main.py

from tkinter import *
import math

# ---------------------------- CONSTANTS ------------------------------- #
PINK = "#e2979c"
RED = "#e7305b"
GREEN = "#9bdeac"
YELLOW = "#f7f5dd"
FONT_NAME = "Courier"
WORK_MIN = 25
SHORT_BREAK_MIN = 5
LONG_BREAK_MIN = 20
reps = 0
timer = ""


# ---------------------------- TIMER RESET ------------------------------- #
def reset():
    window.after_cancel(timer)
    canvas.itemconfig(timer_text, text="00:00")
    title_label.config(text="Timer")
    check_mark.config(text="")
    global reps
    reps = 0


# ---------------------------- TIMER MECHANISM ------------------------------- #
def start():
    global reps
    reps += 1
    work_Sec = WORK_MIN * 60
    short_break_sec = SHORT_BREAK_MIN * 60
    long_break_sec = LONG_BREAK_MIN * 60
    if reps % 8 == 0:
        count_down(long_break_sec)
        title_label.config(text="long_break", fg=GREEN)
    elif reps % 2 == 0:
        count_down(short_break_sec)
        title_label.config(text="short_break", bg=YELLOW)
    else:
        count_down(work_Sec)
        title_label.config(text="work_time", fg=RED)
        check_mark.config()


# ---------------------------- COUNTDOWN MECHANISM ------------------------------- #
def count_down(count):
    # min = math.floor(count/60)
    # sec = count % 60
    min, sec = divmod(count, 60)  # leaves tuple as quotient and remainder
    if sec < 10:
        sec = f"0{sec}"
    canvas.itemconfig(timer_text, text=f"{min}:{sec}")

    if count > 0:
        global timer
        timer = window.after(1000, count_down, count - 1)
    else:
        start()
        marks = ""
        for _ in range(math.floor(reps / 2)):
            marks += "✔"
        check_mark.config(text=f"{marks}")


# ---------------------------- UI SETUP ------------------------------- #
window = Tk()
window.title("Pomodoro")
window.config(pady=50, padx=90)
window.config(bg=YELLOW)

title_label = Label(text="Timer", fg=GREEN, bg=YELLOW, font=(FONT_NAME, 25, "bold"))
title_label.grid(column=1, row=0)

canvas = Canvas(width=200, height=224, bg=YELLOW, highlightthickness=0)
tomato = PhotoImage(file='tomato.png')
canvas.create_image(100, 112, image=tomato)
timer_text = canvas.create_text(100, 125, text="00:00", fill="white", font=(FONT_NAME, 24, "bold"))
canvas.grid(column=1, row=1)

start_button = Button(text="start", bg="white", command=start)
start_button.grid(column=0, row=3)

reset = Button(text="reset", bg="white", command=reset)
reset.grid(column=2, row=3)

check_mark = Label(bg=YELLOW, fg=GREEN)
check_mark.grid(column=1, row=3)

window.mainloop()