ui.py

from tkinter import *
from quiz_brain import QuizBrain

THEME_COLOR = "#375362"


class UserInterface:
    def __init__(self, quiz_brain: QuizBrain):
        self.quiz = quiz_brain

        self.window = Tk()
        self.window.title('Quizzer')
        self.window.config(padx=20, pady=20, bg=THEME_COLOR)

        self.score_text = Label(text="Score: 0", fg="white", bg=THEME_COLOR)
        self.score_text.grid(row=0, column=1)

        self.canvas = Canvas(width=300, height=250)
        self.canvas.config(bg="white")
        self.canvas.grid(row=1, column=0, columnspan=2, pady=50)
        self.question_text = self.canvas.create_text(150, 125,
                                                     text="Some questions",
                                                     fill=THEME_COLOR,
                                                     width=280,
                                                     font=("Arial", 20, "italic"))

        # this is the button for "False":
        self.false_image = PhotoImage(file="images/false.png")
        self.false_button = Button(image=self.false_image,
                                   highlightthickness=0,
                                   bg=THEME_COLOR,
                                   command=self.wrong_answer)
        self.false_button.grid(row=3, column=1)

        # this is the button for "True":
        self.true_image = PhotoImage(file="images/true.png")
        self.true_button = Button(image=self.true_image,
                                  highlightthickness=0,
                                  bg=THEME_COLOR,
                                  command=self.right_answer)
        self.true_button.grid(row=3, column=0)

        self.get_next_question()

        self.window.mainloop()

    def get_next_question(self):
        self.canvas.config(bg="white")
        if self.quiz.still_has_questions():
            self.score_text.config(text=f"Score: {self.quiz.score}")
            q_text = self.quiz.next_question()
            self.canvas.itemconfig(self.question_text, text=q_text)
        else:
            self.canvas.itemconfig(self.question_text, text="You have reached the end of the 'Quiz Game'.")
            self.true_button.config(state="disabled")
            self.false_button.config(state="disabled")

    def right_answer(self):
        user_answer = "True"
        is_right = self.quiz.check_answer(user_answer)
        self.give_feedback(is_right)

    def wrong_answer(self):
        user_answer = "False"
        is_right = self.quiz.check_answer(user_answer)
        self.give_feedback(is_right)

    def give_feedback(self, is_right):
        if is_right:
            self.canvas.config(bg="green")
        elif not is_right:
            self.canvas.config(bg="red")
        self.window.after(1000, self.get_next_question)