require "watir"
require "csv"

module Dashboard
  module Dese
    class ThreeAOne
      include Dese::Scraper
      attr_reader :filepaths

      def initialize(filepaths: [Dashboard::Engine.root.join("data", "admin_data", "dese",
                                                             "3A_1_average_class_size.csv")])
        @filepaths = filepaths
      end

      def run_all
        filepath = filepaths[0]
        headers = ["Raw likert calculation", "Likert Score", "Admin Data Item", "Academic Year", "School Name", "DESE ID",
                   "Total # of Classes", "Average Class Size", "Number of Students", "Female %", "Male %",
                   "English Language Learner %", "Students with Disabilities %", "Economically Disadvantaged %"]
        write_headers(filepath:, headers:)

        run_a_reso_i1

        browser.close
      end

      def run_a_reso_i1
        run do |academic_year|
          url = "https://profiles.doe.mass.edu/statereport/classsizebygenderpopulation.aspx"
          range = academic_year.range
          selectors = { "ctl00_ContentPlaceHolder1_ddReportType" => "School",
                        "ctl00_ContentPlaceHolder1_ddYear" => range }
          submit_id = "btnViewReport"
          calculation = lambda { |headers, items|
            class_size_index = headers["Average Class Size"]
            average_class_size = items[class_size_index].to_f
            benchmark = 20
            if class_size_index.present? && !items[class_size_index] != ""
              ((benchmark - average_class_size) + benchmark) * 4 / benchmark
            end
          }
          admin_data_item_id = "a-reso-i1"
          Prerequisites.new(filepaths[0], url, selectors, submit_id, admin_data_item_id, calculation)
        end
      end
    end
  end
end