class DashboardController < ApplicationController
  def index
    joint_column = 'joint'
    # Grab distinct values for dropdown filters
    @available_joints = Joint.distinct.pluck(joint_column)

    # Fetch initial records
    @records = filter_records

    respond_to do |format|
      format.html # Renders app/views/dashboards/index.html.erb
      format.json { render json: @records } # Returns filtered data as JSON for JS
    end
  end

  private

  def filter_records
    if params.include?(:joint)
      records = Joint.all
      records = records.where(joint: params[:joint])
      records
    else
      []
    end
  end
end