# BabyDragon Example
# Simulate actions of a baby dragon.
# Modified from IT 211 Ruby text by Chris Pine.

import sys

class BabyDragon:

    # Initialize runs when constructor is invoked.
    def __init__(self, the_name):

        # A pet baby dragon must have a name.
        self.name = the_name

        # It is born awake.
        self._asleep = False

        # It is born with food in its stomach
        self._stuff_in_stomach = 10

        # Initially, doesn't have to go
        self._stuff_in_intestine = 0

    def eat(self):
        print(f"{self.name} eats food.")
        self._stuff_in_stomach = 10
        self._passage_of_time( ) 

    def go_for_walk(self):
        print(f"{self.name} goes for walk.")
        self._stuff_in_intestine = 0
        self.passage_of_time( )

    def get_put_to_bed(self):
        print(f"{self.name} goes to bed.")
        self._asleep = True
        for i in range(1, 4):
            if self._asleep:
                self._passage_of_time( )

        if self._asleep:
            print(f"{self.name} snores, " + \
                "filling room with smoke.")


        if self._asleep:
            print(f"{self.name} wakes up slowly.")

    def get_tossed(self):
        print(f"{self.name} gets tossed into the air.")
        print(f"{self.name} giggles, which singes your eyebrows.")
        self._passage_of_time( )

    def get_rocked(self):
        print(f"{self.name} gets rocked gently.")
        self._asleep = True
        print(f"{self.name} briefly dozes off ...")
        self._passage_of_time( )
        self._asleep = False
        print(f"... but wakes up when you stop.")

    # Private methods cannot be called by you
    # They can only be called by the baby dragon itself.

    def _is_hungry(self):
        self._stuff_in_stomach <= 2

    def _must_go(self):
        self._stuff_in_intestine >= 8

    def _wake_up_suddenly(self):
        self._asleep = False
        print(f"{self.name} wakes up suddenly!")

    def _passage_of_time(self):

        if self._stuff_in_stomach > 0:
        # Move food from stomach to intestine.
            self._stuff_in_stomach -= 1
            self._stuff_in_intestine += 1
        else: 
            # Dragon is starving!
            if self._asleep:
                self._wake_up_suddenly( )
                print(f"{self.name} is starving! " + \
                    "In desperation, he eats YOU!!")
                sys.exit( )

        if self._stuff_in_intestine >= 10:
            print("Whoops, had an accident.")
        self._stuff_in_intestine = 0

        if self._is_hungry( ) and self._asleep:
            self.wake_up_suddenly( )
      
        print(f"{self.name}'s stomach grumbles.")

        if self._must_go( ):
            if self._asleep:
                wake_up_suddenly( )
      
        print(f"{self.name} walks in circles and looks at you.")