/* Any copyright is dedicated to the Public Domain.
   http://creativecommons.org/publicdomain/zero/1.0/ */

"use strict";

const { PushDB, PushService, PushServiceWebSocket } = serviceExports;

const userAgentID = "28cd09e2-7506-42d8-9e50-b02785adc7ef";

var db;

function run_test() {
  do_get_profile();
  setPrefs({
    userAgentID,
  });
  run_next_test();
}

let putRecord = async function(perm, record) {
  let uri = Services.io.newURI(record.scope);

  PermissionTestUtils.add(
    uri,
    "desktop-notification",
    Ci.nsIPermissionManager[perm]
  );
  registerCleanupFunction(() => {
    PermissionTestUtils.remove(uri, "desktop-notification");
  });

  await db.put(record);
};

add_task(async function test_expiration_history_observer() {
  db = PushServiceWebSocket.newPushDB();
  registerCleanupFunction(() => db.drop().then(_ => db.close()));

  // A registration that we'll expire...
  await putRecord("ALLOW_ACTION", {
    channelID: "379c0668-8323-44d2-a315-4ee83f1a9ee9",
    pushEndpoint: "https://example.org/push/1",
    scope: "https://example.com/deals",
    pushCount: 0,
    lastPush: 0,
    version: null,
    originAttributes: "",
    quota: 16,
  });

  // ...And a registration that we'll evict on startup.
  await putRecord("ALLOW_ACTION", {
    channelID: "4cb6e454-37cf-41c4-a013-4e3a7fdd0bf1",
    pushEndpoint: "https://example.org/push/3",
    scope: "https://example.com/stuff",
    pushCount: 0,
    lastPush: 0,
    version: null,
    originAttributes: "",
    quota: 0,
  });

  await PlacesTestUtils.addVisits({
    uri: "https://example.com/infrequent",
    title: "Infrequently-visited page",
    visitDate: (Date.now() - 14 * 24 * 60 * 60 * 1000) * 1000,
    transition: Ci.nsINavHistoryService.TRANSITION_LINK,
  });

  let unregisterDone;
  let unregisterPromise = new Promise(resolve => (unregisterDone = resolve));
  let subChangePromise = promiseObserverNotification(
    PushServiceComponent.subscriptionChangeTopic,
    (subject, data) => data == "https://example.com/stuff"
  );

  PushService.init({
    serverURI: "wss://push.example.org/",
    db,
    makeWebSocket(uri) {
      return new MockWebSocket(uri, {
        onHello(request) {
          this.serverSendMsg(
            JSON.stringify({
              messageType: "hello",
              status: 200,
              uaid: userAgentID,
            })
          );
          this.serverSendMsg(
            JSON.stringify({
              messageType: "notification",
              updates: [
                {
                  channelID: "379c0668-8323-44d2-a315-4ee83f1a9ee9",
                  version: 2,
                },
              ],
            })
          );
        },
        onUnregister(request) {
          equal(
            request.channelID,
            "379c0668-8323-44d2-a315-4ee83f1a9ee9",
            "Dropped wrong channel ID"
          );
          equal(request.code, 201, "Expected quota exceeded unregister reason");
          unregisterDone();
        },
        onACK(request) {},
      });
    },
  });

  await subChangePromise;
  await unregisterPromise;

  let expiredRecord = await db.getByKeyID(
    "379c0668-8323-44d2-a315-4ee83f1a9ee9"
  );
  strictEqual(expiredRecord.quota, 0, "Expired record not updated");

  let notifiedScopes = [];
  subChangePromise = promiseObserverNotification(
    PushServiceComponent.subscriptionChangeTopic,
    (subject, data) => {
      notifiedScopes.push(data);
      return notifiedScopes.length == 2;
    }
  );

  // Add an expired registration that we'll revive later using the idle
  // observer.
  await putRecord("ALLOW_ACTION", {
    channelID: "eb33fc90-c883-4267-b5cb-613969e8e349",
    pushEndpoint: "https://example.org/push/2",
    scope: "https://example.com/auctions",
    pushCount: 0,
    lastPush: 0,
    version: null,
    originAttributes: "",
    quota: 0,
  });
  // ...And an expired registration that we'll revive on fetch.
  await putRecord("ALLOW_ACTION", {
    channelID: "6b2d13fe-d848-4c5f-bdda-e9fc89727dca",
    pushEndpoint: "https://example.org/push/4",
    scope: "https://example.net/sales",
    pushCount: 0,
    lastPush: 0,
    version: null,
    originAttributes: "",
    quota: 0,
  });

  // Now visit the site...
  await PlacesTestUtils.addVisits({
    uri: "https://example.com/another-page",
    title: "Infrequently-visited page",
    visitDate: Date.now() * 1000,
    transition: Ci.nsINavHistoryService.TRANSITION_LINK,
  });
  Services.obs.notifyObservers(null, "idle-daily");

  // And we should receive notifications for both scopes.
  await subChangePromise;
  deepEqual(
    notifiedScopes.sort(),
    ["https://example.com/auctions", "https://example.com/deals"],
    "Wrong scopes for subscription changes"
  );

  let aRecord = await db.getByKeyID("379c0668-8323-44d2-a315-4ee83f1a9ee9");
  ok(!aRecord, "Should drop expired record");

  let bRecord = await db.getByKeyID("eb33fc90-c883-4267-b5cb-613969e8e349");
  ok(!bRecord, "Should drop evicted record");

  // Simulate a visit to a site with an expired registration, then fetch the
  // record. This should drop the expired record and fire an observer
  // notification.
  await PlacesTestUtils.addVisits({
    uri: "https://example.net/sales",
    title: "Firefox plushies, 99% off",
    visitDate: Date.now() * 1000,
    transition: Ci.nsINavHistoryService.TRANSITION_LINK,
  });
  subChangePromise = promiseObserverNotification(
    PushServiceComponent.subscriptionChangeTopic,
    (subject, data) => {
      if (data == "https://example.net/sales") {
        ok(
          subject.isContentPrincipal,
          "Should pass subscription principal as the subject"
        );
        return true;
      }
      return false;
    }
  );
  let record = await PushService.registration({
    scope: "https://example.net/sales",
    originAttributes: "",
  });
  ok(!record, "Should not return evicted record");
  ok(
    !(await db.getByKeyID("6b2d13fe-d848-4c5f-bdda-e9fc89727dca")),
    "Should drop evicted record on fetch"
  );
  await subChangePromise;
});