module MetricAdmin
  class Admin::MetricsController < ApplicationController

    layout "admin"

    def index
      @metric_categories = ResourceType.all
    end

    def show
      @metric = Metric.find(params[:id])
      @metricnote = MetricNote.new
    end

    def edit
      @metric_categories = ResourceType.all
      @metric = Metric.find(params[:id])
      @resources = Resource.all
      @resource_type = ResourceType.find_by_id(@metric.resource_type_id)
      1.times { @metric.metric_summaries.build }
    end

    def new
      @metric = Metric.new
      @metric.resource_type_id = params[:resource_type_id]
      @metric.resource_type = params[:resource_type]
    end

    def destroy

      if @metric = Metric.find(params[:id])
        @metric.destroy
        flash[:success] = "Metric has been removed."
        redirect_to admin_metrics_url
      else
        flash[:alert] = "Metric has not been removed."
        redirect_to admin_metrics_url
      end
    end

    def create
      @metric = Metric.new(params[:metric])
      @metric.has_detail = 1
      @metric.data_type = "integer"
      if @metric.save
        flash[:success] = "#{@metric.title} has been created"
        redirect_to admin_metrics_url
      else
        flash[:notice] = "There was an error"
        render :action => :new, :status => :unprocessable_entity
      end
    end

    def sort
      params[:metric].each_with_index do |metric_id, i|
        @metric = Metric.find(metric_id)
        @metric.update_attribute(:sort, i)
      end
      render :text => "sorted"
    end

    def clone
      @metric_to_clone = Metric.find(params[:id])
      @metric = @metric_to_clone.clone
      @metric.title = "Copy of #{@metric.title}"
      @metric.sort = Metric.maximum(:sort, :conditions=>["resource_type_id = ?", @metric_to_clone.resource_type_id ]).to_i + 1
      if @metric.save
        flash[:notice] = "#{@metric.title} has been cloned"
        redirect_to edit_admin_metric_url(@metric)
      else
        flash[:notice] = "There was an error"
        render :action => :new, :status => :unprocessable_entity
      end
    end

    def calculate
      CalculateMetrics.calculate_metrics_for_id(params[:id])
      flash[:notice] = "Completed calculating"
      redirect_to admin_metrics_url
    end

    def evaluate
      metric_logic = params["logic"].gsub(":staff", params[:logic_staff])
      error = {}

      res = Thread.new{
        require 'rubygems'
        require 'active_support'

        begin
          @has_error = false
          ActiveRecord::Base.establish_connection "needles_#{RAILS_ENV}"
          @result, @results = eval(metric_logic)
          ActiveRecord::Base.verify_active_connections!
          [@result,@results]
        rescue Exception => e
          logger.info "Error Message: #{e.message}"
          @has_error = true
          @errors = [e.message, e.backtrace.join("\r\n")].join("\r\n")
        end
      }

      @result, @results =  res.value
      @results = @results

      respond_to do |format|
        format.js
      end

    end

    # PUT /admin/metrics/id
    #----------------------------------------------------------------------------
    def update
      @metric = Metric.find_by_id(params[:metric][:id])

      if @metric.update_attributes(params[:metric])
        flash[:notice] = "#{@metric.title} has been updated"
        # CalculateMetrics.calculate_metrics_for_id(@metric.id)
        redirect_to :action => :edit
      else
        render :action => :index, :status => :unprocessable_entity
      end
    end
  end
end