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import tkinter as tk
import baza

Buttons = ["person", "book", "borrows"]
PersonHeaders = ["Id", "Osoba", "email"]
BookHeader = ["Id", "Autor", "Tytul", "Rok wydania", "Liczba"]
BorrowsHeader = ["Id książki", "Id osoby"]
current = None

class TableFrame(tk.Frame):
    def __init__(self, parent, vertical=True, horizontal=True):
        super().__init__(parent)
        self.columnconfigure(0, weight=1)
        self.rowconfigure(0, weight=1)

        self.canvas = tk.Canvas(self)
        self.canvas.grid(row=0, column=0, sticky="news")

        self.vsb = tk.Scrollbar(self, orient="vertical", command=self.canvas.yview)
        self.hsb = tk.Scrollbar(self, orient="horizontal", command=self.canvas.xview)
        if vertical:
            self.vsb.grid(row=0, column=1, sticky="ns")
        if horizontal:
            self.hsb.grid(row=1, column=0, sticky="we")
        self.canvas.configure(yscrollcommand=self.vsb.set)
        self.canvas.configure(xscrollcommand=self.hsb.set)

        self.frame = tk.Frame(self.canvas)
        self.canvas.create_window((0,0), window=self.frame, anchor="nw")

        self.frame.bind("<Configure>", self.resize)

    def resize(self, event=None):
        self.canvas.configure(scrollregion=self.canvas.bbox("all"))

    def load_data(self, headers, data):
        rows = len(data)
        columns = len(headers)

        self.labels = [[tk.Label() for j in range(columns)] for i in range(rows + 1)]

        for i, j in enumerate(headers):
            x = tk.Label(self.frame, text=j, width = 20)
            x.grid(row=0, column=i)
            self.labels[0][i] = x

        for i in range(rows):
            for j in range(columns):
                x = tk.Label(self.frame, text=data[i][j])
                x.grid(row=i+1, column=j)
                self.labels[i][j] = x


def raise_frame(frame, button_name):
    global current
    current = button_name
    frame.tkraise()
    frame.tkraise()

def add(root):
    print("jestem")
    win2 = tk.Toplevel(root)
    tk.Entry(win2, text = "eee").grid(row = 0, column=0)
    tk.Entry(win2, text = "aaa").grid(row = 0, column=1)
    # if current == "book":

    # pass

def change():
    pass

def main():
    root = tk.Tk()
    root.columnconfigure(0, weight=1)
    root.rowconfigure(0, weight=1)

    mainframe = tk.Frame(root, bg="red")
    mainframe.grid(row=0, column=0, sticky="news")

    for i in range(3):
        mainframe.columnconfigure(i, weight=1)

    for i in range(1):
        mainframe.rowconfigure(i, weight=1)

    table_frames = [TableFrame(mainframe), TableFrame(mainframe),
                    TableFrame(mainframe)]

    session = baza.load_database()

    table_frames[0].load_data(PersonHeaders, baza.get_person_list(session))
    table_frames[1].load_data(BookHeader, baza.get_books_list(session))
    table_frames[2].load_data(BorrowsHeader, baza.get_borrows_list(session))
    table_frames[0].grid(row=1, column=0, columnspan=3)
    table_frames[1].grid(row=1, column=0, columnspan=3)
    table_frames[2].grid(row=1, column=0, columnspan=3)

    tk.Button(mainframe, text="Osoby", bg="pink", command=lambda : raise_frame(table_frames[0], Buttons[0])).grid(row=0, column=0, sticky="news")
    tk.Button(mainframe, text="Książki", bg="pink", command=lambda : raise_frame(table_frames[1], Buttons[1])).grid(row=0, column=1, sticky="news")
    tk.Button(mainframe, text="Pożyczenia", bg="pink", command=lambda : raise_frame(table_frames[2], Buttons[2])).grid(row=0, column=2, sticky="news")
    tk.Button(mainframe, text="Dodaj", bg="pink", command=lambda : add(root)).grid(row=2, column=0, sticky="news")
    tk.Button(mainframe, text="Zmień", bg="pink", command=change).grid(row=2, column=1, sticky="news")
    tk.Button(mainframe, text="Wyjdź", bg="pink", command=root.destroy).grid(row=2, column=2, sticky="news")

    root.mainloop()

main()