój ruch.")
    else:
        print("Współrzędne ze złego zakresu.")


def mainGameLoop():
    who = HUMAN        
    while True:
        whoReadable = getReadableName(who = who)
        print(f"Teraz kolej {whoReadable}")

        shot(forPlayer = who)
        opponent = getOpponent(who)
        printGameboard(forWhom = opponent)

        if checkIfPlayerIsWinner(who):
            player = "Wygrałeś!" if who == HUMAN else "Komputer wygrał!"
            print(f"Brawo! {player}")
            break

        who = switchPlayer(currentPlayer = who)
        
        
initializeGameboard() 
printGameboard(forWhom = HUMAN)
printGameboard(forWhom = COMPUTER)
mainGameLoop()