package de.neitzel.fxdesigner.maven;

import java.nio.file.*;
import java.util.*;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugins.annotations.*;

/** Validates Maven's selected effective projects before any application lifecycle phase. */
@Mojo(name = "plan", aggregator = true, threadSafe = true)
public final class PlanMojo extends AbstractMojo {
  @Parameter(defaultValue = "${session}", readonly = true, required = true)
  private MavenSession session;

  @Parameter(property = "designer.workspace", required = true)
  private java.io.File workspace;

  public void execute() throws MojoExecutionException {
    try {
      Path root = workspace.toPath().toRealPath();
      var activeProfiles = new HashSet<String>();
      for (var project : session.getProjects()) {
        Path base = project.getBasedir().toPath().toRealPath();
        if (!base.startsWith(root))
          throw new IllegalArgumentException("Module outside isolated reactor");
        var paths = new ArrayList<String>();
        paths.add(project.getBuild().getDirectory());
        paths.add(project.getBuild().getOutputDirectory());
        paths.add(project.getBuild().getTestOutputDirectory());
        paths.addAll(project.getCompileSourceRoots());
        paths.addAll(project.getTestCompileSourceRoots());
        project.getResources().forEach(r -> paths.add(r.getDirectory()));
        project.getTestResources().forEach(r -> paths.add(r.getDirectory()));
        for (String path : paths)
          if (!Path.of(path).toAbsolutePath().normalize().startsWith(base))
            throw new IllegalArgumentException(
                "Effective source/output path outside module: " + path);
        project.getActiveProfiles().forEach(p -> activeProfiles.add(p.getId()));
        project.getInjectedProfileIds().values().forEach(activeProfiles::addAll);
        getLog().info("Designer scope: " + root.relativize(base) + " (" + project.getId() + ")");
      }
      if (!activeProfiles.containsAll(session.getRequest().getActiveProfiles()))
        throw new IllegalArgumentException("Requested Maven profile did not activate");
    } catch (Exception e) {
      throw new MojoExecutionException("Unsupported effective Maven build plan", e);
    }
  }
}