from tkinter import *
from tkinter import filedialog
from PIL import Image, ImageTk
import logging
from enum import Enum

class GuiMain(object):

    def __init__(self, args):
        self.__master = Tk()
        self.__args = args
        self.__base = StringVar(self.__master, value=args["base"])
        self.__predict_images = BooleanVar(self.__master, value=args["predict_images"])
        self.__gui_images = BooleanVar(self.__master, value=args["gui_images"])
        self.__gui_audio = BooleanVar(self.__master, value=args["gui_audio"])
        self.__gui_video = BooleanVar(self.__master, value=args["gui_video"])
        self.__open_all = BooleanVar(self.__master, value=args["open_all"])

        Label(self.__master, text="Base directory for walking:").grid(row=0, column=0)
        Entry(self.__master, textvariable=self.__base).grid(row=0, column=1)
        Button(self.__master, text="Browse", command=lambda: self.__browse(base)).grid(row=0, column=3)
        Checkbutton(self.__master, text="Use prediction for image tagging", variable=self.__predict_images).grid(row=1, sticky=W)
        Checkbutton(self.__master, text="Show GUI for image tagging", variable=self.__gui_images).grid(row=2, sticky=W)
        Checkbutton(self.__master, text="Show GUI for audio tagging", variable=self.__gui_audio).grid(row=3, sticky=W)
        Checkbutton(self.__master, text="Show GUI for video tagging", variable=self.__gui_video).grid(row=4, sticky=W)
        Checkbutton(self.__master, text="Open all files with system default", variable=self.__open_all).grid(row=5, sticky=W)
        Button(self.__master, text="Start", command=self.__master.destroy).grid(row=6)

    def loop(self):
        self.__master.mainloop()

        self.__args["base"] = self.__base.get()
        self.__args["predict_images"] = self.__predict_images.get()
        self.__args["gui_images"] = self.__gui_images.get()
        self.__args["gui_audio"] = self.__gui_audio.get()
        self.__args["gui_video"] = self.__gui_video.get()
        self.__args["open_all"] = self.__open_all.get()
        return self.__args

    def __browse(self, folder_path):
        filename = filedialog.askdirectory()
        folder_path.set(filename)

class GuiImage(object):
    RETURN_NEXT = 0,
    RETURN_ROTATE_90_COUNTERCLOCKWISE = 1,
    RETURN_ROTATE_90_CLOCKWISE = 2,
    RETURN_ABORT = 3

    def __init__(self, img, tags):
        self.__ret = self.RETURN_NEXT
        self.__master = Tk()
        self.__tags = StringVar(self.__master, value=','.join(tags))
        self.__image = ImageTk.PhotoImage(image=Image.fromarray(img).convert('RGB'))
        Label(self.__master, width=800, height=800, image=self.__image).grid(row=0, column=0, columnspan=4)
        Entry(self.__master, textvariable=self.__tags).grid(row=1, column=0, columnspan=4, sticky="we")
        Button(self.__master, text="↺", command=self.__handle_rotate_90_counterclockwise).grid(row=2, column=0)
        Button(self.__master, text="↻", command=self.__handle_rotate_90_clockwise).grid(row=2, column=1)
        Button(self.__master, text="Next", command=self.__handle_next).grid(row=2, column=2)
        Button(self.__master, text="Abort", command=self.__handle_abort).grid(row=2, column=3)

    def loop(self):
        self.__master.mainloop()
        return (self.__ret, self.__tags.get().split(","))

    def __handle_rotate_90_counterclockwise(self):
        self.__ret = self.RETURN_ROTATE_90_COUNTERCLOCKWISE
        self.__master.destroy()
    
    def __handle_rotate_90_clockwise(self):
        self.__ret = self.RETURN_ROTATE_90_CLOCKWISE
        self.__master.destroy()

    def __handle_next(self):
        self.__ret = self.RETURN_NEXT
        self.__master.destroy()

    def __handle_abort(self):
        self.__ret = self.RETURN_ABORT
        self.__master.destroy()