import 'reflect-metadata'

import { Repository, SelectQueryBuilder } from 'typeorm'
import { ContentType } from '@standardnotes/common'

import { Item } from '../../Domain/Item/Item'

import { MySQLItemRepository } from './MySQLItemRepository'
import { TimerInterface } from '@standardnotes/time'
import { ReadStream } from 'fs'

describe('MySQLItemRepository', () => {
  let queryBuilder: SelectQueryBuilder<Item>
  let ormRepository: Repository<Item>
  let item: Item
  let timer: TimerInterface

  const createRepository = () => new MySQLItemRepository(ormRepository)

  beforeEach(() => {
    queryBuilder = {} as jest.Mocked<SelectQueryBuilder<Item>>

    item = {} as jest.Mocked<Item>
    timer = {} as jest.Mocked<TimerInterface>
    timer.getTimestampInMicroseconds = jest.fn(() => 1616161616161616)

    ormRepository = {} as jest.Mocked<Repository<Item>>
    ormRepository.save = jest.fn()
    ormRepository.remove = jest.fn()
    ormRepository.createQueryBuilder = jest.fn().mockImplementation(() => queryBuilder)
  })

  it('should save', async () => {
    await createRepository().save(item)

    expect(ormRepository.save).toHaveBeenCalledWith(item)
  })

  it('should remove', async () => {
    await createRepository().remove(item)

    expect(ormRepository.remove).toHaveBeenCalledWith(item)
  })

  it('should delete all items for a given user', async () => {
    queryBuilder.where = jest.fn().mockReturnThis()
    queryBuilder.delete = jest.fn().mockReturnThis()
    queryBuilder.from = jest.fn().mockReturnThis()
    queryBuilder.execute = jest.fn()

    await createRepository().deleteByUserUuid('123')

    expect(queryBuilder.delete).toHaveBeenCalled()

    expect(queryBuilder.from).toHaveBeenCalledWith('items')
    expect(queryBuilder.where).toHaveBeenCalledWith('user_uuid = :userUuid', { userUuid: '123' })

    expect(queryBuilder.execute).toHaveBeenCalled()
  })

  it('should find one item by uuid and user uuid', async () => {
    queryBuilder.where = jest.fn().mockReturnThis()
    queryBuilder.getOne = jest.fn().mockReturnValue(item)

    const result = await createRepository().findByUuidAndUserUuid('1-2-3', '2-3-4')

    expect(queryBuilder.where).toHaveBeenCalledWith('item.uuid = :uuid AND item.user_uuid = :userUuid', {
      uuid: '1-2-3',
      userUuid: '2-3-4',
    })
    expect(result).toEqual(item)
  })

  it('should find one item by uuid', async () => {
    queryBuilder.where = jest.fn().mockReturnThis()
    queryBuilder.getOne = jest.fn().mockReturnValue(item)

    const result = await createRepository().findByUuid('1-2-3')

    expect(queryBuilder.where).toHaveBeenCalledWith('item.uuid = :uuid', {
      uuid: '1-2-3',
    })
    expect(result).toEqual(item)
  })

  it('should find items by all query criteria filled in', async () => {
    queryBuilder.getMany = jest.fn().mockReturnValue([item])
    queryBuilder.where = jest.fn()
    queryBuilder.andWhere = jest.fn()
    queryBuilder.orderBy = jest.fn()
    queryBuilder.skip = jest.fn()
    queryBuilder.take = jest.fn()

    const result = await createRepository().findAll({
      userUuid: '1-2-3',
      sortBy: 'updated_at_timestamp',
      sortOrder: 'DESC',
      deleted: false,
      contentType: ContentType.Note,
      lastSyncTime: 123,
      syncTimeComparison: '>=',
      uuids: ['2-3-4'],
      offset: 1,
      limit: 10,
    })

    expect(queryBuilder.where).toHaveBeenCalledTimes(1)
    expect(queryBuilder.andWhere).toHaveBeenCalledTimes(4)
    expect(queryBuilder.where).toHaveBeenNthCalledWith(1, 'item.user_uuid = :userUuid', { userUuid: '1-2-3' })
    expect(queryBuilder.andWhere).toHaveBeenNthCalledWith(1, 'item.uuid IN (:...uuids)', { uuids: ['2-3-4'] })
    expect(queryBuilder.andWhere).toHaveBeenNthCalledWith(2, 'item.deleted = :deleted', { deleted: false })
    expect(queryBuilder.andWhere).toHaveBeenNthCalledWith(3, 'item.content_type = :contentType', {
      contentType: 'Note',
    })
    expect(queryBuilder.andWhere).toHaveBeenNthCalledWith(4, 'item.updated_at_timestamp >= :lastSyncTime', {
      lastSyncTime: 123,
    })
    expect(queryBuilder.skip).toHaveBeenCalledWith(1)
    expect(queryBuilder.take).toHaveBeenCalledWith(10)

    expect(queryBuilder.orderBy).toHaveBeenCalledWith('item.updated_at_timestamp', 'DESC')

    expect(result).toEqual([item])
  })

  it('should stream items by all query criteria filled in', async () => {
    const stream = {} as jest.Mocked<ReadStream>
    queryBuilder.stream = jest.fn().mockReturnValue(stream)
    queryBuilder.where = jest.fn()
    queryBuilder.andWhere = jest.fn()
    queryBuilder.orderBy = jest.fn()
    queryBuilder.skip = jest.fn()
    queryBuilder.take = jest.fn()

    const result = await createRepository().streamAll({
      userUuid: '1-2-3',
      sortBy: 'updated_at_timestamp',
      sortOrder: 'DESC',
      deleted: false,
      contentType: ContentType.Note,
      lastSyncTime: 123,
      syncTimeComparison: '>=',
      uuids: ['2-3-4'],
      offset: 1,
      limit: 10,
    })

    expect(queryBuilder.where).toHaveBeenCalledTimes(1)
    expect(queryBuilder.andWhere).toHaveBeenCalledTimes(4)
    expect(queryBuilder.where).toHaveBeenNthCalledWith(1, 'item.user_uuid = :userUuid', { userUuid: '1-2-3' })
    expect(queryBuilder.andWhere).toHaveBeenNthCalledWith(1, 'item.uuid IN (:...uuids)', { uuids: ['2-3-4'] })
    expect(queryBuilder.andWhere).toHaveBeenNthCalledWith(2, 'item.deleted = :deleted', { deleted: false })
    expect(queryBuilder.andWhere).toHaveBeenNthCalledWith(3, 'item.content_type = :contentType', {
      contentType: 'Note',
    })
    expect(queryBuilder.andWhere).toHaveBeenNthCalledWith(4, 'item.updated_at_timestamp >= :lastSyncTime', {
      lastSyncTime: 123,
    })
    expect(queryBuilder.skip).toHaveBeenCalledWith(1)
    expect(queryBuilder.take).toHaveBeenCalledWith(10)

    expect(queryBuilder.orderBy).toHaveBeenCalledWith('item.updated_at_timestamp', 'DESC')

    expect(result).toEqual(stream)
  })

  it('should find items content sizes by all query criteria filled in', async () => {
    queryBuilder.getRawMany = jest.fn().mockReturnValue([{ uuid: item.uuid, contentSize: item.contentSize }])
    queryBuilder.where = jest.fn()
    queryBuilder.andWhere = jest.fn()
    queryBuilder.orderBy = jest.fn()
    queryBuilder.select = jest.fn()
    queryBuilder.addSelect = jest.fn()
    queryBuilder.skip = jest.fn()
    queryBuilder.take = jest.fn()

    const result = await createRepository().findContentSizeForComputingTransferLimit({
      userUuid: '1-2-3',
      sortBy: 'updated_at_timestamp',
      sortOrder: 'DESC',
      deleted: false,
      contentType: ContentType.Note,
      lastSyncTime: 123,
      syncTimeComparison: '>=',
      uuids: ['2-3-4'],
      offset: 1,
      limit: 10,
    })

    expect(queryBuilder.select).toHaveBeenCalledWith('item.uuid', 'uuid')
    expect(queryBuilder.addSelect).toHaveBeenCalledWith('item.content_size', 'contentSize')
    expect(queryBuilder.where).toHaveBeenCalledTimes(1)
    expect(queryBuilder.andWhere).toHaveBeenCalledTimes(4)
    expect(queryBuilder.where).toHaveBeenNthCalledWith(1, 'item.user_uuid = :userUuid', { userUuid: '1-2-3' })
    expect(queryBuilder.andWhere).toHaveBeenNthCalledWith(1, 'item.uuid IN (:...uuids)', { uuids: ['2-3-4'] })
    expect(queryBuilder.andWhere).toHaveBeenNthCalledWith(2, 'item.deleted = :deleted', { deleted: false })
    expect(queryBuilder.andWhere).toHaveBeenNthCalledWith(3, 'item.content_type = :contentType', {
      contentType: 'Note',
    })
    expect(queryBuilder.andWhere).toHaveBeenNthCalledWith(4, 'item.updated_at_timestamp >= :lastSyncTime', {
      lastSyncTime: 123,
    })
    expect(queryBuilder.skip).toHaveBeenCalledWith(1)
    expect(queryBuilder.take).toHaveBeenCalledWith(10)

    expect(queryBuilder.orderBy).toHaveBeenCalledWith('item.updated_at_timestamp', 'DESC')

    expect(result).toEqual([item])
  })

  it('should find items by all query criteria filled in', async () => {
    queryBuilder.getMany = jest.fn().mockReturnValue([item])
    queryBuilder.where = jest.fn()
    queryBuilder.andWhere = jest.fn()
    queryBuilder.orderBy = jest.fn()
    queryBuilder.skip = jest.fn()
    queryBuilder.take = jest.fn()

    const result = await createRepository().findAll({
      userUuid: '1-2-3',
      sortBy: 'updated_at_timestamp',
      sortOrder: 'DESC',
      deleted: false,
      contentType: ContentType.Note,
      lastSyncTime: 123,
      syncTimeComparison: '>=',
      uuids: ['2-3-4'],
      offset: 1,
      limit: 10,
    })

    expect(queryBuilder.where).toHaveBeenCalledTimes(1)
    expect(queryBuilder.andWhere).toHaveBeenCalledTimes(4)
    expect(queryBuilder.where).toHaveBeenNthCalledWith(1, 'item.user_uuid = :userUuid', { userUuid: '1-2-3' })
    expect(queryBuilder.andWhere).toHaveBeenNthCalledWith(1, 'item.uuid IN (:...uuids)', { uuids: ['2-3-4'] })
    expect(queryBuilder.andWhere).toHaveBeenNthCalledWith(2, 'item.deleted = :deleted', { deleted: false })
    expect(queryBuilder.andWhere).toHaveBeenNthCalledWith(3, 'item.content_type = :contentType', {
      contentType: 'Note',
    })
    expect(queryBuilder.andWhere).toHaveBeenNthCalledWith(4, 'item.updated_at_timestamp >= :lastSyncTime', {
      lastSyncTime: 123,
    })
    expect(queryBuilder.skip).toHaveBeenCalledWith(1)
    expect(queryBuilder.take).toHaveBeenCalledWith(10)

    expect(queryBuilder.orderBy).toHaveBeenCalledWith('item.updated_at_timestamp', 'DESC')

    expect(result).toEqual([item])
  })

  it('should count items by all query criteria filled in', async () => {
    queryBuilder.getCount = jest.fn().mockReturnValue(1)
    queryBuilder.where = jest.fn()
    queryBuilder.andWhere = jest.fn()
    queryBuilder.orderBy = jest.fn()
    queryBuilder.skip = jest.fn()
    queryBuilder.take = jest.fn()

    const result = await createRepository().countAll({
      userUuid: '1-2-3',
      sortBy: 'updated_at_timestamp',
      sortOrder: 'DESC',
      deleted: false,
      contentType: ContentType.Note,
      lastSyncTime: 123,
      syncTimeComparison: '>=',
      uuids: ['2-3-4'],
      offset: 1,
      limit: 10,
    })

    expect(queryBuilder.where).toHaveBeenCalledTimes(1)
    expect(queryBuilder.andWhere).toHaveBeenCalledTimes(4)
    expect(queryBuilder.where).toHaveBeenNthCalledWith(1, 'item.user_uuid = :userUuid', { userUuid: '1-2-3' })
    expect(queryBuilder.andWhere).toHaveBeenNthCalledWith(1, 'item.uuid IN (:...uuids)', { uuids: ['2-3-4'] })
    expect(queryBuilder.andWhere).toHaveBeenNthCalledWith(2, 'item.deleted = :deleted', { deleted: false })
    expect(queryBuilder.andWhere).toHaveBeenNthCalledWith(3, 'item.content_type = :contentType', {
      contentType: 'Note',
    })
    expect(queryBuilder.andWhere).toHaveBeenNthCalledWith(4, 'item.updated_at_timestamp >= :lastSyncTime', {
      lastSyncTime: 123,
    })
    expect(queryBuilder.skip).toHaveBeenCalledWith(1)
    expect(queryBuilder.take).toHaveBeenCalledWith(10)

    expect(queryBuilder.orderBy).toHaveBeenCalledWith('item.updated_at_timestamp', 'DESC')

    expect(result).toEqual(1)
  })

  it('should find items by only mandatory query criteria', async () => {
    queryBuilder.getMany = jest.fn().mockReturnValue([item])
    queryBuilder.where = jest.fn()
    queryBuilder.orderBy = jest.fn()

    const result = await createRepository().findAll({
      sortBy: 'updated_at_timestamp',
      sortOrder: 'DESC',
    })

    expect(queryBuilder.orderBy).toHaveBeenCalledWith('item.updated_at_timestamp', 'DESC')

    expect(result).toEqual([item])
  })

  it('should find dates for computing integrity hash', async () => {
    queryBuilder.getRawMany = jest
      .fn()
      .mockReturnValue([{ updated_at_timestamp: 1616164633241312 }, { updated_at_timestamp: 1616164633242313 }])
    queryBuilder.select = jest.fn()
    queryBuilder.where = jest.fn()
    queryBuilder.andWhere = jest.fn()

    const result = await createRepository().findDatesForComputingIntegrityHash('1-2-3')

    expect(queryBuilder.select).toHaveBeenCalledWith('item.updated_at_timestamp')
    expect(queryBuilder.where).toHaveBeenCalledTimes(1)
    expect(queryBuilder.where).toHaveBeenNthCalledWith(1, 'item.user_uuid = :userUuid', { userUuid: '1-2-3' })
    expect(queryBuilder.andWhere).toHaveBeenCalledTimes(1)
    expect(queryBuilder.andWhere).toHaveBeenNthCalledWith(1, 'item.deleted = :deleted', { deleted: false })

    expect(result.length).toEqual(2)
    expect(result[0]).toEqual({ updated_at_timestamp: 1616164633242313 })
    expect(result[1]).toEqual({ updated_at_timestamp: 1616164633241312 })
  })

  it('should find items for computing integrity payloads', async () => {
    queryBuilder.getRawMany = jest.fn().mockReturnValue([
      { uuid: '1-2-3', updated_at_timestamp: 1616164633241312, content_type: ContentType.Note },
      { uuid: '2-3-4', updated_at_timestamp: 1616164633242313, content_type: ContentType.ItemsKey },
    ])
    queryBuilder.select = jest.fn()
    queryBuilder.addSelect = jest.fn()
    queryBuilder.where = jest.fn()
    queryBuilder.andWhere = jest.fn()

    const result = await createRepository().findItemsForComputingIntegrityPayloads('1-2-3')

    expect(queryBuilder.select).toHaveBeenCalledWith('item.uuid', 'uuid')
    expect(queryBuilder.addSelect).toHaveBeenNthCalledWith(1, 'item.updated_at_timestamp', 'updated_at_timestamp')
    expect(queryBuilder.addSelect).toHaveBeenNthCalledWith(2, 'item.content_type', 'content_type')
    expect(queryBuilder.where).toHaveBeenCalledTimes(1)
    expect(queryBuilder.where).toHaveBeenNthCalledWith(1, 'item.user_uuid = :userUuid', { userUuid: '1-2-3' })
    expect(queryBuilder.andWhere).toHaveBeenCalledTimes(1)
    expect(queryBuilder.andWhere).toHaveBeenNthCalledWith(1, 'item.deleted = :deleted', { deleted: false })

    expect(result.length).toEqual(2)
    expect(result[0]).toEqual({
      uuid: '2-3-4',
      updated_at_timestamp: 1616164633242313,
      content_type: ContentType.ItemsKey,
    })
    expect(result[1]).toEqual({ uuid: '1-2-3', updated_at_timestamp: 1616164633241312, content_type: ContentType.Note })
  })

  it('should find item by uuid and mark it for deletion', async () => {
    queryBuilder.where = jest.fn().mockReturnThis()
    queryBuilder.update = jest.fn().mockReturnThis()
    queryBuilder.update().set = jest.fn().mockReturnThis()
    queryBuilder.execute = jest.fn()

    const item = { uuid: 'e-1-2-3' } as jest.Mocked<Item>
    const updatedAtTimestamp = timer.getTimestampInMicroseconds()
    await createRepository().markItemsAsDeleted([item.uuid], updatedAtTimestamp)

    expect(queryBuilder.update).toHaveBeenCalled()
    expect(queryBuilder.update().set).toHaveBeenCalledWith(
      expect.objectContaining({
        deleted: true,
        content: null,
        encItemKey: null,
        authHash: null,
        updatedAtTimestamp: expect.anything(),
      }),
    )
    expect(queryBuilder.where).toHaveBeenCalledWith('uuid IN (:...uuids)', {
      uuids: ['e-1-2-3'],
    })
    expect(queryBuilder.execute).toHaveBeenCalled()
  })

  it('should update item content size', async () => {
    queryBuilder.where = jest.fn().mockReturnThis()
    queryBuilder.update = jest.fn().mockReturnThis()
    queryBuilder.update().set = jest.fn().mockReturnThis()
    queryBuilder.execute = jest.fn()

    await createRepository().updateContentSize('1-2-3', 345)

    expect(queryBuilder.update).toHaveBeenCalled()
    expect(queryBuilder.update().set).toHaveBeenCalledWith(
      expect.objectContaining({
        contentSize: 345,
      }),
    )
    expect(queryBuilder.where).toHaveBeenCalledWith('uuid = :itemUuid', {
      itemUuid: '1-2-3',
    })
    expect(queryBuilder.execute).toHaveBeenCalled()
  })
})