require 'yaml'

class DashboardController < ApplicationController
  before_action :load_manifest

  def index
    # Renders the main page
    respond_to do |format|
      format.html
      format.json { render json: @manifest }
    end
  end

  # GET /dashboard/options?table=Joint&filter_col=joint_id&value=1
  def options
    table = params[:table].constantize
    if params[:filter_col].present?
      options = table.where(params[:filter_col] => params[:value]).pluck(params[:pluck_column])
    else
      puts table
      options = table.distinct.pluck(params[:pluck_column])
    end
    render json: options
  end

  # GET /dashboard/data?joint=Acromioclavicular&sub_joint=X
  def data
    results = {}
    
    # Use the data_sources from YAML to aggregate data
    @manifest['data_sources'].each do |source|
      table = source['table'].constantize
      # Find the filter value from the params that matches the filter_column
      # We assume the filter_column name in DB matches the filter ID in YAML
      filter_val = params[source['filter_column']] || params['joint'] # Fallback to joint
      
      record = table.find_by(source['filter_column'] => filter_val)
      results[source['key']] = record ? record.attributes : {}
    end
    
    #debugger
    render json: results
  end

  private

  def load_manifest
    @manifest = YAML.load_file(Rails.root.join('config', 'dashboard_manifest.yml'))
  end
end