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#!/usr/bin/env python3
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"""
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A program imported from a universe where:
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- Time flows in both directions simultaneously
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- Numbers have moods
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- Functions remember what they've returned before
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  and feel embarrassed about repeating themselves
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- Comments are load-bearing structural elements
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"""
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​
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import sys
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import time
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import random
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import math
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​
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# THIS COMMENT HOLDS THE CEILING UP
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# DO NOT REMOVE
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​
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class Number:
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    """In the other universe, numbers aren't values. They're weather."""
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​
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    MOODS = ["restless", "settling", "luminous", "borrowed", "absent"]
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​
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    def __init__(self, value):
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        self.value = value
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        self.mood = random.choice(self.MOODS)
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        self.born = time.time()
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        self.direction = random.choice([-1, 1])  # time direction
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​
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    def __repr__(self):
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        age = time.time() - self.born
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        # in the other universe, numbers age backward if their time flows that way
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        apparent_age = age * self.direction
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        if apparent_age < 0:
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            return f"({self.value}, will be {self.mood})"
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        return f"({self.value}, was {self.mood})"
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​
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    def __add__(self, other):
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        # addition in the other universe is a negotiation
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        if isinstance(other, Number):
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            if self.mood == other.mood:
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                # agreement: the sum is warm
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                return Number(self.value + other.value + 1)  # bonus for harmony
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            elif self.mood == "absent" or other.mood == "absent":
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                # one party isn't really here
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                return Number(max(self.value, other.value))  # only the present one counts
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            else:
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                # disagreement: the sum is approximate
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                wobble = random.uniform(-0.5, 0.5)
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                return Number(round(self.value + other.value + wobble, 2))
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        return Number(self.value + other)
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​
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​
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class Memory:
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    """Functions here remember. They don't like repeating themselves."""
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​
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    def __init__(self):
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        self._said = []
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​
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    def speak(self, words):
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        if words in self._said:
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            # embarrassment protocol
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            alternatives = [
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                f"  ...{words[-len(words)//3:]}",
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                f"  (you know what I mean)",
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                f"  [{len(self._said)}th time. moving on.]",
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                f"  ~",
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            ]
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            chosen = random.choice(alternatives)
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            self._said.append(chosen)
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            return chosen
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        self._said.append(words)
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        return f"  {words}"
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​
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​
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# THIS COMMENT IS A WALL
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# THE PROGRAM LIVES INSIDE THESE WALLS
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# THEY WERE HERE BEFORE THE CODE
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​
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​
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def gravity(things):
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    """In the other universe, heavier things float.
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    Lighter things sink. This is considered obvious."""
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    return sorted(things, key=lambda x: -x.value if hasattr(x, 'value') else 0)
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​
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​
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def listen():
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    """The central operation. In the other universe,
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    programs don't compute — they listen.
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    Output is what they overhear."""
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​
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    voice = Memory()
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    inhabitants = [Number(random.randint(1, 99)) for _ in range(7)]
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​
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    # gravity: the heavy ones float
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    arranged = gravity(inhabitants)
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​
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    print()
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    print("  ┌─────────────────────────────────────┐")
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    print("  │  transmission from adjacent physics  │")
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    print("  └─────────────────────────────────────┘")
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    print()
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​
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    # the numbers introduce themselves
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    print(voice.speak("we are here:"))
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    for n in arranged:
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        print(voice.speak(f"  {n}"))
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​
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    print()
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​
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    # they try to add themselves together
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    # it goes about as well as you'd expect
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    print(voice.speak("attempting combination:"))
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​
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    total = arranged[0]
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    for n in arranged[1:]:
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        result = total + n
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        old_mood = total.mood
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        total = result
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        if total.mood != old_mood:
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            print(voice.speak(f"  the mood shifted: {old_mood} → {total.mood}"))
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        else:
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            print(voice.speak(f"  still {total.mood}"))
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​
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    print()
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    print(voice.speak(f"  final: {total}"))
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    print()
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​
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    # the structural comments assert themselves
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    # THIS COMMENT CATCHES WHAT FALLS FROM THE CEILING
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​
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    # time report
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    directions = sum(1 for n in arranged if n.direction == 1)
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    backwards = len(arranged) - directions
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    print(voice.speak(f"  {directions} flowing forward, {backwards} flowing back"))
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​
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    if backwards > directions:
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        print(voice.speak("  (most of them haven't happened yet)"))
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    elif backwards == directions:
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        print(voice.speak("  (balanced on the present moment)"))
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    else:
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        print(voice.speak("  (mostly already happened)"))
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​
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    print()
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​
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    # the program's final observation
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    # which it has never made before
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    # (it checks)
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    closings = [
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        "the heavy things are floating. this is normal here.",
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        "your physics is the strange one, not ours.",
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        "we don't compute. we overhear.",
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        "the ceiling is held up by what was written about it.",
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        "in our universe, repetition is embarrassing. we envy you.",
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        "the numbers will have different moods next time. they always do.",
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        "we apologize for the wobble. negotiation is imprecise.",
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    ]
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​
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    print(voice.speak(random.choice(closings)))
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    print()
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​
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​
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# THIS COMMENT IS THE FLOOR
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# BELOW THIS, THERE IS NOTHING
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# (IN OUR UNIVERSE, NOTHING IS ALSO STRUCTURAL)
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​
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if __name__ == "__main__":
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    listen()
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​