require "rails_helper"
require "fileutils"
require "csv"

RSpec.describe Dese::ThreeBOne do
  let(:academic_years) do
    [
      create(:academic_year, range: "2021-22"),
      create(:academic_year, range: "2020-21")
      # create(:academic_year, range: '2019-20'),
      # create(:academic_year, range: '2018-19'),
      # create(:academic_year, range: '2017-18'),
      # create(:academic_year, range: '2016-17')
    ]
  end

  let(:i1_filepath) { Rails.root.join("tmp", "spec", "dese", "3B_1_masscore.csv") }
  let(:i2_filepath) { Rails.root.join("tmp", "spec", "dese", "3B_1_advcoursecomprate.csv") }
  let(:i3_filepath) { Rails.root.join("tmp", "spec", "dese", "3B_1_ap.csv") }
  let(:i4_filepath) { Rails.root.join("tmp", "spec", "dese", "3B_1_student_courses_ratio.csv") }

  let(:filepaths) do
    [i1_filepath, i2_filepath, i3_filepath, i4_filepath]
  end
  before do
    FileUtils.mkdir_p "tmp/spec/dese"
  end

  before :each do
    academic_years
  end

  xcontext "a-curv-i5" do
    it "creates a csv file with the scraped data" do
      Dese::ThreeBOne.new(filepaths:).run_all
      expect(i4_filepath).to exist
    end
  end

  xcontext "Creating a new Scraper" do
    it "creates a csv file with the scraped data" do
      Dese::ThreeBOne.new(filepaths:).run_all
      expect(i1_filepath).to exist
      expect(i2_filepath).to exist
      expect(i3_filepath).to exist
    end

    it "has the correct headers for a-curv-i1" do
      headers = File.open(i1_filepath) do |file|
        headers = file.first
      end.split(",")

      expect(headers).to eq ["Raw likert calculation", "Likert Score", "Admin Data Item", "Academic Year", "School Name", "DESE ID",
        "# Graduated", "# Completed MassCore", "% Completed MassCore\n"]
    end
    it "has the correct headers for a-curv-i2" do
      headers = File.open(i2_filepath) do |file|
        headers = file.first
      end.split(",")

      expect(headers).to eq ["Raw likert calculation", "Likert Score", "Admin Data Item", "Academic Year", "School Name", "DESE ID",
        "# Grade 11 and 12 Students", "# Students Completing Advanced", "% Students Completing Advanced",
        "% ELA", "% Math", "% Science and Technology", "% Computer and Information Science",
        "% History and Social Sciences", "% Arts", "% All Other Subjects", "% All Other Subjects\n"]
    end

    it "has the correct headers for a-curv-i3" do
      headers = File.open(i3_filepath) do |file|
        headers = file.first
      end.split(",")

      expect(headers).to eq ["Raw likert calculation", "Likert Score", "Admin Data Item", "Academic Year", "School Name", "DESE ID",
        "Tests Taken", "Score=1", "Score=2", "Score=3", "Score=4", "Score=5", "% Score 1-2", "% Score 3-5\n"]
    end

    it "has the right likert score results for a-curv-i1" do
      results = CSV.parse(File.read(i1_filepath), headers: true).map do |row|
        next unless row["Admin Data Item"] == "a-curv-i1" && row["Academic Year"] == "2020-21"

        row["Likert Score"].to_f
      end.flatten.compact

      expect(results.take(20)).to eq [4.44, 4.44, 3.33, 3.83, 4.44, 3.6, 4.44, 4.44, 1, 4.44, 4.44, 4.44, 4.44, 3.89,
        4.44, 4.44, 4.44, 4.44, 4.01, 3.92]
    end

    it "has the right likert score results for a-curv-i2" do
      results = CSV.parse(File.read(i2_filepath), headers: true).map do |row|
        next unless row["Admin Data Item"] == "a-curv-i2" && row["Academic Year"] == "2020-21"

        row["Likert Score"].to_f
      end.flatten.compact

      expect(results.take(20)).to eq [5.0, 5.0, 5.0, 5.0, 5.0, 5.0, 5.0, 1.0, 5.0, 5.0, 5.0, 5.0, 5.0, 5.0, 5.0, 5.0,
        5.0, 2.53, 5.0, 5.0]
    end
    it "has the right likert score results for a-curv-i3" do
      results = CSV.parse(File.read(i3_filepath), headers: true).map do |row|
        next unless row["Admin Data Item"] == "a-curv-i3" && row["Academic Year"] == "2020-21"

        row["Likert Score"].to_f
      end.flatten.compact

      expect(results.take(20)).to eq [5.0, 1.46, 5.0, 5.0, 5.0, 5.0, 5.0, 5.0, 5.0, 5.0, 5.0, 5.0, 2.06, 3.54, 5.0,
        5.0, 5.0, 5.0, 5.0, 1.0]
    end
  end
end