import tkinter as tk
import tkinter.messagebox
import time
import queue

import gui.graph as Graph

class MainWindow(tk.Frame):
  def __init__(self, root, up_queue, down_queue,calibration_state):
    self.root = root
    self.calibration_state = calibration_state
    self.down_queue = down_queue
    self.up_queue = up_queue
    tk.Frame.__init__(self, root)

    self.graph = Graph.Graph(self)
    self.graph.pack(fill=tk.BOTH, side=tk.LEFT, expand=True)

    self.controls = tk.Frame(self)
    self.controls.pack(fill=tk.BOTH, side=tk.RIGHT)

    l = tk.Label(self.controls, text="your widgets go here...", anchor="c")
    l.pack(side="top", fill="both", expand=True)
    calibrate_button = tk.Button(self.controls,text="calibrate",command=self.calibrate)
    calibrate_button.pack(side="top")

    self.csString = tk.StringVar()
    cs = tk.Label(self.controls, textvariable=self.csString, anchor="c")
    cs.pack(side="top", fill="both", expand=True)

  def update(self):
    self.graph.update()
    self.csString.set(self.calibration_state.state_clearname())
    self.root.after(30, self.update)

  def calibrate(self):
    self.calibration_state.reset_state()
    tkinter.messagebox.showinfo(title="Calibrate", message="Move gondola to far left corner!")
    self.calibration_state.next_state()
    self.down_queue.put("calibrate")
    while self.calibration_state.return_state() != 3:
      time.sleep(1)
    tkinter.messagebox.showinfo(title="Calibrate", message="Move gondola to far rigth corner!")
    self.calibration_state.next_state()
    while self.calibration_state.return_state() != 7:
      time.sleep(1)
    tkinter.messagebox.showinfo(title="Calibrate",message="Calibration Done!") #display new calibration values?
    
if __name__ == "__main__":
  root = tk.Tk()
  up_queue = queue.Queue()
  down_queue = queue.Queue()
  root.title("Tracking System")
  view = MainWindow(root,up_queue,down_queue,list())
  view.pack(side="top", fill="both", expand=True)
  view.update()
  root.mainloop()