import random

next_state = "intro"
name = input("What is your name?")
flags_set = {}
state_counter = 2

player_health = 30

current_weapons = []
inventory = ["Gummies", "Gummies", "Gummies"]

def next_state_counter(active):
    global next_state
    global state_counter
    if active == "yes":
        state_counter -= 1
    next_state = choice["action"]


def determine_flag_state(required_flags, current_flags):
    for key in required_flags:
        if current_flags.get(key, False) != required_flags[key]:
            return False
    return True


def rpg_game():
    global player_health
    print("A monster approaches")
    while True:
        enemy1 = 25
        bare_hand = random.randrange(8, 15)
        flee_chances = random.randrange(1, 10)
        defend_damange = random.randrange(3, 5)
        enemy_attack = random.randrange(7, 10)
        gummie = 5
        print(name + ': ' + str(player_health) + " hp.\nEnemy: " + str(enemy1) + " hp.")
        print("What will you do?\n"
              "1)Attack\n"
              "2)Defend\n"
              "3)Use Item\n"
              "4)Flee")
        action = input()
        if action == "1":
            print("You attacked.\n"
                  "You dealt a total of " + str(bare_hand) + " damage.")
            enemy1 -= bare_hand
            if enemy1 >= 0:
                player_health -= enemy_attack
                print("Enemy dealt " + str(enemy_attack) + " damage.")
            elif enemy1 <= 0:
                print("Enemy was defeated.")
                break
            continue
        elif action == "2":
            print("You pulled out your shield.")
            player_health -= defend_damange
            print("You only took " + str(defend_damange) + " damage.")
            continue
        elif action == "3":
            print("Inventory:\n"
                  "What will you use?")
            if player_health >= 30:
                print("It had no effect.")
            elif player_health == min(player_health += gummie, 30):
                player_health += gummie
                if player_health >= 30:
                    player_health = 30
            print("You healed!")
            continue
        elif action == "4":
            print(flee_chances)
            if flee_chances <= 5:
                print("You escaped.")
                break
            else:
                print("You couldn't escape")
                print("Enemy dealt " + str(enemy_attack) + " damage.")
                continue
        print("That is not a valid answer.")


states = {
    "intro": {
        "text": [
            "This is the intro.",
            "I hope I am able to become a programmer one day!"
        ],
        "choices": [
            {"text": "Go to the middle", "action": "middle"},
            {"text": "Go to the end", "action": "end"}
        ],
    },
    "middle": {
        "text": [
            "You have reached the middle.",
            "This is not the end"
        ],
        "jump": "extra"
    },
    "extra": {
        "text": [
            "This is a section you arrived to automatically.",
            "You see a door with the word 'Exit' on top written in big red letters."
        ],
        "choices": [
            {"text": "Open door", "action": "not end", "flag_check": {"light is on": False}},
            {"text": "Open door the door", "action": "end", "flag_check": {"light is on": True}}
        ]
    },
    "not end": {
        "text": [
            "You are close to the end, but it is to dark.",
            "While trying to feel your way out, you find a light switch."
        ],
        "choices": [
            {"text": "Turn on the light", "action": "light is turned on"},
            {"text": "Keep walking", "action": "light was ignored"}
        ]
    },
    "light is turned on": {
        "text": [
            "You turned on the light.",
            "You can see the way out"
        ],
        "jump": "end",
        "flags": {
            "light is on": True
        }
    },
    "light was ignored": {
        "text": [
            "You ignored the light switch.",
            "You're not sure that you will ever reach the end.",
            "After being lost in the darkness for to long you search the walls",
            "hoping to find another light switch.",
            "As you search the wall your hand gets covered in cobwebs,",
            "before the spiders have a chance to come out,",
            "you find another light switch!"
        ],
        "jump": "light is turned on"
    },
    "end": {
        "text": [
            "You have arrived at the end, but is it really over?",
            "That will be for you to decide"
        ],
        "choices": [
            {"text": "Not ready to go.", "action": "middle"},
            {"text": "Pull the plug", "action": None}
        ]
    }
}

while next_state != None:
    counter_active = "yes"

    if state_counter <= 0:
        rpg_game()
        state_counter = 2

    current_state = states[next_state]
    print(*current_state["text"], sep="\n")

    if "flags" in current_state:
        flags_set.update(current_state["flags"])

    if "jump" in current_state:
        next_state = current_state["jump"]
        counter_active = "no"
        continue

    enabled_choices = []
    counter = 1
    for choice in current_state["choices"]:
        if "flag_check" not in choice or determine_flag_state(choice["flag_check"], flags_set, ):
            print(str(counter) + ") " + choice["text"])
            counter = counter + 1
            enabled_choices.append(choice)

    while True:
        answer = input()
        length = len(enabled_choices)
        if answer.isdigit():
            position = int(answer)
            if 0 < position <= length:
                break
        print("That is not a valid answer.")

    answer = int(answer) - 1
    choice = enabled_choices[answer]

    next_state_counter(counter_active)