import {
  useMedicationCodeableConcept,
  useMedicationFormulations,
} from "./medication.resource";
import useSWR from "swr";
import { openmrsFetch } from "@openmrs/esm-framework";

jest.mock("@openmrs/esm-framework", () => {
  const originalModule = jest.requireActual("@openmrs/esm-framework");
  return {
    __esModule: true,
    ...originalModule,
    openmrsFetch: jest.fn(() => "mocked fetch"),
  };
});

jest.mock("swr");

describe("Medication Resource Tests", () => {
  test("useMedicationCodeableConcept should call useSWR with null reference if existing codeable concept uuid passed in", () => {
    // @ts-ignore
    useSWR.mockImplementation(() => ({ data: null }));
    const result = useMedicationCodeableConcept("123abc", "Medication/123abc");
    expect(useSWR).toHaveBeenCalledWith(null, openmrsFetch);
    expect(result.medicationCodeableConceptUuid).toBeNull();
  });

  test("useMedicationCodeableConcept should call useSWR with medication reference if no existing codeable concept uuid passed in", () => {
    // @ts-ignore
    useSWR.mockImplementation(() => ({
      data: { data: { code: { coding: [{ code: "def678" }] } } },
    }));
    const result = useMedicationCodeableConcept(null, "Medication/123abc");
    expect(useSWR).toHaveBeenCalledWith(
      "/ws/fhir2/R4/Medication/123abc",
      openmrsFetch
    );
    expect(result.medicationCodeableConceptUuid).toBe("def678");
  });

  test("useMedicationFormulations should call useSWR with null reference if no concept uuid provided", () => {
    // @ts-ignore
    useSWR.mockImplementation(() => ({ data: null }));
    const result = useMedicationFormulations(null);
    expect(useSWR).toHaveBeenCalledWith(null, openmrsFetch);
    expect(result.medicationFormulations).toBeUndefined(); // TODO: is this really what we want? or rather null or empty
  });

  test("useMedicationFormulations should call useSWR with with medications by concept endpoint and return formualations if concept defined", () => {
    // @ts-ignore
    useSWR.mockImplementation(() => ({
      data: {
        data: {
          resourceType: "Bundle",
          id: "2ee923c2-6e97-464e-ae0b-797b24c3b3b5",
          meta: {
            lastUpdated: "2023-02-27T17:51:19.801-05:00",
          },
          type: "searchset",
          total: 2,
          link: [
            {
              relation: "self",
              url: "https://ci.pih-emr.org/openmrs/ws/fhir2/R4/Medication?code=3cd27a8a-26fe-102b-80cb-0017a47871b2",
            },
          ],
          entry: [
            {
              fullUrl:
                "https://ci.pih-emr.org/openmrs/ws/fhir2/R4/Medication/e47fa273-0c52-4f0f-b57b-34001a3e9677",
              resource: {
                resourceType: "Medication",
                id: "e47fa273-0c52-4f0f-b57b-34001a3e9677",
                meta: {
                  lastUpdated: "2019-09-09T22:55:46.000-04:00",
                },
                text: {
                  status: "generated",
                  div: '<div xmlns="http://www.w3.org/1999/xhtml"><table class="hapiPropertyTable"><tbody><tr><td>Id:</td><td>e47fa273-0c52-4f0f-b57b-34001a3e9677</td></tr><tr><td>Code:</td><td>Isoniazide</td></tr><tr><td>Status:</td><td>ACTIVE</td></tr></tbody></table></div>',
                },
                extension: [
                  {
                    url: "http://fhir.openmrs.org/ext/medicine",
                    extension: [
                      {
                        url: "http://fhir.openmrs.org/ext/medicine#drugName",
                        valueString: "Isoniazid (H), 100mg tablet",
                      },
                    ],
                  },
                ],
                code: {
                  coding: [
                    {
                      code: "3cd27a8a-26fe-102b-80cb-0017a47871b2",
                      display: "Isoniazide",
                    },
                    {
                      system:
                        "https://openconceptlab.org/orgs/CIEL/sources/CIEL",
                      code: "1679",
                      display: "Isoniazide",
                    },
                    {
                      system: "http://snomed.info/sct",
                      code: "81335000",
                      display: "Isoniazide",
                    },
                  ],
                  text: "Isoniazide",
                },
                status: "active",
              },
            },
            {
              fullUrl:
                "https://ci.pih-emr.org/openmrs/ws/fhir2/R4/Medication/849218ee-901c-46b3-80f9-7c808132893b",
              resource: {
                resourceType: "Medication",
                id: "849218ee-901c-46b3-80f9-7c808132893b",
                meta: {
                  lastUpdated: "2019-09-09T22:55:46.000-04:00",
                },
                text: {
                  status: "generated",
                  div: '<div xmlns="http://www.w3.org/1999/xhtml"><table class="hapiPropertyTable"><tbody><tr><td>Id:</td><td>849218ee-901c-46b3-80f9-7c808132893b</td></tr><tr><td>Code:</td><td>Isoniazide</td></tr><tr><td>Status:</td><td>ACTIVE</td></tr></tbody></table></div>',
                },
                extension: [
                  {
                    url: "http://fhir.openmrs.org/ext/medicine",
                    extension: [
                      {
                        url: "http://fhir.openmrs.org/ext/medicine#drugName",
                        valueString: "Isoniazid (H), 300mg tablet",
                      },
                    ],
                  },
                ],
                code: {
                  coding: [
                    {
                      code: "3cd27a8a-26fe-102b-80cb-0017a47871b2",
                      display: "Isoniazide",
                    },
                    {
                      system:
                        "https://openconceptlab.org/orgs/CIEL/sources/CIEL",
                      code: "1679",
                      display: "Isoniazide",
                    },
                    {
                      system: "http://snomed.info/sct",
                      code: "81335000",
                      display: "Isoniazide",
                    },
                  ],
                  text: "Isoniazide",
                },
                status: "active",
              },
            },
          ],
        },
      },
    }));
    const result = useMedicationFormulations("123abc");
    expect(useSWR).toHaveBeenCalledWith(
      "/ws/fhir2/R4/Medication?code=123abc",
      openmrsFetch
    );
    expect(result.medicationFormulations.length).toBe(2);
    expect(result.medicationFormulations[0].id).toBe(
      "e47fa273-0c52-4f0f-b57b-34001a3e9677"
    );
    expect(result.medicationFormulations[0].resourceType).toBe("Medication");
    expect(result.medicationFormulations[1].id).toBe(
      "849218ee-901c-46b3-80f9-7c808132893b"
    );
    expect(result.medicationFormulations[1].resourceType).toBe("Medication");
  });
});