# gpa.py
"""    Program to find student with highest GPA
       Has a Student Class in it
"""
import string
import tkFileDialog

class Student:
    """ Simulates a student with a GPA, number of hours they have 
        passed so far, and number of quality points they have accumlated.
    """

    def __init__(self, name, hours, qpoints):
        """ Initialize the student """
        self.name = name
        self.hours = float(hours)
        self.qpoints = float(qpoints)

    def getName(self):
        """ Get the name of the Student """
        return self.name

    def getHours(self):
        """ Get the hours the Student has completed """
        return self.hours

    def getQPoints(self):
        """ Get the quality points the student has accumulated """
        return self.qpoints

    def gpa(self):
        """ Return the GPA """
        return self.qpoints/self.hours


# ------------------------------------
# No longer in the class 
# ------------------------------------
def makeStudent(infoStr):
    print 'LINE FROM FILE: ', infoStr
    name, hours, qpoints = string.split(infoStr,'-')
    return Student(name, hours, qpoints)


def main():

    # Get the filename
    #filename = raw_input("Enter name the grade file: ")
    #infile = open(filename, 'r')
    infile = tkFileDialog.askopenfile()

    # Construct some students
    worst = makeStudent(infile.readline())

    # Find the best student? HOW?
        # Loop through the file and read each student
    for line in infile:
        currentStudent = makeStudent(line)
        # If the stduent is better than the last student, keep it
        if currentStudent.gpa() < worst.gpa():
            worst = currentStudent

    # Close the file
    infile.close()

    # Display results
    print "The worst student is:", worst.name
    print "hours:", worst.getHours()
    print "GPA:", worst.gpa()

# This makes sure that the main program ONLY runs if 
# this is the outermost module being called
if __name__ == '__main__':
    main()