#Feature toggles 
USE_COLOR = True 
TITLE_MODE = "once"
USE_BG = False 


# === Title (grunge banner: IRON LUNG) ===
TITLE_GRUNGE = r"""
██╗██████╗  ██████╗  ██████╗ ███╗  ██╗     ██╗     ██╗   ██╗██╗   ██╗ ███╗  ██╗ ██████╗ 
██║██╔══██╗██╔═══██╗██╔═══██╗████╗ ██║     ██║     ██║   ██║██║   ██║ ████╗ ██║██╔════╝ 
██║██████╔╝██║   ██║██║   ██║██╔██╗██║     ██║     ██║   ██║██║   ██║ ██╔██╗██║██║  ██╗
██║██╔══██╗██║   ██║██║   ██║██║╚████║██   ██║     ██║   ██║██║   ██║ ██║╚████║██║  ╚██╗
██║██║  ██║╚██████╔╝╚██████╔╝██║ ╚███║╚█████╔╝     ╚██████╔╝╚██████╔╝ ██║ ╚███║╚██████╔╝
""".strip("\n")


# Monster face tuning 
Nose = "0"
EYE_SPACING = 3 #space between the eyes 
MOUTH_WIDTH = 7 #width of the mouth 
PADDING_LEFT = 2 #left margin padding 

#ANSI color helpers 
class Color: 
    RESET = "\033[0m"
    BOLD = "\033[1m"
    FG_WHITE = "\033[97m"
    FG_GRAY = "\033[90m"
    FG_YELLOW = "\033[33m"
    FG_MAGENTA = "\033[35m"
    FG_GREEN = "\033[32m"

def style(text, *effects): 
    """Apply ANSI effects if USE_COLOR is True. Otherwise return text unchanged."""
    if not USE_COLOR or not effects: 
        return text
    return f"{''.join(effects)}{text}{color.RESET}"

    #grunge background 
    def print_grunge_background(width=100, height=8, density=0.08):

        import random 
        chars = " .,:;i1tfLCG08@" #Light to heavy 
        for _ in range(height):
            row = ".join(random.choice(chars) if random.random() < density else " "
                            for _ in range(width)) 
            print(style(row, Color.FG_GRAY))

# Title printing (center + style)
def print_title_centered(banner: str): 

    try: 
        import shutil 
        width = shutil.get_terminal_size((100, 24)).columns 
    except Exception: 
        width = 100: 

    if USE_BG: 
        print_grunge_background(width=width , height=8, density=0.08) 

    lines = banner.splitlines()
    centered = [(" " * max(0, (width - len(line)) // 2)) + line for line in lines]
    print(style("\n" .join(centered), Color.BOLD, Color.FG_WHITE))


# Monster building/printing 
def make_face(ch: str, 
              nose: str = NOSE, 
              eye_spaceing: int = EYE_SPACING, 
               mouth_width: int = MOUTH_WIDTH,
             left_pad: int = PADDING_LEFT) -> str: 

    """
    Build a multi-line string of a simple face: 
    Eyes line <pad> [ch] <spaces> [ch]
    Nose line: <pad + floor(spacing/2) spaces> [nose]
    Mouth line: <pad> [ch * mouth_width]
    """

    pad = " " * left_pad 
    eyes = f "{pad}{ch} {' ' * (eye_spacing}{ch}"
    nose_line = f"{pad} {' ' * (eye_spacing // 2)}{nose}"
    mouth = f"{pad}{ch * mouth_width}"
    return "\n".join([eyes, nose_line, mouth])

def print_monster(ch: str): 
    if TITLE_MODE == "each": 
        print_title_centered(TITLE_GRUNGE)

    face = make_face(ch)
    lines = face.splitlines()
    if USE_COLOR and len(lines) >= 3: 
        lines[0] = style(lines[0], Color.FG_YELLOW) #eyes 
        lines[1] = style(lines[1], Color.FG_MAGENTA) #nose 
        lines[2] = style(lines[2], Color.FG_GREEN) #Mouth 
    print("\n".join(lines))
    print()

#Main input loop 
def main(): 
    if TITLE_MODE == "once": 
        print_title_centered(TITLE_GRUNGE)

    while True: 
        user_input = input("Enter a character ('q' to quit): ").strip)
        if not user_input: 
            print("Please enter at least one character.")
            continue

        ch = user_input[0]
        if ch.lower() == "q": 
            break 

        print_monster(ch)

    print("Goodbye. \n")

if__name__ == "__main__":
    main()