<%
  # API
  my $api = gitprep_api;

  # Parameters
  my $base_user_id = param('user');
  my $base_project_id = param('project');
  my $row_id = param('row_id');

  # Pull requests
  my $pull_request = app->dbi->model('pull_request')->select(
    [
      {__MY__ => '*'},
      {'__open_user' => ['id']}
    ],
    where => {'pull_request.row_id' => $row_id}
  )->one;
  
  # Base information
  my $base_project_row_id = $pull_request->{base_project};
  my $base_project = app->dbi->model('project')->select(
    [
      {__MY__ => '*'},
      {__user => ['id']}
    ],
    where => {'project.row_id' => $base_project_row_id}
  )->one;
  my $base_branch = $pull_request->{base_branch};
  
  Carp::croak "pull_request invalid user id"
    if $base_user_id ne $base_project->{'__user.id'};
  Carp::croak "pull_request invalid project id"
    if $base_project_id ne $base_project->{id};
  
  # Target information
  my $target_project_row_id = $pull_request->{target_project};
  my $target_project = app->dbi->model('project')->select(
    [
      {__MY__ => '*'},
      {__user => ['id']}
    ],
    where => {'project.row_id' => $target_project_row_id}
  )->one;
  my $target_branch = $pull_request->{target_branch};
  my $target_user_id = $target_project->{'__user.id'};
  my $taregt_project_id = $target_project->{id};
  
  # Session
  my $session_user_row_id = $api->session_user_row_id;
  my $session_user_id = $api->session_user_id;
  
  # Base repository information
  my $base_rep_info = app->rep_info($base_user_id, $base_project_id);
  
  # Target repository information
  my $target_rep_info = app->rep_info($target_user_id, $base_project_id);
  
  # Working repository information
  my $work_rep_info = app->work_rep_info($base_user_id, $base_project_id);
  
  # Git
  my $git = $self->app->git;
  
  if (lc $self->req->method eq 'post') {
    
    # Access controll
    unless ($api->can_write_access($session_user_id, $base_user_id, $base_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,
          open_user => $session_user_row_id
        },
        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,
          open_user => $session_user_row_id
        },
        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,
        $base_rep_info,
        $base_branch,
        $target_rep_info,
        $target_branch
      );
      
      # Merge
      my $merge_success = $self->app->manager->merge(
        $work_rep_info,
        $target_rep_info,
        $target_branch
      );
      
      
      if ($merge_success) {
        # Push
        app->manager->push($work_rep_info, $base_branch);
        
        app->dbi->model('pull_request')->update(
          {
            open => 0,
            open_user => $session_user_row_id
          },
          where => {row_id => $row_id}
        );
        
        $self->redirect_to("/$base_user_id/$base_project_id/tree/$base_branch");
      }
    }
  }
  
  # Commits
  my $commits = $git->forward_commits($base_rep_info, $base_branch, $target_branch);
  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 = $git->separated_commit($base_rep_info, $base_branch, $target_branch);

  # End commit
  my $end_commit = $git->get_commit($target_rep_info, $target_branch);
  
  # 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 $merge_success;
  if ($api->can_write_access($session_user_id, $base_user_id, $base_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,
      $base_rep_info,
      $base_branch,
      $target_rep_info,
      $target_branch
    );
    
    # Check merge automatical
    $merge_success = $self->app->manager->merge(
      $work_rep_info,
      $target_rep_info,
      $target_branch
    );
  }

  # 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} $base_user_id/$base_project_id";
  
  %= include '/include/header';
  
  <div class="container">
    <div style="font-size:23px;margin-top:20px;margin-bottom:9px;">
      <%
        my $pull_title = $pull_request->{target_branch};
        $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 = $pull_request->{'__open_user.id'};
      <a style="color:#333333;font-weight:bold" href="<%= url_for("/$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;">
          <%= $pull_request->{base_branch} %>
        </span>
        from
        <span style="display:inline-block;padding:2px 4px;background:#e8f0f8;color:#336479;border-radius:3px;">
          % if ($base_user_id ne $target_user_id) {
            <%= $target_user_id %>
            /
          % }
          <%= $pull_request->{target_branch} %>
        </span>
      </span>
    </div>
    % if (!$commits_count) {
      <div class="compare-nothing" style="margin-top:10px">
        <div>
          <b><big>There isn't anything to compare.</big></b>
        </div>
      </div>
    % } else {
      <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->{'__open_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 {
                        <%= $commit->{author_name} %>
                      % }
                    </span>
                  </div>
                  <div class="compare-commits-commit-title">
                    <a style="color:#333" href="<%= url_for("/$base_user_id/$base_project_id/commit/$commit->{id}") %>">
                      <%= $commit->{title_short} %>
                    </a>
                  </div>
                  <div class="compare-commits-commit-id">
                    <a href="<%= url_for("/$base_user_id/$base_project_id/commit/$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, $base_user_id, $base_project_id)) {
        % if ($commits_count && $merge_success && $pull_request->{open}) {
          <div class="pull-request-form">
            <div>
              <div style="overflow:hidden">
                <div style="float:left;padding:10px;padding-right:0">
                  <div style="width:30px;height:30px;text-align:center;border-radius:15px;background:#95c97e;color:white;padding-top:5px;"><%= "\x{2714}" %></div>
                </div>
                <div style="float:left">
                  <div class="pull-request-form-title">
                    <div>
                      <b>This branch has no conflicts with the base branch</b>
                    </div>
                    <div>
                      <span style="color:#767676">Merging can be performed automatically.</span>
                    </div>
                  </div>
                </div>
              </div>
              <div class="pull-request-form-button">
                <form action="<%= url_for %>" method="post">
                  <%= hidden_field op => 'merge' %>
                  <%= submit_button 'Merge pull request', class => "btn btn-success" %>
                  <span style="margin-left:5px">
                    You can also view <a href="javascript:void(0)" onclick="$('#command-line-instructions').toggle()" >command line instructions</a>.
                  </span>
                </form>
                
                <div id="command-line-instructions">
                  <div style="margin-top:15px;border-top:1px solid #d8d8d8;">
                  <div style="font-size:18px;padding:10px 0">
                    Merging via command line
                  </div>

                  <div>
                    If you do not want to use the merge button or an automatic merge cannot be performed, you can perform a manual merge on the command line.
                  </div>
                  <div style="margin-top:10px">
                    <button>HTTPS</button> <button>Git</button> <button>Patch</button>
                    <%= text_field clone_url => "https://github.com/kaloyan13/gitprep.git" %>
                  </div>

                  <div style="margin-top:15px;margin-bottom:5px;">
                    <b>Step 1:</b> From your project repository, check out a new branch and test the changes.
                  </div>

<pre style="background:#f2f2f2; padding:10px; border-radius:3px">
git checkout -b kaloyan13-master master
git pull https://github.com/kaloyan13/gitprep.git master
</pre>

                  <div style="margin-top:15px;margin-bottom:5px;">
                    <b>Step 2:</b> Merge the changes and update on GitPrep.
                  </div>

<pre style="background:#f2f2f2; padding:10px; border-radius:3px">
git checkout master
git merge --no-ff kaloyan13-master
git push origin master
</pre>
                </div>
              </div>
            </div>
          </div>
        % }
        
        % 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';