module Explore
  
  # -----------------------------------------------------------------------------
  get '/explore' do
    reset_crumbs!
    @root = options.connection.build_tree
    erb :'explore/explore'
  end

  # -----------------------------------------------------------------------------
  get '/explore/back' do  
    session[:selected_cols] = nil
    session[:query_params]  = nil
 
    back_paths!
    path_ids   = session[:path_ids]
    path_names = session[:path_names]
    
    reset_crumbs!
    crumbs_from_path( path_ids, path_names )
    
    @root = options.connection.build_partial_tree( path_ids, path_names )
    
    # need to adjust crumbs in case something got blown...
    @center = path_ids.split( "|" ).last
     
    erb :'explore/explore'
  end
  
  # -----------------------------------------------------------------------------
  get '/explore/show/:path_ids/:path_names' do
    path_ids   = params[:path_ids]
    path_names = params[:path_names]
    
    @info = options.connection.show( path_names )
        
    session[:path_ids]   = path_ids
    session[:path_names] = path_names
    
    partial :'explore/info'
  end
  
  # -----------------------------------------------------------------------------
  get '/explore/more_data/:path_ids/:path_names/*' do
    path_ids   = params[:path_ids]
    path_names = params[:path_names]

    session[:path_ids]   = path_ids
    session[:path_names] = path_names
    
    crumbs_from_path( path_ids, path_names )    
    
    @sub_tree = options.connection.build_sub_tree( path_ids, path_names )
    @node_id  = @sub_tree.first[:id]
    
    erb :'explore/more_data_js', :layout => false
  end

  # -----------------------------------------------------------------------------
  get '/explore/update_crumb/:path/:crumbs' do
    crumbs_from_path( params[:path], params[:crumbs] )
    erb :'explore/update_crumb_js', :layout => false
  end
  
  # -----------------------------------------------------------------------------  
  get '/explore/center/:node_id' do
    @node_id = params[:node_id]        
    pop_crumb!( @node_id )    
    erb :'explore/center_js', :layout => false
  end
      
end