module ProjectsHelper
  def remove_from_project_team_message(project, member)
    if member.user
      "You are going to remove #{member.user.name} from #{project.name} project team. Are you sure?"
    else
      "You are going to revoke the invitation for #{member.invite_email} to join #{project.name} project team. Are you sure?"
    end
  end

  def link_to_project(project)
    link_to [project.namespace.becomes(Namespace), project] do
      title = content_tag(:span, project.name, class: 'project-name')

      if project.namespace
        namespace = content_tag(:span, "#{project.namespace.human_name} / ", class: 'namespace-name')
        title = namespace + title
      end

      title
    end
  end

  def link_to_member(project, author, opts = {})
    default_opts = { avatar: true, name: true, size: 16 }
    opts = default_opts.merge(opts)

    return "(deleted)" unless author

    author_html =  ""

    # Build avatar image tag
    author_html << image_tag(avatar_icon(author.try(:email), opts[:size]), width: opts[:size], class: "avatar avatar-inline #{"s#{opts[:size]}" if opts[:size]}", alt:'') if opts[:avatar]

    # Build name span tag
    author_html << content_tag(:span, sanitize(author.name), class: 'author') if opts[:name]

    author_html = author_html.html_safe

    if opts[:name]
      link_to(author_html, user_path(author), class: "author_link").html_safe
    else
      link_to(author_html, user_path(author), class: "author_link has_tooltip", data: { :'original-title' => sanitize(author.name) } ).html_safe
    end
  end

  def project_title(project)
    if project.group
      content_tag :span do
        link_to(
          simple_sanitize(project.group.name), group_path(project.group)
        ) + ' / ' +
          link_to(simple_sanitize(project.name),
                  project_path(project))
      end
    else
      owner = project.namespace.owner
      content_tag :span do
        link_to(
          simple_sanitize(owner.name), user_path(owner)
        ) + ' / ' +
          link_to(simple_sanitize(project.name),
                  project_path(project))
      end
    end
  end

  def remove_project_message(project)
    "You are going to remove #{project.name_with_namespace}.\n Removed project CANNOT be restored!\n Are you ABSOLUTELY sure?"
  end

  def transfer_project_message(project)
    "You are going to transfer #{project.name_with_namespace} to another owner. Are you ABSOLUTELY sure?"
  end

  def project_nav_tabs
    @nav_tabs ||= get_project_nav_tabs(@project, current_user)
  end

  def project_nav_tab?(name)
    project_nav_tabs.include? name
  end

  def project_active_milestones
    @project.milestones.active.order("due_date, title ASC")
  end

  def link_to_toggle_star(title, starred)
    cls = 'star-btn btn btn-sm btn-default'

    toggle_text =
      if starred
        ' Unstar'
      else
        ' Star'
      end

    toggle_html = content_tag('span', class: 'toggle') do
      icon('star') + toggle_text
    end

    count_html = content_tag('span', class: 'count') do
      @project.star_count.to_s
    end

    link_opts = {
      title: title,
      class: cls,
      method: :post,
      remote: true,
      data: { type: 'json' }
    }

    path = toggle_star_namespace_project_path(@project.namespace, @project)

    content_tag 'span', class: starred ? 'turn-on' : 'turn-off' do
      link_to(path, link_opts) do
        toggle_html + ' ' + count_html
      end
    end
  end

  def link_to_toggle_fork
    html = content_tag('span') do
      icon('code-fork') + ' Fork'
    end

    count_html = content_tag(:span, class: 'count') do
      @project.forks_count.to_s
    end

    html + count_html
  end

  def project_for_deploy_key(deploy_key)
    if deploy_key.projects.include?(@project)
      @project
    else
      deploy_key.projects.find { |project| can?(current_user, :read_project, project) }
    end
  end

  private

  def get_project_nav_tabs(project, current_user)
    nav_tabs = [:home]

    if !project.empty_repo? && can?(current_user, :download_code, project)
      nav_tabs << [:files, :commits, :network, :graphs]
    end

    if project.repo_exists? && project.merge_requests_enabled
      nav_tabs << :merge_requests
    end

    if can?(current_user, :admin_project, project)
      nav_tabs << :settings
    end

    [:issues, :wiki, :snippets].each do |feature|
      nav_tabs << feature if project.send :"#{feature}_enabled"
    end

    if project.issues_enabled || project.merge_requests_enabled
      nav_tabs << [:milestones, :labels]
    end

    nav_tabs.flatten
  end

  def git_user_name
    if current_user
      current_user.name
    else
      "Your name"
    end
  end

  def git_user_email
    if current_user
      current_user.email
    else
      "your@email.com"
    end
  end

  def repository_size(project = nil)
    "#{(project || @project).repository_size} MB"
  rescue
    # In order to prevent 500 error
    # when application cannot allocate memory
    # to calculate repo size - just show 'Unknown'
    'unknown'
  end

  def project_head_title
    title = @project.name_with_namespace

    title = if current_controller?(:tree)
              "#{@project.path}\/#{@path} at #{@ref} - " + title
            elsif current_controller?(:issues)
              if current_action?(:show)
                "Issue ##{@issue.iid} - #{@issue.title} - " + title
              else
                "Issues - " + title
              end
            elsif current_controller?(:blob)
              if current_action?(:new) || current_action?(:create)
                "New file at #{@ref}"
              elsif current_action?(:show)
                "#{@blob.path} at #{@ref}"
              elsif @blob
                "Edit file #{@blob.path} at #{@ref}"
              end
            elsif current_controller?(:commits)
              "Commits at #{@ref} - " + title
            elsif current_controller?(:merge_requests)
              if current_action?(:show)
                "Merge request ##{@merge_request.iid} - " + title
              else
                "Merge requests - " + title
              end
            elsif current_controller?(:wikis)
              "Wiki - " + title
            elsif current_controller?(:network)
              "Network graph - " + title
            elsif current_controller?(:graphs)
              "Graphs - " + title
            else
              title
            end

    title
  end

  def default_url_to_repo(project = nil)
    project = project || @project
    current_user ? project.url_to_repo : project.http_url_to_repo
  end

  def default_clone_protocol
    current_user ? "ssh" : "http"
  end

  def project_last_activity(project)
    if project.last_activity_at
      time_ago_with_tooltip(project.last_activity_at, 'bottom', 'last_activity_time_ago')
    else
      "Never"
    end
  end

  def contribution_guide_url(project)
    if project && contribution_guide = project.repository.contribution_guide
      namespace_project_blob_path(
        project.namespace,
        project,
        tree_join(project.default_branch,
                  contribution_guide.name)
      )
    end
  end

  def changelog_url(project)
    if project && changelog = project.repository.changelog
      namespace_project_blob_path(
        project.namespace,
        project,
        tree_join(project.default_branch,
                  changelog.name)
      )
    end
  end

  def license_url(project)
    if project && license = project.repository.license
      namespace_project_blob_path(
        project.namespace,
        project,
        tree_join(project.default_branch,
                  license.name)
      )
    end
  end

  def version_url(project)
    if project && version = project.repository.version
      namespace_project_blob_path(
        project.namespace,
        project,
        tree_join(project.default_branch,
                  version.name)
      )
    end
  end

  def hidden_pass_url(original_url)
    result = URI(original_url)
    result.password = '*****' unless result.password.nil?
    result
  rescue
    original_url
  end

  def project_wiki_path_with_version(proj, page, version, is_newest)
    url_params = is_newest ? {} : { version_id: version }
    namespace_project_wiki_path(proj.namespace, proj, page, url_params)
  end

  def project_status_css_class(status)
    case status
    when "started"
      "active"
    when "failed"
      "danger"
    when "finished"
      "success"
    end
  end

  def service_field_value(type, value)
    return value unless type == 'password'

    if value.present?
      "***********"
    else
      nil
    end
  end
end
