package java112.employee;
import java.util.*;
import java.io.*;

/**
 *  EmployeeDirectory Class
 *
 *@author    Sirirut Jaikongla
 */
public class EmployeeDirectory extends java.lang.Object {
    private  List            empList;
    private  Map             mapId         = new HashMap();
    private  Map             mapLast       = new HashMap();
    private  BufferedReader  in;
    private  int             empId;
    private  String          employeeFile;
    private Properties  props;


    /**
     *  Returns the value of empList.
     *
     *@return    The empList value
     */
    public List getEmpList() {
        return empList;
    }


    /**
     *  Sets the value of empList.
     *
     *@param  empList  The value to assign empList.
     */
    public void setEmpList(List empList) {
        this.empList = empList;
    }


    /**
     *  Returns the value of mapld.
     *
     *@return    The mapld value
     */
    public Map getMapId() {
        return mapId;
    }


    /**
     *  Sets the value of mapld.
     *
     *@param  mapId  The new mapId value
     */
    public void setMapId(Map mapId) {
        this.mapId = mapId;
    }


    /**
     *  Returns the value of mapLast.
     *
     *@return    The mapLast value
     */
    public Map getMapLast() {
        return mapLast;
    }


    /**
     *  Sets the value of mapLast.
     *
     *@param  mapLast  The value to assign mapLast.
     */
    public void setMapLast(Map mapLast) {
        this.mapLast = mapLast;
    }



    /**
     *  load method will load a file from disk and create the employee
     *  collections.
     *
     *@param  inputFilePath              Description of the Parameter
     *@exception  FileNotFoundException  Description of the Exception
     *@exception  IOException            Description of the Exception
     */
    public void load(String inputFilePath) throws FileNotFoundException, IOException {
       
       
        Employee        em;
        List            employs;
       employeeFile = inputFilePath;
        BufferedReader  in       = new BufferedReader(new FileReader(inputFilePath));
        
        while (in.ready()) {
            String    line    = in.readLine();
            String[]  tokens  = line.split("\t");
            em = new Employee(tokens[0], tokens[1], tokens[2], tokens[3], tokens[4], tokens[5], tokens[6]);
            empId = Integer.parseInt(tokens[0]);
            empList.add(em);
            mapId.put(tokens[0], em);
            employs = new ArrayList();
            if (mapLast.containsKey(tokens[2])) {
                employs = (List) mapLast.get(tokens[2]);
                employs.add(em);
                mapLast.put(tokens[2], employs);
            }
            else {
                employs = new ArrayList();
                employs.add(em);
                mapLast.put(tokens[2], employs);

            }

        }

    }



    /**
     *  Adds a feature to the NewEmploy attribute of the EmployeeDirectory
     *  object
     *
     *@param  firstName    The feature to be added to the NewEmploy attribute
     *@param  lastName     The feature to be added to the NewEmploy attribute
     *@param  ssn          The feature to be added to the NewEmploy attribute
     *@param  department   The feature to be added to the NewEmploy attribute
     *@param  roomNumber   The feature to be added to the NewEmploy attribute
     *@param  phoneNumber  The feature to be added to the NewEmploy attribute
     */
    public void addNewEmploy(String firstName, String lastName, String ssn, String department, String roomNumber, String phoneNumber) {
        //The method will create a new Employee object and populate it with the data in the arguments to the method.
        Employee  employs;
        empId++;
        employs = new Employee(Integer.toString(empId), firstName, lastName, ssn, department, roomNumber, phoneNumber);

        //The method will add the new Employee object to the employee collections.
        empList.add(employs);
        mapId.put(Integer.toString(empId), employs);
        mapLast.put(lastName, employs);
    }


    /**
     *  method will take an Employee object an append it to the end of teh employee.dat file.
     *
     *@param  emp  Description of the Parameter
     */
    public synchronized void appendEmployee(Employee emp)throws FileNotFoundException, IOException {
//        List  returnList  = new ArrayList();
        PrintWriter  pw  = new PrintWriter(new FileWriter(employeeFile, true));
        pw.close();
    }


    /**
     *  Description of the Method
     *
     *@param  employID  Description of the Parameter
     *@return           Description of the Return Value
     */
    public List searchById(String employID) {
        empList = new ArrayList();
        if (mapId.containsKey(employID)) {
            empList.add(mapId.get(employID));
        }
        return empList;
    }


    /**
     *  Description of the Method
     *
     *@param  lastName  Description of the Parameter
     *@return           Description of the Return Value
     */
    public List searchByLastName(String lastName) {
        empList = new ArrayList();
        if (mapLast.containsKey(lastName)) {
            empList.add(mapLast.get(lastName));

        }
        return (ArrayList) mapLast.get(lastName);
    }

}

// -- end class EmployeeDirectory