app.py

import pandas as pd
import tweepy
from textblob  import TextBlob
from wordcloud import WordCloud
import plotly.graph_objs as go
import os
import re
import pystan
import numpy as np
import streamlit as st
import matplotlib.pyplot as plt
import yfinance as yf
from fbprophet import Prophet
from fbprophet.plot import plot_plotly
from GoogleNews import GoogleNews
from ta.volatility import BollingerBands
from ta.trend import MACD
from ta.momentum import RSIIndicator
import datetime as datetime
import base64






st.set_page_config( 
layout="wide",  
initial_sidebar_state="auto",
page_title= "CryptoViewer",  
page_icon= "Images/Favicon.png", 
)



    

col1, col2, col3 = st.beta_columns([1,2,1])
col1.write("")
col2.image("Images/logo.png", width = 500)
col3.write("")



st.set_option('deprecation.showPyplotGlobalUse', False)

main_bg = "Images/BACK.png"
main_bg_ext = "Images/BACK.png"


st.markdown(
    f"""
    <style>
    .reportview-container {{
        background: url(data:image/{main_bg_ext};base64,{base64.b64encode(open(main_bg, "rb").read()).decode()})
    }}
    </style>
    """,
    unsafe_allow_html=True
)


st.sidebar.image("Images/Sidebar.png", width = 330)


menu = ["Home", "Viewer"]
choice = st.sidebar.selectbox("Menu", menu)
if choice == "Home":
    
  st.write("")

  st.write("""  <p style=" font-size: 15px; font-weight:normal; font-family:verdana"> CryptoViewer is a special web service that allows you to view cryptocurrencies by many useful methods (technical indicators, graphical patterns, sentimental analysis, and more). Trading and crypto investing requires constant analysis and monitoring. Traders need to track all their trades in order to improve results and find errors. If you don't use additional instruments, then trading will be unsystematic, and the results will be uncertain. Such a service will be useful and even extremely necessary for those who trade and invest in cryptocurrencies. Competent selection of cryptocurrencies is at least half of investment success. CryptoViewer has a simple interface and is great for quick analysis of the crypto market.   </p>
  """, unsafe_allow_html=True)
    
  st.write("")
  st.write("")
  st.write("")
  st.write("") 
  st.write("")


  st.write(""" <p style=" color:#E75480; font-size: 30px; font-weight:bold"> How does it work? </p>
  """, unsafe_allow_html=True)

  st.write("")




  st.image("Images/How.png", width = 1300)

  st.sidebar.write(" ")
  st.sidebar.write(" ")
    
  st.sidebar.image("Images/info.png", width = 300)
 






elif choice == "Viewer":
  st.sidebar.header("Please select cryptocurrency")
  option = st.sidebar.selectbox("Ticker Symbol",("BTC-USD", "ETH-USD", "XRP-USD", "DOGE-USD", "ADA-USD", "BNB-USD", "LTC-USD",))
  today = datetime.date.today()
  before = today - datetime.timedelta(days=1400)
  start_date = st.sidebar.date_input('Start date', before)
  end_date = st.sidebar.date_input('End date', today)
  if start_date < end_date:
    st.sidebar.success("Start date:  `%s`\n\nEnd date: `%s` " % (start_date, end_date))
  else:
    st.sidebar.error("Error: End date must fall after start date.")

  @st.cache(allow_output_mutation = True)  
  def get_data(option, start_date, end_date):
    df = yf.download(option,start= start_date,end = end_date, progress=False)
    return df
  
  # Getting API_KEYS
  api_key = os.environ.get("Key")
  api_secret = os.environ.get("Secret")

  # Function for getting tweets
  # Create authentication
  @st.cache(allow_output_mutation = True)  
  def get_tweets(key, secret, search_term):
    authentication = tweepy.OAuthHandler(api_key, api_secret)
    api = tweepy.API(authentication)
    term = search_term+"-filter:retweets"
    # Create a cursor object 
    tweets = tweepy.Cursor(api.search, q = term, lang = "en",
                         since = today, tweet_mode = "extended").items(100)
    # Store the tweets
    tweets_text = [tweet.full_text for tweet in tweets]
    df = pd.DataFrame(tweets_text, columns = ["Tweets"]) 
    return df

  # Clean text
  @st.cache(allow_output_mutation = True) 
  def Clean(twt):
    twt = re.sub("#cryptocurrency", "cryptocurrency", twt)
    twt = re.sub("#Cryptocurrency", "Cryptocurrency", twt)
    twt = re.sub("#[A-Za-z0-9]+", "", twt)
    twt = re.sub("RT[\s]+", "", twt)
    twt = re.sub("\\n", "", twt)
    twt = re.sub("https?\://\S+", '', twt)
    twt = re.sub("<br />", "", twt)
    twt = re.sub("\d","", twt)
    twt = re.sub("it\'s", "it is", twt)
    twt = re.sub("can\'t", "cannot", twt)
    twt = re.sub("<(?:a\b[^>]*>|/a>)", "", twt)
    return twt

  # Subjectivity and Polarity
  @st.cache(allow_output_mutation = True)
  def subjectivity(text):
    return TextBlob(text).sentiment.subjectivity
  @st.cache(allow_output_mutation = True)
  def polarity(text):
    return TextBlob(text).sentiment.polarity


  # Create a function to get sentiment text
  @st.cache(allow_output_mutation = True)
  def sentiment(score):
    if score < 0:
      return "Negative"
    elif score == 0:
      return "Neutral"
    else:
      return "Positive" 

  if option == "BTC-USD":
    df = get_data(option, start_date, end_date)

    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Raw Data </p>
  """, unsafe_allow_html=True)

    st.write("    ")
    st.write(df)
    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Close Price </p>
  """, unsafe_allow_html=True)
    st.write("    ")
    st.line_chart(df["Close"])

    st.write(" ")


    # MACD

    st.write(" ")
    macd = MACD(df["Close"]).macd()

    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Moving Average Convergence Divergence </p>
  """, unsafe_allow_html=True)
    st.write(" ")

    st.area_chart(macd)


    # Bollinger Bands
    bb_bands = BollingerBands(df["Close"])
    bb = df
    bb["bb_h"] = bb_bands.bollinger_hband()
    bb["bb_l"] = bb_bands.bollinger_lband()
    bb = bb[["Close","bb_h","bb_l"]]

    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Bollinger Bands </p>
  """, unsafe_allow_html=True)
    st.line_chart(bb)


    st.write(" ")


    # Resistence Strength Indicator
    
    rsi = RSIIndicator(df["Close"]).rsi()
    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Resistence Strength Indicator </p>
  """, unsafe_allow_html=True)
    st.write(" ")
    st.line_chart(rsi)

    st.write("  ")

    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> BTC-USD Forecast using Facebook Prophet </p>
  """, unsafe_allow_html=True) 
    
    st.write("  ")



    data = df.reset_index()
    period = st.slider("Days of prediction:", 1, 365)
   
    # Predict forecast with Prophet.
    df_train = data[["Date","Close"]]
    df_train = df_train.rename(columns={"Date": "ds", "Close": "y"})

    m = Prophet()
    m.fit(df_train)
    future = m.make_future_dataframe(periods=period)
    forecast = m.predict(future)
    
    #Plot
    st.write(f'Forecast plot for {period} days')
    fig1 = plot_plotly(m, forecast)
    st.plotly_chart(fig1)

  

    st.write(" ")

    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Latest News </p>
  """, unsafe_allow_html=True)

    st.write("  ")    

    news = GoogleNews()
    news = GoogleNews("en", "d")
    news.search("Bitcoin")
    news.get_page(1)
    result = news.result()
    st.write("1. " + result[1]["title"])
    st.info("1. " + result[1]["link"])
    st.write("2. " + result[2]["title"])
    st.info("2. " + result[2]["link"])
    st.write("3. " + result[3]["title"])
    st.info("3. " + result[3]["link"])
    st.write("4. " + result[4]["title"])
    st.info("4. " + result[4]["link"])
    st.write("5. " + result[5]["title"])
    st.info("5. " + result[5]["link"])

    


   


    



  elif option == "ETH-USD":
    df = get_data(option, start_date, end_date)

    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Raw Data </p>
  """, unsafe_allow_html=True)
    st.write(" ")

    st.write(df)

    st.write(" ")

    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Close Price </p>
  """, unsafe_allow_html=True)
    st.write("    ")
    st.line_chart(df["Close"])

    st.write(" ")

    # MACD

    st.write(" ")
    macd = MACD(df["Close"]).macd()

    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Moving Average Convergence Divergence </p>
  """, unsafe_allow_html=True)
    st.write(" ")

    st.area_chart(macd)


      # Bollinger Bands
    bb_bands = BollingerBands(df["Close"])
    bb = df
    bb["bb_h"] = bb_bands.bollinger_hband()
    bb["bb_l"] = bb_bands.bollinger_lband()
    bb = bb[["Close","bb_h","bb_l"]]

    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Bollinger Bands </p>
  """, unsafe_allow_html=True)
    st.line_chart(bb)


    st.write(" ")


    # Resistence Strength Indicator
    
    rsi = RSIIndicator(df["Close"]).rsi()
    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Resistence Strength Indicator </p>
  """, unsafe_allow_html=True)
    st.write(" ")
    st.line_chart(rsi)


    st.write("  ")

    
    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> ETH-USD Forecast using Facebook Prophet </p>
  """, unsafe_allow_html=True)

    st.write("  ") 

    data = df.reset_index()
    period = st.slider("Days of prediction:", 1, 365)
   
    # Predict forecast with Prophet.
    df_train = data[["Date","Close"]]
    df_train = df_train.rename(columns={"Date": "ds", "Close": "y"})

    m = Prophet()
    m.fit(df_train)
    future = m.make_future_dataframe(periods=period)
    forecast = m.predict(future)
    
    st.write(f'Forecast plot for {period} days')
    fig1 = plot_plotly(m, forecast)
    st.plotly_chart(fig1)



    st.write(" ")

    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Latest News </p>
  """, unsafe_allow_html=True)

    st.write(" ")   

    news = GoogleNews()
    news = GoogleNews("en", "d")
    news.search("Etherium")
    news.get_page(1)
    result = news.result()
    st.write("1. " + result[1]["title"])
    st.info("1. " + result[1]["link"])
    st.write("2. " + result[2]["title"])
    st.info("2. " + result[2]["link"])
    st.write("3. " + result[3]["title"])
    st.info("3. " + result[3]["link"])
    st.write("4. " + result[4]["title"])
    st.info("4. " + result[4]["link"])
    st.write("5. " + result[5]["title"])
    st.info("5. " + result[5]["link"])

    
    
    
 

  elif option == "DOGE-USD":
    df = get_data(option, start_date, end_date)
    
    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Raw Data </p>
  """, unsafe_allow_html=True)
    st.write(" ")

    st.write(df)

    st.write(" ")

    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Close Price </p>
  """, unsafe_allow_html=True)
    st.write("    ")
    st.line_chart(df["Close"])

    st.write(" ")

    # MACD

    st.write(" ")
    macd = MACD(df["Close"]).macd()

    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Moving Average Convergence Divergence </p>
  """, unsafe_allow_html=True)
    st.write(" ")

    st.area_chart(macd)


      # Bollinger Bands
    bb_bands = BollingerBands(df["Close"])
    bb = df
    bb["bb_h"] = bb_bands.bollinger_hband()
    bb["bb_l"] = bb_bands.bollinger_lband()
    bb = bb[["Close","bb_h","bb_l"]]

    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Bollinger Bands </p>
  """, unsafe_allow_html=True)
    st.line_chart(bb)


    st.write(" ")


    # Resistence Strength Indicator
    
    rsi = RSIIndicator(df["Close"]).rsi()
    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Resistence Strength Indicator </p>
  """, unsafe_allow_html=True)
    st.write(" ")
    st.line_chart(rsi)

    st.write("  ")


    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> DOGE-USD Forecast using Facebook Prophet </p>
  """, unsafe_allow_html=True) 
    
    st.write("  ")

    data = df.reset_index()
    period = st.slider("Days of prediction:", 1, 365)
   
    # Predict forecast with Prophet.
    df_train = data[["Date","Close"]]
    df_train = df_train.rename(columns={"Date": "ds", "Close": "y"})

    m = Prophet()
    m.fit(df_train)
    future = m.make_future_dataframe(periods=period)
    forecast = m.predict(future)
    
    st.write(f'Forecast plot for {period} days')
    fig1 = plot_plotly(m, forecast)
    st.plotly_chart(fig1)



    st.write(" ")

    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Latest News </p>
  """, unsafe_allow_html=True)

    st.write(" ")   

    news = GoogleNews()
    news = GoogleNews("en", "d")
    news.search("Dogecoin")
    news.get_page(1)
    result = news.result()
    st.write("1. " + result[1]["title"])
    st.info("1. " + result[1]["link"])
    st.write("2. " + result[2]["title"])
    st.info("2. " + result[2]["link"])
    st.write("3. " + result[3]["title"])
    st.info("3. " + result[3]["link"])
    st.write("4. " + result[4]["title"])
    st.info("4. " + result[4]["link"])
    st.write("5. " + result[5]["title"])
    st.info("5. " + result[5]["link"])

    st.write("  ")

   


  elif option == "XRP-USD":
    df = get_data(option, start_date, end_date)
    
    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Raw Data </p>
  """, unsafe_allow_html=True)
    st.write(" ")

    st.write(df)

    st.write(" ")

    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Close Price </p>
  """, unsafe_allow_html=True)
    st.write("    ")
    st.line_chart(df["Close"])

    st.write(" ")

    # MACD

    st.write(" ")
    macd = MACD(df["Close"]).macd()

    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Moving Average Convergence Divergence </p>
  """, unsafe_allow_html=True)
    st.write(" ")

    st.area_chart(macd)


      # Bollinger Bands
    bb_bands = BollingerBands(df["Close"])
    bb = df
    bb["bb_h"] = bb_bands.bollinger_hband()
    bb["bb_l"] = bb_bands.bollinger_lband()
    bb = bb[["Close","bb_h","bb_l"]]

    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Bollinger Bands </p>
  """, unsafe_allow_html=True)
    st.line_chart(bb)


    st.write(" ")


    # Resistence Strength Indicator
    
    rsi = RSIIndicator(df["Close"]).rsi()
    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Resistence Strength Indicator </p>
  """, unsafe_allow_html=True)
    st.write(" ")
    st.line_chart(rsi)


    st.write("  ")

    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> DOGE-USD Forecast using Facebook Prophet </p>
  """, unsafe_allow_html=True) 
    
    st.write("  ")

    data = df.reset_index()
    period = st.slider("Days of prediction:", 1, 365)
   
    # Predict forecast with Prophet.
    df_train = data[["Date","Close"]]
    df_train = df_train.rename(columns={"Date": "ds", "Close": "y"})

    m = Prophet()
    m.fit(df_train)
    future = m.make_future_dataframe(periods=period)
    forecast = m.predict(future)
    
    st.write(f'Forecast plot for {period} days')
    fig1 = plot_plotly(m, forecast)
    st.plotly_chart(fig1)



    st.write(" ")

    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Latest News </p>
  """, unsafe_allow_html=True)

    st.write(" ")   

    news = GoogleNews()
    news = GoogleNews("en", "d")
    news.search("XRP")
    news.get_page(1)
    result = news.result()
    st.write("1. " + result[1]["title"])
    st.info("1. " + result[1]["link"])
    st.write("2. " + result[2]["title"])
    st.info("2. " + result[2]["link"])
    st.write("3. " + result[3]["title"])
    st.info("3. " + result[3]["link"])
    st.write("4. " + result[4]["title"])
    st.info("4. " + result[4]["link"])
    st.write("5. " + result[5]["title"])
    st.info("5. " + result[5]["link"])

    


  elif option == "ADA-USD":
    df = get_data(option, start_date, end_date)
    
    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Raw Data </p>
  """, unsafe_allow_html=True)
    st.write(" ")

    st.write(df)

    st.write(" ")

    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Close Price </p>
  """, unsafe_allow_html=True)
    st.write("    ")
    st.line_chart(df["Close"])

    st.write(" ")

    # MACD

    st.write(" ")
    macd = MACD(df["Close"]).macd()

    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Moving Average Convergence Divergence </p>
  """, unsafe_allow_html=True)
    st.write(" ")

    st.area_chart(macd)


      # Bollinger Bands
    bb_bands = BollingerBands(df["Close"])
    bb = df
    bb["bb_h"] = bb_bands.bollinger_hband()
    bb["bb_l"] = bb_bands.bollinger_lband()
    bb = bb[["Close","bb_h","bb_l"]]

    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Bollinger Bands </p>
  """, unsafe_allow_html=True)
    st.line_chart(bb)


    st.write(" ")


    # Resistence Strength Indicator
    
    rsi = RSIIndicator(df["Close"]).rsi()
    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Resistence Strength Indicator </p>
  """, unsafe_allow_html=True)
    st.write(" ")
    st.line_chart(rsi)


    st.write("  ")

    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> ADA-USD Forecast using Facebook Prophet </p>
  """, unsafe_allow_html=True) 
    
    st.write("  ")

    data = df.reset_index()
    period = st.slider("Days of prediction:", 1, 365)
   
    # Predict forecast with Prophet.
    df_train = data[["Date","Close"]]
    df_train = df_train.rename(columns={"Date": "ds", "Close": "y"})

    m = Prophet()
    m.fit(df_train)
    future = m.make_future_dataframe(periods=period)
    forecast = m.predict(future)
    
    st.write(f'Forecast plot for {period} days')
    fig1 = plot_plotly(m, forecast)
    st.plotly_chart(fig1)



    st.write(" ")

    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Latest News </p>
  """, unsafe_allow_html=True)

    st.write(" ")   

    news = GoogleNews()
    news = GoogleNews("en", "d")
    news.search("cryptocurrency")
    news.get_page(1)
    result = news.result()
    st.write("1. " + result[1]["title"])
    st.info("1. " + result[1]["link"])
    st.write("2. " + result[2]["title"])
    st.info("2. " + result[2]["link"])
    st.write("3. " + result[3]["title"])
    st.info("3. " + result[3]["link"])
    st.write("4. " + result[4]["title"])
    st.info("4. " + result[4]["link"])
    st.write("5. " + result[5]["title"])
    st.info("5. " + result[5]["link"])

    


  elif option == "BNB-USD":
    df = get_data(option, start_date, end_date)
    
    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Raw Data </p>
  """, unsafe_allow_html=True)
    st.write(" ")

    st.write(df)

    st.write(" ")

    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Close Price </p>
  """, unsafe_allow_html=True)
    st.write("    ")
    st.line_chart(df["Close"])

    st.write(" ")

    # MACD

    st.write(" ")
    macd = MACD(df["Close"]).macd()

    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Moving Average Convergence Divergence </p>
  """, unsafe_allow_html=True)
    st.write(" ")

    st.area_chart(macd)


      # Bollinger Bands
    bb_bands = BollingerBands(df["Close"])
    bb = df
    bb["bb_h"] = bb_bands.bollinger_hband()
    bb["bb_l"] = bb_bands.bollinger_lband()
    bb = bb[["Close","bb_h","bb_l"]]

    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Bollinger Bands </p>
  """, unsafe_allow_html=True)
    st.line_chart(bb)


    st.write(" ")


    # Resistence Strength Indicator
    
    rsi = RSIIndicator(df["Close"]).rsi()
    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Resistence Strength Indicator </p>
  """, unsafe_allow_html=True)
    st.write(" ")
    st.line_chart(rsi)


    st.write("  ")

    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> BNB-USD Forecast using Facebook Prophet </p>
  """, unsafe_allow_html=True) 
    
    st.write("  ")

    data = df.reset_index()
    period = st.slider("Days of prediction:", 1, 365)
   
    # Predict forecast with Prophet.
    df_train = data[["Date","Close"]]
    df_train = df_train.rename(columns={"Date": "ds", "Close": "y"})

    m = Prophet()
    m.fit(df_train)
    future = m.make_future_dataframe(periods=period)
    forecast = m.predict(future)
    
    st.write(f'Forecast plot for {period} days')
    fig1 = plot_plotly(m, forecast)
    st.plotly_chart(fig1)



    st.write(" ")

    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Latest News </p>
  """, unsafe_allow_html=True)

    st.write(" ")   

    news = GoogleNews()
    news = GoogleNews("en", "d")
    news.search("BNB")
    news.get_page(1)
    result = news.result()
    st.write("1. " + result[1]["title"])
    st.info("1. " + result[1]["link"])
    st.write("2. " + result[2]["title"])
    st.info("2. " + result[2]["link"])
    st.write("3. " + result[3]["title"])
    st.info("3. " + result[3]["link"])
    st.write("4. " + result[4]["title"])
    st.info("4. " + result[4]["link"])
    st.write("5. " + result[5]["title"])
    st.info("5. " + result[5]["link"])

   


  elif option == "LTC-USD":
    df = get_data(option, start_date, end_date)
    
    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Raw Data </p>
  """, unsafe_allow_html=True)
    st.write(" ")

    st.write(df)

    st.write(" ")

    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Close Price </p>
  """, unsafe_allow_html=True)
    st.write("    ")
    st.line_chart(df["Close"])

    st.write(" ")

    # MACD

    st.write(" ")
    macd = MACD(df["Close"]).macd()

    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Moving Average Convergence Divergence </p>
  """, unsafe_allow_html=True)
    st.write(" ")

    st.area_chart(macd)


      # Bollinger Bands
    bb_bands = BollingerBands(df["Close"])
    bb = df
    bb["bb_h"] = bb_bands.bollinger_hband()
    bb["bb_l"] = bb_bands.bollinger_lband()
    bb = bb[["Close","bb_h","bb_l"]]

    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Bollinger Bands </p>
  """, unsafe_allow_html=True)
    st.line_chart(bb)


    st.write(" ")


    # Resistence Strength Indicator
    
    rsi = RSIIndicator(df["Close"]).rsi()
    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Resistence Strength Indicator </p>
  """, unsafe_allow_html=True)
    st.write(" ")
    st.line_chart(rsi)


    st.write("  ")

    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> LTC-USD Forecast using Facebook Prophet </p>
  """, unsafe_allow_html=True) 
    
    st.write("  ")

    data = df.reset_index()
    period = st.slider("Days of prediction:", 1, 365)
   
    # Predict forecast with Prophet.
    df_train = data[["Date","Close"]]
    df_train = df_train.rename(columns={"Date": "ds", "Close": "y"})

    m = Prophet()
    m.fit(df_train)
    future = m.make_future_dataframe(periods=period)
    forecast = m.predict(future)
    
    st.write(f'Forecast plot for {period} days')
    fig1 = plot_plotly(m, forecast)
    st.plotly_chart(fig1)



    st.write(" ")

    st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Latest News </p>
  """, unsafe_allow_html=True)

    st.write(" ")   

    news = GoogleNews()
    news = GoogleNews("en", "d")
    news.search("Litecoin")
    news.get_page(1)
    result = news.result()
    st.write("1. " + result[1]["title"])
    st.info("1. " + result[1]["link"])
    st.write("2. " + result[2]["title"])
    st.info("2. " + result[2]["link"])
    st.write("3. " + result[3]["title"])
    st.info("3. " + result[3]["link"])
    st.write("4. " + result[4]["title"])
    st.info("4. " + result[4]["link"])
    st.write("5. " + result[5]["title"])
    st.info("5. " + result[5]["link"])


  # Sentiment Analysis

  st.write("  ")

  st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> How generally users feel about cryptocurrency? </p>
  """, unsafe_allow_html=True) 
    
  st.write("  ")


  df = get_tweets(api_key, api_secret, "#cryptocurrency")
  df["Tweets"] = df["Tweets"].apply(Clean)
  df["Subjectivity"] = df["Tweets"].apply(subjectivity)
  df["Polarity"] = df["Tweets"].apply(polarity)

  #WordCloud
  words = " ".join([twts for twts in df["Tweets"]])
  cloud = WordCloud(random_state = 21, max_font_size = 100).generate(words)
  plt.imshow(cloud, interpolation = "bilinear")
  plt.axis("off")
  st.pyplot()

    
  st.write(" ")

  st.write(""" <p style=" color:#FFCC00; font-size: 30px; font-weight:bold"> Sentiment Bar Plot  </p>
  """, unsafe_allow_html=True)

  st.write("  ") 

  # Get Sentiment tweets
  df["Sentiment"] = df["Polarity"].apply(sentiment)
  df["Sentiment"].value_counts().plot(kind = "bar", figsize = (10,5))
  plt.title("Sentiment Analysis Bar Plot")
  plt.xlabel("Sentiment")
  plt.ylabel("Number of Tweets")
  st.pyplot()