<%

  my $api = gitprep_api;

  my $user = param('user');

  my $project = param('project');

  my $remote_user = param('remote_user');

  my $remote_project = param('remote_project');

  my $remote_branch = param('remote-branch');

  # Authentication

  unless ($api->logined($user)) {

    $self->redirect_to('/');

    return;

  }

  # Branches

  my $git = app->git;

  my $remote_branches = $git->branches($self->app->rep_info($remote_user, $remote_project));

  my $remote_branch_names = [map { $_->{name} } @$remote_branches];

  my $op = param('op') || '';

  my $errors;

  if ($op eq 'import' && lc $self->req->method eq 'post') {

    # Parameters

    my $user = param('user');

    my $project = param('project');

    my $branch = param('branch');

    my $remote_user = param('remote_user');

    my $remote_project = param('remote_project');

    my $remote_branch = param('remote-branch');

    my $force = param('force');

    # Validator

    my $vc = app->vc;

    # Validation result

    my $validation = $vc->validation;

    # "user"

    if (!$vc->check($user, 'user_name')) {

      $validation->add_failed('User name is invalid.');

    }

    # "project"

    if (!$vc->check($project, 'project_name')) {

      $validation->add_failed('Repository name is invalid.');

    }

    # "branch"

    if (!(defined $branch && length $branch)) {

      $validation->add_failed('Branch name is empty.');

    }

    # "remote_user"

    if (!$vc->check($remote_user, 'user_name')) {

      $validation->add_failed('Remote User name is invalid.');

    }

    # "remote_project"

    if (!$vc->check($remote_project, 'project_name')) {

      $validation->add_failed('Remote repository is invalid.');

    }

    # "remote-branch"

    if (!(defined $remote_branch && length $remote_branch)) {

      $validation->add_failed('Remote branch name is empty.');

    }

    # "force"

    $force = $force ? 1 : 0;

    if ($validation->is_valid) {

      # Check branch name

      my $branches = $git->branches($self->app->rep_info($user, $project));

      if (!$force && grep { $branch eq $_->{name} } @$branches) {

        $errors = ["Branch \"$branch\" is already exists. If you want to import this branch, check force option."];

      }

      else {

        eval {

          $git->import_branch(

            app->rep_info($user, $project),

            $branch,

            app->rep_info($remote_user, $remote_project),

            $remote_branch,

            {force => $force}

          );

        };

        if (my $e = $@) {

          $errors = ['Internal Error'];

          app->log->error(url_for . ": $e");

        }

        else {

          flash(message => "Success: " . ($force ? 'force ' : '') . "import \"$remote_user / $remote_project / $remote_branch\" into \"$user / $project / $branch\"");

          $self->redirect_to('current');

          return;

        }

      }

    }

    else {

      $errors = $validation->messages;

    }

  }

  layout 'common', title => "Import branch";

%>

  %= include 'include/header';

  %= javascript begin

    $('document').ready(function () {

      // Select remote branch

      $('[name=copy-branch-name]').on('click', function () {

        $('[name=branch]').val($('[name=remote-branch]').val());

        return false;

      });

    });

  % end

  <div class="container">

    % if (my $message = flash('message')) {

      <div class="alert alert-success">

        <button type="button" class="close" data-dismiss="alert">&times;</button>

        <%= $message %>

      </div>

    % }

    % if ($errors) {

      <div class="alert alert-error">

        <button type="button" class="close" data-dismiss="alert">&times;</button>

        % for my $error (@$errors) {

          <p><%= $error %></p>

        % }

      </div>

    % }

    <h3 class="topic1">Import branch</h3>

    <form action="<%= url_for("/$user/$project/import-branch/$remote_user/$remote_project")->query(op => 'import') %>" method="post">

      <div class="import-branch">

        <div class="left">

          <div class="import-branch-to">

            <div>

              %= "$user / $project";

            </div>

            <div>

              %= text_field 'branch', placeholder => "Branch name", style => "width:250px";

              <button name="copy-branch-name", class="btn" style="font-size:12px; padding-left:3px;padding-right:3px;color:#666">Copy Branch Name</button>

            </div>

            <div class="import-branch-button-panel">

              <div>

                %= submit_button 'Import', class => "btn btn-info";

              </div>

              <div>

                <%= check_box force => 1 %> 

              </div>

              <div>

                Force

              </div>

            </div>

          </div>

        </div>

        <div class="center">

          ⇐

        </div>

        <div class="right">

          <div  class="import-branch-from">

            <div>

              %= "$remote_user / $remote_project";

            </div>

            <div>

              % param('remote-branch' => $remote_branch);

              %= select_field 'remote-branch' => $remote_branch_names, style => "width:250px";

            </div>

          </div>

        </div>

      </div>

    </form>

  </div>

  %= include '/include/footer';