# import SentimentIntensityAnalyzer class 
# from vaderSentiment.vaderSentiment module. 
from vaderSentiment.vaderSentiment import SentimentIntensityAnalyzer 

# import all methods and classes from the tkinter 
from tkinter import *

# Function for clearing the   
# contents of all entry boxes
# And text area.
def clearAll() : 
  
    # deleting the content from the entry box 
    negativeField.delete(0, END) 
    neutralField.delete(0, END) 
    positiveField.delete(0, END) 
    overallField.delete(0, END) 

    # whole content of text area  is deleted 
    textArea.delete(1.0, END)
    
# function to print sentiments 
# of the sentence. 
def detect_sentiment():

    # get a whole input content from text box
    sentence = textArea.get("1.0", "end")

    # Create a SentimentIntensityAnalyzer object. 
    sid_obj = SentimentIntensityAnalyzer() 

    # polarity_scores method of SentimentIntensityAnalyzer 
    # object gives a sentiment dictionary. 
    # which contains pos, neg, neu, and compound scores. 
    sentiment_dict = sid_obj.polarity_scores(sentence) 

    string = str(sentiment_dict['neg']*100) + "% Negative"
    negativeField.insert(10, string)
    

    string = str(sentiment_dict['neu']*100) + "% Neutral"
    neutralField.insert(10, string)

    string = str(sentiment_dict['pos']*100) +"% Positive"
    positiveField.insert(10, string)
    
    # decide sentiment as positive, negative and neutral 
    if sentiment_dict['compound'] >= 0.05 :
        string = "Positive"

    elif sentiment_dict['compound'] <= - 0.05 :
        string = "Negative"
     

    else :
        string = "Neutral"

    overallField.insert(10, string)
        


# Driver Code 
if __name__ == "__main__" :
    

    # Create a GUI window 
    gui = Tk() 
    
    # Set the background colour of GUI window 
    gui.config(background =  "light green") 

    # set the name of tkinter GUI window 
    gui.title("Sentiment Detector") 

    # Set the configuration of GUI window 
    gui.geometry("250x400") 

    # create a label : Enter Your Task 
    enterText = Label(gui, text = "Enter Your Sentence",
                                     bg = "light green")

    # create a text area for the root 
    # with lunida 13 font 
    # text area is for writing the content 
    textArea = Text(gui, height = 5, width = 25, font = "lucida 13")

    # create a Submit Button and place into the root window 
    # when user press the button, the command or  
    # function affiliated to that button is executed  
    check = Button(gui, text = "Check Sentiment", fg = "Black", 
                         bg = "Red", command = detect_sentiment)

    # Create a negative : label 
    negative = Label(gui, text = "sentence was rated as: ",
                                        bg = "light green") 
  
    # Create a neutral : label 
    neutral = Label(gui, text = "sentence was rated as: ", 
                                       bg = "light green") 
  
    # Create a positive : label 
    positive = Label(gui, text = "sentence was rated as: ",
                                        bg = "light green")

    # Create a overall : label 
    overall = Label(gui, text = "Sentence Overall Rated As: ",
                                           bg = "light green")

    # create a text entry box  
    negativeField = Entry(gui)

    # create a text entry box  
    neutralField = Entry(gui)

    # create a text entry box  
    positiveField = Entry(gui)

    # create a text entry box  
    overallField = Entry(gui) 

    # create a Clear Button and place into the root window 
    # when user press the button, the command or  
    # function affiliated to that button is executed . 
    clear = Button(gui, text = "Clear", fg = "Black", 
                      bg = "Red", command = clearAll)
    
    # create a Exit Button and place into the root window 
    # when user press the button, the command or  
    # function affiliated to that button is executed . 
    Exit = Button(gui, text = "Exit", fg = "Black", 
                        bg = "Red", command = exit)

    # grid method is used for placing  
    # the widgets at respective positions  
    # in table like structure. 
    enterText.grid(row = 0, column = 2)
    
    textArea.grid(row = 1, column = 2, padx = 10, sticky = W)
    
    check.grid(row = 2, column = 2)
    
    negative.grid(row = 3, column = 2)
    
    neutral.grid(row = 5, column = 2)
    
    positive.grid(row = 7, column = 2)
    
    overall.grid(row = 9, column = 2)
    
    negativeField.grid(row = 4, column = 2)

    neutralField.grid(row = 6, column = 2)
                      
    positiveField.grid(row = 8, column = 2)
    
    overallField.grid(row = 10, column = 2)
    
    clear.grid(row = 11, column = 2)
    
    Exit.grid(row = 12, column = 2)

    # start the GUI 
    gui.mainloop()