import tkinter as tk
from os import getcwd as pwd
import csv

def tk_09():
    """Using the .csv file you created for the last challenge, create a program
       that will allow people to add names and ages to the list and create a
       button that will display the contents of the .csv file by importing it
       to a list box."""
    file_path = f"{pwd()}/tkgui/files/names2.csv"
    def add_person():
        name = txt_in_name.get()
        age = txt_in_age.get()
        if age.isdigit():
            new_person = [name, age]
            with open(file_path, '+a') as file:
                writer = csv.writer(file)
                writer.writerow(new_person)
                clear_entries()
            updt_lbl_file()
        else:
            clear_entries()

    def clear_entries():
        txt_in_name.delete(0, 'end')
        txt_in_age.delete(0, 'end')
        txt_in_name.focus()

    def read_csv():
        clear_entries()
        box_out.delete(0, 'end')
        with open(file_path, 'r') as file:
            reader = csv.reader(file)
            contnt = list(reader)
        for line in contnt:
            box_out.insert('end',(line[0].ljust(100)+" "+line[1].ljust(10)).rjust(130))
        updt_lbl_file()

    def updt_lbl_file():
        path_csv = f"Ruta: {file_path}"
        lbl_file["state"] = "normal"
        lbl_file.delete(0, 'end')
        lbl_file.insert(0, path_csv)
        lbl_file["state"] = "readonly"

    window = tk.Tk()
    window.title("Personas TK")
    window.geometry("600x330")

    lbl_name = tk.Label(text="Nombre")
    lbl_name.place(x=40, y=25, width=100, height=35)
    lbl_age = tk.Label(text= "Edad")
    lbl_age.place(x=40, y=60, width=100, height=35)

    txt_in_name = tk.Entry()
    txt_in_name["justify"] = "center"
    txt_in_name.place(x=140, y=25, width=150, height=35)
    txt_in_name.focus()

    txt_in_age = tk.Entry()
    txt_in_age["justify"] = "center"
    txt_in_age.place(x=140, y=60, width=150, height=35)

    btn_add = tk.Button(text="Agregar a archivo", command=add_person)
    btn_add.place(x=300, y=25, width=250, height=35)
    btn_save = tk.Button(text="Importar archivo", command=read_csv)
    btn_save.place(x=300, y=60, width=250, height=35)

    box_out = tk.Listbox()
    box_out.place(x=40, y=110, width=510, height=160)

    lbl_file = tk.Entry()
    lbl_file["state"] = "readonly"
    lbl_file["justify"] = "center"
    lbl_file["width"] = 580
    lbl_file.place(x=10, y=280, width=580, height=35)

    window.mainloop()