from tkinter import *
#from tkinter import ttk
from tkinter import filedialog
import atexit

# Start of Code - Start of Tkinter loop
Root_Window = Tk()
Root_Window.title("PiperTTS - Prototype GUI") # Sets the GUI Title

# Setting up Window Starting Size and Position (can only be even numbers)
Window_Width = 426
Window_Height = 576
# Getting Screen Width and Height
Screen_Width = Root_Window.winfo_screenwidth()
Screen_Height = Root_Window.winfo_screenheight()
# Calculate Center of Screen for the window
Window_PosX = (Screen_Width/2) - (Window_Width/2)
Window_PosY = (Screen_Height/2) - (Window_Height/2)
# Sets the GUI geometry and attempts to centers window on screen
Root_Window.geometry(f'{Window_Width}x{Window_Height}+{int(Window_PosX)}+{int(Window_PosY)}')
#Root_Window.minsize(Window_Width, Window_Height)

# Attempts to create a Input Frame
try:
    Input_Box_Frame = Frame(Root_Window)
except:
    print("An exception occurred - when creating input Frame.")

# Attempts to create a Controls Frame
try:
    Controls_Box_Frame = Frame(Root_Window)
except:
    print("An exception occurred - when creating Controls Frame.")

# Attempts to Place Input and Controls frames
try:
    Input_Box_Frame.place(x = 0, y = 0, relwidth = 1, relheight = 0.7)
    Controls_Box_Frame.place(x = 0, rely = 0.8, relwidth = 1, relheight = 0.7)
except:
    print("An exception occurred - when placing Frames.")

# Attempts to create a Input box
try:
    Input_Box = Text(Input_Box_Frame, selectbackground="yellow", selectforeground="black", undo=True)
    Input_Box.pack(padx=5, pady=5, expand = True, fill = "both")
except:
    print("An exception occurred - when creating input box.")

# Attempts to create a scrollbar for the Input box
try:
    Main_Text_Scrollbar = Scrollbar(Input_Box_Frame, command = Input_Box_Frame.yview)
    Input_Box_Frame.configure(yscrollcommand = Main_Text_Scrollbar.set)
    Main_Text_Scrollbar.place(relx = 1, rely = 0, relheight = 1, anchor = "ne")
except:
    print("An exception occurred - when creating a scroll bar.")

#
def PiperTTS_GUI_Play():
    try:
        My_Test_Label["text"] = "Playing?"
        C_Button_Pause["state"] == "normal"
        C_Button_Play["state"] = "disabled"
    except:
        print("An exception occurred - when pressing Play Button.")

#
def PiperTTS_GUI_Pause():
    try:
        My_Test_Label["text"] = "Pause?"
        C_Button_Pause["state"] == "disabled"
        C_Button_Play["state"] = "normal"
    except:
        print("An exception occurred - when pressing Pause Button.")

#
def PiperTTS_GUI_Stop():
    try:
        My_Test_Label["text"] = "Stop?"
        C_Button_Pause["state"] == "disabled"
        C_Button_Play["state"] = "normal"
    except:
        print("An exception occurred - when pressing Stop Button.")

#
def PiperTTS_GUI_Previous():
    try:
        My_Test_Label["text"] = "Previous?"
    except:
        print("An exception occurred - when pressing Previous Button.")

#
def PiperTTS_GUI_Next():
    try:
        My_Test_Label["text"] = "Next?"
    except:
        print("An exception occurred - when pressing Next Button.")

#
def PiperTTS_GUI_New_File():
    try:
        My_Test_Label["text"] = "New File?"
        Input_Box.delete("1.0", END)
    except:
        print("An exception occurred - when pressing New File Button.")

#
def PiperTTS_GUI_Get_Selection():
    try:
        Selected = Root_Window.selection_get()
        if not Selected:
            My_Test_Label["text"] = "No text Selected"
        else:
            Cursor_Position = Input_Box.index(INSERT)
            Input_Box.insert(Cursor_Position, Selected)
    except:
        print("An exception occurred - when grabbing Selection.")

#
def PiperTTS_GUI_Get_Clipboard():
    try:
        Selected = Root_Window.clipboard_get()
        if not Selected:
            My_Test_Label["text"] = "No text in clipboard"
        else:
            Cursor_Position = Input_Box.index(INSERT)
            Input_Box.insert(Cursor_Position, Selected)
    except:
        print("An exception occurred - when grabbing Clipboard.")
#
def PiperTTS_GUI_TextFile_Open():
    try:
        Root_Window.filename = filedialog.askopenfilename(initialdir = "./",title = "Select file",filetypes = (("Text files","*.txt"),("all files","*.*")))
        print(Root_Window.filename)
    except:
        print("An exception occurred - when Opening Text File.")
#
def PiperTTS_GUI_Set_Prefrences():
    try:
        Input_Box_Frame.place_forget()
        Controls_Box_Frame.place_forget() 
    except:
        print("An exception occurred - when Setting prefrences.")


'''
#
def PiperTTS_GUI_Clipboard():
    try:
        #PiperTTS_GUI_Hide_All_Labels()
        My_Label = Label(Controls_Box_Frame, text="Clipboard?").grid(row=3, column=0, columnspan=5)
        #global labels = []
        labels.append(My_Label)
    except:
        print("An exception occurred - when pressing Clipboard Button.")
# Deleting info messages
def PiperTTS_GUI_Hide_All_Labels():
    try:
        for label in labels:
            label.destroy()
    except:
        print("An exception occurred - when attempting to hide previous messages.")
'''
# Creating Buttons
#C_Button_Clipboard = Button(Controls_Box_Frame, text="📋", pady=5, padx=5, command=PiperTTS_GUI_Clipboard)
C_Button_Play = Button(Controls_Box_Frame, text="▶", pady=5, padx=5, command=PiperTTS_GUI_Play)
C_Button_Pause = Button(Controls_Box_Frame, text="⏸", pady=5, padx=5, command=PiperTTS_GUI_Pause)
C_Button_Stop = Button(Controls_Box_Frame, text="⏹", pady=5, padx=5, command=PiperTTS_GUI_Stop)
C_Button_previous = Button(Controls_Box_Frame, text="⏮", pady=5, padx=5, command=PiperTTS_GUI_Previous)
C_Button_Next = Button(Controls_Box_Frame, text="⏭", pady=5, padx=5, command=PiperTTS_GUI_Next)

# Creating a Test Text Label
My_Test_Label = Label(Controls_Box_Frame, text="Test Text?")
My_Test_Label.grid(row=0, column=0, columnspan=4)

# Aligning Buttons to grid
#C_Button_Clipboard.grid(row=1, column=4)
C_Button_Play.grid(row=1, column=0)
C_Button_Pause.grid(row=1, column=1)
C_Button_Stop.grid(row=1, column=2)
C_Button_previous.grid(row=1, column=3)
C_Button_Next.grid(row=1, column=4)

#Creating Toolbar menu
Root_Toolbar = Menu(Root_Window)
Root_Window.configure(menu=Root_Toolbar)
#Creating File menu for Toolbar
File_Toolbar = Menu(Root_Toolbar, tearoff=False)
Root_Toolbar.add_cascade(label="File", menu=File_Toolbar)
File_Toolbar.add_command(label="New", command=PiperTTS_GUI_New_File)
File_Toolbar.add_command(label="Open", command=PiperTTS_GUI_TextFile_Open)
File_Toolbar.add_command(label="Save as Wave")
File_Toolbar.add_separator()
File_Toolbar.add_command(label="Exit", command=Root_Window.quit)
#Creating Playback menu for Toolbar
Playback_Toolbar = Menu(Root_Toolbar, tearoff=False)
Root_Toolbar.add_cascade(label="Playback", menu=Playback_Toolbar)
Playback_Toolbar.add_command(label="▶\tPlay", command=PiperTTS_GUI_Play)
Playback_Toolbar.add_command(label="⏸\tPause", command=PiperTTS_GUI_Pause)
Playback_Toolbar.add_command(label="⏹\tStop", command=PiperTTS_GUI_Stop)
Playback_Toolbar.add_command(label="⏮\tPrevious", command=PiperTTS_GUI_Previous)
Playback_Toolbar.add_command(label="⏭\tNext", command=PiperTTS_GUI_Next)
#Creating Tools menu for Toolbar
Tools_Toolbar = Menu(Root_Toolbar, tearoff=False)
Root_Toolbar.add_cascade(label="Tools", menu=Tools_Toolbar)
Tools_Toolbar.add_command(label="Insert Selection", command=PiperTTS_GUI_Get_Selection)
Tools_Toolbar.add_command(label="Insert Clipboard", command=PiperTTS_GUI_Get_Clipboard)
Tools_Toolbar.add_separator()
Tools_Toolbar.add_command(label="Prefrences", command=PiperTTS_GUI_Set_Prefrences)

# End of Code - Emd of Tkinter loop
Root_Window.mainloop()

# Function called on Exit
def Registered_Exit():
  print("Goodbye!?")

# Regestering Exit
atexit.register(Registered_Exit)