#!/bin/python3

import sys
import os

buying_history = [];
buying_history_pointer = 0;


def getFromTable(shares):
    print("-----------------------------")
    print("Asked for",shares,"shares")

    wanted = shares
    temp_total = 0.0;
    global buying_history_pointer;

    while(wanted > 0):
        print("Wanted", wanted, "more")
        print("Available ",buying_history)

        if wanted < buying_history[buying_history_pointer][0]:
            temp_total = temp_total + wanted * buying_history[buying_history_pointer][1]
            buying_history[buying_history_pointer][0] = buying_history[buying_history_pointer][0] - wanted
            print("Finished with",buying_history)
            wanted = 0

        elif wanted >= buying_history[buying_history_pointer][0]:
            temp_total = buying_history[buying_history_pointer][0] * buying_history[buying_history_pointer][1]
            wanted = wanted - buying_history[buying_history_pointer][0];
            buying_history[buying_history_pointer][0] = 0
            buying_history_pointer+=1

    return temp_total;

# Complete the function below.
def calculateTax(trades):
    processed_trades = [];
    total_tax = float(0);

    print(trades)
    # Create a 2D list
    for i in range(0, len(trades)):
        processed_trades.append(trades[i].split(","))

    # Create a history of buying
    for i in range(0, len(processed_trades)):
        #Whenever there is a buy order
        if processed_trades[i][2] == "B":
            temp = [int(processed_trades[i][3]),float(processed_trades[i][4])]
            buying_history.append(temp)


    for i in range(0,len(processed_trades)):
        #Check if is buy or sell
        if processed_trades[i][2] == "B":
            print("Buy order")
        else:
            print("Sell order")
            cost_price = float(getFromTable(int(processed_trades[i][3])))
            selling_price = float(processed_trades[i][3]) * float(processed_trades[i][4])

            margin = selling_price - cost_price

            print("C.P",cost_price)
            print("S.P", selling_price)
            print("Margin", margin)

            if margin < 0:
                #Loss
                print("Loss")
            else:
                print("Profit")
                #Calculate the tax
                tax = (25/100) * margin
                total_tax= total_tax + tax


            print("Total tax so far :",total_tax)

    return 0;



if __name__ == "__main__":

    trades = []

    trades.append("2015-01-03,AAPL,B,50,80.0")
    trades.append("2015-01-05,AAPL,B,60,100.0")
    trades.append("2015-02-05,AAPL,S,70,130.0")
    trades.append("2015-02-08,AAPL,S,10,90.0")
    trades.append("2015-03-10,AAPL,S,80,120.0")
    trades.append("2015-03-12,AAPL,B,10,70.0")
    trades.append("2015-04-08,AAPL,B,70,160.0")


    res = calculateTax(trades);