# frozen_string_literal: true

require 'rails_helper'

RSpec.describe Visits::GroupPoints do
  describe '#group_points_by_radius' do
    it 'groups points by radius' do
      day_points = [
        build(:point, latitude: 0, longitude: 0, timestamp: 1.day.ago),
        build(:point, latitude: 0.00001, longitude: 0.00001, timestamp: 1.day.ago + 1.minute),
        build(:point, latitude: 0.00002, longitude: 0.00002, timestamp: 1.day.ago + 2.minutes),
        build(:point, latitude: 0.00003, longitude: 0.00003, timestamp: 1.day.ago + 3.minutes),
        build(:point, latitude: 0.00004, longitude: 0.00004, timestamp: 1.day.ago + 4.minutes),
        build(:point, latitude: 0.00005, longitude: 0.00005, timestamp: 1.day.ago + 5.minutes),
        build(:point, latitude: 0.00006, longitude: 0.00006, timestamp: 1.day.ago + 6.minutes),
        build(:point, latitude: 0.00007, longitude: 0.00007, timestamp: 1.day.ago + 7.minutes),
        build(:point, latitude: 0.00008, longitude: 0.00008, timestamp: 1.day.ago + 8.minutes),
        build(:point, latitude: 0.00009, longitude: 0.00009, timestamp: 1.day.ago + 9.minutes),
        build(:point, latitude: 0.0001, longitude: 0.0009, timestamp: 1.day.ago + 9.minutes)
      ]

      grouped_points = described_class.new(day_points).group_points_by_radius

      expect(grouped_points.size).to eq(1)
      expect(grouped_points.first.size).to eq(10)
      # The last point is too far from the first point
      expect(grouped_points.first).not_to include(day_points.last)
    end
  end
end