module ApplicationHelper
  include ActionView::Helpers::AssetTagHelper
  include ActionView::Helpers::UrlHelper

  def module_page?
    controller_name == 'my_modules'
  end

  def experiment_page?
    controller_name == 'experiments'
  end

  def project_page?
    controller_name == 'projects' ||
      (controller_name == 'reports' && action_name == 'index')
  end

  def display_tooltip(message, len = Constants::NAME_TRUNCATION_LENGTH)
    if message.strip.length > Constants::NAME_TRUNCATION_LENGTH
      sanitize_input("<div class='modal-tooltip'> \
      #{truncate(message.strip, length: len)} \
      <span class='modal-tooltiptext'> \
      #{message.strip}</span></div>")
    else
      truncate(message.strip, length: len)
    end
  end

  def sample_types_page_project?
    controller_name == 'sample_types' &&
      @my_module.nil? &&
      @experiment.nil?
  end

  def sample_groups_page_project?
    controller_name == 'sample_groups' &&
      @my_module.nil? &&
      @experiment.nil?
  end

  def sample_types_page_my_module?
    controller_name == 'sample_types' && !@my_module.nil?
  end

  def sample_groups_page_my_module?
    controller_name == 'sample_groups' && !@my_module.nil?
  end

  def sample_groups_page_experiment?
    controller_name == 'sample_groups' &&
      @my_module.nil? &&
      !@experiment.nil?
  end

  def sample_types_page_expermient?
    controller_name == 'sample_types' &&
      @my_module.nil? &&
      !@experiment.nil?
  end

  def smart_annotation_parser(text, team = nil)
    new_text = smart_annotation_filter_resources(text)
    new_text = smart_annotation_filter_users(new_text, team)
    new_text
  end

  # Check if text have smart annotations of resources
  # and outputs a link to resource
  def smart_annotation_filter_resources(text)
    sa_reg = /\[\#(.*?)~(prj|exp|tsk|sam)~([0-9a-zA-Z]+)\]/
    new_text = text.gsub(sa_reg) do |el|
      match = el.match(sa_reg)
      case match[2]
      when 'prj'
        project = Project.find_by_id(match[3].base62_decode)
        next unless project
        if project.archived?
          "<span class='sa-type'>#{sanitize(match[2])}</span> " \
          "#{link_to project.name,
                     projects_archive_path} #{I18n.t('atwho.res.archived')}"
        else
          "<span class='sa-type'>#{sanitize(match[2])}</span> " \
          "#{link_to project.name,
                     project_path(project)}"
        end
      when 'exp'
        experiment = Experiment.find_by_id(match[3].base62_decode)
        next unless experiment
        if experiment.archived?
          "<span class='sa-type'>#{sanitize(match[2])}</span> " \
          "#{link_to experiment.name,
                     experiment_archive_project_path(experiment.project)} " \
          "#{I18n.t('atwho.res.archived')}"
        else
          "<span class='sa-type'>#{sanitize(match[2])}</span> " \
          "#{link_to experiment.name,
                     canvas_experiment_path(experiment)}"
        end
      when 'tsk'
        my_module = MyModule.find_by_id(match[3].base62_decode)
        next unless my_module
        if my_module.archived?
          "<span class='sa-type'>#{sanitize(match[2])}</span> " \
          "#{link_to my_module.name,
                     module_archive_experiment_path(my_module.experiment)} " \
          "#{I18n.t('atwho.res.archived')}"
        else
          "<span class='sa-type'>#{sanitize(match[2])}</span> " \
          "#{link_to my_module.name,
                     protocols_my_module_path(my_module)}"
        end
      when 'sam'
        sample = Sample.find_by_id(match[3].base62_decode)
        if sample
          "<span class='glyphicon glyphicon-tint'></span> " \
          "#{link_to(sample.name,
                     sample_path(sample.id),
                     class: 'sample-info-link')}"
        else
          "<span class='glyphicon glyphicon-tint'></span> " \
          "#{match[1]} #{I18n.t('atwho.res.deleted')}"
        end
      end
    end
    new_text
  end

  # Check if text have smart annotations of users
  # and outputs a popover with user information
  def smart_annotation_filter_users(text, team)
    sa_user = /\[\@(.*?)~([0-9a-zA-Z]+)\]/
    new_text = text.gsub(sa_user) do |el|
      match = el.match(sa_user)
      user = User.find_by_id(match[2].base62_decode)
      team ||= current_team

      if user &&
         team &&
         UserTeam.user_in_team(user, team).any?
        user_t, = user
                  .user_teams
                  .where('user_teams.team_id = ?', team)
                  .first

        user_description = %(<div class='col-xs-4'>
         <img src='#{avatar_path(user, :thumb)}' alt='thumb'>
         </div><div class='col-xs-8'>
         <div class='row'><div class='col-xs-9 text-left'><h5>
         #{user.full_name}</h5></div><div class='col-xs-3 text-right'>
         <span class='glyphicon glyphicon-remove' aria-hidden='true'></span>
         </div></div><div class='row'><div class='col-xs-12'>
        <p class='silver'>#{user.email}</p><p>
        #{I18n.t('atwho.popover_html',
                 role: user_t.role.capitalize,
                 team: user_t.team.name,
                 time: user_t.created_at.strftime('%B %Y'))}
        </p></div></div></div>)

        raw(image_tag(avatar_path(user, :icon_small),
                      class: 'atwho-user-img-popover')) +
          raw('<a onClick="$(this).popover(\'show\')" ' \
          'class="atwho-user-popover" data-container="body" ' \
          'data-html="true" tabindex="0" data-trigger="focus" ' \
          'data-placement="top" data-toggle="popover" data-content="') +
          raw(user_description) + raw('" >') + user.full_name + raw('</a>')
      end
    end
    new_text
  end
end