Non-graphical turn-based combat game using Tkinter

battle.py

import random as r, tkinter as tk, namemaker, sys, time
from tkinter import ttk, messagebox as mb

if len(sys.argv) < 2:
    raise OSError("Please enter a name, like this \"python3 battle.py [player_name]\"")

PLAYER_NAME = sys.argv[1]
BOSS_NAME = namemaker.randomName(4, "cv").capitalize()
BOSS_SPECIES = namemaker.randomName(r.randint(2, 5), "cvc").capitalize()
player_data = {
    "maxhealth": 200,
    "health": 200,
    "atk": 21,
    "def": 35,
}
boss_data = {
    "maxhealth": 400,
    "health": 400,
    "atk": 34,
    "def": 19
}

win = tk.Tk()
win.title(f"{BOSS_NAME} emerges!")
win.geometry("500x500")

title = tk.Frame(master=win)
status = tk.Frame(master=win)
command = tk.Frame(master=win)

battle_lb = tk.Label(
    master=title,
    text=f"Get ready for rumble...!\n{PLAYER_NAME} vs {BOSS_NAME} the {BOSS_SPECIES}",
    font=("Ubuntu", 13)
)

health_section = tk.Frame(master=status)
player = {
    "name": tk.Label(
        master=health_section,
        text=PLAYER_NAME,
        font=("Ubuntu Condensed", 14)
    ),
    "health": ttk.Progressbar(
        master=health_section,
        mode="determinate",
        orient=tk.HORIZONTAL,
        length=280,
        maximum=100
    )
}
boss = {
    "name": tk.Label(
        master=health_section,
        text=BOSS_NAME,
        font=("Ubuntu Condensed", 14)
    ),
    "health": ttk.Progressbar(
        master=health_section,
        mode="determinate",
        orient=tk.HORIZONTAL,
        length=280,
        maximum=100
    )
}
status_text = tk.Label(
    master=status,
    text=f"It is time to fight {BOSS_NAME}!\nChoose your move!",
    fg="#ffffff",
    bg="#000000",
    font=("Ubuntu", 11) 
)

def terminate_window():
    win.destroy()

def attack():
    if player_data["health"] < 20:
        player["health"].step(0.1)
        for button in command_button:
            button["state"] = tk.DISABLED
        status_text["text"] = f"{BOSS_NAME} defeats you!"
        command = tk.Frame(master=win)
        exit_button = tk.Button(
            master=command,
            text="Exit",
            font=("Ubuntu", 14),
            height=3,
            width=9,
            command=terminate_window
        )
        exit_button.grid(row=0, column=0)
        command.grid(row=2, column=0)
    elif boss_data["health"] < 20:
        boss["health"].step(0.1)
        for button in command_button:
            button["state"] = tk.DISABLED
        status_text["text"] = f"{BOSS_NAME} is defeated! You win!"
        command = tk.Frame(master=win)
        exit_button = tk.Button(
            master=command,
            text="Exit",
            font=("Ubuntu", 14),
            height=3,
            width=9,
            command=terminate_window
        )
        exit_button.grid(row=0, column=0)
        command.grid(row=2, column=0)
    else:
        if r.choice((True, False, False, False)):
            mb.showwarning(
                title="Missed!",
                message=f"{PLAYER_NAME} missed!"
            )
        else:
            damage = abs(r.randint(12, 19) + player_data["atk"] - boss_data["def"])
            boss_data["health"] -= damage
            mb.showwarning(
                title="That hurts!",
                message=f"{BOSS_NAME} deals {damage} {'point' if damage == 1 else 'points'} of damage!"
            ) 
            boss["health"]["value"] = (health_step("b"))
        if r.choice((True, True, False, False)):
            mb.showwarning(
                title="Surprise!",
                message=f"{BOSS_NAME} missed!"
            )
        else:
            damage = abs(r.randint(10, 16) + boss_data["atk"] - player_data["def"])
            player_data["health"] -= damage
            mb.showwarning(
                title="Unbelievable!",
                message=f"{PLAYER_NAME} deals {damage} {'point' if damage == 1 else 'points'} of damage!"
            )
            player["health"]["value"] = (health_step("p"))

command_button = [
    tk.Button(
        master=command,
        text="Fire attack",
        font=("Ubuntu", 14),
        height=3,
        width=9,
        command=attack
    ),
    tk.Button(
        master=command,
        text="Water blast",
        font=("Ubuntu", 14),
        height=3,
        width=9,
        command=attack
    ),
    tk.Button(
        master=command,
        text="Punch",
        font=("Ubuntu", 14),
        height=3,
        width=9,
        command=attack
    ),
    tk.Button(
        master=command,
        text="Kick",
        font=("Ubuntu", 14),
        height=3,
        width=9,
        command=attack
    ),
]

def health_step(entity: str) -> float:
    if entity in ("player", "p"):
        return round(100*(player_data["health"]/player_data["maxhealth"]), 1)
    elif entity in ("boss", "b"):
        return round(100*(boss_data["health"]/boss_data["maxhealth"]), 1)

def init():
    battle_lb.grid(row=0, column=0)

    for j, i in enumerate(("name", "health")):
        player[i].grid(row=0, column=0+j)
        boss[i].grid(row=1, column=0+j)

    health_section.grid(row=0, column=0)
    status_text.grid(row=1, column=0)

    for i, r, c in zip(command_button, "0011", "0101"):
        i.grid(row=int(r), column=int(c))

    title.grid(row=0, column=0)
    status.grid(row=1, column=0)
    command.grid(row=2, column=0)

    player["health"].step(100-0.1)
    boss["health"].step(100-0.1)

init()
win.mainloop()

Requires namemaker.py