/*
 * SPDX-FileCopyrightText: 2021 The HedgeDoc developers (see AUTHORS file)
 *
 * SPDX-License-Identifier: AGPL-3.0-only
 */
import { ConfigService } from '@nestjs/config';
import request from 'supertest';

import { AuthConfig } from '../../src/config/auth.config';
import { HistoryEntryImportDto } from '../../src/history/history-entry-import.dto';
import { HistoryEntry } from '../../src/history/history-entry.entity';
import { HistoryService } from '../../src/history/history.service';
import { IdentityService } from '../../src/identity/identity.service';
import { Note } from '../../src/notes/note.entity';
import { NotesService } from '../../src/notes/notes.service';
import { User } from '../../src/users/user.entity';
import { UsersService } from '../../src/users/users.service';
import { setupSessionMiddleware } from '../../src/utils/session';
import { TestSetup, TestSetupBuilder } from '../test-setup';

describe('History', () => {
  let testSetup: TestSetup;
  let historyService: HistoryService;
  let identityService: IdentityService;
  let user: User;
  let note: Note;
  let note2: Note;
  let forbiddenNoteId: string;
  let content: string;
  let agent: request.SuperAgentTest;

  beforeAll(async () => {
    testSetup = await TestSetupBuilder.create().build();

    forbiddenNoteId =
      testSetup.configService.get('appConfig').forbiddenNoteIds[0];

    const moduleRef = testSetup.moduleRef;

    const config = moduleRef.get<ConfigService>(ConfigService);
    forbiddenNoteId = config.get('appConfig').forbiddenNoteIds[0];

    const authConfig = config.get('authConfig') as AuthConfig;
    setupSessionMiddleware(testSetup.app, authConfig);
    await testSetup.app.init();
    content = 'This is a test note.';
    historyService = moduleRef.get(HistoryService);
    const userService = moduleRef.get(UsersService);
    identityService = moduleRef.get(IdentityService);
    user = await userService.createUser('hardcoded', 'Testy');
    await identityService.createLocalIdentity(user, 'test');
    const notesService = moduleRef.get(NotesService);
    note = await notesService.createNote(content, user, 'note');
    note2 = await notesService.createNote(content, user, 'note2');
    agent = request.agent(testSetup.app.getHttpServer());
    await agent
      .post('/api/private/auth/local/login')
      .send({ username: 'hardcoded', password: 'test' })
      .expect(201);
  });

  it('GET /me/history', async () => {
    const emptyResponse = await agent
      .get('/api/private/me/history')
      .expect('Content-Type', /json/)
      .expect(200);
    expect(emptyResponse.body.length).toEqual(0);
    const entry = await testSetup.historyService.updateHistoryEntryTimestamp(
      note,
      user,
    );
    const entryDto = await testSetup.historyService.toHistoryEntryDto(entry);
    const response = await agent
      .get('/api/private/me/history')
      .expect('Content-Type', /json/)
      .expect(200);
    expect(response.body.length).toEqual(1);
    expect(response.body[0].identifier).toEqual(entryDto.identifier);
    expect(response.body[0].title).toEqual(entryDto.title);
    expect(response.body[0].tags).toEqual(entryDto.tags);
    expect(response.body[0].pinStatus).toEqual(entryDto.pinStatus);
    expect(response.body[0].lastVisitedAt).toEqual(
      entryDto.lastVisitedAt.toISOString(),
    );
  });

  describe('POST /me/history', () => {
    it('works', async () => {
      expect(
        await testSetup.historyService.getEntriesByUser(user),
      ).toHaveLength(1);
      const pinStatus = true;
      const lastVisited = new Date('2020-12-01 12:23:34');
      const postEntryDto = new HistoryEntryImportDto();
      postEntryDto.note = (await note2.aliases).filter(
        (alias) => alias.primary,
      )[0].name;
      postEntryDto.pinStatus = pinStatus;
      postEntryDto.lastVisited = lastVisited;
      await agent
        .post('/api/private/me/history')
        .set('Content-Type', 'application/json')
        .send(JSON.stringify({ history: [postEntryDto] }))
        .expect(201);
      const userEntries = await testSetup.historyService.getEntriesByUser(user);
      expect(userEntries.length).toEqual(1);
      expect((await userEntries[0].note.aliases)[0].name).toEqual(
        (await note2.aliases)[0].name,
      );
      expect((await userEntries[0].note.aliases)[0].primary).toEqual(
        (await note2.aliases)[0].primary,
      );
      expect((await userEntries[0].note.aliases)[0].id).toEqual(
        (await note2.aliases)[0].id,
      );
      expect(userEntries[0].user.username).toEqual(user.username);
      expect(userEntries[0].pinStatus).toEqual(pinStatus);
      expect(userEntries[0].updatedAt).toEqual(lastVisited);
    });
    describe('fails', () => {
      let pinStatus: boolean;
      let lastVisited: Date;
      let postEntryDto: HistoryEntryImportDto;
      let prevEntry: HistoryEntry;
      beforeAll(async () => {
        const previousHistory = await testSetup.historyService.getEntriesByUser(
          user,
        );
        expect(previousHistory).toHaveLength(1);
        prevEntry = previousHistory[0];
        pinStatus = !previousHistory[0].pinStatus;
        lastVisited = new Date('2020-12-01 23:34:45');
        postEntryDto = new HistoryEntryImportDto();
        postEntryDto.note = (await note2.aliases).filter(
          (alias) => alias.primary,
        )[0].name;
        postEntryDto.pinStatus = pinStatus;
        postEntryDto.lastVisited = lastVisited;
      });
      it('with forbiddenId', async () => {
        const brokenEntryDto = new HistoryEntryImportDto();
        brokenEntryDto.note = forbiddenNoteId;
        brokenEntryDto.pinStatus = pinStatus;
        brokenEntryDto.lastVisited = lastVisited;
        await agent
          .post('/api/private/me/history')
          .set('Content-Type', 'application/json')
          .send(JSON.stringify({ history: [brokenEntryDto] }))
          .expect(400);
      });
      it('with non-existing note', async () => {
        const brokenEntryDto = new HistoryEntryImportDto();
        brokenEntryDto.note = 'i_dont_exist';
        brokenEntryDto.pinStatus = pinStatus;
        brokenEntryDto.lastVisited = lastVisited;
        await agent
          .post('/api/private/me/history')
          .set('Content-Type', 'application/json')
          .send(JSON.stringify({ history: [brokenEntryDto] }))
          .expect(400);
      });
      afterEach(async () => {
        const historyEntries = await testSetup.historyService.getEntriesByUser(
          user,
        );
        expect(historyEntries).toHaveLength(1);
        expect(historyEntries[0].note.aliases).toEqual(prevEntry.note.aliases);
        expect(historyEntries[0].user.username).toEqual(
          prevEntry.user.username,
        );
        expect(historyEntries[0].pinStatus).toEqual(prevEntry.pinStatus);
        expect(historyEntries[0].updatedAt).toEqual(prevEntry.updatedAt);
      });
    });
  });

  it('DELETE /me/history', async () => {
    expect(
      (await testSetup.historyService.getEntriesByUser(user)).length,
    ).toEqual(1);
    await agent.delete('/api/private/me/history').expect(200);
    expect(
      (await testSetup.historyService.getEntriesByUser(user)).length,
    ).toEqual(0);
  });

  it('PUT /me/history/:note', async () => {
    const entry = await testSetup.historyService.updateHistoryEntryTimestamp(
      note2,
      user,
    );
    expect(entry.pinStatus).toBeFalsy();
    const alias = (await entry.note.aliases).filter((alias) => alias.primary)[0]
      .name;
    await agent
      .put(`/api/private/me/history/${alias || 'undefined'}`)
      .send({ pinStatus: true })
      .expect(200);
    const userEntries = await testSetup.historyService.getEntriesByUser(user);
    expect(userEntries.length).toEqual(1);
    expect(userEntries[0].pinStatus).toBeTruthy();
    await testSetup.historyService.deleteHistoryEntry(note2, user);
  });

  it('DELETE /me/history/:note', async () => {
    const entry = await historyService.updateHistoryEntryTimestamp(note2, user);
    const alias = (await entry.note.aliases).filter((alias) => alias.primary)[0]
      .name;
    const entry2 = await historyService.updateHistoryEntryTimestamp(note, user);
    const entryDto = await historyService.toHistoryEntryDto(entry2);
    await agent
      .delete(`/api/private/me/history/${alias || 'undefined'}`)
      .expect(200);
    const userEntries = await historyService.getEntriesByUser(user);
    expect(userEntries.length).toEqual(1);
    const userEntryDto = await historyService.toHistoryEntryDto(userEntries[0]);
    expect(userEntryDto.identifier).toEqual(entryDto.identifier);
    expect(userEntryDto.title).toEqual(entryDto.title);
    expect(userEntryDto.tags).toEqual(entryDto.tags);
    expect(userEntryDto.pinStatus).toEqual(entryDto.pinStatus);
    expect(userEntryDto.lastVisitedAt).toEqual(entryDto.lastVisitedAt);
  });

  afterAll(async () => {
    await testSetup.app.close();
  });
});