/*
    *    Copyright 2011-2026 the original author or authors.
    *
    *    This program is free software; you can redistribute it and/or
    *    modify it under the terms of the GNU General Public License
    *    as published by the Free Software Foundation; either version 2
    *    of the License, or (at your option) any later version.
    *
    *    You may obtain a copy of the License at
   *
   *       https://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html
   *
   *    This program is distributed in the hope that it will be useful,
   *    but WITHOUT ANY WARRANTY; without even the implied warranty of
   *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   *    GNU General Public License for more details.
   */
  package com.hazendaz.maven.makeself;
  
  import java.nio.file.Files;
  import java.nio.file.Path;
  
  import org.apache.maven.plugin.MojoExecutionException;
  import org.apache.maven.plugin.MojoFailureException;
  import org.apache.maven.plugins.annotations.LifecyclePhase;
  import org.apache.maven.plugins.annotations.Mojo;
  import org.apache.maven.plugins.annotations.Parameter;
  
  /**
   * The Class GitMojo.
   * <p>
   * Downloads and installs portable Git on Windows from the Maven repository. This goal can be used standalone in any
   * Maven project (or without a project) to obtain a secure, vetted copy of portable Git without needing to use a browser
   * or locate the artifact in the local Maven repository manually.
   * </p>
   * <p>
   * On non-Windows systems this goal is a no-op since makeself and bash are natively available.
   * </p>
   */
  @Mojo(name = "git", defaultPhase = LifecyclePhase.NONE, requiresProject = false)
  public class GitMojo extends AbstractGitMojo {
  
      /** Skip run of plugin. */
      @Parameter(defaultValue = "false", property = "makeself.skip")
      private boolean skip;
  
      @Override
      public void execute() throws MojoExecutionException, MojoFailureException {
          // Ensure gitPath is never null
          if (this.gitPath == null) {
              this.gitPath = "";
          }
  
          // Check if plugin run should be skipped
          if (this.skip) {
              this.getLog().info("Makeself git is skipped");
              return;
          }
  
          if (!this.isWindows()) {
              this.getLog().info("Portable git is only applicable on Windows; skipping on this platform");
              return;
          }
  
          // Use existing git if a valid path was provided
          if (!this.gitPath.isEmpty() && Files.exists(Path.of(this.gitPath))) {
              this.getLog().info("Using existing 'Git' found at " + this.gitPath);
              this.gitPath = this.gitPath + AbstractGitMojo.GIT_USER_BIN;
          } else {
              // Download and install portable git
              this.checkGitSetup();
          }
  
          this.getLog().info("Portable git is available at: " + this.gitPath);
      }
  
  }