/*
 * Copyright 2016 The Bazel Authors. All rights reserved.
 *
 * 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.idea.blaze.base.sync.data;

import com.google.common.base.Strings;
import com.google.idea.blaze.base.settings.BlazeImportSettings;
import com.intellij.openapi.application.PathManager;
import com.intellij.openapi.project.Project;
import org.jetbrains.annotations.NotNull;

import java.io.File;

/**
 * Defines where we store our blaze project data.
 */
public class BlazeDataStorage {
  public static final String CACHE_FILE_NAME = "cache.dat";

  @NotNull
  public static File getProjectCacheDir(
    @NotNull Project project,
    @NotNull BlazeImportSettings importSettings) {
    String locationHash = importSettings.getLocationHash();

    // Legacy support: The location hash used to be just the project hash
    if (Strings.isNullOrEmpty(locationHash)) {
      locationHash = project.getLocationHash();
    }

    return new File(getProjectConfigurationDir(), locationHash);
  }

  private static File getProjectConfigurationDir() {
    return new File(PathManager.getSystemPath(), "blaze/projects").getAbsoluteFile();
  }
}