import Search from "@/api/search.js";

describe("search api", () => {
  afterEach(() => {
    jest.restoreAllMocks();
  });

  it("should pass search query to lunrjs index", () => {
    const api = new Search();
    api.index = {
      search: jest.fn(),
    };

    const mockQuery = "mock query";
    api.search(mockQuery);
    expect(api.index.search).toBeCalledTimes(1);
    expect(api.index.search).toHaveBeenCalledWith(mockQuery);
  });
  describe("context", () => {
    describe("highlight", () => {
      it("should use <em> tags to wrap in context highlight", () => {
        const api = new Search();
        const highlight = api.highlight([{ match: "test" }], "this is a test");
        expect(highlight).toEqual("this is a <em>test</em>");
      });
      it("should return empty string if no context matches", () => {
        const api = new Search();
        const highlight = api.highlight([], "this is a test");
        expect(highlight).toEqual("");
      });
      it("should use first context match text if no context text", () => {
        const api = new Search();
        const highlight = api.highlight([
          { match: "test", context: "this is a test" },
        ]);
        expect(highlight).toEqual("this is a <em>test</em>");
      });
    });
    describe("getBestContentContext", () => {
      it("should compute best content context based on array length", () => {
        const api = new Search();
        const mockContext = {
          token1: { content: [] },
          token2: {
            content: [
              { context: "token2 test content" },
              { context: "token3 test content - 2" },
            ],
          },
          token3: { content: [{ context: "token3 test content" }] },
        };
        const bestContentContext = api.getBestContentContext(mockContext);
        expect(bestContentContext).toEqual(
          mockContext.token2.content[0].context
        );
      });
      it("should return null if empty context provided", () => {
        const api = new Search();
        const mockContext = {};
        const bestContentContext = api.getBestContentContext(mockContext);
        expect(bestContentContext).toBeNull();
      });
    });
    it("should compute context", () => {
      const api = new Search();
      api.contextData = {
        mock: {
          id: "-mock-",
          path: "-mock-",
          title: "mock title",
          description: "description mock",
          content: "content mock content",
        },
      };
      const mockSearchResult = {
        ref: "mock",
        matchData: {
          metadata: {
            mock: {
              title: { position: [[0, 4]] },
              description: { position: [[12, 4]] },
              content: { position: [[8, 4]] },
              path: { position: [[1, 4]] },
            },
          },
        },
      };

      const context = api.getContext(mockSearchResult);
      expect(context).toEqual({
        mock: {
          content: [{ context: "content mock content", match: "mock" }],
          description: [{ context: "description mock", match: "mock" }],
          path: [{ context: "-mock-", match: "mock" }],
          title: [{ context: "mock title", match: "mock" }],
        },
      });
    });
  });
});