<%
  # API
  my $api = gitprep_api;

  # Parameters
  my $user_id = param('user');
  my $project_id = param('project');
  my $row_id = param('row_id');
  
  # Session
  my $session_user_id = $api->session_user_id;
  
  # Repository information
  my $rep_info = app->rep_info($user_id, $project_id);
  
  # Working repository information
  my $work_rep_info = app->work_rep_info($user_id, $project_id);
  
  # Git
  my $git = $self->app->git;

  # Pull requests
  my $pull_request = app->dbi->model('pull_request')->select(
    [
      {__MY__ => '*'},
      {user => ['id']}
    ],
    where => {'pull_request.row_id' => $row_id}
  )->one;
  
  my $branch1 = $pull_request->{branch1};
  my $branch2 = $pull_request->{branch2};
  
  if (lc $self->req->method eq 'post') {
    
    # Access controll
    unless ($api->can_write_access($session_user_id, $user_id, $project_id)) {
      $self->reply->exception('Forbbiden');
      return;
    }
    
    # Close pull request
    my $op = param('op');
    if ($op eq 'close') {
      app->dbi->model('pull_request')->update(
        {open => 0},
        where => {row_id => $row_id}
      );
      $self->redirect_to('current');
      return;
    }
    elsif ($op eq 'reopen') {
      my $open_time = time;
      app->dbi->model('pull_request')->update(
        {
          open => 1,
          open_time => $open_time
        },
        where => {row_id => $row_id}
      );
      $self->redirect_to('current');
      return;
    }
    elsif ($op eq 'merge') {
      
      # Lock working repository
      my $lock_fh = $self->app->manager->lock_rep($work_rep_info);

      # Prepare merge
      $self->app->manager->prepare_merge(
        $work_rep_info,
        $rep_info,
        $branch1,
        $rep_info,
        $branch2
      );
      
      # Check merge automatical
      my $merge_automatical = $self->app->manager->check_merge_automatical(
        $work_rep_info,
        $rep_info,
        $branch1,
        $rep_info,
        $branch2
      );
      
      if ($merge_automatical) {
        app->manager->merge_and_push(
          $work_rep_info,
          $rep_info,
          $branch1,
          $rep_info,
          $branch2
        );
        
        app->dbi->model('pull_request')->update(
          {open => 0},
          where => {row_id => $row_id}
        );
        
        $self->redirect_to("/$user_id/$project_id/tree/$branch1");
      }
    }
  }
  
  # Commits
  my $commits = $git->forward_commits($rep_info, $branch1, $branch2);
  my $commits_count = @$commits;
  my $commits_date = {};
  my $authors = {};
  for my $commit (@$commits) {
    my $date = $commit->{age_string_date_local};
    $commits_date->{$date} ||= [];
    $authors->{$commit->{author}} = 1;
    push @{$commits_date->{$date}}, $commit;
  }
  my $authors_count = keys %$authors;

  # Start commit
  my $start_commit = $git->separated_commit($rep_info, $branch1, $branch2);

  # End commit
  my $end_commit = $git->get_commit($rep_info, $branch2);
  
  # Pull request first message 
  my $pull_request_message_first = app->dbi->model('pull_request_message')->select(
    [
      {__MY__ => '*'},
      {user => ['id']}
    ],
    where => {pull_request => $row_id, number => 1}
  )->one;
  
  # Check merge automatically
  my $merge_automatical;
  if ($api->can_write_access($session_user_id, $user_id, $project_id) && $pull_request->{open}) {
  
    my $lock_fh = $self->app->manager->lock_rep($work_rep_info);
    
    # Prepare merge
    $self->app->manager->prepare_merge(
      $work_rep_info,
      $rep_info,
      $branch1,
      $rep_info,
      $branch2
    );
    
    # Check merge automatical
    $merge_automatical = $self->app->manager->check_merge_automatical(
      $work_rep_info,
      $rep_info,
      $branch1,
      $rep_info,
      $branch2
    );
  }

  # Commit body arguments
  my %commit_body_args = (
    id => $end_commit->{id},
    from_id => $start_commit->{id},
    rev => $end_commit->{id},
    from_rev => $start_commit->{id}
  );
%>

% layout 'common', title => "Pull Requests Tags \x{30fb} $user_id/$project_id";
  
  %= include '/include/header';
  
  <div class="container">
    <div style="font-size:23px;margin-top:20px;margin-bottom:9px;">
      <%
        my $pull_title = $pull_request->{branch2};
        $pull_title =~ s/_/ /g;
        $pull_title = ucfirst $pull_title;
      %>
      
      <%= $pull_title %> <span style="color:#767676;">#<%= $pull_request->{row_id} %></span>
    </div>
    <div>
      <div style="display:inline-block;color:white;margin-right:4px;">
        % if ($pull_request->{open}) {
          <div style="background:#6cc644;padding:4px 8px;border-radius:3px;">
            Open
          </div>
        % } else {
          <div style="background:#bd2c00;padding:4px 8px;border-radius:3px;">
            Closed
          </div>
        % }
      </div>
      % my $open_user_id = $pull_request->{'user.id'};
      <a style="color:#333333;font-weight:bold" href="<%= url_for("/$open_user_id") %>"><%= $open_user_id %></a> 
      <span style="color:#767676">
        wants to merge <%= $commits_count %> commits
        into
        <span style="display:inline-block;padding:2px 4px;background:#e8f0f8;color:#336479;border-radius:3px;">
          <%= $pull_request->{branch1} %>
        </span>
        from
        <span style="display:inline-block;padding:2px 4px;background:#e8f0f8;color:#336479;border-radius:3px;">
          <%= $pull_request->{branch2} %>
        </span>
      </span>
    </div>
    <div>
      <ul class="compare-header">
        <li>
          <b><%= @$commits %></b> <span>commit</span>
        </li>
        <li>
          <b><%= $authors_count %></b> <span>contributor</span>
        </li>
        <li>
          
        </li>
        <li>
          
        </li>
      </ul>
      <div class="pull-comment">
        <div class="pull-comment-header">
          <b><%= $pull_request_message_first->{'user.id'} %></b>
          <span style="color:#767676">
            commented
            <%= $api->age_string($pull_request_message_first->{update_time}) %></b>
          </span>
        </div>
        <div class="pull-comment-body">
          <%= $pull_request_message_first->{message} %>
        </div>
      </div>
      
      <div class="commits">
        % for my $date (reverse sort keys %$commits_date) {
          % my $commits = $commits_date->{$date};
          
          <div class="commit-date">
            <i class="icon-off"></i><span>Commits on <%= $date %></span>
          </div>
          
          <ul class="compare-commits-date-container">
            % for my $commit (sort {$b->{author_epoch} <=> $a->{author_epoch}} @$commits) {
              <%
                my $commit_author_email = $commit->{author_email};
                my $commit_author_id = app->dbi->model('user')->select(
                  'id',
                  where => {email => $commit_author_email}
                )->value;
              %>
              <li>
                <div class="compare-commits-author">
                  <span title="<%= $commit->{author_email} %>">
                    % if (defined $commit_author_id) {
                      <a href="<%= url_for("/$commit_author_id") %>"><%= $commit_author_id %></a>
                    % } else {
                      <%= $commit->{author_name} %>
                    % }
                  </span>
                </div>
                <div class="compare-commits-commit-title">
                  <a style="color:#333" href="<%= url_for("/$user_id/$project_id/commit/$commit->{id}") %>">
                    <%= $commit->{title_short} %>
                  </a>
                </div>
                <div class="compare-commits-commit-id">
                  <a href="<%= url_for("/$user_id/$project_id/commit/$commit->{id}") %>">
                    <%= substr($commit->{id}, 0, 7) %>
                  </a>
                </div>
              </li>
            % }
          </ul>
        % }
      </div>

  
      %= include '/include/commit_body', %commit_body_args;
      
      % if ($api->can_write_access($session_user_id, $user_id, $project_id)) {
        % if ($merge_automatical && $pull_request->{open}) {
          <form action="<%= url_for %>" method="post">
            <%= hidden_field op => 'merge' %>
            <div class="pull-request-form">
              <div style="overflow:hidden">
                <div style="float:left;padding:10px;padding-right:0">
                  <div style="width:30px;height:30px;text-align:center;border-radius:15px;background:#95c97e;color:white;padding-top:5px;"><%= "\x{2714}" %></div>
                </div>
                <div style="float:left">
                  <div class="pull-request-form-title">
                    <div>
                      <b>This branch has no conflicts with the base branch</b>
                    </div>
                    <div>
                      <span style="color:#767676">Merging can be performed automatically.</span>
                    </div>
                  </div>
                </div>
              </div>
              <div class="pull-request-form-button">
                <%= submit_button 'Merge pull request', class => "btn btn-success" %>
              </div>
            </div>
          </form>
        % }
        
        % if ($pull_request->{open}) {
          <div style="text-align:right;margin-top:10px;">
            <form action="<%= url_for %>" method="post">
              <%= hidden_field op => 'close' %>
              <%= submit_button 'Close pull request', class => 'btn' %>
            </form>
          </div>
        % } else {
          <div style="text-align:right;margin-top:10px;">
            <form action="<%= url_for %>" method="post">
              <%= hidden_field op => 'reopen' %>
              <%= submit_button 'Reopen pull request', class => 'btn' %>
            </form>
          </div>
        % }
      % }
    </div>
  </div>

 
  %= include '/include/footer';