"""This is the main function"""

from copy import deepcopy
import PySimpleGUI as sg
from tinydb import TinyDB, Query


# Define the window's contents
layout = [[sg.Menu([['File', ['Open', 'Save', 'Add Computer',]]])],
        [sg.Table([["word","Yes"]],["Serial Number","Brand","Grade","Name"],key = "table")],
          [sg.Text("Serial Number")],
          [sg.Input(key='Serial Number')],
          [sg.Text("Brand")],
          [sg.Input(key='Brand')],
          [sg.Text("Grade")],
          [sg.Input(key='Grade')],
          [sg.Text("Name")],
          [sg.Input(key='Name')],
          [sg.Text(size=(40,1), key='OUTPUT')],
          [sg.Button('Check In'), sg.Button('Check Out')]]

add_computer_layout = [[sg.Text("Serial Number")],
          [sg.Input(key='-Serial Number-')],
          [sg.Text("Brand")],
          [sg.Input(key='Brand')],
          [sg.Text("Grade")],
          [sg.Input(key='Grade')],
          [sg.Text("Name")],
          [sg.Input(key='Name')],
          [sg.Button('Add Computer'),]]


def add_computer():
    window = sg.Window('Add Computer', deepcopy(add_computer_layout))
    while True:
        event, values = window.read()
        if event == sg.WINDOW_CLOSED or event == 'Add Computer':
            break
    # Finish up by removing from the screen
    window.close()
    return values

def main():
    """Core of ComputerKeeper - The Main Application."""
    db= TinyDB("./db.json")
    # Create the window
    window = sg.Window('Window Title', layout)

    # Display and interact with the Window using an Event Loop
    while True:
        event, values = window.read()
        # See if user wants to quit or window was closed
        if event == sg.WINDOW_CLOSED or event == 'Quit':
            break
        if event == 'Add Computer':
            new_computer = add_computer()
            existing_table = window["table"].get()
            existing_table+= list(new_computer.values())
            window["table"].update(existing_table)

    # Finish up by removing from the screen
    window.close()

if __name__ == "__main__":
    main()