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

ChromeUtils.import("resource://services-sync/bookmark_validator.js");
ChromeUtils.import("resource://services-sync/util.js");

function run_test() {
  do_get_profile();
  run_next_test();
}

async function inspectServerRecords(data) {
  let validator = new BookmarkValidator();
  return validator.inspectServerRecords(data);
}

async function compareServerWithClient(server, client) {
  let validator = new BookmarkValidator();
  return validator.compareServerWithClient(server, client);
}

add_task(async function test_isr_rootOnServer() {
  let c = await inspectServerRecords([{
    id: "places",
    type: "folder",
    children: [],
  }]);
  ok(c.problemData.rootOnServer);
});

add_task(async function test_isr_empty() {
  let c = await inspectServerRecords([]);
  ok(!c.problemData.rootOnServer);
  notEqual(c.root, null);
});

add_task(async function test_isr_cycles() {
  let c = (await inspectServerRecords([
    {id: "C", type: "folder", children: ["A", "B"], parentid: "places"},
    {id: "A", type: "folder", children: ["B"], parentid: "B"},
    {id: "B", type: "folder", children: ["A"], parentid: "A"},
  ])).problemData;

  equal(c.cycles.length, 1);
  ok(c.cycles[0].includes("A"));
  ok(c.cycles[0].includes("B"));
});

add_task(async function test_isr_orphansMultiParents() {
  let c = (await inspectServerRecords([
    { id: "A", type: "bookmark", parentid: "D" },
    { id: "B", type: "folder", parentid: "places", children: ["A"]},
    { id: "C", type: "folder", parentid: "places", children: ["A"]},

  ])).problemData;
  deepEqual(c.orphans, [{ id: "A", parent: "D" }]);
  equal(c.multipleParents.length, 1);
  ok(c.multipleParents[0].parents.includes("B"));
  ok(c.multipleParents[0].parents.includes("C"));
});

add_task(async function test_isr_orphansMultiParents2() {
  let c = (await inspectServerRecords([
    { id: "A", type: "bookmark", parentid: "D" },
    { id: "B", type: "folder", parentid: "places", children: ["A"]},
  ])).problemData;
  equal(c.orphans.length, 1);
  equal(c.orphans[0].id, "A");
  equal(c.multipleParents.length, 0);
});

add_task(async function test_isr_deletedParents() {
  let c = (await inspectServerRecords([
    { id: "A", type: "bookmark", parentid: "B" },
    { id: "C", type: "folder", parentid: "places", children: ["A"]},
    { id: "B", type: "item", deleted: true},
  ])).problemData;
  deepEqual(c.deletedParents, ["A"]);
});

add_task(async function test_isr_badChildren() {
  let c = (await inspectServerRecords([
    { id: "A", type: "bookmark", parentid: "places", children: ["B", "C"] },
    { id: "C", type: "bookmark", parentid: "A" }
  ])).problemData;
  deepEqual(c.childrenOnNonFolder, ["A"]);
  deepEqual(c.missingChildren, [{parent: "A", child: "B"}]);
  deepEqual(c.parentNotFolder, ["C"]);
});


add_task(async function test_isr_parentChildMismatches() {
  let c = (await inspectServerRecords([
    { id: "A", type: "folder", parentid: "places", children: [] },
    { id: "B", type: "bookmark", parentid: "A" }
  ])).problemData;
  deepEqual(c.parentChildMismatches, [{parent: "A", child: "B"}]);
});

add_task(async function test_isr_duplicatesAndMissingIDs() {
  let c = (await inspectServerRecords([
    {id: "A", type: "folder", parentid: "places", children: []},
    {id: "A", type: "folder", parentid: "places", children: []},
    {type: "folder", parentid: "places", children: []}
  ])).problemData;
  equal(c.missingIDs, 1);
  deepEqual(c.duplicates, ["A"]);
});

add_task(async function test_isr_duplicateChildren() {
  let c = (await inspectServerRecords([
    {id: "A", type: "folder", parentid: "places", children: ["B", "B"]},
    {id: "B", type: "bookmark", parentid: "A"},
  ])).problemData;
  deepEqual(c.duplicateChildren, ["A"]);
});

// Each compareServerWithClient test mutates these, so we can"t just keep them
// global
function getDummyServerAndClient() {
  let server = [
    {
      id: "menu",
      parentid: "places",
      type: "folder",
      parentName: "",
      title: "foo",
      children: ["bbbbbbbbbbbb", "cccccccccccc"]
    },
    {
      id: "bbbbbbbbbbbb",
      type: "bookmark",
      parentid: "menu",
      parentName: "foo",
      title: "bar",
      bmkUri: "http://baz.com"
    },
    {
      id: "cccccccccccc",
      parentid: "menu",
      parentName: "foo",
      title: "",
      type: "query",
      bmkUri: "place:type=6&sort=14&maxResults=10"
    }
  ];

  let client = {
    "guid": "root________",
    "title": "",
    "id": 1,
    "type": "text/x-moz-place-container",
    "children": [
      {
        "guid": "menu________",
        "title": "foo",
        "id": 1000,
        "type": "text/x-moz-place-container",
        "children": [
          {
            "guid": "bbbbbbbbbbbb",
            "title": "bar",
            "id": 1001,
            "type": "text/x-moz-place",
            "uri": "http://baz.com"
          },
          {
            "guid": "cccccccccccc",
            "title": "",
            "id": 1002,
            "annos": [{
              "name": "Places/SmartBookmark",
              "flags": 0,
              "expires": 4,
              "value": "RecentTags"
            }],
            "type": "text/x-moz-place",
            "uri": "place:type=6&sort=14&maxResults=10"
          }
        ]
      }
    ]
  };
  return {server, client};
}


add_task(async function test_cswc_valid() {
  let {server, client} = getDummyServerAndClient();

  let c = (await compareServerWithClient(server, client)).problemData;
  equal(c.clientMissing.length, 0);
  equal(c.serverMissing.length, 0);
  equal(c.differences.length, 0);
});

add_task(async function test_cswc_serverMissing() {
  let {server, client} = getDummyServerAndClient();
  // remove c
  server.pop();
  server[0].children.pop();

  let c = (await compareServerWithClient(server, client)).problemData;
  deepEqual(c.serverMissing, ["cccccccccccc"]);
  equal(c.clientMissing.length, 0);
  deepEqual(c.structuralDifferences, [{id: "menu", differences: ["childGUIDs"]}]);
});

add_task(async function test_cswc_clientMissing() {
  let {server, client} = getDummyServerAndClient();
  client.children[0].children.pop();

  let c = (await compareServerWithClient(server, client)).problemData;
  deepEqual(c.clientMissing, ["cccccccccccc"]);
  equal(c.serverMissing.length, 0);
  deepEqual(c.structuralDifferences, [{id: "menu", differences: ["childGUIDs"]}]);
});

add_task(async function test_cswc_differences() {
  {
    let {server, client} = getDummyServerAndClient();
    client.children[0].children[0].title = "asdf";
    let c = (await compareServerWithClient(server, client)).problemData;
    equal(c.clientMissing.length, 0);
    equal(c.serverMissing.length, 0);
    deepEqual(c.differences, [{id: "bbbbbbbbbbbb", differences: ["title"]}]);
  }

  {
    let {server, client} = getDummyServerAndClient();
    server[2].type = "bookmark";
    let c = (await compareServerWithClient(server, client)).problemData;
    equal(c.clientMissing.length, 0);
    equal(c.serverMissing.length, 0);
    deepEqual(c.differences, [{id: "cccccccccccc", differences: ["type"]}]);
  }
});

add_task(async function test_cswc_differentURLs() {
  let {server, client} = getDummyServerAndClient();
  client.children[0].children.push({
    guid: "dddddddddddd",
    title: "Tag query",
    "type": "text/x-moz-place",
    "uri": "place:type=7&folder=80",
  }, {
    guid: "eeeeeeeeeeee",
    title: "Firefox",
    "type": "text/x-moz-place",
    "uri": "http://getfirefox.com",
  });
  server.push({
    id: "dddddddddddd",
    parentid: "menu",
    parentName: "foo",
    title: "Tag query",
    type: "query",
    folderName: "taggy",
    bmkUri: "place:type=7&folder=90",
  }, {
    id: "eeeeeeeeeeee",
    parentid: "menu",
    parentName: "foo",
    title: "Firefox",
    type: "bookmark",
    bmkUri: "https://mozilla.org/firefox",
  });

  let c = (await compareServerWithClient(server, client)).problemData;
  equal(c.differences.length, 1);
  deepEqual(c.differences, [{
    id: "eeeeeeeeeeee",
    differences: ["bmkUri"],
  }]);
});

add_task(async function test_cswc_serverUnexpected() {
  let {server, client} = getDummyServerAndClient();
  client.children.push({
    "guid": "dddddddddddd",
    "title": "",
    "id": 2000,
    "annos": [{
      "name": "places/excludeFromBackup",
      "flags": 0,
      "expires": 4,
      "value": 1
    }],
    "type": "text/x-moz-place-container",
    "children": [{
      "guid": "eeeeeeeeeeee",
      "title": "History",
      "annos": [{
        "name": "places/excludeFromBackup",
        "flags": 0,
        "expires": 4,
        "value": 1
      }],
      "type": "text/x-moz-place",
      "uri": "place:type=3&sort=4"
    }]
  });
  server.push({
    id: "dddddddddddd",
    parentid: "places",
    parentName: "",
    title: "",
    type: "folder",
    children: ["eeeeeeeeeeee"]
  }, {
    id: "eeeeeeeeeeee",
    parentid: "dddddddddddd",
    parentName: "",
    title: "History",
    type: "query",
    bmkUri: "place:type=3&sort=4"
  });

  let c = (await compareServerWithClient(server, client)).problemData;
  equal(c.clientMissing.length, 0);
  equal(c.serverMissing.length, 0);
  equal(c.serverUnexpected.length, 2);
  deepEqual(c.serverUnexpected, ["dddddddddddd", "eeeeeeeeeeee"]);
});

add_task(async function test_cswc_clientCycles() {
  await PlacesUtils.bookmarks.insertTree({
    guid: PlacesUtils.bookmarks.menuGuid,
    children: [{
      // A query for the menu, referenced by its local ID instead of
      // `BOOKMARKS_MENU`. This should be reported as a cycle.
      guid: "dddddddddddd",
      url: `place:folder=${PlacesUtils.bookmarksMenuFolderId}`,
      title: "Bookmarks Menu",
    }, {
      // A query that references the menu, but excludes itself, so it can't
      // form a cycle.
      guid: "iiiiiiiiiiii",
      url: `place:folder=BOOKMARKS_MENU&folder=UNFILED_BOOKMARKS&` +
           `folder=TOOLBAR&queryType=1&sort=12&maxResults=10&` +
           `excludeQueries=1`,
      title: "Recently Bookmarked",
    }],
  });

  await PlacesUtils.bookmarks.insertTree({
    guid: PlacesUtils.bookmarks.toolbarGuid,
    children: [{
      guid: "eeeeeeeeeeee",
      type: PlacesUtils.bookmarks.TYPE_FOLDER,
      children: [{
        // A query for the toolbar in a subfolder. This should still be reported
        // as a cycle.
        guid: "ffffffffffff",
        url: "place:folder=TOOLBAR&sort=3",
        title: "Bookmarks Toolbar",
      }],
    }],
  });

  await PlacesUtils.bookmarks.insertTree({
    guid: PlacesUtils.bookmarks.unfiledGuid,
    children: [{
      // A query for the menu. This shouldn't be reported as a cycle, since it
      // references a different root.
      guid: "gggggggggggg",
      url: "place:folder=BOOKMARKS_MENU&sort=5",
      title: "Bookmarks Menu",
    }],
  });

  await PlacesUtils.bookmarks.insertTree({
    guid: PlacesUtils.bookmarks.mobileGuid,
    children: [{
      // A query referencing multiple roots, one of which forms a cycle by
      // referencing mobile. This is extremely unlikely, but it's cheap to
      // detect, so we still report it.
      guid: "hhhhhhhhhhhh",
      url: "place:folder=TOOLBAR&folder=MOBILE_BOOKMARKS&folder=UNFILED_BOOKMARKS&sort=1",
      title: "Toolbar, Mobile, Unfiled",
    }],
  });

  let clientTree = await PlacesUtils.promiseBookmarksTree("", {
    includeItemIds: true
  });

  let c = (await compareServerWithClient([], clientTree)).problemData;
  deepEqual(c.clientCycles, [
    ["menu", "dddddddddddd"],
    ["toolbar", "eeeeeeeeeeee", "ffffffffffff"],
    ["mobile", "hhhhhhhhhhhh"],
  ]);
});

async function validationPing(server, client, duration) {
  let pingPromise = wait_for_ping(() => {}, true); // Allow "failing" pings, since having validation info indicates failure.
  // fake this entirely
  Svc.Obs.notify("weave:service:sync:start");
  Svc.Obs.notify("weave:engine:sync:start", null, "bookmarks");
  Svc.Obs.notify("weave:engine:sync:finish", null, "bookmarks");
  let validator = new BookmarkValidator();
  let {problemData} = await validator.compareServerWithClient(server, client);
  let data = {
    // We fake duration and version just so that we can verify they"re passed through.
    duration,
    version: validator.version,
    recordCount: server.length,
    problems: problemData,
  };
  Svc.Obs.notify("weave:engine:validate:finish", data, "bookmarks");
  Svc.Obs.notify("weave:service:sync:finish");
  return pingPromise;
}

add_task(async function test_telemetry_integration() {
  let {server, client} = getDummyServerAndClient();
  // remove "c"
  server.pop();
  server[0].children.pop();
  const duration = 50;
  let ping = await validationPing(server, client, duration);
  ok(ping.engines);
  let bme = ping.engines.find(e => e.name === "bookmarks");
  ok(bme);
  ok(bme.validation);
  ok(bme.validation.problems);
  equal(bme.validation.checked, server.length);
  equal(bme.validation.took, duration);
  bme.validation.problems.sort((a, b) => String(a.name).localeCompare(b.name));
  equal(bme.validation.version, new BookmarkValidator().version);
  deepEqual(bme.validation.problems, [
    { name: "badClientRoots", count: 3 },
    { name: "sdiff:childGUIDs", count: 1 },
    { name: "serverMissing", count: 1 },
    { name: "structuralDifferences", count: 1 },
  ]);
});
