import token

def flatten_input(input):
    tokens = []
    tmp = ""
    parsing_number = False

    for i in range(0, len(input)):
        c = input[i]
        if c == '.' or c.isdigit():
            if len(tokens) > 1:
                lookBehind = tokens[len(tokens) - 1]

                if lookBehind == token.TokenType.exp_start:
                    tokens.append(token.Token("^", token.TokenType.power))
            if (i + 1) == len(input):
                tokens.append(token.Token(tmp + c, token.TokenType.constant))

            parsing_number = True
            tmp = tmp + c
            continue

    print(tokens)

def operate(n1, n2, tokenType):
    if tokenType == token.TokenType.add:
        print("Adding %d and %d to get %d." %(n1, n2, n1 + n2))
    elif tokenType == token.TokenType.subtract:
        print("Subtracting %d and %d to get %d." %(n1, n2, n1 - n2))
    elif tokenType == token.TokenType.multiply:
        print("Multiplying %d and %d to get %d" %(n1, n2, n1 * n2))
    elif tokenType == token.TokenType.divide:
        print("Dividing %d and %d to get %d" %(n1, n2, n1 / n2))
    elif tokenType == token.TokenType.power:
        print("Raising %d to the power of %d to get %d" %(n1, n2, n1**n2))
    else:
        raise ValueError(f"Invalid operator value.")

#t1 = token.TokenType()
#t = token.Token("+", token.TokenType.add)
#print(t1.get_operator_verb(t.type))
operate(10, 2, 4)
operate(10, 2, 0)
operate(10, 2, 1)
operate(10, 2, 2)
operate(10, 2, 3)
flatten_input("THis is 96.")