/*
 * Copyright 2009 Google Inc.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.google.gwt.uibinder.rebind.model;

import com.google.gwt.core.ext.typeinfo.JClassType;
import com.google.gwt.resources.client.ImageResource.RepeatStyle;
import com.google.gwt.uibinder.rebind.MortalLogger;

import java.util.Collections;
import java.util.LinkedHashSet;
import java.util.Set;

/**
 * Models the ClientBundle to be generated from a ui.xml.
 */
public class ImplicitClientBundle {
  // LinkedHashSets for consistent order across recompiles
  private final LinkedHashSet<ImplicitCssResource> cssMethods = new LinkedHashSet<ImplicitCssResource>();
  private final LinkedHashSet<ImplicitImageResource> imageMethods = new LinkedHashSet<ImplicitImageResource>();
  private final LinkedHashSet<ImplicitDataResource> dataMethods =  new LinkedHashSet<ImplicitDataResource>();
  private final String packageName;
  private final String className;
  private final String fieldName;
  private final String cssBaseName;
  private final MortalLogger logger;

  /**
   * @param packageName Where the bundle should live
   * @param uiBinderImplClassName The name of the generated ui binder
   *          implementation that owns the bundle
   * @param fieldName The bundle's field name
   */
  public ImplicitClientBundle(String packageName, String uiBinderImplClassName,
      String fieldName, MortalLogger logger) {
    this.packageName = packageName;
    this.className = uiBinderImplClassName + "_GenBundle";
    this.cssBaseName = uiBinderImplClassName + "_GenCss_";
    this.fieldName = fieldName;
    this.logger = logger;
  }

  /**
   * Called to declare a new CssResource accessor on this bundle.
   * 
   * @param name the method name and the ui:field name
   * @param source path to the .css file resource
   * @param extendedInterface the public interface implemented by this
   *          CssResource, or null
   * @param body the inline css text
   * @param importTypes for the {@literal @}Import annotation, if any. LinkedHashSet
   *          to enforce deterministic order across recompiles
   * @return
   */
  public ImplicitCssResource createCssResource(String name, String[] source,
      JClassType extendedInterface, String body, LinkedHashSet<JClassType> importTypes) {
    ImplicitCssResource css = new ImplicitCssResource(packageName, cssBaseName
        + name, name, source, extendedInterface, body, logger, importTypes);
    cssMethods.add(css);
    return css;
  }

  /**
   * Called to declare a new DataResource accessor on this bundle. All params
   * must be non-null
   * 
   * @param name the method name and the ui:field name
   * @param source path to the resource
   * @return
   */
  public ImplicitDataResource createDataResource(String name, String source) {
    ImplicitDataResource data = new ImplicitDataResource(name, source);
    dataMethods.add(data);
    return data;
  }

  /**
   * Called to declare a new ImageResource accessor on this bundle.
   * 
   * @param name the method name and the ui:field name
   * @param source path to the image resource, or null if none was specified
   * @param flipRtl value for the flipRtl ImageOption, or null if none was
   *          specified
   * @param repeatStyle value of the RepeatStyle ImageOption, or null if none
   *          was specified
   * @return
   */
  public ImplicitImageResource createImageResource(String name, String source,
      Boolean flipRtl, RepeatStyle repeatStyle) {
    ImplicitImageResource image = new ImplicitImageResource(name, source,
        flipRtl, repeatStyle);
    imageMethods.add(image);
    return image;
  }

  public String getClassName() {
    return className;
  }

  public Set<ImplicitCssResource> getCssMethods() {
    return Collections.unmodifiableSet(cssMethods);
  }

  public Set<ImplicitDataResource> getDataMethods() {
    return Collections.unmodifiableSet(dataMethods);
  }

  public String getFieldName() {
    return fieldName;
  }

  public Set<ImplicitImageResource> getImageMethods() {
    return Collections.unmodifiableSet(imageMethods);
  }

  public String getPackageName() {
    return packageName;
  }
}