module MaglevDatabaseExplorer
  class CodeController < ApplicationController
    def index
          
    end

    def selectors
      id = Integer(params[:id])
      obj = ObjectSpace._id2ref(id)
  
      if obj == nil and id != 20
        render :json => {:success => false, :exception => "object with id #{id} not found"}
      else
        render :json => {:success => true, :result => obj.__selectors_by_category}
      end
    end
  
    def code
      id = Integer(params[:id])
      obj = ObjectSpace._id2ref(id)
  
      if obj == nil and id != 20
        render :json => {:success => false, :exception => "object with id #{id} not found"}
      else
        render :json => {:success => true, :result => obj.__source_for_selector(params[:selector], params[:language].to_sym)}
      end
    end
  
    def frame
      id = Integer(params[:id])
      index = Integer(params[:index])
      obj = ObjectSpace._id2ref(id)
  
      if obj == nil and id != 20
        render :json => {:success => false, :exception => "object with id #{id} not found"}
      else
        render :json => {:success => true, :result => obj.__stack_frame(index)}
      end
    end
  
    def frames
      id = Integer(params[:id])
      obj = ObjectSpace._id2ref(id)
  
      if obj == nil and id != 20
        render :json => {:success => false, :exception => "object with id #{id} not found"}
      else
        render :json => {:success => true, :result => obj.__stack_method_names}
      end
    end
  
    def stepInto
      id = Integer(params[:id])
      obj = ObjectSpace._id2ref(id)
  
      if obj == nil and id != 20
        render :json => {:success => false, :exception => "object with id #{id} not found"}
      else
        render :json => {:success => true, :result => obj.__step_into.to_database_view(1, {}, {})}
      end
    end
  
    def proceed
      id = Integer(params[:id])
      obj = ObjectSpace._id2ref(id)
  
      if obj == nil and id != 20
        render :json => {:success => false, :exception => "object with id #{id} not found"}
      else
        result = obj.run
        sleep 0.1 until (obj.stop? and obj[:manual_stop]) or obj[:is_rails_thread]
        render :json => {:success => true, :result => result}
      end
    end
  
    def trim
      id = Integer(params[:id])
      obj = ObjectSpace._id2ref(id)
      index = Integer(params[:index])
  
      if obj == nil and id != 20
        render :json => {:success => false, :exception => "object with id #{id} not found"}
      else
        obj.__trim_stack_to_level(index)
        render :json => {:success => true, :result => true}
      end
    end
  
    def stepOver
      id = Integer(params[:id])
      index = Integer(params[:index])
      obj = ObjectSpace._id2ref(id)
  
      if obj == nil and id != 20
        render :json => {:success => false, :exception => "object with id #{id} not found"}
      else
        render :json => {:success => true, :result => obj.__step_over_at(index).to_database_view(1, {}, {})}
      end
    end
  end
end