require 'spec_helper'
require 'date'

RSpec.describe Pacing::Pacer do
  describe "monthly pacer" do
    it "return some data" do
      school_plan = {
        school_plan_services: [
          {
            school_plan_type: 'IEP',
            start_date: '04-01-2022',
            end_date: '04-01-2023',
            type_of_service: 'Language Therapy',
            frequency: 6,
            interval: 'monthly',
            time_per_session_in_minutes: 30,
            completed_visits_for_current_interval: 7,
            extra_sessions_allowable: 1,
            interval_for_extra_sessions_allowable: 'monthly' 
          }, {
            school_plan_type: 'IEP',
            start_date: '04-01-2022',
            end_date: '04-01-2023',
            type_of_service: 'Physical Therapy',
            frequency: 6,
            interval: 'monthly',
            time_per_session_in_minutes: 30,
            completed_visits_for_current_interval: 2,
            extra_sessions_allowable: 1,
            interval_for_extra_sessions_allowable: 'monthly' 
          }
        ]
      }

      date = '04-22-2022'
      non_business_days = ['04-25-2022']
      results = Pacing::Pacer.new(school_plan: school_plan, date: date, non_business_days: non_business_days ).calculate

      expect(results).to eq({
        school_plan_services: [
          {
            school_plan_type: 'IEP',
            start_date: '04-01-2022',
            end_date: '04-01-2023',
            type_of_service: 'Language Therapy',
            frequency: 6,
            interval: 'monthly',
            time_per_session_in_minutes: 30,
            completed_visits_for_current_interval: 7,
            extra_sessions_allowable: 1,
            interval_for_extra_sessions_allowable: 'monthly',
            remaining_visits: 0,
            reset_date: '04-30-2022',
            pace: 2,
            pace_indicator: "🐇"
          }, {
            school_plan_type: 'IEP',
            start_date: '04-01-2022',
            end_date: '04-01-2023',
            type_of_service: 'Physical Therapy',
            frequency: 6,
            interval: 'monthly',
            time_per_session_in_minutes: 30,
            completed_visits_for_current_interval: 2,
            extra_sessions_allowable: 1,
            interval_for_extra_sessions_allowable: 'monthly',
            remaining_visits: 4,
            reset_date: '04-30-2022',
            pace: -3,
            pace_indicator: "🐢"
          }
        ]
      })
    end

    it "should return a positive pacing when more visits are completed than expected before a particular point in time" do
      school_plan = {
        school_plan_services: [
          {
            school_plan_type: 'IEP',
            start_date: '04-01-2022',
            end_date: '04-01-2023',
            type_of_service: 'Speech Therapy',
            frequency: 12,
            interval: 'monthly',
            time_per_session_in_minutes: 30,
            completed_visits_for_current_interval: 8,
            extra_sessions_allowable: 1,
            interval_for_extra_sessions_allowable: 'monthly' 
          }, {
            school_plan_type: 'IEP',
            start_date: '04-01-2022',
            end_date: '04-01-2023',
            type_of_service: 'Physical Therapy',
            frequency: 6, 
            interval: 'monthly',
            time_per_session_in_minutes: 30,
            completed_visits_for_current_interval: 4,
            extra_sessions_allowable: 1,
            interval_for_extra_sessions_allowable: 'monthly' 
          }
        ]
      }

      date = '04-16-2022'
      non_business_days = ['04-25-2022']

      results = Pacing::Pacer.new(school_plan: school_plan, date: date, non_business_days: non_business_days ).calculate

      expect(results).to eq(
        {
          school_plan_services: [
            {
              school_plan_type: 'IEP',
              start_date: '04-01-2022',
              end_date: '04-01-2023',
              type_of_service: 'Speech Therapy',
              frequency: 12,
              interval: 'monthly',
              time_per_session_in_minutes: 30,
              completed_visits_for_current_interval: 8,
              extra_sessions_allowable: 1,
              interval_for_extra_sessions_allowable: 'monthly',
              remaining_visits: 4,
              reset_date: '04-30-2022',
              pace: 2,
              pace_indicator: "🐇"
            }, {
              school_plan_type: 'IEP',
              start_date: '04-01-2022',
              end_date: '04-01-2023',
              type_of_service: 'Physical Therapy',
              frequency: 6,
              interval: 'monthly',
              time_per_session_in_minutes: 30,
              completed_visits_for_current_interval: 4,
              extra_sessions_allowable: 1,
              interval_for_extra_sessions_allowable: 'monthly',
              remaining_visits: 2,
              reset_date: '04-30-2022',
              pace: 1,
              pace_indicator: "🐇" 
            }
          ]
        })
    end

    it "should return a negative pacing when fewer visits are completed than expected before a particular point in time" do
      school_plan = {
        school_plan_services: [
          {
            school_plan_type: 'IEP',
            start_date: '04-01-2022',
            end_date: '04-01-2023',
            type_of_service: 'Speech Therapy',
            frequency: 12,
            interval: 'monthly',
            time_per_session_in_minutes: 30,
            completed_visits_for_current_interval: 3,
            extra_sessions_allowable: 1,
            interval_for_extra_sessions_allowable: 'monthly' 
          }, {
            school_plan_type: 'IEP',
            start_date: '04-01-2022',
            end_date: '04-01-2023',
            type_of_service: 'Physical Therapy',
            frequency: 6,
            interval: 'monthly',
            time_per_session_in_minutes: 30,
            completed_visits_for_current_interval: 1,
            extra_sessions_allowable: 1,
            interval_for_extra_sessions_allowable: 'monthly' 
          }
        ]
      }

      date = '04-28-2022'
      non_business_days = ['04-25-2022']
      results = Pacing::Pacer.new(school_plan: school_plan, date: date, non_business_days: non_business_days ).calculate

      expect(results).to eq(
        {
          school_plan_services: [
            {
              school_plan_type: 'IEP',
              start_date: '04-01-2022',
              end_date: '04-01-2023',
              type_of_service: 'Speech Therapy',
              frequency: 12,
              interval: 'monthly',
              time_per_session_in_minutes: 30,
              completed_visits_for_current_interval: 3,
              extra_sessions_allowable: 1,
              interval_for_extra_sessions_allowable: 'monthly',
              remaining_visits: 9,
              reset_date: '04-30-2022',
              pace: -8,
              pace_indicator: "🐢"
            }, {
              school_plan_type: 'IEP',
              start_date: '04-01-2022',
              end_date: '04-01-2023',
              type_of_service: 'Physical Therapy',
              frequency: 6,
              interval: 'monthly',
              time_per_session_in_minutes: 30,
              completed_visits_for_current_interval: 1,
              extra_sessions_allowable: 1,
              interval_for_extra_sessions_allowable: 'monthly',
              remaining_visits: 5,
              reset_date: '04-30-2022',
              pace: -5,
              pace_indicator: "🐢" 
            }
          ]
        }
      )
    end

    it "should return a zero(neutral) pacing when visits completed equal expected visits at a particular point in time" do
      school_plan = {
        school_plan_services: [
          {
            school_plan_type: 'IEP',
            start_date: '05-01-2022',
            end_date: '05-01-2023',
            type_of_service: 'Speech Therapy',
            frequency: 12,
            interval: 'monthly',
            time_per_session_in_minutes: 30,
            completed_visits_for_current_interval: 6,
            extra_sessions_allowable: 1,
            interval_for_extra_sessions_allowable: 'monthly' 
          }, {
            school_plan_type: 'IEP',
            start_date: '05-01-2022',
            end_date: '05-01-2023',
            type_of_service: 'Physical Therapy',
            frequency: 6,
            interval: 'monthly',
            time_per_session_in_minutes: 30,
            completed_visits_for_current_interval: 3,
            extra_sessions_allowable: 1,
            interval_for_extra_sessions_allowable: 'monthly'
          }
        ]
      }

      date = '05-16-2022'
      non_business_days = ['05-25-2022']
      results = Pacing::Pacer.new(school_plan: school_plan, date: date, non_business_days: non_business_days ).calculate

      expect(results).to eq(
        {
          school_plan_services: [
            {
              school_plan_type: 'IEP',
              start_date: '05-01-2022',
              end_date: '05-01-2023',
              type_of_service: 'Speech Therapy',
              frequency: 12,
              interval: 'monthly',
              time_per_session_in_minutes: 30,
              completed_visits_for_current_interval: 6,
              extra_sessions_allowable: 1,
              interval_for_extra_sessions_allowable: 'monthly',
              remaining_visits: 6,
              reset_date: '05-31-2022',
              pace: 0,
              pace_indicator: "😁"
            }, {
              school_plan_type: 'IEP',
              start_date: '05-01-2022',
              end_date: '05-01-2023',
              type_of_service: 'Physical Therapy',
              frequency: 6,
              interval: 'monthly',
              time_per_session_in_minutes: 30,
              completed_visits_for_current_interval: 3,
              extra_sessions_allowable: 1,
              interval_for_extra_sessions_allowable: 'monthly',
              remaining_visits: 3,
              reset_date: '05-31-2022',
              pace: 0,
              pace_indicator: "😁"
            }
          ]
        }
      )
    end
  end

  describe "weekly pacer" do
    it "should return a positive pacing when more visits are completed than expected before a particular point in time" do

      school_plan = {
        school_plan_services: [
          {
            school_plan_type: 'IEP',
            start_date: '04-01-2022',
            end_date: '04-01-2023',
            type_of_service: 'Speech Therapy',
            frequency: 3,
            interval: 'weekly',
            time_per_session_in_minutes: 30,
            completed_visits_for_current_interval: 2,
            extra_sessions_allowable: 1,
            interval_for_extra_sessions_allowable: 'weekly' 
          }, {
            school_plan_type: 'IEP',
            start_date: '04-01-2022',
            end_date: '04-01-2023',
            type_of_service: 'Physical Therapy',
            frequency: 2, 
            interval: 'weekly',
            time_per_session_in_minutes: 30,
            completed_visits_for_current_interval: 1,
            extra_sessions_allowable: 1,
            interval_for_extra_sessions_allowable: 'weekly' 
          }
        ]
      }

      date = '04-16-2022'
      non_business_days = ['04-25-2022']

      results = Pacing::Pacer.new(school_plan: school_plan, date: date, non_business_days: non_business_days ).calculate

      expect(results).to eq(
        {
          school_plan_services: [
            {
              school_plan_type: 'IEP',
              start_date: '04-01-2022',
              end_date: '04-01-2023',
              type_of_service: 'Speech Therapy',
              frequency: 3,
              interval: 'weekly',
              time_per_session_in_minutes: 30,
              completed_visits_for_current_interval: 2,
              extra_sessions_allowable: 1,
              interval_for_extra_sessions_allowable: 'weekly',
              remaining_visits: 1,
              reset_date: '04-22-2022',
              pace: 2,
              pace_indicator: "🐇"
            }, {
              school_plan_type: 'IEP',
              start_date: '04-01-2022',
              end_date: '04-01-2023',
              type_of_service: 'Physical Therapy',
              frequency: 2,
              interval: 'weekly',
              time_per_session_in_minutes: 30,
              completed_visits_for_current_interval: 1,
              extra_sessions_allowable: 1,
              interval_for_extra_sessions_allowable: 'weekly',
              remaining_visits: 1,
              reset_date: '04-22-2022',
              pace: 1,
              pace_indicator: "🐇"
            }
          ]
        })
    end

    it "should return a negative pacing when fewer visits are completed than expected before a particular point in time" do
      school_plan = {
        school_plan_services: [
          {
            school_plan_type: 'IEP',
            start_date: '04-01-2022',
            end_date: '04-01-2023',
            type_of_service: 'Speech Therapy',
            frequency: 4,
            interval: 'weekly',
            time_per_session_in_minutes: 30,
            completed_visits_for_current_interval: 1,
            extra_sessions_allowable: 1,
            interval_for_extra_sessions_allowable: 'weekly' 
          }, {
            school_plan_type: 'IEP',
            start_date: '04-01-2022',
            end_date: '04-01-2023',
            type_of_service: 'Physical Therapy',
            frequency: 2,
            interval: 'weekly',
            time_per_session_in_minutes: 30,
            completed_visits_for_current_interval: 0,
            extra_sessions_allowable: 1,
            interval_for_extra_sessions_allowable: 'weekly' 
          }
        ]
      }

      date = '04-21-2022'
      non_business_days = ['04-25-2022']
      results = Pacing::Pacer.new(school_plan: school_plan, date: date, non_business_days: non_business_days ).calculate

      expect(results).to eq(
        {
          school_plan_services: [
            {
              school_plan_type: 'IEP',
              start_date: '04-01-2022',
              end_date: '04-01-2023',
              type_of_service: 'Speech Therapy',
              frequency: 4,
              interval: 'weekly',
              time_per_session_in_minutes: 30,
              completed_visits_for_current_interval: 1,
              extra_sessions_allowable: 1,
              interval_for_extra_sessions_allowable: 'weekly',
              remaining_visits: 3,
              reset_date: '04-22-2022',
              pace: -3,
              pace_indicator: "🐢"
            }, {
              school_plan_type: 'IEP',
              start_date: '04-01-2022',
              end_date: '04-01-2023',
              type_of_service: 'Physical Therapy',
              frequency: 2,
              interval: 'weekly',
              time_per_session_in_minutes: 30,
              completed_visits_for_current_interval: 0,
              extra_sessions_allowable: 1,
              interval_for_extra_sessions_allowable: 'weekly',
              remaining_visits: 2,
              reset_date: '04-22-2022',
              pace: -2,
              pace_indicator: "🐢" 
            }
          ]
        }
      )
    end

    it "should return a zero(neutral) pacing when visits completed equal expected visits at a particular point in time" do
      school_plan = {
        school_plan_services: [
          {
            school_plan_type: 'IEP',
            start_date: '05-01-2022',
            end_date: '05-01-2023',
            type_of_service: 'Speech Therapy',
            frequency: 4,
            interval: 'weekly',
            time_per_session_in_minutes: 30,
            completed_visits_for_current_interval: 2,
            extra_sessions_allowable: 1,
            interval_for_extra_sessions_allowable: 'weekly' 
          }, {
            school_plan_type: 'IEP',
            start_date: '05-01-2022',
            end_date: '05-01-2023',
            type_of_service: 'Physical Therapy',
            frequency: 2,
            interval: 'weekly',
            time_per_session_in_minutes: 30,
            completed_visits_for_current_interval: 1,
            extra_sessions_allowable: 1,
            interval_for_extra_sessions_allowable: 'weekly'
          }
        ]
      }

      date = '05-18-2022'
      non_business_days = ['05-25-2022']
      results = Pacing::Pacer.new(school_plan: school_plan, date: date, non_business_days: non_business_days ).calculate

      expect(results).to eq(
        {
          school_plan_services: [
            {
              school_plan_type: 'IEP',
              start_date: '05-01-2022',
              end_date: '05-01-2023',
              type_of_service: 'Speech Therapy',
              frequency: 4,
              interval: 'weekly',
              time_per_session_in_minutes: 30,
              completed_visits_for_current_interval: 2,
              extra_sessions_allowable: 1,
              interval_for_extra_sessions_allowable: 'weekly',
              remaining_visits: 2,
              reset_date: '05-22-2022',
              pace: 0,
              pace_indicator: "😁"
            }, {
              school_plan_type: 'IEP',
              start_date: '05-01-2022',
              end_date: '05-01-2023',
              type_of_service: 'Physical Therapy',
              frequency: 2,
              interval: 'weekly',
              time_per_session_in_minutes: 30,
              completed_visits_for_current_interval: 1,
              extra_sessions_allowable: 1,
              interval_for_extra_sessions_allowable: 'weekly',
              remaining_visits: 1,
              reset_date: '05-22-2022',
              pace: 0,
              pace_indicator: "😁"
            }
          ]
        }
      )
    end
  end

  describe "yearly pacer" do
    it "should return a positive pacing when more visits are completed than expected before a particular point in time" do

      school_plan = {
        school_plan_services: [
          {
            school_plan_type: 'IEP',
            start_date: '04-01-2022',
            end_date: '04-01-2025',
            type_of_service: 'Speech Therapy',
            frequency: 12,
            interval: 'yearly',
            time_per_session_in_minutes: 30,
            completed_visits_for_current_interval: 6,
            extra_sessions_allowable: 1,
            interval_for_extra_sessions_allowable: 'yearly' 
          }, {
            school_plan_type: 'IEP',
            start_date: '04-01-2022',
            end_date: '04-01-2025',
            type_of_service: 'Physical Therapy',
            frequency: 6, 
            interval: 'yearly',
            time_per_session_in_minutes: 30,
            completed_visits_for_current_interval: 4,
            extra_sessions_allowable: 1,
            interval_for_extra_sessions_allowable: 'yearly' 
          }
        ]
      }

      date = '08-16-2022'
      non_business_days = ['04-25-2022']

      results = Pacing::Pacer.new(school_plan: school_plan, date: date, non_business_days: non_business_days ).calculate

      expect(results).to eq(
        {
          school_plan_services: [
            {
              school_plan_type: 'IEP',
              start_date: '04-01-2022',
              end_date: '04-01-2025',
              type_of_service: 'Speech Therapy',
              frequency: 12,
              interval: 'yearly',
              time_per_session_in_minutes: 30,
              completed_visits_for_current_interval: 6,
              extra_sessions_allowable: 1,
              interval_for_extra_sessions_allowable: 'yearly',
              remaining_visits: 6,
              reset_date: '04-01-2023',
              pace: 1,
              pace_indicator: "🐇"
            }, {
              school_plan_type: 'IEP',
              start_date: '04-01-2022',
              end_date: '04-01-2025',
              type_of_service: 'Physical Therapy',
              frequency: 6,
              interval: 'yearly',
              time_per_session_in_minutes: 30,
              completed_visits_for_current_interval: 4,
              extra_sessions_allowable: 1,
              interval_for_extra_sessions_allowable: 'yearly',
              remaining_visits: 2,
              reset_date: '04-01-2023',
              pace: 2,
              pace_indicator: "🐇"
            }
          ]
        })
    end

    it "should return a negative pacing when fewer visits are completed than expected before a particular point in time" do
      school_plan = {
        school_plan_services: [
          {
            school_plan_type: 'IEP',
            start_date: '04-01-2022',
            end_date: '04-01-2024',
            type_of_service: 'Speech Therapy',
            frequency: 12,
            interval: 'yearly',
            time_per_session_in_minutes: 30,
            completed_visits_for_current_interval: 2,
            extra_sessions_allowable: 1,
            interval_for_extra_sessions_allowable: 'yearly' 
          }, {
            school_plan_type: 'IEP',
            start_date: '04-01-2022',
            end_date: '04-01-2024',
            type_of_service: 'Physical Therapy',
            frequency: 6,
            interval: 'yearly',
            time_per_session_in_minutes: 30,
            completed_visits_for_current_interval: 1,
            extra_sessions_allowable: 1,
            interval_for_extra_sessions_allowable: 'yearly' 
          }
        ]
      }

      date = '08-15-2022'
      non_business_days = ['04-25-2022']
      results = Pacing::Pacer.new(school_plan: school_plan, date: date, non_business_days: non_business_days ).calculate

      expect(results).to eq(
        {
          school_plan_services: [
            {
              school_plan_type: 'IEP',
              start_date: '04-01-2022',
              end_date: '04-01-2024',
              type_of_service: 'Speech Therapy',
              frequency: 12,
              interval: 'yearly',
              time_per_session_in_minutes: 30,
              completed_visits_for_current_interval: 2,
              extra_sessions_allowable: 1,
              interval_for_extra_sessions_allowable: 'yearly',
              remaining_visits: 10,
              reset_date: '04-01-2023',
              pace: -2,
              pace_indicator: "🐢"
            }, {
              school_plan_type: 'IEP',
              start_date: '04-01-2022',
              end_date: '04-01-2024',
              type_of_service: 'Physical Therapy',
              frequency: 6,
              interval: 'yearly',
              time_per_session_in_minutes: 30,
              completed_visits_for_current_interval: 1,
              extra_sessions_allowable: 1,
              interval_for_extra_sessions_allowable: 'yearly',
              remaining_visits: 5,
              reset_date: '04-01-2023',
              pace: -1,
              pace_indicator: "🐢" 
            }
          ]
        }
      )
    end

    it "should return a zero(neutral) pacing when visits completed equal expected visits at a particular point in time" do
      school_plan = {
        school_plan_services: [
          {
            school_plan_type: 'IEP',
            start_date: '05-01-2022',
            end_date: '05-01-2024',
            type_of_service: 'Speech Therapy',
            frequency: 12,
            interval: 'yearly',
            time_per_session_in_minutes: 30,
            completed_visits_for_current_interval: 4,
            extra_sessions_allowable: 1,
            interval_for_extra_sessions_allowable: 'yearly' 
          }, {
            school_plan_type: 'IEP',
            start_date: '05-01-2022',
            end_date: '05-01-2024',
            type_of_service: 'Physical Therapy',
            frequency: 6,
            interval: 'yearly',
            time_per_session_in_minutes: 30,
            completed_visits_for_current_interval: 2,
            extra_sessions_allowable: 1,
            interval_for_extra_sessions_allowable: 'yearly'
          }
        ]
      }

      date = '09-10-2022'
      non_business_days = ['05-25-2022']
      results = Pacing::Pacer.new(school_plan: school_plan, date: date, non_business_days: non_business_days ).calculate

      expect(results).to eq(
        {
          school_plan_services: [
            {
              school_plan_type: 'IEP',
              start_date: '05-01-2022',
              end_date: '05-01-2024',
              type_of_service: 'Speech Therapy',
              frequency: 12,
              interval: 'yearly',
              time_per_session_in_minutes: 30,
              completed_visits_for_current_interval: 4,
              extra_sessions_allowable: 1,
              interval_for_extra_sessions_allowable: 'yearly',
              remaining_visits: 8,
              reset_date: '05-01-2023',
              pace: 0,
              pace_indicator: "😁"
            }, {
              school_plan_type: 'IEP',
              start_date: '05-01-2022',
              end_date: '05-01-2024',
              type_of_service: 'Physical Therapy',
              frequency: 6,
              interval: 'yearly',
              time_per_session_in_minutes: 30,
              completed_visits_for_current_interval: 2,
              extra_sessions_allowable: 1,
              interval_for_extra_sessions_allowable: 'yearly',
              remaining_visits: 4,
              reset_date: '05-01-2023',
              pace: 0,
              pace_indicator: "😁"
            }
          ]
        }
      )
    end
  end

  describe 'error handling' do
    it "should respond with friendly error message for a misformed date" do
      school_plan = {school_plan_services: [{school_plan_type: 'IEP', start_date: '04-01-2022', end_date: '04-01-2023', type_of_service: 'Language Therapy', frequency: 6, interval: 'monthly', time_per_session_in_minutes: 30, completed_visits_for_current_interval: 7, extra_sessions_allowable: 1, interval_for_extra_sessions_allowable: 'monthly' }, {school_plan_type: 'IEP', start_date: '04-01-2022', end_date: '04-01-2023', type_of_service: 'Physical Therapy', frequency: 6, interval: 'monthly', time_per_session_in_minutes: 30, completed_visits_for_current_interval: 7, extra_sessions_allowable: 1, interval_for_extra_sessions_allowable: 'monthly' }]}
      date = '22-1-2022'
      non_business_days = ['25-1-2022']
      expect { Pacing::Pacer.new(school_plan: school_plan, date: date, non_business_days: non_business_days ).calculate }.to raise_error('The date should be formatted as a string in the format mm-dd-yyyy')
    end

    it "should respond with friendly error message for a misformed date" do
      school_plan = {school_plan_services: [{school_plan_type: 'IEP', start_date: '04-01-2022', end_date: '04-01-2023', type_of_service: 'Language Therapy', frequency: 6, interval: 'monthly', time_per_session_in_minutes: 30, completed_visits_for_current_interval: 7, extra_sessions_allowable: 1, interval_for_extra_sessions_allowable: 'monthly' }, {school_plan_type: 'IEP', start_date: '04-01-2022', end_date: '04-01-2023', type_of_service: 'Physical Therapy', frequency: 6, interval: 'monthly', time_per_session_in_minutes: 30, completed_visits_for_current_interval: 7, extra_sessions_allowable: 1, interval_for_extra_sessions_allowable: 'monthly' }]}
      date = '22-1-2022'
      non_business_days = ['25-1-2022']
      expect { Pacing::Pacer.new(school_plan: school_plan, date: date, non_business_days: non_business_days ).calculate }.to raise_error(TypeError)
    end

    it "should respond with a friendly error message if no date is passed in" do
      school_plan = {school_plan_services: [{school_plan_type: 'IEP', start_date: '04-01-2022', end_date: '04-01-2023', type_of_service: 'Language Therapy', frequency: 6, interval: 'monthly', time_per_session_in_minutes: 30, completed_visits_for_current_interval: 7, extra_sessions_allowable: 1, interval_for_extra_sessions_allowable: 'monthly' }, {school_plan_type: 'IEP', start_date: '04-01-2022', end_date: '04-01-2023', type_of_service: 'Physical Therapy', frequency: 6, interval: 'monthly', time_per_session_in_minutes: 30, completed_visits_for_current_interval: 7, extra_sessions_allowable: 1, interval_for_extra_sessions_allowable: 'monthly' }]}
      date = nil
      non_business_days = ['25-01-2022']
      expect { Pacing::Pacer.new(school_plan: school_plan, date: date, non_business_days: non_business_days ).calculate }.to raise_error('You must pass in a date')
    end

    it "should respond with friendly error message for a misformed date for non-business-days" do
      school_plan = {school_plan_services: [{school_plan_type: 'IEP', start_date: '04-01-2022', end_date: '04-01-2023', type_of_service: 'Language Therapy', frequency: 6, interval: 'monthly', time_per_session_in_minutes: 30, completed_visits_for_current_interval: 7, extra_sessions_allowable: 1, interval_for_extra_sessions_allowable: 'monthly' }, {school_plan_type: 'IEP', start_date: '04-01-2022', end_date: '04-01-2023', type_of_service: 'Physical Therapy', frequency: 6, interval: 'monthly', time_per_session_in_minutes: 30, completed_visits_for_current_interval: 7, extra_sessions_allowable: 1, interval_for_extra_sessions_allowable: 'monthly' }]}
      date = '04-22-2022'
      non_business_days = ['25-1-2022']
      expect { Pacing::Pacer.new(school_plan: school_plan, date: date, non_business_days: non_business_days ).calculate }.to raise_error('"Non business days" dates should be formatted as a string in the format mm-dd-yyyy')
    end

    it "should respond with friendly error message for a misformed date for non-business-days if there is an array of dates" do
      school_plan = {school_plan_services: [{school_plan_type: 'IEP', start_date: '04-01-2022', end_date: '04-01-2023', type_of_service: 'Language Therapy', frequency: 6, interval: 'monthly', time_per_session_in_minutes: 30, completed_visits_for_current_interval: 7, extra_sessions_allowable: 1, interval_for_extra_sessions_allowable: 'monthly' }, {school_plan_type: 'IEP', start_date: '04-01-2022', end_date: '04-01-2023', type_of_service: 'Physical Therapy', frequency: 6, interval: 'monthly', time_per_session_in_minutes: 30, completed_visits_for_current_interval: 7, extra_sessions_allowable: 1, interval_for_extra_sessions_allowable: 'monthly' }]}
      date = '04-22-2022'
      non_business_days = ['25-1-2022', '04-22-2022']
      expect { Pacing::Pacer.new(school_plan: school_plan, date: date, non_business_days: non_business_days ).calculate }.to raise_error('"Non business days" dates should be formatted as a string in the format mm-dd-yyyy')
    end

    it "should respond with friendly error message if there is no school plan passed in" do
      school_plan = nil
      date = '04-22-2022'
      non_business_days = ['04-22-2022']
      expect { Pacing::Pacer.new(school_plan: school_plan, date: date, non_business_days: non_business_days ).calculate }.to raise_error('You must pass in at least one school plan')
    end

    it "should respond with a friendly error message if the school plan is not passed in as a hash" do
      school_plan = 1
      date = '04-22-2022'
      non_business_days = ['04-22-2022']
      expect { Pacing::Pacer.new(school_plan: school_plan, date: date, non_business_days: non_business_days ).calculate }.to raise_error('School plan must be a hash')
    end

    it "should respond with friendly error message for a misformed date in the school plan service" do
      school_plan = {school_plan_services: [{school_plan_type: 'IEP', start_date: '13-01-2022', end_date: '04-01-2023', type_of_service: 'Language Therapy', frequency: 6, interval: 'monthly', time_per_session_in_minutes: 30, completed_visits_for_current_interval: 7, extra_sessions_allowable: 1, interval_for_extra_sessions_allowable: 'monthly' }, {school_plan_type: 'IEP', start_date: '04-01-2022', end_date: '04-01-2023', type_of_service: 'Physical Therapy', frequency: 6, interval: 'monthly', time_per_session_in_minutes: 30, completed_visits_for_current_interval: 7, extra_sessions_allowable: 1, interval_for_extra_sessions_allowable: 'monthly' }]}
      date = '04-22-2022'
      non_business_days = ['04-01-2022', '04-22-2022']
      expect { Pacing::Pacer.new(school_plan: school_plan, date: date, non_business_days: non_business_days ).calculate }.to raise_error('School plan services start and end dates should be formatted as a string in the format mm-dd-yyyy')
    end

    it "should respond with friendly error message if no start or end date is passed in" do
      school_plan = {school_plan_services: [{school_plan_type: 'IEP', start_date: nil, end_date: '04-01-2023', type_of_service: 'Language Therapy', frequency: 6, interval: 'monthly', time_per_session_in_minutes: 30, completed_visits_for_current_interval: 7, extra_sessions_allowable: 1, interval_for_extra_sessions_allowable: 'monthly' }, {school_plan_type: 'IEP', start_date: '04-01-2022', end_date: '04-01-2023', type_of_service: 'Physical Therapy', frequency: 6, interval: 'monthly', time_per_session_in_minutes: 30, completed_visits_for_current_interval: 7, extra_sessions_allowable: 1, interval_for_extra_sessions_allowable: 'monthly' }]}
      date = '04-22-2022'
      non_business_days = ['04-01-2022', '04-22-2022']
      expect { Pacing::Pacer.new(school_plan: school_plan, date: date, non_business_days: non_business_days ).calculate }.to raise_error('School plan services start and end dates can not be nil')
    end

    it "should respond with friendly error message if school plan type is not a string or not passed in" do
      school_plan = {school_plan_services: [{school_plan_type: 1, start_date: '04-01-2022', end_date: '04-01-2023', type_of_service: 'Language Therapy', frequency: 6, interval: 'monthly', time_per_session_in_minutes: 30, completed_visits_for_current_interval: 7, extra_sessions_allowable: 1, interval_for_extra_sessions_allowable: 'monthly' }, {school_plan_type: 'IEP', start_date: '04-01-2022', end_date: '04-01-2023', type_of_service: 'Physical Therapy', frequency: 6, interval: 'monthly', time_per_session_in_minutes: 30, completed_visits_for_current_interval: 7, extra_sessions_allowable: 1, interval_for_extra_sessions_allowable: 'monthly' }]}
      date = '04-22-2022'
      non_business_days = ['04-01-2022', '04-22-2022']
      expect { Pacing::Pacer.new(school_plan: school_plan, date: date, non_business_days: non_business_days ).calculate }.to raise_error('School plan type must be a string and cannot be nil')
    end

    it "should respond with friendly error message if type of service is not a string or not passed in" do
      school_plan = {school_plan_services: [{school_plan_type: 'IEP', start_date: '04-01-2022', end_date: '04-01-2023', type_of_service: nil, frequency: 6, interval: 'monthly', time_per_session_in_minutes: 30, completed_visits_for_current_interval: 7, extra_sessions_allowable: 1, interval_for_extra_sessions_allowable: 'monthly' }, {school_plan_type: 'IEP', start_date: '04-01-2022', end_date: '04-01-2023', type_of_service: 'Physical Therapy', frequency: 6, interval: 'monthly', time_per_session_in_minutes: 30, completed_visits_for_current_interval: 7, extra_sessions_allowable: 1, interval_for_extra_sessions_allowable: 'monthly' }]}
      date = '04-22-2022'
      non_business_days = ['04-01-2022', '04-22-2022']
      expect { Pacing::Pacer.new(school_plan: school_plan, date: date, non_business_days: non_business_days ).calculate }.to raise_error('Type of service must be a string and cannot be nil')
    end
    
    it "should respond with friendly error message if frequency is not an integer or not passed in" do
      school_plan = {school_plan_services: [{school_plan_type: 'IEP', start_date: '04-01-2022', end_date: '04-01-2023', type_of_service: 'Language Therapy', frequency: 'six', interval: 'monthly', time_per_session_in_minutes: 30, completed_visits_for_current_interval: 7, extra_sessions_allowable: 1, interval_for_extra_sessions_allowable: 'monthly' }, {school_plan_type: 'IEP', start_date: '04-01-2022', end_date: '04-01-2023', type_of_service: 'Physical Therapy', frequency: 6, interval: 'monthly', time_per_session_in_minutes: 30, completed_visits_for_current_interval: 7, extra_sessions_allowable: 1, interval_for_extra_sessions_allowable: 'monthly' }]}
      date = '04-22-2022'
      non_business_days = ['04-01-2022', '04-22-2022']
      expect { Pacing::Pacer.new(school_plan: school_plan, date: date, non_business_days: non_business_days ).calculate }.to raise_error('Frequency must be an integer and cannot be nil')
    end

    it "should respond with friendly error message if interval is not a string or not passed in" do
      school_plan = {school_plan_services: [{school_plan_type: 'IEP', start_date: '04-01-2022', end_date: '04-01-2023', type_of_service: 'Language Therapy', frequency: 6, interval: nil, time_per_session_in_minutes: 30, completed_visits_for_current_interval: 7, extra_sessions_allowable: 1, interval_for_extra_sessions_allowable: 'monthly' }, {school_plan_type: 'IEP', start_date: '04-01-2022', end_date: '04-01-2023', type_of_service: 'Physical Therapy', frequency: 6, interval: 'monthly', time_per_session_in_minutes: 30, completed_visits_for_current_interval: 7, extra_sessions_allowable: 1, interval_for_extra_sessions_allowable: 'monthly' }]}
      date = '04-22-2022'
      non_business_days = ['04-01-2022', '04-22-2022']
      expect { Pacing::Pacer.new(school_plan: school_plan, date: date, non_business_days: non_business_days ).calculate }.to raise_error('Interval must be a string and cannot be nil')
    end

    it "should respond with friendly error message if time per session in minutes is not an integer or not passed in" do
      school_plan = {school_plan_services: [{school_plan_type: 'IEP', start_date: '04-01-2022', end_date: '04-01-2023', type_of_service: 'Language Therapy', frequency: 6, interval: 'monthly', time_per_session_in_minutes: 'thirty', completed_visits_for_current_interval: 7, extra_sessions_allowable: 1, interval_for_extra_sessions_allowable: 'monthly' }, {school_plan_type: 'IEP', start_date: '04-01-2022', end_date: '04-01-2023', type_of_service: 'Physical Therapy', frequency: 6, interval: 'monthly', time_per_session_in_minutes: 30, completed_visits_for_current_interval: 7, extra_sessions_allowable: 1, interval_for_extra_sessions_allowable: 'monthly' }]}
      date = '04-22-2022'
      non_business_days = ['04-01-2022', '04-22-2022']
      expect { Pacing::Pacer.new(school_plan: school_plan, date: date, non_business_days: non_business_days ).calculate }.to raise_error('Time per session in minutes must be an integer and cannot be nil')
    end

    it "should respond with friendly error message if completed visits for current interval is not an integer or not passed in" do
      school_plan = {school_plan_services: [{school_plan_type: 'IEP', start_date: '04-01-2022', end_date: '04-01-2023', type_of_service: 'Language Therapy', frequency: 6, interval: 'monthly', time_per_session_in_minutes: 30, completed_visits_for_current_interval: 'seven', extra_sessions_allowable: 1, interval_for_extra_sessions_allowable: 'monthly' }, {school_plan_type: 'IEP', start_date: '04-01-2022', end_date: '04-01-2023', type_of_service: 'Physical Therapy', frequency: 6, interval: 'monthly', time_per_session_in_minutes: 30, completed_visits_for_current_interval: 7, extra_sessions_allowable: 1, interval_for_extra_sessions_allowable: 'monthly' }]}
      date = '04-22-2022'
      non_business_days = ['04-01-2022', '04-22-2022']
      expect { Pacing::Pacer.new(school_plan: school_plan, date: date, non_business_days: non_business_days ).calculate }.to raise_error('Completed visits for current interval must be an integer and cannot be nil')
    end

    it "should respond with friendly error message if extra sessionss allowable is not an integer or not passed in" do
      school_plan = {school_plan_services: [{school_plan_type: 'IEP', start_date: '04-01-2022', end_date: '04-01-2023', type_of_service: 'Language Therapy', frequency: 6, interval: 'monthly', time_per_session_in_minutes: 30, completed_visits_for_current_interval: 7, extra_sessions_allowable: 'one', interval_for_extra_sessions_allowable: 'monthly' }, {school_plan_type: 'IEP', start_date: '04-01-2022', end_date: '04-01-2023', type_of_service: 'Physical Therapy', frequency: 6, interval: 'monthly', time_per_session_in_minutes: 30, completed_visits_for_current_interval: 7, extra_sessions_allowable: 1, interval_for_extra_sessions_allowable: 'monthly' }]}
      date = '04-22-2022'
      non_business_days = ['04-01-2022', '04-22-2022']
      expect { Pacing::Pacer.new(school_plan: school_plan, date: date, non_business_days: non_business_days ).calculate }.to raise_error('Extra sessions allowable must be an integer and cannot be nil')
    end

    it "should respond with friendly error message if interval for extra sessions allowable is not a string or not passed in" do
      school_plan = {school_plan_services: [{school_plan_type: 'IEP', start_date: '04-01-2022', end_date: '04-01-2023', type_of_service: 'Language Therapy', frequency: 6, interval: 'monthly', time_per_session_in_minutes: 30, completed_visits_for_current_interval: 7, extra_sessions_allowable: 1, interval_for_extra_sessions_allowable: nil }, {school_plan_type: 'IEP', start_date: '04-01-2022', end_date: '04-01-2023', type_of_service: 'Physical Therapy', frequency: 6, interval: 'monthly', time_per_session_in_minutes: 30, completed_visits_for_current_interval: 7, extra_sessions_allowable: 1, interval_for_extra_sessions_allowable: 'monthly' }]}
      date = '04-22-2022'
      non_business_days = ['04-01-2022', '04-22-2022']
      expect { Pacing::Pacer.new(school_plan: school_plan, date: date, non_business_days: non_business_days ).calculate }.to raise_error('Interval for extra sessions allowable must be a string and cannot be nil')
    end

  end
end