import random
from random import randint
playing_field = ['*', '*', '*', '*', '*'], ['*', '*', '*', '*', '*'], ['*', '*', '*', '*', '*'], ['*', '*', '*', '*', '*'], ['*', '*', '*', '*', '*']
count_of_stone = 7
stones = [randint(0, 4) for i in range(count_of_stone*2)]
for i in range(7):
    playing_field[stones[i]][stones[i+1]] = 'S'
hero_pos_x = randint(0, 4)
hero_pos_y = randint(0, 4)
playing_field[hero_pos_x][hero_pos_y] = 'H'
pos = [hero_pos_x, hero_pos_y]
last_button = ''


def drop_stone(last_btn, pos):
    if last_btn.lower() == 'w' and pos[0] - 1 > -1:
        playing_field[pos[0]-1][pos[1]] = 'S'
        hero.backpack.pop()
        hero.backpack_count -= 1
    elif last_btn.lower() == 's' and pos[0] + 1 < 6:
        playing_field[pos[0]+1][pos[1]] = 'S'
        hero.backpack.pop()
        hero.backpack_count -= 1
    elif last_btn.lower() == 'a' and pos[1] - 1 > -1:
        playing_field[pos[0]][pos[1]-1] = 'S'
        hero.backpack.pop()
        hero.backpack_count -= 1
    elif last_btn.lower() == 'd' and pos[1] + 1 < 6:
        playing_field[pos[0]][pos[1]+1] = 'S'
        hero.backpack.pop()
        hero.backpack_count -= 1


def change_pos(btn, pos):
    if (btn == 'S' or btn == 's') and pos[0] + 1 < 6:
        if playing_field[pos[0]+1][pos[1]] == 'S':
            print('If U want take stone, pls press F')
            a = input()
            if a.lower() == 'f':
                hero.backpack_count += 1
                hero.backpack.append('Stone')
        playing_field[pos[0]][pos[1]] = '*'
        pos[0] += 1
        playing_field[pos[0]][pos[1]] = 'H'
    if (btn == 'W' or btn == 'w') and pos[0] - 1 > -1:
        if playing_field[pos[0] - 1][pos[1]] == 'S':
            print('If U want take stone, pls press F')
            a = input()
            if a.lower() == 'f':
                hero.backpack_count += 1
                hero.backpack.append('Stone')
        playing_field[pos[0]][pos[1]] = '*'
        pos[0] -= 1
        playing_field[pos[0]][pos[1]] = 'H'
    if (btn == 'D' or btn == 'd') and pos[1] + 1 < 6:
        if playing_field[pos[0]][pos[1] + 1] == 'S':
            print('If U want take stone, pls press F')
            a = input()
            if a.lower() == 'f':
                hero.backpack_count += 1
                hero.backpack.append('Stone')
        playing_field[pos[0]][pos[1]] = '*'
        pos[1] += 1
        playing_field[pos[0]][pos[1]] = 'H'
    if (btn == 'A' or btn == 'a') and pos[1] - 1 > -1:
        if playing_field[pos[0]][pos[1]-1] == 'S':
            print('If U want take stone, pls press F')
            a = input()
            if a.lower() == 'f':
                hero.backpack_count += 1
                hero.backpack.append('Stone')
        playing_field[pos[0]][pos[1]] = '*'
        pos[1] -= 1
        playing_field[pos[0]][pos[1]] = 'H'
    return pos


def printing_field(playing_field):
    for i in range(5):

        for j in range(5):
            if j != 4:
                print(playing_field[i][j], end='')
            else:
                print(playing_field[i][j])


class Hero:
    species = 'lion'
    name = 'Artur'
    hp = 10
    backpack_count = 0
    backpack = []
    # def __init__(self, lvl):
    #     self.lvl = lvl
    # def __init__(self):
    #     pass

    # action
    def print_inv(self):
        if len(self.backpack) != 0:
            for i in range(len(self.backpack)):
                if i != len(self.backpack):
                    print(self.backpack[i], end='')
                else:
                    print(self.backpack[i])


printing_field(playing_field)
hero = Hero

while hero.hp > 0:
    print('press one of keys WASD, Q to drop stone, I to check inventory')
    button = str(input())
    if button.lower() == 'i':
        print(hero.backpack)
    if button.lower() == 'q':
        drop_stone(last_button, pos)

    if button.lower() == 'w' or button.lower() == 's' or button.lower() == 'a' or button.lower() == 'd':
        pos = change_pos(button, pos)
        last_button = button

    if hero.backpack_count > 0 and button.lower() != 'i':
        print('count items in backpack =', hero.backpack_count)
    if button.lower() != 'i':
        printing_field(playing_field)
        print(pos[0], pos[1])