/* globals sinon */
"use strict";

/* import-globals-from utils.js */
load("utils.js");

NormandyTestUtils.init({ add_task });
const { decorate_task } = NormandyTestUtils;

decorate_task(withMockApiServer(), async function test_get({ serverUrl }) {
  // Test that NormandyApi can fetch from the test server.
  const response = await NormandyApi.get(`${serverUrl}/api/v1/`);
  const data = await response.json();
  equal(
    data["recipe-signed"],
    "/api/v1/recipe/signed/",
    "Expected data in response"
  );
});

decorate_task(
  withMockApiServer(),
  async function test_getApiUrl({ serverUrl }) {
    const apiBase = `${serverUrl}/api/v1`;
    // Test that NormandyApi can use the self-describing API's index
    const recipeListUrl = await NormandyApi.getApiUrl("extension-list");
    equal(
      recipeListUrl,
      `${apiBase}/extension/`,
      "Can retrieve extension-list URL from API"
    );
  }
);

decorate_task(
  withMockApiServer(),
  async function test_getApiUrlSlashes({ serverUrl, mockPreferences }) {
    const fakeResponse = new MockResponse(
      JSON.stringify({ "test-endpoint": `${serverUrl}/test/` })
    );
    const mockGet = sinon
      .stub(NormandyApi, "get")
      .callsFake(async () => fakeResponse);

    // without slash
    {
      NormandyApi.clearIndexCache();
      mockPreferences.set("app.normandy.api_url", `${serverUrl}/api/v1`);
      const endpoint = await NormandyApi.getApiUrl("test-endpoint");
      equal(endpoint, `${serverUrl}/test/`);
      ok(
        mockGet.calledWithExactly(`${serverUrl}/api/v1/`),
        "trailing slash was added"
      );
      mockGet.resetHistory();
    }

    // with slash
    {
      NormandyApi.clearIndexCache();
      mockPreferences.set("app.normandy.api_url", `${serverUrl}/api/v1/`);
      const endpoint = await NormandyApi.getApiUrl("test-endpoint");
      equal(endpoint, `${serverUrl}/test/`);
      ok(
        mockGet.calledWithExactly(`${serverUrl}/api/v1/`),
        "existing trailing slash was preserved"
      );
      mockGet.resetHistory();
    }

    NormandyApi.clearIndexCache();
    mockGet.restore();
  }
);

// Test validation errors due to validation throwing an exception (e.g. when
// parameters passed to validation are malformed).
decorate_task(
  withMockApiServer(),
  async function test_validateSignedObject_validation_error() {
    // Mock the x5u URL
    const getStub = sinon.stub(NormandyApi, "get").callsFake(async url => {
      ok(url.endsWith("x5u/"), "the only request should be to fetch the x5u");
      return new MockResponse("certchain");
    });

    const signedObject = { a: 1, b: 2 };
    const signature = {
      signature: "invalidsignature",
      x5u: "http://localhost/x5u/",
    };

    // Validation should fail due to a malformed x5u and signature.
    try {
      await NormandyApi.verifyObjectSignature(
        signedObject,
        signature,
        "object"
      );
      ok(false, "validateSignedObject did not throw for a validation error");
    } catch (err) {
      ok(
        err instanceof NormandyApi.InvalidSignatureError,
        "Error is an InvalidSignatureError"
      );
      ok(/signature/.test(err), "Error is due to a validation error");
    }

    getStub.restore();
  }
);

// Test validation errors due to validation returning false (e.g. when parameters
// passed to validation are correctly formed, but not valid for the data).
decorate_task(
  withMockApiServer("invalid_recipe_signature_api"),
  async function test_verifySignedObject_invalid_signature() {
    // Get the test recipe and signature from the mock server.
    const recipesUrl = await NormandyApi.getApiUrl("recipe-signed");
    const recipeResponse = await NormandyApi.get(recipesUrl);
    const recipes = await recipeResponse.json();
    equal(recipes.length, 1, "Test data has one recipe");
    const [{ recipe, signature }] = recipes;

    try {
      await NormandyApi.verifyObjectSignature(recipe, signature, "recipe");
      ok(false, "verifyObjectSignature did not throw for an invalid signature");
    } catch (err) {
      ok(
        err instanceof NormandyApi.InvalidSignatureError,
        "Error is an InvalidSignatureError"
      );
      ok(/signature/.test(err), "Error is due to an invalid signature");
    }
  }
);

decorate_task(withMockApiServer(), async function test_classifyClient() {
  const classification = await NormandyApi.classifyClient();
  Assert.deepEqual(classification, {
    country: "US",
    request_time: new Date("2017-02-22T17:43:24.657841Z"),
  });
});

decorate_task(withMockApiServer(), async function test_fetchExtensionDetails() {
  const extensionDetails = await NormandyApi.fetchExtensionDetails(1);
  deepEqual(extensionDetails, {
    id: 1,
    name: "Normandy Fixture",
    xpi: "http://example.com/browser/toolkit/components/normandy/test/browser/fixtures/normandy.xpi",
    extension_id: "normandydriver@example.com",
    version: "1.0",
    hash: "ade1c14196ec4fe0aa0a6ba40ac433d7c8d1ec985581a8a94d43dc58991b5171",
    hash_algorithm: "sha256",
  });
});

decorate_task(
  withScriptServer("query_server.sjs"),
  async function test_getTestServer({ serverUrl }) {
    // Test that NormandyApi can fetch from the test server.
    const response = await NormandyApi.get(serverUrl);
    const data = await response.json();
    Assert.deepEqual(
      data,
      { queryString: {}, body: {} },
      "NormandyApi returned incorrect server data."
    );
  }
);

decorate_task(
  withScriptServer("query_server.sjs"),
  async function test_getQueryString({ serverUrl }) {
    // Test that NormandyApi can send query string parameters to the test server.
    const response = await NormandyApi.get(serverUrl, {
      foo: "bar",
      baz: "biff",
    });
    const data = await response.json();
    Assert.deepEqual(
      data,
      { queryString: { foo: "bar", baz: "biff" }, body: {} },
      "NormandyApi sent an incorrect query string."
    );
  }
);

// Test that no credentials are sent, even if the cookie store contains them.
decorate_task(
  withScriptServer("cookie_server.sjs"),
  async function test_sendsNoCredentials({ serverUrl }) {
    // This test uses cookie_server.sjs, which responds to all requests with a
    // response that sets a cookie.

    // send a request, to store a cookie in the cookie store
    await fetch(serverUrl, { credentials: "same-origin" });

    // A normal request should send that cookie
    const cookieExpectedDeferred = Promise.withResolvers();
    function cookieExpectedObserver(aSubject, aTopic) {
      equal(
        aTopic,
        "http-on-modify-request",
        "Only the expected topic should be observed"
      );
      let httpChannel = aSubject.QueryInterface(Ci.nsIHttpChannel);
      equal(
        httpChannel.getRequestHeader("Cookie"),
        "type=chocolate-chip",
        "The header should be sent"
      );
      Services.obs.removeObserver(
        cookieExpectedObserver,
        "http-on-modify-request"
      );
      cookieExpectedDeferred.resolve();
    }
    Services.obs.addObserver(cookieExpectedObserver, "http-on-modify-request");
    await fetch(serverUrl, { credentials: "same-origin" });
    await cookieExpectedDeferred.promise;

    // A request through the NormandyApi method should not send that cookie
    const cookieNotExpectedDeferred = Promise.withResolvers();
    function cookieNotExpectedObserver(aSubject, aTopic) {
      equal(
        aTopic,
        "http-on-modify-request",
        "Only the expected topic should be observed"
      );
      let httpChannel = aSubject.QueryInterface(Ci.nsIHttpChannel);
      Assert.throws(
        () => httpChannel.getRequestHeader("Cookie"),
        /NS_ERROR_NOT_AVAILABLE/,
        "The cookie header should not be sent"
      );
      Services.obs.removeObserver(
        cookieNotExpectedObserver,
        "http-on-modify-request"
      );
      cookieNotExpectedDeferred.resolve();
    }
    Services.obs.addObserver(
      cookieNotExpectedObserver,
      "http-on-modify-request"
    );
    await NormandyApi.get(serverUrl);
    await cookieNotExpectedDeferred.promise;
  }
);