/*
 * LocationBean.java Jan 22, 2012
 * 
 * Copyright 2012 Uralian, LLC. All rights reserved.
 */
package com.uralian.sample;

import java.io.Serializable;
import java.util.*;

import javax.faces.bean.ManagedBean;
import javax.faces.bean.SessionScoped;

/**
 * @author Vlad Orzhekhovskiy
 */
@ManagedBean
@SessionScoped
public class LocationBean implements Serializable
{
  private static final long serialVersionUID = 1L;

  private static SortedMap<String, SortedMap<String, Integer>> dataMap;
  static
  {
    SortedMap<String, Integer> gaCities = new TreeMap<String, Integer>();
    gaCities.put("Atlanta", 1234566);
    gaCities.put("Roswell", 23435);
    gaCities.put("Duluth", 45235);
    gaCities.put("Marietta", 3503);
    gaCities.put("", null);

    SortedMap<String, Integer> flCities = new TreeMap<String, Integer>();
    flCities.put("Miami", 9834234);
    flCities.put("Tampa", 34234);
    flCities.put("Naples", 23145);
    flCities.put("", null);

    SortedMap<String, Integer> alCities = new TreeMap<String, Integer>();
    alCities.put("Montgomery", 342354);
    alCities.put("Mobile", 125608);
    alCities.put("", null);

    dataMap = new TreeMap<String, SortedMap<String, Integer>>();
    dataMap.put("Georgia", gaCities);
    dataMap.put("Alabama", alCities);
    dataMap.put("Florida", flCities);
    dataMap.put("", null);
  }

  private String state = null;
  private String city = null;

  /**
   * @return the state.
   */
  public String getState()
  {
    return state;
  }

  /**
   * @param state the state to set.
   */
  public void setState(String state)
  {
    this.state = state;
    this.city = null;
  }

  /**
   * @return the city.
   */
  public String getCity()
  {
    return city;
  }

  /**
   * @param city the city to set.
   */
  public void setCity(String city)
  {
    this.city = city;
  }
  
  /**
   * @return the population.
   */
  public int getPopulation()
  {
    if (city == null || state.trim().equals(""))
      return 0;

    SortedMap<String, Integer> cityMap = dataMap.get(state);
    return cityMap.get(city);
  }

  public List<String> getStates()
  {
    return new ArrayList<String>(dataMap.keySet());
  }

  public List<String> getCities()
  {
    if (state == null || state.trim().equals(""))
      return Collections.emptyList();

    SortedMap<String, Integer> cityMap = dataMap.get(state);
    return new ArrayList<String>(cityMap.keySet());
  }
}