/*******************************
* Name: Huy Nguyen             *
* Lab #5                       *
* Fall 1998, ICS 52            *
********************************/


// ICSRequirement.java -- ICS 52 homework #5 -- Fall, 1998

import java.awt.*;
import java.awt.event.*;
import java.util.*;
import java.io.*;
import SAO.*;


public class ICSRequirement
{
    private Vector requireList;
    private Vector projectList;
    String[][] intemediate = {{"102", "122", "123"},
                              {"132"},
                              {"142", "143", "144", "148"},
                              {"152", "153"},
                              {"162", "163", "164"},
                              {"172", "173"}};

    String[][] math = {{"105A","105B","107"},
                       {"120A","120B","121A","121B","123"},
                       {"130A","130B","130C","131A","131B","131C","132A","132B","132C"},
                       {"114A","140A","140B","140C","140D","146","147"},
                       {"162A","161B"},
                       {"171A","171B","171C"}};

    private float minGPA;
    private SAOCourseList courseList;

    public ICSRequirement( SAOCourseList courseList)
    {
        this.courseList = courseList;
        requireList = new Vector(20,10);
        projectList = new Vector(20,10);
        float minGPA = 2.0f;

        String[] requireICS= {"21","22","23","51","52","6A","121","131","141","151","161","171"};
        addListedCourse("ICS", requireICS, requireList);

        String[] requireMath = {"6A","6B","6C", "3A","2A","2B","2"};
        addListedCourse("Math", requireMath, requireList);


        String[] project = {"125", "126","105", "135","145A", "145B","155A", "155B",
                            "156","165","175A", "175B" };
        addListedCourse("ICS", project, projectList );

    }

    void addListedCourse( String dept, String[] num, Vector list )
    {
        for(int i=0; i<num.length; i++)
        {
            Course c = new Course(dept, num[i]);
            list.addElement(c);
        }
    }


	public float getGPA()
	{
	    return this.minGPA;
	}


    public Enumeration  metRequire( StudentSchedule schedule)
    {
        Vector temp = new Vector();
        for ( int i = 0; i < requireList.size(); i++ )
            if ( !schedule.isInSchedule( (Course) requireList.elementAt(i)) )
                temp.addElement( (Course) requireList.elementAt(i) );
        if( schedule.isInSchedule(new Course("ICS","6A")) ||
            schedule.isInSchedule(new Course("Math","6A")) )
        {
            temp.removeElement(new Course("ICS","6A"));
            temp.removeElement(new Course("Math","6A"));
        }
        if( schedule.isInSchedule(new Course("Math","6C")) ||
            schedule.isInSchedule(new Course("Math","3A")) )
        {
            temp.removeElement(new Course("ICS","6C"));
            temp.removeElement(new Course("Math","3A"));
        }
        Enumeration e = temp.elements();
        return e;
    }

    public String metIntemediate(StudentSchedule schedule)
    {
        int count = 0;
        int group = 0;
        boolean index[] ={false,false,false,false,false,false}; //6 math groups;
        for( int i=0; i < 6; i++ )
        {
            for( int j=0; j < intemediate[i].length; j++ )
            {
                CourseId id = new CourseId( "ICS", intemediate[i][j] );
                if( schedule.isInSchedule(id) )
                {
                    count++;
                    index[i] = true;
                }
            }
        }
        for(int k=0; k < 6; k++ )
            if(index[k]==true) group++;
        String temp = new String("");
        if( count == 0 )
            temp = temp + "There is no course in your schedule satisfying intemediate requirement.";
        else if ( count < 2 )
            temp = temp + "There is only 1 course satisfying intemediate requirement in your schedule.";
        else if ( group < 2 )
            temp = temp + "Your intemediate courses are all in the same group.";
        else
            temp = temp + "There are " + count + " intemediate courses in " + group + " groups.";
        return temp;
    }

	public Enumeration  metProject( StudentSchedule schedule)
    {
        int total = 0;
        Vector v = new Vector(2);
        String str1, str2;
        for ( int i = 0; i < projectList.size(); i++ )
            if ( schedule.isInSchedule( (Course) projectList.elementAt(i)) )
                total++;
        str1 = new String("There are " + total + " project courses in your schedule");
        v.addElement(str1);
        int size = total;
        if( schedule.isInSchedule(new Course("ICS","125A")) &&
            schedule.isInSchedule(new Course("Math","126A")) )
            total--;
        if( schedule.isInSchedule(new Course("Math","145A")) &&
            schedule.isInSchedule(new Course("Math","145B")) )
            total--;
        if( schedule.isInSchedule(new Course("Math","155A")) &&
            schedule.isInSchedule(new Course("Math","155B")) )
            total--;
        if( schedule.isInSchedule(new Course("Math","175A")) &&
            schedule.isInSchedule(new Course("Math","175B")) )
            total--;
        if(size >= 3 && total<3)
        {
            str2 = new String("Project courses are repeated from the same area. Please verify");
            v.addElement(str2);
        }
        Enumeration e = v.elements();
        return e;
    }

	public String metUDMath(StudentSchedule schedule)
	{
        int count = 0;
        int group = 0;
        boolean index[] ={false,false,false,false,false,false}; //6 groups of intemediate;
        for( int i=0; i < 6; i++ )
            for( int j=0; j < math[i].length; j++ )
            {
                CourseId id = new CourseId( "Math", math[i][j] );
                if( schedule.isInSchedule(id) )
                {
                    count++;
                    index[i] = true;
                }
            }
        for(int k=0; k < 6; k++ )
            if(index[k]==true) group++;
        String temp = new String("");
        if( count == 0 )
            temp = temp + "No course in your schedule satisfyies upper division math requirement.";
        else if ( count < 3 )
            temp = temp + "Only "+count+" course(s) satisfy UD math requirement in your schedule.";
        else if ( group < 2 )
            temp = temp + "Your upper division math courses are all in the same group.";
        else
            temp = temp + "There are " + count + " math courses in " + group + " groups.";
        return temp;
    }


	public boolean	metGPA(StudentSchedule schedule)
	{
	    return (schedule.getOverallGPA() > minGPA);
    }


    public void Debug(String mesg)
    {
        System.out.println(mesg);
        return;
    }
}