# -------------------------------------------------#
# Title: Adding a class structure to a script
# Dev:   Craig Lewin
# Date:  May 20, 2019
# ChangeLog: (Who, When, What)
#   Craig Lewin, 05/20/2019, Began coding for assignment 8
# -------------------------------------------------#


class Product(object):
    """Doc String"""
    # ---------------------------------------#
    # Desc: Manipulates product data
    # Dev: Craig Lewin
    # Date: 5/20/2019
    # ChangeLog: (When, Who, What)
    # - 5/20/2019, CLewin, Wrote class
    # ---------------------------------------#

    # --Fields--
    strUserInput = None  # A string which holds user input

    # --Constructor--
        # Attributes

    # --Properties--

    # --Methods--
    def WriteProductUserInput(File):
        try:
            print("Type in a Product Id, Name, and Price you want to add to the file")
            print("(Enter 'Exit' to quit!)")
            while (True):
                strUserInput = input("Enter the Id, Name, and Price (ex. 1,ProductA,9.99): ")
                if (strUserInput.lower() == "exit"):
                    break
                else:
                    File.write(strUserInput + "\n")
        except Exception as e:
            print("Error: " + str(e))

# --End of Product class--


class FileIO(object):
    """Doc String"""
    # ---------------------------------------#
    # Desc: Interacts with file objects for reading/writing
    # Dev: Craig Lewin
    # Date: 5/20/2019
    # ChangeLog: (When, Who, What)
    # - 5/20/2019, CLewin, Wrote class
    # ---------------------------------------#

    # --Fields--
    objFile = None  # File Handle

    # --Constructor--
        # Attributes

    # --Properties--

    # --Methods--
    def ReadAllFileData(File, Message="Contents of File"):
        try:
            print(Message)
            File.seek(0)
            print(File.read())
        except Exception as e:
            print("Error: " + str(e))

# --End of FileIO class--

try:
  objFile = open("Products.txt", "r+")
  FileIO.ReadAllFileData(objFile, "Here is the current data:")
  Product.WriteProductUserInput(objFile)
  FileIO.ReadAllFileData(objFile, "Here is this data was saved:")
except FileNotFoundError as e:
     print("Error: " + str(e) + "\n Please check the file name")
except Exception as e:
    print("Error: " + str(e))
finally:
  if(objFile != None):objFile.close()