/*
 * Copyright (C) 2014 The Android Open Source Project
 *
 * 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.android.tools.idea.welcome;

import com.android.tools.idea.sdk.DefaultSdks;
import com.android.tools.idea.sdk.Jdks;
import com.android.tools.idea.wizard.DynamicWizardPath;
import com.android.tools.idea.wizard.ScopedStateStore;
import com.android.tools.idea.wizard.ScopedStateStore.Key;
import com.android.tools.idea.wizard.ScopedStateStore.Scope;
import com.intellij.openapi.projectRoots.Sdk;
import com.intellij.pom.java.LanguageLevel;
import org.jetbrains.annotations.NotNull;

import java.io.File;

/**
 * Guides the user through setting up the JDK location.
 */
public class SetupJdkPath extends DynamicWizardPath {
  private static Key<String> KEY_JDK_LOCATION = ScopedStateStore.createKey("jdk.location", Scope.PATH, String.class);

  @Override
  public boolean isPathVisible() {
    Sdk defaultJdk = DefaultSdks.getDefaultJdk();
    return defaultJdk == null || !Jdks.isApplicableJdk(defaultJdk, LanguageLevel.JDK_1_7);
  }

  @Override
  protected void init() {
    addStep(new JdkLocationStep(KEY_JDK_LOCATION));
  }

  @NotNull
  @Override
  public String getPathName() {
    return "Setup JDK";
  }

  @Override
  public boolean performFinishingActions() {
    String path = myState.get(KEY_JDK_LOCATION);
    assert path != null;
    DefaultSdks.setDefaultJavaHome(new File(path));
    return true;
  }
}