<?php

/**
 * Implements hook_ctools_plugin_directory().
 */
function drupalorg_versioncontrol_ctools_plugin_directory($module, $plugin) {
  if ($module == 'versioncontrol' || $module == 'versioncontrol_release') {
    return "plugins/$plugin";
  }
}

/**
 * Return total number of commits in a given interval.
 *
 * @param $rid
 *   Optional repository identifier.
 * @param $interval
 *   Optional interval in seconds, defaults to 30 days.
 *
 * @return
 *   Total number of commits for the requested repository (or site-wide) in
 *   the specified time interval.
 *
 */
function drupalorg_versioncontrol_get_total_commits($rid = NULL, $interval = -1) {
  if ($interval < 0) {
    // Default to 30 days if not specified.
    $interval = 60 * 60 * 24 * 30;
  }
  $where = isset($rid) ? ' AND repo_id = %d' : '';
  return db_result(db_query('SELECT count(*) FROM {versioncontrol_operations} WHERE date > %d'. $where, time() - $interval, $rid));
}

function drupalorg_versioncontrol_nodeapi(&$node, $op, $a3 = NULL, $a4 = NULL) {
  if (isset($node->type) && $node->type == 'project_project') {
    // Quick one-off to ensure path aliases are correct.
    if (in_array($op, array('insert', 'update')) && !empty($node->project['sandbox'])) {
      // Clear existing alias for the sandbox, it's guaranteed to be wrong.
      path_set_alias("node/$node->nid");
      // Set the one with the git_username
      $user = user_load($node->uid);
      path_set_alias("node/$node->nid", "sandbox/{$user->git_username}/{$node->project['uri']}", NULL, isset($node->language) ? $node->language : '');
    }

    $function = 'drupalorg_versioncontrol_nodeapi_' . $op;
    if (function_exists($function)) {
      return $function($node, $a3, $a4);
    }
  }
}

function drupalorg_versioncontrol_nodeapi_insert(&$node, $a3 = NULL, $a4 = NULL) {
  if ($node->project['sandbox']) {
    $user = user_load($node->uid);
    $top_path = "sandbox/{$user->git_username}/{$node->project['uri']}";
  }
  else {
    $top_path = "project/{$node->project['uri']}";
  }
  $repo_root = variable_get('drupalorg_git_basedir', '/var/git') . '/repositories/' . $top_path . '.git';

  $description = 'For more information about this repository, visit the project page at ' . url('node/' . $node->nid, array('absolute' => TRUE));

  $data = new stdClass();
  $data->name = $node->project['uri'];
  $data->root = $repo_root;
  $data->vcs = 'git';
  $data->plugins = array(
    'auth_handler' => 'account', // We can't rely on the $conf default for this b/c vc_project doesn't respect it
  );
  $data->project_nid = $node->nid;
  $data->update_method = 1;

  $backend = versioncontrol_get_backends('git');
  $repo = $backend->buildEntity('repo', $data);

  // Grab the auth handler just so we know the class is loaded.
  $repo->getAuthHandler();

  $auth_data = array(
    'access' => VersioncontrolAuthHandlerMappedAccounts::ALL,
    'branch_create' => VersioncontrolAuthHandlerMappedAccounts::DENY,
    'branch_update' => VersioncontrolAuthHandlerMappedAccounts::DENY,
    'branch_delete' => VersioncontrolAuthHandlerMappedAccounts::DENY,
    'tag_create' => VersioncontrolAuthHandlerMappedAccounts::DENY,
    'tag_update' => VersioncontrolAuthHandlerMappedAccounts::DENY,
    'tag_delete' => VersioncontrolAuthHandlerMappedAccounts::DENY,
    'per-label' => array()
  );

  $job = array(
    'operation' => array(
      // Create the repo on disk.
      'init' => array(),
      // Save repo record to db, creating a repo_id.
      'save' => array(),
      // Save user auth data.
      'setUserAuthData' => array($node->uid, $auth_data),
      // Set the project description.
      'setDescription' => array($description),
    ),
    'repository' => $repo,
  );

  drupal_queue_include();
  $queue = DrupalQueue::get('versioncontrol_repomgr');
  if (!$queue->createItem($job)) {
    $error_info = array(
      '%nid' => $node->nid,
      '%op' => $op,
    );
    drupal_set_message(t('An error occurred while attempting to enqueue your repository for creation. Please file an issue in the infrastructure queue.'), 'error');
    watchdog('drupalorg_versioncontrol', t("Failed to enqueue Git repository creation job for node '%nid'.", $error_info));
  }
  else {
    drupal_set_message(t('The Git repository for this project has been enqueued for creation. It should be available in a few seconds.'));
  }

}

function drupalorg_versioncontrol_nodeapi_delete(&$node, $a3 = NULL, $a4 = NULL) {
  if (!$node->versioncontrol_project['repo'] instanceof VersioncontrolGitRepository) {
    watchdog('drupalorg_versioncontrol', 'No repo found for project %title when deleting node.', array('%title' => $node->title), WATCHDOG_WARNING);
    return;
  }

  $repo = $node->versioncontrol_project['repo'];
  $job = array(
    'operation' => 'delete',
    'repository' => $repo,
  );

  drupal_queue_include();
  $queue = DrupalQueue::get('versioncontrol_repomgr');
  if (!$queue->createItem($job)) {
    $error_info = array(
      '%nid' => $node->nid,
    );
    drupal_set_message(t('Failed to enqueue Git repository for deletion.'), 'error');
    watchdog('drupalorg_versioncontrol', t("Failed to enqueue repository deletion job for node '%nid'.", $error_info));
  }
  else {
    drupal_set_message(t('Git repository enqueued for deletion.'));
  }
}

/**
 * Implements hook_project_promote_sandbox().
 *
 * Project has been promoted to a full project, relocate it on disk.
 */
function drupalorg_versioncontrol_project_promote_sandbox($project) {
  if (empty($project->versioncontrol_project['repo']) || !$project->versioncontrol_project['repo'] instanceof VersioncontrolGitRepository) {
    watchdog('drupalorg_versioncontrol', t("Trying to enqueue sandbox promotion job for node '%nid', but no repo attached to node.", $error_info));
    return;
  }

  $repo = $project->versioncontrol_project['repo'];
  // Update the name to the new project shortname.
  $repo->name = $project->project['uri'];
  // Just in case, until dbtng fixes hook_query_alter().
  $repo->project_nid = $project->nid;

  $job = array(
    'operation' => array(
      // Relocate the repo on disk and update the repo root.
      'move' => array(variable_get('drupalorg_git_basedir', '/var/git') . '/repositories/project/' . $project->project['uri'] . '.git'),
      // The repository needs to be reinit-ed with project hooks, replacing the old sandbox hooks.
      // FIXME replacing the config file means we lose any custom settings. Make this more robust.
      'reInit' => array(array('hooks', 'config')),
      // Update the description
      'setDescription' => array('For more information about this repository, visit the project page at ' . url('node/' . $project->nid, array('absolute' => TRUE))),
      // Save the updated repo entry to the db.
      'save' => array(),
    ),
    'repository' => $repo,
  );

  drupal_queue_include();
  $queue = DrupalQueue::get('versioncontrol_repomgr');
  if (!$queue->createItem($job)) {
    watchdog('drupalorg_versioncontrol', t("Failed to enqueue promotion of sandbox '%shortname'.", array('%shortname' => $project->uri)));
  }
}

/**
 * Implements views hook_views_default_views_alter().
 */
function drupalorg_versioncontrol_views_default_views_alter(&$views) {
  // Link #123 pattern on operation messages to issues at drupal.org
  $views_with_tracker_url = array(
    // versioncontrol default views (commitlog)
    'commitlog_repository_commits',
    'commitlog_individual_commit',
    'commitlog_global_commits',
    'commitlog_user_commits',
    // versioncontrol_git default views
    'vc_git_individual_commit',
    // versioncontrol_project default views
    'vc_git_project_commit_view',
    'vc_git_project_global_commits',
    'vc_git_project_user_commits',
    'vc_project_commit_view',
    'vc_project_global_commits',
    'vc_project_user_commits',
  );
  foreach ($views_with_tracker_url as $view_name) {
    if (isset($views[$view_name])) {
      if (isset($views[$view_name]->display['default']->display_options['fields']['message']['issue_tracker_url'])) {
        $views[$view_name]->display['default']->display_options['fields']['message']['issue_tracker_url'] = 'http://drupal.org/node/%issue_id';
      }
      // Use views_litepager and remove inner file listings, except on individual commit views.
      if ($view_name != 'commitlog_individual_commit' && $view_name != 'vc_git_individual_commit') {
        if (isset($views[$view_name]->display['default']->display_options)) {
          $views[$view_name]->display['default']->display_options['use_pager'] = 'lite';
        }
        if (isset($views[$view_name]->display['default']->display_options['fields']['view'])) {
          unset($views[$view_name]->display['default']->display_options['fields']['view']);
        }
      }
    }
  }
}

/**
 * Implements hook_form_alter().
 */
function drupalorg_versioncontrol_form_alter(&$form, $form_state, $form_id) {
  if ($form_id == 'project_release_node_form' && !empty($form['error']) && !empty($form['retry'])) {
    $project = $form['project']['#value'];
    $msg = '<strong>' . t('No valid branches or tags found.') . '</strong>';
    $msg .= '<p>' . t('Your release needs to have a tag or branch that follows the <a href="http://drupal.org/node/1015226">naming conventions</a> and have no other release attached to it.') . '</p>';
    $msg .= '<p>' . t('Valid release <strong>tag</strong> examples:') . '</p>';
    $examples = array('7.x-1.2', '7.x-2.0-alpha2', '7.x-2.0-beta3');
    $msg .= theme('item_list', $examples);
    $msg .= '<p>' . t('Valid release <strong>branch</strong> examples:') . '</p>';
    $examples = array('7.x-1.x', '6.x-2.x');
    $msg .= theme('item_list', $examples);
    $msg .= '<p>' . t('For more help, see <a href="http://drupal.org/node/1066342">Creating a Tag or Branch in Git</a> or the <a href="@git_instructions_url">Git instructions</a> page for your project.', array('@git_instructions_url' => url('node/' . $project->nid . '/git-instructions'))) . '</p>';
    $msg .= '<p>' . t('Once you have added a valid branch or tag, <a href="@retry">try again</a>.', array('@retry' => url('node/add/project_release/' . $project->nid))) . '</p>';
    $form['error']['#value'] = $msg;
    unset($form['retry']);
  }
}