module IssuesHelper
  def project_issues_filter_path project, params = {}
    params[:f] ||= cookies['issue_filter']
    project_issues_path project, params
  end

  def link_to_issue_assignee(issue)
    project = issue.project

    tm = project.team_member_by_id(issue.assignee_id)
    if tm
      link_to issue.assignee_name, project_team_member_path(project, tm), class: "author_link"
    else
      issue.assignee_name
    end
  end

  def link_to_issue_author(issue)
    project = issue.project

    tm = project.team_member_by_id(issue.author_id)
    if tm
      link_to issue.author_name, project_team_member_path(project, tm), class: "author_link"
    else
      issue.author_name
    end
  end

  def issue_css_classes issue
    classes = "issue"
    classes << " closed" if issue.closed
    classes << " today" if issue.today?
    classes
  end

  def issue_tags
    @project.issues.tag_counts_on(:labels).map(&:name)
  end

  # Returns an OpenStruct object suitable for use by <tt>options_from_collection_for_select</tt>
  # to allow filtering issues by an unassigned User or Milestone
  def unassigned_filter
    # Milestone uses :title, Issue uses :name
    OpenStruct.new(id: 0, title: 'Unspecified', name: 'Unassigned')
  end

  def issues_filter
    {
      all: "all",
      closed: "closed",
      to_me: "assigned-to-me",
      open: "open"
    }
  end
end