import useSWR from 'swr';
import { openmrsFetch, type Session } from '@openmrs/esm-framework';
import {
  deleteMedicationDispense,
  initiateMedicationDispenseBody,
  saveMedicationDispense,
  useOrderConfig,
  useSubstitutionReasonValueSet,
  useSubstitutionTypeValueSet,
} from './medication-dispense.resource';
import {
  type MedicationDispense,
  type MedicationRequest,
  MedicationDispenseStatus,
  MedicationRequestStatus,
  type Provider,
} from '../types';
import dayjs from 'dayjs';

jest.mocked(openmrsFetch);
jest.mock('swr');

describe('Medication Dispense Resource tests', () => {
  test('saveMedicationDispense should call medication dispense FHIR endpoint with appropriate data and method POST', () => {
    const medicationDispense: MedicationDispense = {
      dosageInstruction: undefined,
      id: '',
      location: { display: '', reference: '', type: '' },
      medicationReference: { display: '', reference: '', type: '' },
      meta: { lastUpdated: '' },
      quantity: undefined,
      performer: undefined,
      resourceType: 'MedicationDispense',
      status: null,
      subject: { display: '', reference: '', type: '' },
      substitution: { reason: [], type: undefined, wasSubstituted: false },
      type: undefined,
      whenHandedOver: '',
      whenPrepared: '',
    };
    const abortController: AbortController = {
      signal: undefined,
      abort(): void {},
    };

    saveMedicationDispense(medicationDispense, MedicationDispenseStatus.completed, abortController);
    expect(openmrsFetch).toHaveBeenCalledWith('/ws/fhir2/R4/MedicationDispense', {
      method: 'POST',
      signal: abortController.signal,
      headers: {
        'Content-Type': 'application/json',
      },
      body: medicationDispense,
    });
  });

  test('saveMedicationDispense should call medication dispense FHIR endpoint with appropriate data and method PUT', () => {
    const medicationDispense: MedicationDispense = {
      dosageInstruction: undefined,
      id: '123abc',
      location: { display: '', reference: '', type: '' },
      medicationReference: { display: '', reference: '', type: '' },
      meta: { lastUpdated: '' },
      performer: undefined,
      quantity: undefined,
      resourceType: 'MedicationDispense',
      status: null,
      subject: { display: '', reference: '', type: '' },
      substitution: { reason: [], type: undefined, wasSubstituted: false },
      type: undefined,
      whenHandedOver: '',
      whenPrepared: '',
    };
    const abortController: AbortController = {
      signal: undefined,
      abort(): void {},
    };

    saveMedicationDispense(medicationDispense, MedicationDispenseStatus.completed, abortController);
    expect(openmrsFetch).toHaveBeenCalledWith('/ws/fhir2/R4/MedicationDispense/123abc', {
      method: 'PUT',
      signal: abortController.signal,
      headers: {
        'Content-Type': 'application/json',
      },
      body: medicationDispense,
    });
  });

  test('deleteMedicationDispense should call medication request FHIR endpoint with appropriate uuid and method DELETE', () => {
    deleteMedicationDispense('123abc');
    expect(openmrsFetch).toHaveBeenCalledWith('/ws/fhir2/R4/MedicationDispense/123abc', { method: 'DELETE' });
  });

  test('useOrderConfig should fetch order config via SWR', () => {
    // @ts-ignore
    useSWR.mockImplementation(() => ({ data: { data: 'mockedOrderConfig' } }));
    const orderConfig = useOrderConfig();
    expect(orderConfig.orderConfigObject).toBe('mockedOrderConfig');
  });

  test('useSubstitutionTypeValueSet should call fetch substitution type value set via SWR', () => {
    // @ts-ignore
    useSWR.mockImplementation(() => ({
      data: { data: 'mockedSubstitutionTypeValueSet' },
    }));
    const result = useSubstitutionTypeValueSet('123');
    expect(useSWR).toHaveBeenCalledWith('/ws/fhir2/R4/ValueSet/123', openmrsFetch);
    expect(result.substitutionTypeValueSet).toBe('mockedSubstitutionTypeValueSet');
  });

  test('useSubstitutionReasonValueSet should call fetch substitution reason value set via SWR', () => {
    // @ts-ignore
    useSWR.mockImplementation(() => ({
      data: { data: 'mockedSubstitutionReasonValueSet' },
    }));
    const result = useSubstitutionReasonValueSet('123');
    expect(useSWR).toHaveBeenCalledWith('/ws/fhir2/R4/ValueSet/123', openmrsFetch);
    expect(result.substitutionReasonValueSet).toBe('mockedSubstitutionReasonValueSet');
  });

  test('initiateMedicationDispenseBody should initialize medication dispense body from request', () => {
    const activeMedicationRequest: MedicationRequest = {
      intent: '',
      medicationReference: { reference: 'Medication/123abc' },
      meta: { lastUpdated: '' },
      priority: '',
      resourceType: 'MedicationRequest',
      status: MedicationRequestStatus.active,
      subject: { reference: 'Patient/765432' },
      dispenseRequest: {
        numberOfRepeatsAllowed: 0,
        quantity: {
          value: 20.0,
          system: 'http://snomed.info/sct',
          code: '123456789',
          unit: 'Tablet',
        },
        validityPeriod: { start: '' },
      },
      encounter: { reference: '', type: '' },
      requester: {
        display: '',
        identifier: { value: '' },
        reference: '',
        type: '',
      },
      dosageInstruction: [
        {
          text: 'Take with food',
          timing: {
            repeat: {
              duration: 30.0,
              durationUnit: 'd',
            },
            code: {
              coding: [
                {
                  code: '',
                },
              ],
            },
          },
          asNeededBoolean: false,
          route: {
            coding: [
              {
                code: '545767',
              },
            ],
          },
          doseAndRate: [
            {
              doseQuantity: {
                value: 5.0,
                unit: 'Tablet',
                system: 'http://snomed.info/sct',
                code: '385055001',
              },
            },
          ],
        },
      ],
      id: '456def',
    };

    const session: Session = {
      authenticated: true,
      sessionId: '',
      user: undefined,
      currentProvider: {
        uuid: 'ghi789',
        identifier: undefined,
      },
      sessionLocation: {
        uuid: '987654',
        display: undefined,
        links: undefined,
      },
    };

    const providers: Provider[] = [
      {
        uuid: 'ghi789',
        person: null,
      },
    ];

    const medicationDispense: MedicationDispense = initiateMedicationDispenseBody(
      activeMedicationRequest,
      session,
      providers,
      true,
    );

    expect(medicationDispense.id).toBeUndefined();
    expect(medicationDispense.resourceType).toBe('MedicationDispense');
    expect(medicationDispense.medicationReference.reference).toBe('Medication/123abc');
    expect(medicationDispense.status).toBeNull();
    expect(medicationDispense.authorizingPrescription[0].reference).toBe('MedicationRequest/456def');
    expect(medicationDispense.authorizingPrescription[0].type).toBe('MedicationRequest');
    expect(medicationDispense.medicationCodeableConcept).toBeUndefined();
    expect(medicationDispense.subject.reference).toBe('Patient/765432');
    expect(medicationDispense.performer[0].actor.reference).toBe('Practitioner/ghi789');
    expect(medicationDispense.location.reference).toBe('Location/987654');
    expect(medicationDispense.quantity.value).toBe(20.0);
    expect(medicationDispense.quantity.system).toBe('http://snomed.info/sct');
    expect(medicationDispense.quantity.unit).toBe('Tablet');
    expect(medicationDispense.quantity.code).toBe('123456789');
    expect(dayjs(medicationDispense.whenPrepared).isToday()).toBeTruthy();
    expect(dayjs(medicationDispense.whenHandedOver).isToday()).toBeTruthy();
    expect(medicationDispense.dosageInstruction[0].text).toBe('Take with food');
    expect(medicationDispense.dosageInstruction[0].timing.repeat.duration).toBe(30.0);
    expect(medicationDispense.dosageInstruction[0].timing.repeat.durationUnit).toBe('d');
    expect(medicationDispense.dosageInstruction[0].asNeededBoolean).toBe(false);
    expect(medicationDispense.dosageInstruction[0].route.coding[0].code).toBe('545767');
    expect(medicationDispense.dosageInstruction[0].doseAndRate[0].doseQuantity.value).toBe(5);
    expect(medicationDispense.dosageInstruction[0].doseAndRate[0].doseQuantity.system).toBe('http://snomed.info/sct');
    expect(medicationDispense.dosageInstruction[0].doseAndRate[0].doseQuantity.code).toBe('385055001');
    expect(medicationDispense.dosageInstruction[0].doseAndRate[0].doseQuantity.unit).toBe('Tablet');
    expect(medicationDispense.substitution.wasSubstituted).toBe(false);
  });
});