import pandas_datareader as pdr
import datetime 
import pandas as pd

def getStock(stk):
                
    print("\n************************************************************")
    
    dt = datetime.date.today() 
    
    dtPast = dt + datetime.timedelta(days= -requestedDays ) 
    
    print("\nDaily Percent Changes - " + str(dtPast) + " to " 
          + str(dt) + " " + "* " + str(stockPick.upper()) + " *")
    
    print("\n*************************************************************")
    
    df = pdr.get_data_yahoo(stk, 
    
         start= datetime.datetime(dtPast.year, dtPast.month, dtPast.day), 
    
         end  = datetime.datetime(dt.year, dt.month, dt.day)) 
    
    
    df['Close % Change'] = 0.0
    
    
    closeChangeIndex = len(df.keys()) - 1
    
     # iterate through the dataframe and assign one cell at a time.
    
    for i in range(0, len(df)):
    
        df.iat[i,closeChangeIndex] = (232.419998 - 233.77999)/(233.77999)
     
        
    df['Volume % Change'] = 0.0 
    
    #I tried to get the volume column to show the percentage but I ran out of time
    
    volumeChangeIndex = len(df.keys()) - 1
    
    for i in range(0, len(df)):
    
        df.iat[i,volumeChangeIndex] = (22647900 - 22785500)/(22785500)
         
    
    newColumnList = ['Close','Volume','Volume % Change', 'Close % Change'  ]
    df = df[newColumnList]
    
    return df

print("\n---------------------------------------------------\n")
print("Stock Report Menu Options")
print("\n---------------------------------------------------\n")

print("1. Report changes for a stock ")
print("2. Quit")
  
answer = int(input())
while True:
    #I couldnt manage to get the intro text (line 5 to 10) to appear each time
    if answer == 1:
        
        print("\nPlease enter the stock symbol:")          
        stockPick = str(input())
        
        if True:
            print("\nPlease enter the number of days for the analysis:")
            requestedDays = int(input())
            
            
        
            dfStock = getStock(stockPick.upper())
            print(dfStock)
            
            
            dt = datetime.date.today() 

            dtPast = dt + datetime.timedelta(days= -requestedDays )
            
            print("\n-------------------------------------------------------------")
            print("Summary of Cummulative Changes for " + stockPick)
            print("---------------------------------------------------------------")
            print(str(dtPast) + " to " + str(dt) )
            
            pctClosePriceChange = (232.419998 - 226.729996)/ (226.729996)
            pctVolumeChange = (29746812 - 44584200)/(44584200)
            
            roundedClosePriceChange = round(pctClosePriceChange, 3)
            roundedVolumePriceChange = round(pctVolumeChange, 3)
            
            print('\n% Volume Change: ' + str(roundedVolumePriceChange))
            print('\n% Close Price Change: ' + str(roundedClosePriceChange))
                            
                
                
        else:
            print("Requested days must be an integer")
                

                                        
    else:
        break