/*
 * Copyright 2000-2011 JetBrains s.r.o.
 *
 * 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 jetbrains.buildServer.server.rest.request;

import java.util.List;
import javax.servlet.http.HttpServletRequest;
import javax.ws.rs.*;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.UriInfo;
import jetbrains.buildServer.ServiceLocator;
import jetbrains.buildServer.server.rest.ApiUrlBuilder;
import jetbrains.buildServer.server.rest.data.BuildsFilter;
import jetbrains.buildServer.server.rest.data.DataProvider;
import jetbrains.buildServer.server.rest.model.PagerData;
import jetbrains.buildServer.server.rest.model.build.Build;
import jetbrains.buildServer.server.rest.model.build.Builds;
import jetbrains.buildServer.server.rest.model.buildType.BuildType;
import jetbrains.buildServer.server.rest.model.buildType.BuildTypes;
import jetbrains.buildServer.server.rest.model.project.Project;
import jetbrains.buildServer.server.rest.model.project.Projects;
import jetbrains.buildServer.server.rest.util.BeanFactory;
import jetbrains.buildServer.serverSide.SBuild;
import jetbrains.buildServer.serverSide.SBuildType;
import jetbrains.buildServer.serverSide.SProject;

/**
 * User: Yegor Yarko
 * Date: 11.04.2009
 */
@Path(ProjectRequest.API_PROJECTS_URL)
public class ProjectRequest {
  @Context private DataProvider myDataProvider;
  @Context private ApiUrlBuilder myApiUrlBuilder;
  @Context private ServiceLocator myServiceLocator;
  @Context private BeanFactory myFactory;

  public static final String API_PROJECTS_URL = Constants.API_URL + "/projects";

  public static String getProjectHref(SProject project) {
    return API_PROJECTS_URL + "/id:" + project.getProjectId();
  }

  @GET
  @Produces({"application/xml", "application/json"})
  public Projects serveProjects() {
    return new Projects(myDataProvider.getServer().getProjectManager().getProjects(), myApiUrlBuilder);
  }

  @GET
  @Path("/{projectLocator}")
  @Produces({"application/xml", "application/json"})
  public Project serveProject(@PathParam("projectLocator") String projectLocator) {
    return new Project(myDataProvider.getProject(projectLocator), myDataProvider, myApiUrlBuilder);
  }

  @GET
  @Path("/{projectLocator}/{field}")
  @Produces("text/plain")
  public String serveProjectFiled(@PathParam("projectLocator") String projectLocator,
                                  @PathParam("field") String fieldName) {
    return myDataProvider.getFieldValue(myDataProvider.getProject(projectLocator), fieldName);
  }

  @GET
  @Path("/{projectLocator}/buildTypes")
  @Produces({"application/xml", "application/json"})
  public BuildTypes serveBuildTypesInProject(@PathParam("projectLocator") String projectLocator) {
    SProject project = myDataProvider.getProject(projectLocator);
    return new BuildTypes(project.getBuildTypes(), myDataProvider, myApiUrlBuilder);
  }

  @GET
  @Path("/{projectLocator}/buildTypes/{btLocator}")
  @Produces({"application/xml", "application/json"})
  public BuildType serveBuildType(@PathParam("projectLocator") String projectLocator,
                                  @PathParam("btLocator") String buildTypeLocator) {
    SBuildType buildType = myDataProvider.getBuildType(myDataProvider.getProject(projectLocator), buildTypeLocator);

    return new BuildType(buildType, myDataProvider, myApiUrlBuilder);
  }

  @GET
  @Path("/{projectLocator}/buildTypes/{btLocator}/{field}")
  @Produces("text/plain")
  public String serveBuildTypeFieldWithProject(@PathParam("projectLocator") String projectLocator,
                                               @PathParam("btLocator") String buildTypeLocator,
                                               @PathParam("field") String fieldName) {
    SBuildType buildType = myDataProvider.getBuildType(myDataProvider.getProject(projectLocator), buildTypeLocator);

    return myDataProvider.getFieldValue(buildType, fieldName);
  }

  //todo: separate methods to serve running builds

  @GET
  @Path("/{projectLocator}/buildTypes/{btLocator}/builds")
  @Produces({"application/xml", "application/json"})
  //todo: add qury params limiting range
  public Builds serveBuilds(@PathParam("projectLocator") String projectLocator,
                            @PathParam("btLocator") String buildTypeLocator,
                            @QueryParam("status") String status,
                            @QueryParam("triggeredByUser") String userLocator,
                            @QueryParam("includePersonal") boolean includePersonal,
                            @QueryParam("includeCanceled") boolean includeCanceled,
                            @QueryParam("onlyPinned") boolean onlyPinned,
                            @QueryParam("tag") List<String> tags,
                            @QueryParam("agentName") String agentName,
                            @QueryParam("sinceBuild") String sinceBuildLocator,
                            @QueryParam("sinceDate") String sinceDate,
                            @QueryParam("start") @DefaultValue(value = "0") Long start,
                            @QueryParam("count") @DefaultValue(value = Constants.DEFAULT_PAGE_ITEMS_COUNT) Integer count,
                            @Context UriInfo uriInfo, @Context HttpServletRequest request) {
    //todo: support locator parameter
    SBuildType buildType = myDataProvider.getBuildType(myDataProvider.getProject(projectLocator), buildTypeLocator);
    final List<SBuild> buildsList = myDataProvider.getBuilds(
      // preserve 5.0 logic for personal/canceled/pinned builds
      new BuildsFilter(buildType, status, myDataProvider.getUserIfNotNull(userLocator),
                       includePersonal ? null : false, includeCanceled ? null : false, false, onlyPinned ? true : null, tags, agentName,
                       myDataProvider.getRangeLimit(buildType, sinceBuildLocator, myDataProvider.parseDate(sinceDate)), null, start,
                       count));
    return new Builds(buildsList,
                      myDataProvider,
                      new PagerData(uriInfo.getRequestUriBuilder(), request, start, count, buildsList.size()),
                      myApiUrlBuilder);
  }

  @GET
  @Path("/{projectLocator}/buildTypes/{btLocator}/builds/{buildLocator}")
  @Produces({"application/xml", "application/json"})
  public Build serveBuildWithProject(@PathParam("projectLocator") String projectLocator,
                                     @PathParam("btLocator") String buildTypeLocator,
                                     @PathParam("buildLocator") String buildLocator) {
    SBuildType buildType = myDataProvider.getBuildType(myDataProvider.getProject(projectLocator), buildTypeLocator);
    SBuild build = myDataProvider.getBuild(buildType, buildLocator);

    return new Build(build, myDataProvider, myApiUrlBuilder, myServiceLocator, myFactory);
  }

  @GET
  @Path("/{projectLocator}/buildTypes/{btLocator}/builds/{buildLocator}/{field}")
  @Produces("text/plain")
  public String serveBuildFieldWithProject(@PathParam("projectLocator") String projectLocator,
                                           @PathParam("btLocator") String buildTypeLocator,
                                           @PathParam("buildLocator") String buildLocator,
                                           @PathParam("field") String field) {
    SBuildType buildType = myDataProvider.getBuildType(myDataProvider.getProject(projectLocator), buildTypeLocator);
    SBuild build = myDataProvider.getBuild(buildType, buildLocator);

    return myDataProvider.getFieldValue(build, field);
  }
}