import sys shutil,os,time
from os.path import expanduser
import app_interface as mainApp #Program main window
import tkinter as tk
import tkinter.constants as constants
import tkinter.filedialog as filediag
from tkinter.scrolledtext import ScrolledText

version='1.0.0'


# Subclass ScrolledText
class ScrolledTextOut(ScrolledText):

    def write(self, s):
        self.insert(tk.CURRENT, s)
        self.see(tk.END)

    def flush(self):
        pass


class App():

    def __init__(self):
        self.root = tk.Tk()
        self.root.wm_title("Folder Sort")
        global version
        button_opt = {'fill': constants.BOTH, 'padx': 15, 'pady': 15}
        # Text
        self.l1 = tk.Label(self.root,text="Folder Sort",font=("Helvetica", 16))
        self.l1.pack(**button_opt)
        self.l2 = tk.Label(self.root,text="Version "+version,font=("Helvetica", 12))
        self.l2.pack(**button_opt)
        # Browse Button
        self.browse=tk.Button(self.root, text='Select Directory', command=self.askdirectory)
        self.browse.pack(**button_opt)
        # Browse Button options
        self.dir_opt = options = {}
        options['initialdir'] = 'C:\\'
        options['mustexist'] = False
        options['parent'] = self.root
        options['title'] = 'Select Directory to Sort'
        #Quit Button
        self.button = tk.Button(self.root, text = 'Close', command=self.quit)
        self.button.pack(**button_opt)

        # Text Widget
        self.txt = ScrolledTextOut(self.root, undo=True)
        self.txt['font'] = ('consolas', '12')
        self.txt.pack(**button_opt)
        self.txt.insert(tk.INSERT, "Welcome to Folder Sort Version %s\nSelect a directory to Proceed...\n"%version)
        #Disable scrolledtext
        self.txt.configure(state='disabled')
        #expand=False, fill='both'
        #Start the frame
        self.root.mainloop()

    #Quit Application
    def quit(self):
        self.root.destroy()
        mainApp.main()

   #Directory Button Function
    def askdirectory(self): #open the file
        directory = filediag.askdirectory()
        self.FolderSort(directory)

   #Folder Sort Program
    def FolderSort(self,path):
        #Redirect all print statements to GUI
        sys.stdout = self.txt
        #Reenable scrolledtext
        self.txt.configure(state='normal')

        #MAIN CODE WITH LOTS OF PRINT STATEMENTS

        #Sorting is done, show success message
        print("\nSorting Complete.")
        print("Sorted",sortedfiles,"files in",elapsed,"seconds.")
        #Now that processing is done, disable scrolledtext again
        self.txt.configure(state='disabled')
        #END OF FOLDER SORT FUNCTION


#Call the app
if __name__ == '__main__':
    app = App()