/* eslint-disable flowtype/require-valid-file-annotation */
import randomstring from "randomstring";
import { v4 as uuidv4 } from "uuid";
import { Collection, Document } from "../models";
import {
  buildUser,
  buildGroup,
  buildCollection,
  buildTeam,
  buildDocument,
} from "../test/factories";
import { flushdb, seed } from "../test/support";
import slugify from "../utils/slugify";

beforeEach(() => flushdb());
beforeEach(jest.resetAllMocks);

describe("#url", () => {
  test("should return correct url for the collection", () => {
    const collection = new Collection({ id: "1234" });
    expect(collection.url).toBe(`/collection/untitled-${collection.urlId}`);
  });
});

describe("getDocumentParents", () => {
  test("should return array of parent document ids", async () => {
    const parent = await buildDocument();
    const document = await buildDocument();
    const collection = await buildCollection({
      documentStructure: [
        {
          ...parent.toJSON(),
          children: [document.toJSON()],
        },
      ],
    });

    const result = collection.getDocumentParents(document.id);

    expect(result.length).toBe(1);
    expect(result[0]).toBe(parent.id);
  });

  test("should return array of parent document ids", async () => {
    const parent = await buildDocument();
    const document = await buildDocument();
    const collection = await buildCollection({
      documentStructure: [
        {
          ...parent.toJSON(),
          children: [document.toJSON()],
        },
      ],
    });

    const result = collection.getDocumentParents(parent.id);
    expect(result.length).toBe(0);
  });

  test("should not error if documentStructure is empty", async () => {
    const parent = await buildDocument();
    await buildDocument();
    const collection = await buildCollection();

    const result = collection.getDocumentParents(parent.id);
    expect(result).toBe(undefined);
  });
});

describe("getDocumentTree", () => {
  test("should return document tree", async () => {
    const document = await buildDocument();
    const collection = await buildCollection({
      documentStructure: [document.toJSON()],
    });

    expect(collection.getDocumentTree(document.id)).toEqual(document.toJSON());
  });

  test("should return nested documents in tree", async () => {
    const parent = await buildDocument();
    const document = await buildDocument();
    const collection = await buildCollection({
      documentStructure: [
        {
          ...parent.toJSON(),
          children: [document.toJSON()],
        },
      ],
    });

    expect(collection.getDocumentTree(parent.id)).toEqual({
      ...parent.toJSON(),
      children: [document.toJSON()],
    });
    expect(collection.getDocumentTree(document.id)).toEqual(document.toJSON());
  });
});

describe("isChildDocument", () => {
  test("should return false with unexpected data", async () => {
    const document = await buildDocument();
    const collection = await buildCollection({
      documentStructure: [document.toJSON()],
    });

    expect(collection.isChildDocument(document.id, document.id)).toEqual(false);
    expect(collection.isChildDocument(document.id, undefined)).toEqual(false);
    expect(collection.isChildDocument(undefined, document.id)).toEqual(false);
  });

  test("should return false if sibling", async () => {
    const one = await buildDocument();
    const document = await buildDocument();
    const collection = await buildCollection({
      documentStructure: [one.toJSON(), document.toJSON()],
    });

    expect(collection.isChildDocument(one.id, document.id)).toEqual(false);
    expect(collection.isChildDocument(document.id, one.id)).toEqual(false);
  });

  test("should return true if direct child of parent", async () => {
    const parent = await buildDocument();
    const document = await buildDocument();
    const collection = await buildCollection({
      documentStructure: [
        {
          ...parent.toJSON(),
          children: [document.toJSON()],
        },
      ],
    });

    expect(collection.isChildDocument(parent.id, document.id)).toEqual(true);
    expect(collection.isChildDocument(document.id, parent.id)).toEqual(false);
  });

  test("should return true if nested child of parent", async () => {
    const parent = await buildDocument();
    const nested = await buildDocument();
    const document = await buildDocument();
    const collection = await buildCollection({
      documentStructure: [
        {
          ...parent.toJSON(),
          children: [
            {
              ...nested.toJSON(),
              children: [document.toJSON()],
            },
          ],
        },
      ],
    });

    expect(collection.isChildDocument(parent.id, document.id)).toEqual(true);
    expect(collection.isChildDocument(document.id, parent.id)).toEqual(false);
  });
});

describe("#addDocumentToStructure", () => {
  test("should add as last element without index", async () => {
    const { collection } = await seed();
    const id = uuidv4();
    const newDocument = new Document({
      id,
      title: "New end node",
      parentDocumentId: null,
    });

    await collection.addDocumentToStructure(newDocument);
    expect(collection.documentStructure.length).toBe(2);
    expect(collection.documentStructure[1].id).toBe(id);
  });

  test("should add with an index", async () => {
    const { collection } = await seed();
    const id = uuidv4();
    const newDocument = new Document({
      id,
      title: "New end node",
      parentDocumentId: null,
    });

    await collection.addDocumentToStructure(newDocument, 1);
    expect(collection.documentStructure.length).toBe(2);
    expect(collection.documentStructure[1].id).toBe(id);
  });

  test("should add as a child if with parent", async () => {
    const { collection, document } = await seed();
    const id = uuidv4();
    const newDocument = new Document({
      id,
      title: "New end node",
      parentDocumentId: document.id,
    });

    await collection.addDocumentToStructure(newDocument, 1);
    expect(collection.documentStructure.length).toBe(1);
    expect(collection.documentStructure[0].id).toBe(document.id);
    expect(collection.documentStructure[0].children.length).toBe(1);
    expect(collection.documentStructure[0].children[0].id).toBe(id);
  });

  test("should add as a child if with parent with index", async () => {
    const { collection, document } = await seed();
    const newDocument = new Document({
      id: uuidv4(),
      title: "node",
      parentDocumentId: document.id,
    });
    const id = uuidv4();
    const secondDocument = new Document({
      id,
      title: "New start node",
      parentDocumentId: document.id,
    });

    await collection.addDocumentToStructure(newDocument);
    await collection.addDocumentToStructure(secondDocument, 0);
    expect(collection.documentStructure.length).toBe(1);
    expect(collection.documentStructure[0].id).toBe(document.id);
    expect(collection.documentStructure[0].children.length).toBe(2);
    expect(collection.documentStructure[0].children[0].id).toBe(id);
  });

  describe("options: documentJson", () => {
    test("should append supplied json over document's own", async () => {
      const { collection } = await seed();
      const id = uuidv4();
      const newDocument = new Document({
        id: uuidv4(),
        title: "New end node",
        parentDocumentId: null,
      });

      await collection.addDocumentToStructure(newDocument, undefined, {
        documentJson: {
          children: [
            {
              id,
              title: "Totally fake",
              children: [],
            },
          ],
        },
      });
      expect(collection.documentStructure[1].children.length).toBe(1);
      expect(collection.documentStructure[1].children[0].id).toBe(id);
    });
  });
});

describe("#updateDocument", () => {
  test("should update root document's data", async () => {
    const { collection, document } = await seed();

    document.title = "Updated title";

    await document.save();
    await collection.updateDocument(document);

    expect(collection.documentStructure[0].title).toBe("Updated title");
  });

  test("should update child document's data", async () => {
    const { collection, document } = await seed();
    const newDocument = await Document.create({
      parentDocumentId: document.id,
      collectionId: collection.id,
      teamId: collection.teamId,
      userId: collection.createdById,
      lastModifiedById: collection.createdById,
      createdById: collection.createdById,
      title: "Child document",
      text: "content",
    });
    await collection.addDocumentToStructure(newDocument);

    newDocument.title = "Updated title";
    await newDocument.save();

    await collection.updateDocument(newDocument);

    const reloaded = await Collection.findByPk(collection.id);

    expect(reloaded.documentStructure[0].children[0].title).toBe(
      "Updated title"
    );
  });
});

describe("#removeDocument", () => {
  test("should save if removing", async () => {
    const { collection, document } = await seed();
    jest.spyOn(collection, "save");

    await collection.deleteDocument(document);
    expect(collection.save).toBeCalled();
  });

  test("should remove documents from root", async () => {
    const { collection, document } = await seed();

    await collection.deleteDocument(document);
    expect(collection.documentStructure.length).toBe(0);

    // Verify that the document was removed
    const collectionDocuments = await Document.findAndCountAll({
      where: {
        collectionId: collection.id,
      },
    });
    expect(collectionDocuments.count).toBe(0);
  });

  test("should remove a document with child documents", async () => {
    const { collection, document } = await seed();

    // Add a child for testing
    const newDocument = await Document.create({
      parentDocumentId: document.id,
      collectionId: collection.id,
      teamId: collection.teamId,
      userId: collection.createdById,
      lastModifiedById: collection.createdById,
      createdById: collection.createdById,
      title: "Child document",
      text: "content",
    });
    await collection.addDocumentToStructure(newDocument);
    expect(collection.documentStructure[0].children.length).toBe(1);

    // Remove the document
    await collection.deleteDocument(document);
    expect(collection.documentStructure.length).toBe(0);
    const collectionDocuments = await Document.findAndCountAll({
      where: {
        collectionId: collection.id,
      },
    });
    expect(collectionDocuments.count).toBe(0);
  });

  test("should remove a child document", async () => {
    const { collection, document } = await seed();

    // Add a child for testing
    const newDocument = await Document.create({
      parentDocumentId: document.id,
      collectionId: collection.id,
      teamId: collection.teamId,
      userId: collection.createdById,
      lastModifiedById: collection.createdById,
      createdById: collection.createdById,
      publishedAt: new Date(),
      title: "Child document",
      text: "content",
    });
    await collection.addDocumentToStructure(newDocument);
    expect(collection.documentStructure.length).toBe(1);
    expect(collection.documentStructure[0].children.length).toBe(1);

    // Remove the document
    await collection.deleteDocument(newDocument);

    const reloaded = await Collection.findByPk(collection.id);

    expect(reloaded.documentStructure.length).toBe(1);
    expect(reloaded.documentStructure[0].children.length).toBe(0);

    const collectionDocuments = await Document.findAndCountAll({
      where: {
        collectionId: collection.id,
      },
    });
    expect(collectionDocuments.count).toBe(1);
  });
});

describe("#membershipUserIds", () => {
  test("should return collection and group memberships", async () => {
    const team = await buildTeam();
    const teamId = team.id;

    // Make 6 users
    const users = await Promise.all(
      Array(6)
        .fill()
        .map(() => buildUser({ teamId }))
    );

    const collection = await buildCollection({
      userId: users[0].id,
      permission: null,
      teamId,
    });

    const group1 = await buildGroup({ teamId });
    const group2 = await buildGroup({ teamId });

    const createdById = users[0].id;

    await group1.addUser(users[0], { through: { createdById } });
    await group1.addUser(users[1], { through: { createdById } });
    await group2.addUser(users[2], { through: { createdById } });
    await group2.addUser(users[3], { through: { createdById } });

    await collection.addUser(users[4], { through: { createdById } });
    await collection.addUser(users[5], { through: { createdById } });

    await collection.addGroup(group1, { through: { createdById } });
    await collection.addGroup(group2, { through: { createdById } });

    const membershipUserIds = await Collection.membershipUserIds(collection.id);
    expect(membershipUserIds.length).toBe(6);
  });
});

describe("#findByPk", () => {
  test("should return collection with collection Id", async () => {
    const collection = await buildCollection();
    const response = await Collection.findByPk(collection.id);

    expect(response.id).toBe(collection.id);
  });

  test("should return collection when urlId is present", async () => {
    const collection = await buildCollection();
    const id = `${slugify(collection.name)}-${collection.urlId}`;

    const response = await Collection.findByPk(id);

    expect(response.id).toBe(collection.id);
  });

  test("should return undefined when incorrect uuid type", async () => {
    const collection = await buildCollection();
    const response = await Collection.findByPk(collection.id + "-incorrect");

    expect(response).toBe(undefined);
  });

  test("should return undefined when incorrect urlId length", async () => {
    const collection = await buildCollection();
    const id = `${slugify(collection.name)}-${collection.urlId}incorrect`;

    const response = await Collection.findByPk(id);

    expect(response).toBe(undefined);
  });

  test("should return null when no collection is found with uuid", async () => {
    const response = await Collection.findByPk(
      "a9e71a81-7342-4ea3-9889-9b9cc8f667da"
    );

    expect(response).toBe(null);
  });

  test("should return null when no collection is found with urlId", async () => {
    const id = `${slugify("test collection")}-${randomstring.generate(15)}`;

    const response = await Collection.findByPk(id);

    expect(response).toBe(null);
  });
});