/**
 * Copyright 2010 Jonas Huckestein, jonas.huckestein@me.com, http://thezukunft.com
 * 
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following
 * conditions:
 * 
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 **/
package com.thezukunft.wave.connectormock;

import java.util.HashMap;

import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.core.client.JsArray;
import com.google.gwt.core.client.JsArrayString;
import com.google.gwt.user.client.Window;
import com.thezukunft.wave.connector.State;

public class StateMock implements State {

  protected HashMap<String, String> map;
  private WaveMock wave;

  public StateMock() {
    map = new HashMap<String, String>();
  }

  @Override
  public String get(String key) {
    return map.get(key);
  }

  @Override
  public String get(String key, String optDefault) {
    if (map.containsKey(key))
      return map.get(key);
    else
      return optDefault;
  }

  @Override
  public Integer getInt(String key) {
    if (!map.containsKey(key))
      return null;
    Integer value;
    try {
      value = Integer.parseInt(map.get(key));
    } catch (NumberFormatException e) {
      return null;
    }
    return value;
  }

  @Override
  public JsArrayString getKeys() {
    // this seems pretty inefficient but oh well ...
    JsArrayString array = JsArray.createArray().cast();
    for (String k : map.keySet()) {
      array.push(k);
    }
    return array;
  }

  @Override
  public void reset() {
    map.clear();
  }

  @Override
  public void submitDelta(HashMap<String, String> delta) {
    for (String k : delta.keySet()) {
      map.put(k, delta.get(k));
    }
    wave.manualStateChange();
  }

  @Override
  public void submitDelta(JavaScriptObject delta) {
    Window.alert("try to submit deltas as a hash-map ...  this doesnt work in mock mode");
  }

  @Override
  public void submitValue(String key, String value) {
    HashMap<String, String> delta = new HashMap<String, String>();
    delta.put(key, value);
    submitDelta(delta);
  }

  public void setWave(WaveMock wave) {
    this.wave = wave;
  }

}