class BrowseController < ApplicationController
  layout :map_layout

  before_action :authorize_web
  before_action :set_locale
  before_action -> { check_database_readable(:need_api => true) }
  before_action :require_oauth
  before_action :update_totp, :only => [:query]
  before_action :require_moderator_for_unredacted_history, :only => [:relation_history, :way_history, :node_history]
  around_action :web_timeout
  authorize_resource :class => false

  def relation
    @type = "relation"
    @feature = Relation.preload(:relation_tags, :containing_relation_members, :changeset => [:changeset_tags, :user], :relation_members => :member).find(params[:id])
    render "feature"
  rescue ActiveRecord::RecordNotFound
    render :action => "not_found", :status => :not_found
  end

  def relation_history
    @type = "relation"
    @feature = Relation.preload(:relation_tags, :old_relations => [:old_tags, { :changeset => [:changeset_tags, :user], :old_members => :member }]).find(params[:id])
    render "history"
  rescue ActiveRecord::RecordNotFound
    render :action => "not_found", :status => :not_found
  end

  def way
    @type = "way"
    @feature = Way.preload(:way_tags, :containing_relation_members, :changeset => [:changeset_tags, :user], :nodes => [:node_tags, { :ways => :way_tags }]).find(params[:id])
    render "feature"
  rescue ActiveRecord::RecordNotFound
    render :action => "not_found", :status => :not_found
  end

  def way_history
    @type = "way"
    @feature = Way.preload(:way_tags, :old_ways => [:old_tags, { :changeset => [:changeset_tags, :user], :old_nodes => { :node => [:node_tags, :ways] } }]).find(params[:id])
    render "history"
  rescue ActiveRecord::RecordNotFound
    render :action => "not_found", :status => :not_found
  end

  def node
    @type = "node"
    @feature = Node.preload(:node_tags, :containing_relation_members, :changeset => [:changeset_tags, :user], :ways => :way_tags).find(params[:id])
    render "feature"
  rescue ActiveRecord::RecordNotFound
    render :action => "not_found", :status => :not_found
  end

  def node_history
    @type = "node"
    @feature = Node.preload(:node_tags, :old_nodes => [:old_tags, { :changeset => [:changeset_tags, :user] }]).find(params[:id])
    render "history"
  rescue ActiveRecord::RecordNotFound
    render :action => "not_found", :status => :not_found
  end

  def query; end

  private

  def require_moderator_for_unredacted_history
    deny_access(nil) if params[:show_redactions] && !current_user&.moderator?
  end
end