# frozen_string_literal: true

module SidebarsHelper
  include MergeRequestsHelper
  include Nav::NewDropdownHelper

  USER_BAR_COUNT_LIMIT = 99

  def sidebar_tracking_attributes_by_object(object)
    sidebar_attributes_for_object(object).fetch(:tracking_attrs, {})
  end

  def sidebar_qa_selector(object)
    sidebar_attributes_for_object(object).fetch(:sidebar_qa_selector, nil)
  end

  def scope_qa_menu_item(object)
    sidebar_attributes_for_object(object).fetch(:scope_qa_menu_item, nil)
  end

  def scope_avatar_classes(object)
    %w[avatar-container rect-avatar s32].tap do |klasses|
      klass = sidebar_attributes_for_object(object).fetch(:scope_avatar_class, nil)
      klasses << klass if klass
    end
  end

  def project_sidebar_context(project, user, current_ref, ref_type: nil, **args)
    context_data = project_sidebar_context_data(project, user, current_ref, ref_type: ref_type)
    Sidebars::Projects::Context.new(**context_data, **args)
  end

  def group_sidebar_context(group, user, **args)
    context_data = group_sidebar_context_data(group, user)

    Sidebars::Groups::Context.new(**context_data, **args)
  end

  def your_work_sidebar_context(user, **args)
    context_data = your_work_context_data(user)

    Sidebars::Context.new(**context_data, **args)
  end

  def super_sidebar_context(user, group:, project:, panel:, panel_type:) # rubocop:disable Metrics/AbcSize
    {
      current_menu_items: panel.super_sidebar_menu_items,
      current_context_header: panel.super_sidebar_context_header,
      name: user.name,
      username: user.username,
      avatar_url: user.avatar_url,
      has_link_to_profile: current_user_menu?(:profile),
      link_to_profile: user_url(user),
      logo_url: current_appearance&.header_logo_path,
      status: user_status_menu_data(user),
      trial: {
        has_start_trial: current_user_menu?(:start_trial),
        url: trials_link_url
      },
      settings: {
        has_settings: current_user_menu?(:settings),
        profile_path: profile_path,
        profile_preferences_path: profile_preferences_path
      },
      can_sign_out: current_user_menu?(:sign_out),
      sign_out_link: destroy_user_session_path,
      assigned_open_issues_count: format_user_bar_count(user.assigned_open_issues_count),
      todos_pending_count: user.todos_pending_count,
      issues_dashboard_path: issues_dashboard_path(assignee_username: user.username),
      total_merge_requests_count: format_user_bar_count(user_merge_requests_counts[:total]),
      create_new_menu_groups: create_new_menu_groups(group: group, project: project),
      merge_request_menu: create_merge_request_menu(user),
      projects_path: dashboard_projects_path,
      groups_path: dashboard_groups_path,
      support_path: support_url,
      display_whats_new: display_whats_new?,
      whats_new_most_recent_release_items_count: whats_new_most_recent_release_items_count,
      whats_new_version_digest: whats_new_version_digest,
      show_version_check: show_version_check?,
      gitlab_version: Gitlab.version_info,
      gitlab_version_check: gitlab_version_check,
      gitlab_com_but_not_canary: Gitlab.com_but_not_canary?,
      gitlab_com_and_canary: Gitlab.com_and_canary?,
      canary_toggle_com_url: Gitlab::Saas.canary_toggle_com_url,
      current_context: super_sidebar_current_context(project: project, group: group),
      context_switcher_links: context_switcher_links,
      search: search_data,
      pinned_items: user.pinned_nav_items[panel_type] || [],
      panel_type: panel_type,
      update_pins_url: pins_url,
      is_impersonating: impersonating?,
      stop_impersonation_path: admin_impersonation_path,
      shortcut_links: shortcut_links
    }
  end

  def super_sidebar_nav_panel(
    nav: nil, project: nil, user: nil, group: nil, current_ref: nil, ref_type: nil,
    viewed_user: nil)
    context_adds = { route_is_active: method(:active_nav_link?), is_super_sidebar: true }
    case nav
    when 'project'
      context = project_sidebar_context(project, user, current_ref, ref_type: ref_type, **context_adds)
      Sidebars::Projects::SuperSidebarPanel.new(context)
    when 'group'
      context = group_sidebar_context(group, user, **context_adds)
      Sidebars::Groups::SuperSidebarPanel.new(context)
    when 'profile'
      context = Sidebars::Context.new(current_user: user, container: user, **context_adds)
      Sidebars::UserSettings::Panel.new(context)
    when 'user_profile'
      context = Sidebars::Context.new(current_user: user, container: viewed_user, **context_adds)
      Sidebars::UserProfile::Panel.new(context)
    when 'explore'
      Sidebars::Explore::Panel.new(Sidebars::Context.new(current_user: user, container: nil, **context_adds))
    when 'search'
      context = Sidebars::Context.new(current_user: user, container: nil, **context_adds)
      Sidebars::Search::Panel.new(context)
    when 'admin'
      Sidebars::Admin::Panel.new(Sidebars::Context.new(current_user: user, container: nil, **context_adds))
    else
      context = your_work_sidebar_context(user, **context_adds)
      Sidebars::YourWork::Panel.new(context)
    end
  end

  private

  def search_data
    {
      search_path: search_path,
      issues_path: issues_dashboard_path,
      mr_path: merge_requests_dashboard_path,
      autocomplete_path: search_autocomplete_path,
      search_context: header_search_context
    }
  end

  def user_status_menu_data(user)
    {
      can_update: can?(user, :update_user_status, user),
      busy: user.status&.busy?,
      customized: user.status&.customized?,
      availability: user.status&.availability.to_s,
      emoji: user.status&.emoji,
      message: user.status&.message_html&.html_safe,
      clear_after: user_clear_status_at(user)
    }
  end

  def create_new_menu_groups(group:, project:)
    new_dropdown_sections = new_dropdown_view_model(group: group, project: project)[:menu_sections]
    show_headers = new_dropdown_sections.length > 1
    new_dropdown_sections.map do |section|
      {
        name: show_headers ? section[:title] : '',
        items: section[:menu_items].map do |item|
          {
            text: item[:title],
            href: item[:href],
            extraAttrs: {
              'data-track-label': item[:id],
              'data-track-action': 'click_link',
              'data-track-property': 'nav_create_menu',
              'data-qa-selector': 'create_menu_item',
              'data-qa-create-menu-item': item[:id]
            }
          }
        end
      }
    end
  end

  def create_merge_request_menu(user)
    [
      {
        name: _('Merge requests'),
        items: [
          {
            text: _('Assigned'),
            href: merge_requests_dashboard_path(assignee_username: user.username),
            count: user_merge_requests_counts[:assigned],
            extraAttrs: {
              'data-track-action': 'click_link',
              'data-track-label': 'merge_requests_assigned',
              'data-track-property': 'nav_core_menu',
              class: 'dashboard-shortcuts-merge_requests'
            }
          },
          {
            text: _('Review requests'),
            href: merge_requests_dashboard_path(reviewer_username: user.username),
            count: user_merge_requests_counts[:review_requested],
            extraAttrs: {
              'data-track-action': 'click_link',
              'data-track-label': 'merge_requests_to_review',
              'data-track-property': 'nav_core_menu',
              class: 'dashboard-shortcuts-review_requests'
            }
          }
        ]
      }
    ]
  end

  def sidebar_attributes_for_object(object)
    case object
    when Project
      sidebar_project_attributes
    when Group
      sidebar_group_attributes
    when User
      sidebar_user_attributes
    else
      {}
    end
  end

  def sidebar_project_attributes
    {
      tracking_attrs: sidebar_project_tracking_attrs,
      sidebar_qa_selector: 'project_sidebar',
      scope_qa_menu_item: 'Project scope',
      scope_avatar_class: 'project_avatar'
    }
  end

  def sidebar_group_attributes
    {
      tracking_attrs: sidebar_group_tracking_attrs,
      sidebar_qa_selector: 'group_sidebar',
      scope_qa_menu_item: 'Group scope',
      scope_avatar_class: 'group_avatar'
    }
  end

  def sidebar_user_attributes
    {
      tracking_attrs: sidebar_user_profile_tracking_attrs
    }
  end

  def sidebar_project_tracking_attrs
    tracking_attrs('projects_side_navigation', 'render', 'projects_side_navigation')
  end

  def sidebar_group_tracking_attrs
    tracking_attrs('groups_side_navigation', 'render', 'groups_side_navigation')
  end

  def sidebar_user_profile_tracking_attrs
    tracking_attrs('user_side_navigation', 'render', 'user_side_navigation')
  end

  def project_sidebar_context_data(project, user, current_ref, ref_type: nil)
    {
      current_user: user,
      container: project,
      current_ref: current_ref,
      ref_type: ref_type,
      jira_issues_integration: project_jira_issues_integration?,
      can_view_pipeline_editor: can_view_pipeline_editor?(project),
      show_cluster_hint: show_gke_cluster_integration_callout?(project)
    }
  end

  def group_sidebar_context_data(group, user)
    {
      current_user: user,
      container: group
    }
  end

  def your_work_context_data(user)
    {
      current_user: user,
      container: user,
      show_security_dashboard: false
    }
  end

  def super_sidebar_current_context(project: nil, group: nil)
    if project&.persisted?
      return {
        namespace: 'projects',
        item: {
          id: project.id,
          name: project.name,
          namespace: project.full_name,
          webUrl: project_path(project),
          avatarUrl: project.avatar_url
        }
      }
    end

    if group&.persisted?
      return {
        namespace: 'groups',
        item: {
          id: group.id,
          name: group.name,
          namespace: group.full_name,
          webUrl: group_path(group),
          avatarUrl: group.avatar_url
        }
      }
    end

    {}
  end

  def context_switcher_links
    links = [
      # We should probably not return "You work" when used is not logged-in
      { title: s_('Navigation|Your work'), link: root_path, icon: 'work' },
      { title: s_('Navigation|Explore'), link: explore_root_path, icon: 'compass' }
    ]

    if current_user&.can_admin_all_resources?
      links.append(
        { title: s_('Navigation|Admin'), link: admin_root_path, icon: 'admin' }
      )
    end

    links
  end

  # Formats the counts to be shown in the super sidebar's top section (issues, MRs and todos).
  # We want to avoid printing huge numbers there, so when the count exceeds USER_BAR_COUNT_LIMIT,
  # we cap it to USER_BAR_COUNT_LIMIT and append a "+" to it.
  def format_user_bar_count(count)
    if count > USER_BAR_COUNT_LIMIT
      "#{USER_BAR_COUNT_LIMIT}+"
    else
      count.to_s
    end
  end

  def impersonating?
    !!session[:impersonator_id]
  end

  def shortcut_links
    [
      {
        title: _('Milestones'),
        href: dashboard_milestones_path,
        css_class: 'dashboard-shortcuts-milestones'
      },
      {
        title: _('Snippets'),
        href: dashboard_snippets_path,
        css_class: 'dashboard-shortcuts-snippets'
      },
      {
        title: _('Activity'),
        href: activity_dashboard_path,
        css_class: 'dashboard-shortcuts-activity'
      }
    ]
  end
end

SidebarsHelper.prepend_mod_with('SidebarsHelper')