import { jest } from '@jest/globals';

import {
  MemoryBackend,
  NeDBBackend,
  MongoDBBackend,
  wrapBackend,
} from '../store/backends';

import { MONGODB_URI } from '../settings';

const MONGODB_DATABASE_TEST = process.env.MONGODB_DATABASE_TEST;

jest.mock('nanoid', () => {
  let count = 0;
  return {
    customAlphabet: () =>
      jest.fn(() => {
        return 'nanoid_' + count++;
      }),
  };
});

let delta = 0;

// Fake date
jest.spyOn(global.Date, 'now').mockImplementation(() => {
  delta += 1;
  return new Date(1584183719135 + delta * 1000).valueOf();
});

const backends = [
  ['memory', MemoryBackend()],
  //['NeDb', NeDBBackend({ filename: null, inMemoryOnly: true })],
];

if (MONGODB_DATABASE_TEST) {
  /*backends.push([
    'MongoDB',
    MongoDBBackend({ uri: MONGODB_URI, database: MONGODB_DATABASE_TEST }),
  ]);*/
}

describe.each(backends)(
  'Store backend <%s> tests',
  (backendName, rawBackend) => {
    let backend;

    beforeAll(async () => {
      backend = wrapBackend(rawBackend, 'siteid', 'userid');

      if (backendName === 'MongoDB') {
        const { MongoClient, ServerApiVersion } = await import('mongodb');
        const _client = new MongoClient(MONGODB_URI, {
          serverApi: ServerApiVersion.v1,
        });

        await _client.connect();
        await _client.db(MONGODB_DATABASE_TEST).dropDatabase();
        await _client.close();
      }
    });

    afterAll(async () => {
      if (backendName === 'MongoDB') {
        rawBackend._close();
      }
    });

    it('should get empty box', async () => {
      const box = 'boxid1';

      await expect(backend.list(box, {})).rejects.toThrow();

      // Create box
      await backend.createOrUpdateBox(box, { option: 1 });

      const res = await backend.list(box, {});
      expect(res).toEqual([]);
    });

    it('should add resource', async () => {
      const box = 'boxid2';
      // Create box
      await backend.createOrUpdateBox(box, { option: 1 });

      const res = await backend.save(box, null, { value: 42, test: true });
      expect(res).toEqual(expect.objectContaining({ test: true, value: 42 }));

      // Is return value ok
      expect(res._id).toBeDefined();
      expect(res._createdOn).toBeGreaterThanOrEqual(1584183661135);

      // Is get working
      const res2 = await backend.get(box, res._id);
      expect(res2).toEqual(res);

      // Is list updated
      const res3 = await backend.list(box);
      expect(res3[0]).toEqual(res);
    });

    it('should add resource with specified id', async () => {
      const box = 'boxId10';
      // Create box
      await backend.createOrUpdateBox(box, { option: 1 });

      const res = await backend.save(box, 'myid', {
        value: 42,
        test: true,
        _createdOn: 1,
      });
      expect(res).toEqual(expect.objectContaining({ test: true, value: 42 }));

      // Is return value ok
      expect(res._id).toBe('myid');
      expect(res._createdOn).toBeGreaterThanOrEqual(1584183661135);

      // Is get working
      const res2 = await backend.get(box, 'myid');
      expect(res2).toEqual(res);
    });

    it('should save resource with specified id', async () => {
      const box = 'boxId15';

      // Create box
      await backend.createOrUpdateBox(box, { option: 1 });

      const res = await backend.save(box, 'myid', { value: 42, test: true });
      expect(res).toEqual(expect.objectContaining({ test: true, value: 42 }));

      // Is return value ok
      expect(res._id).toBe('myid');
      expect(res._createdOn).toBeGreaterThanOrEqual(1584183661135);

      const resAfterSave = await backend.save(box, 'myid', {
        value: 45,
        foo: 18,
      });
      expect(resAfterSave).toEqual(
        expect.objectContaining({ foo: 18, value: 45 })
      );
      expect(resAfterSave).not.toEqual(expect.objectContaining({ test: true }));
      expect(resAfterSave._createdOn).toEqual(res._createdOn);
      expect(resAfterSave._updatedOn).toBeGreaterThanOrEqual(1584183661135);
    });

    it('should add tree resources', async () => {
      const box = 'boxid20';
      // Create box
      await backend.createOrUpdateBox(box, { option: 1 });

      const first = await backend.save(box, null, {
        value: 40,
        test: false,
      });
      expect(first).toEqual(
        expect.objectContaining({ test: false, value: 40 })
      );

      const second = await backend.save(box, null, {
        value: 42,
        test: true,
      });
      expect(second).toEqual(
        expect.objectContaining({ test: true, value: 42 })
      );

      const third = await backend.save(box, null, { value: 44 });
      expect(third).toEqual(expect.objectContaining({ value: 44 }));

      // Is get working
      const firstGet = await backend.get(box, first._id);
      expect(firstGet).toEqual(first);
      const secondGet = await backend.get(box, second._id);
      expect(secondGet).toEqual(second);

      // Is list updated
      const allResources = await backend.list(box, { sort: '_createdOn' });
      expect(allResources[0]).toEqual(first);
      expect(allResources[1]).toEqual(second);
      expect(allResources[2]).toEqual(third);
      expect(allResources.length).toBe(3);
    });

    it('should update resource', async () => {
      const box = 'boxid3';
      // Create box
      await backend.createOrUpdateBox(box, { option: 1 });

      const res = await backend.save(box, null, { value: 40, test: true });
      expect(res.value).toBe(40);

      const modified = await backend.update(box, res._id, { value: 42 });

      const afterModification = await backend.get(box, res._id);
      expect(afterModification).toEqual(modified);
      expect(afterModification.value).toBe(42);

      expect(afterModification._createdOn).toEqual(res._createdOn);
      expect(afterModification._updatedOn).toBeGreaterThanOrEqual(
        res._createdOn
      );
    });

    it('should delete resource', async () => {
      const box = 'boxid4';
      // Create box
      await backend.createOrUpdateBox(box, { option: 1 });

      const predel = await backend.delete(box, 'noid');
      expect(predel).toBe(0);

      const res = await backend.save(box, null, { value: 42, test: true });

      const allResources = await backend.list(box);
      expect(allResources.length).toBe(1);

      const del = await backend.delete(box, res._id);
      expect(del).toBe(1);

      const allResourcesAfterDelete = await backend.list(box);
      expect(allResourcesAfterDelete.length).toBe(0);

      const nodel = await backend.delete(box, res._id);
      expect(nodel).toBe(0);
    });

    it('should list resources', async () => {
      const box = 'boxId50';
      // Create box
      await backend.createOrUpdateBox(box, { option: 1 });

      const first = await backend.save(box, null, { value: 40, test: false });
      const second = await backend.save(box, null, { value: 44, test: true });
      const third = await backend.save(box, null, { value: 42 });
      const last = await backend.save(box, null, { value: 42 });

      // Is sort working
      const allResources = await backend.list(box, {
        sort: '_createdOn',
      });
      expect(allResources[0]).toEqual(first);
      expect(allResources[2]).toEqual(third);

      // Is sort working
      const allResourcesReverse = await backend.list(box, {
        sort: '_createdOn',
        asc: false,
      });
      expect(allResourcesReverse[3]).toEqual(first);
      expect(allResourcesReverse[0]).toEqual(last);

      const allResourcesReverse2 = await backend.list(box, {
        sort: 'value',
        asc: false,
      });
      expect(allResourcesReverse2[3]).toEqual(first);
      expect(allResourcesReverse2[0]).toEqual(second);

      // Is limit working
      const limitedResources = await backend.list(box, {
        sort: '_createdOn',
        limit: 1,
      });
      expect(limitedResources[0]).toEqual(first);
      expect(limitedResources.length).toBe(1);

      // Is skip working
      const skippedResources = await backend.list(box, {
        sort: '_createdOn',
        limit: 1,
        skip: 1,
      });
      expect(skippedResources[0]).toEqual(second);
      expect(skippedResources.length).toBe(1);

      // Is onlyFields working
      const filteredResources = await backend.list(box, {
        sort: '_createdOn',
        onlyFields: ['value'],
      });
      expect(filteredResources[0]).not.toEqual(
        expect.objectContaining({ test: false })
      );

      // Test queries
      console.log('si');
      const foundResources = await backend.list(box, {
        q: 'value  > 42',
      });

      expect(foundResources.length).toBe(1);

      const foundResources2 = await backend.list(box, {
        q: 'value > 42 and test = false',
      });

      expect(foundResources2.length).toBe(0);

      await expect(
        backend.list(box, {
          q: 'value > 42 and test = false bla bl',
        })
      ).rejects.toThrow();
    });

    it('should check security', async () => {
      const box = 'boxId51';
      // Create box
      await backend.createOrUpdateBox(box, { option: 1 });

      const first = await backend.save(box, null, { value: 40, test: false });
      const second = await backend.save(box, null, { value: 44, test: true });
      const third = await backend.save(box, null, { value: 42 });

      const result = await backend.checkSecurity(box, first._id, 'nokey');
      // FIXME
    });

    it('should throw error', async () => {
      const box = 'boxId60';

      await expect(backend.get(box, 'noid')).rejects.toThrow();
      await expect(
        backend.update(box, 'noid', { value: 'titi' })
      ).rejects.toThrow();

      // Create box
      await backend.createOrUpdateBox(box, { option: 1 });

      await expect(backend.get(box, 'noid')).rejects.toThrow();
      await expect(
        backend.update(box, 'noid', { value: 'titi' })
      ).rejects.toThrow();
    });

    it('should check security', async () => {
      const box = 'boxId70';

      // Create box
      await backend.createOrUpdateBox(box, { security: 'private' });

      await expect(backend.checkSecurity(box, null)).resolves.toBe(false);
      await expect(backend.checkSecurity(box, null, true)).resolves.toBe(false);

      // Update box to be readOnly
      await backend.createOrUpdateBox(box, { security: 'readOnly' });

      await expect(backend.checkSecurity(box, null)).resolves.toBe(true);
      await expect(backend.checkSecurity(box, null, true)).resolves.toBe(false);

      // Update box to be public
      await backend.createOrUpdateBox(box, { security: 'public' });

      await expect(backend.checkSecurity(box, null)).resolves.toBe(true);
      await expect(backend.checkSecurity(box, null, true)).resolves.toBe(true);

      // update box to be default privacy
      await backend.createOrUpdateBox(box);

      await expect(backend.checkSecurity(box, null)).resolves.toBe(false);
      await expect(backend.checkSecurity(box, null, true)).resolves.toBe(false);

      // update box to be bad value privacy
      await backend.createOrUpdateBox(box, { security: 'nosecurity' });

      await expect(backend.checkSecurity(box, null)).resolves.toBe(false);
      await expect(backend.checkSecurity(box, null, true)).resolves.toBe(false);
    });
  }
);