// *****************************************************************************
// Copyright 2022-2023 Aerospike, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License")
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// *****************************************************************************

'use strict'

/* eslint-env mocha */
/* global expect */
/* eslint-disable no-unused-expressions */

import type { Client, ConfigOptions, AerospikeBins, AerospikeRecord, BatchWriteRecord, BatchResult, AerospikeError, KeyOptions, BatchWritePolicy, BatchPolicy, BatchPolicyOptions, Key as K} from '../lib/aerospike.js';
import * as Aerospike from '../lib/aerospike.js';


import { expect, assert} from 'chai'; 
import * as helper from './test_helper.ts';

// const util = require('util')
const batchType = Aerospike.batchType
const status = Aerospike.status

const op = Aerospike.operations
const GeoJSON = Aerospike.GeoJSON

const keygen = helper.keygen
const metagen = helper.metagen
const recgen = helper.recgen
const putgen = helper.putgen
const valgen = helper.valgen

const Key = Aerospike.Key

describe('client.batchWrite()', function () {
  const client = helper.client
  before(function () {
    const nrecords: number = 20
    const generators: any = {
      keygen: keygen.string(helper.namespace, helper.set, { prefix: 'test/batch_write/', random: false }),
      recgen: recgen.record({
        i: valgen.integer(),
        s: valgen.string(),
        str2: valgen.string('hello'),
        l: () => [1, 2, 3],
        m: () => { return { a: 1, b: 2, c: 3 } }
      }),
      metagen: metagen.constant({ ttl: 1000 })
    }
    helper.udf.register('udf.lua')
    return putgen.put(nrecords, generators)
  })

  context('with batch write', function () {
    helper.skipUnlessVersion('>= 6.0.0', this)

    it('returns the status whether each key was found or not', function (done) {
      const batchRecords: BatchWriteRecord[] = [
        {
          type: batchType.BATCH_READ,
          key: new Key(helper.namespace, helper.set, 'test/batch_write/1'),
          readAllBins: true
        },
        {
          type: batchType.BATCH_READ,
          key: new Key(helper.namespace, helper.set, 'test/batch_write/2')
        },
        {
          type: batchType.BATCH_READ,
          key: new Key(helper.namespace, helper.set, 'test/batch_write/3')
        },
        {
          type: batchType.BATCH_READ,
          key: new Key(helper.namespace, helper.set, 'test/batch_write/no_such_key')
        },
        {
          type: batchType.BATCH_READ,
          key: new Key(helper.namespace, helper.set, 'test/batch_write/not_either')
        }
      ]

      client.batchWrite(batchRecords, function (err?: AerospikeError, results?: BatchResult[]) {
        const found: BatchResult[] = results?.filter(
          (result: BatchResult) => result?.status === Aerospike.status.OK) || []
        const inDoubt: BatchResult[] = results?.filter(
          (result: any) => result?.inDoubt === true) || []
        const notFound: BatchResult[] = results?.filter(
          (result: BatchResult) => result?.status === Aerospike.status.ERR_RECORD_NOT_FOUND) || []
        expect(err).not.to.be.ok
        expect(results?.length).to.equal(5)
        expect(found.length).to.equal(3 - inDoubt.length)
        expect(notFound.length).to.equal(2)
        done()
      })
    })

    it('returns only meta data if no bins are selected', function (done) {
      const batchWriteRecords = [
        {
          type: batchType.BATCH_WRITE,
          key: new Key(helper.namespace, helper.set, 'test/batch_write/4'),
          ops: [
            op.write('string', 'def'),
            op.write('geo', new GeoJSON({ type: 'Point', coordinates: [123.456, 1.308] })),
            op.write('blob', Buffer.from('bar')),
            op.append('str2', 'world')]
        },
        {
          type: batchType.BATCH_REMOVE,
          key: new Key(helper.namespace, helper.set, 'test/batch_write/5')
        }
      ]

      const batchReadRecords = [
        {
          type: batchType.BATCH_READ,
          key: new Key(helper.namespace, helper.set, 'test/batch_write/4'),
          readAllBins: true
        },
        {
          type: batchType.BATCH_READ,
          key: new Key(helper.namespace, helper.set, 'test/batch_write/5'),
          readAllBins: true
        },
        {
          type: batchType.BATCH_READ,
          key: new Key(helper.namespace, helper.set, 'test/batch_write/4')
        }
      ]

      client.batchWrite(batchWriteRecords, function (err?: AerospikeError, results?: BatchResult[]) {
        expect(err).to.be.null
        expect(results?.length).to.equal(2)
        expect(results?.[1].record.bins).to.be.empty
        client.batchWrite(batchReadRecords, function (err?: AerospikeError, results?: BatchResult[]) {
          expect(err).not.to.be.ok
          expect(results?.length).to.equal(3)
          expect(results?.[0].record.bins).to.have.all.keys('i', 's', 'l', 'm', 'str2', 'geo', 'blob', 'string')
          expect(results?.[1].status).to.equal(Aerospike.status.ERR_RECORD_NOT_FOUND)
          expect(results?.[2].record.bins).to.be.empty
          // results.forEach(function (result) {
          //   console.log(util.inspect(result, true, 10, true))
          // })
          done()
        })
      })
    })
  })

  context('with BatchPolicy', function () {
    helper.skipUnlessVersion('>= 6.0.0', this)

    it('returns list and map bins as byte buffers', function () {
      const batch = [{
        type: batchType.BATCH_READ,
        key: new Key(helper.namespace, helper.set, 'test/batch_write/6'),
        readAllBins: true
      }]
      const policy = new Aerospike.BatchPolicy({
        deserialize: false
      })

      return client.batchWrite(batch, policy)
        .then((results: any) => {
          const bins = results[0].record.bins
          expect(bins.i).to.be.a('number')
          expect(bins.s).to.be.a('string')
          expect(bins.l).to.be.instanceof(Buffer)
          expect(bins.m).to.be.instanceof(Buffer)
        })
    })

    it('returns a Promise that resolves to the batch results', function () {
      const batchRecords = [
        {
          type: batchType.BATCH_READ,
          key: new Key(helper.namespace, helper.set, 'test/batch_write/7'),
          readAllBins: true
        }
      ]

      return client.batchWrite(batchRecords)
        .then((results: BatchResult[]) => {
          expect(results.length).to.equal(1)
          return results.pop()
        })
        .then((result?: BatchResult) => {
          expect(result?.status).to.equal(status.OK)
          expect(result?.record).to.be.instanceof(Aerospike.Record)
        })
    })
  })

  context('with exists.IGNORE returning callback', function () {
    helper.skipUnlessVersion('>= 6.0.0', this)

    it('returns the status whether each key was found or not', function (done) {
      const batchRecords = [
        {
          type: batchType.BATCH_WRITE,
          key: new Key(helper.namespace, helper.set, 'test/batch_write/8'),
          ops: [
            op.write('geo', new GeoJSON({ type: 'Point', coordinates: [123.456, 1.308] })),
            op.write('blob', Buffer.from('bar'))
          ],
          policy: new Aerospike.BatchWritePolicy({
            exists: Aerospike.policy.exists.IGNORE
          })
        }

      ]

      client.batchWrite(batchRecords, function (error?: AerospikeError, results?: BatchResult[]) {
        if (error) throw error
        client.batchWrite(batchRecords, function (error?: AerospikeError, results?: BatchResult[]) {
          expect(error).not.to.be.ok
          expect(results?.[0].status).to.equal(status.OK)
          done()
        })
      })
    })
  })

  context('with exists.IGNORE returning promise', function () {
    helper.skipUnlessVersion('>= 6.0.0', this)

    it('returns the status whether each key was found or not', function () {
      const batchRecords: BatchWriteRecord[] = [
        {
          type: batchType.BATCH_WRITE,
          key: new Key(helper.namespace, helper.set, 'test/batch_write/9'),
          ops: [
            op.write('geo', new GeoJSON({ type: 'Point', coordinates: [123.456, 1.308] })),
            op.write('blob', Buffer.from('bar'))
          ],
          policy: new Aerospike.BatchWritePolicy({
            exists: Aerospike.policy.exists.IGNORE
          })
        }

      ]

      return client.batchWrite(batchRecords)
        .then((results: any) => {
          return client.batchWrite(batchRecords)
        })
        .then((results: any) => {
          expect(results[0].status).to.equal(status.OK)
        })
    })
  })

  context('with exists.CREATE returning callback', function () {
    helper.skipUnlessVersion('>= 6.0.0', this)

    it('returns the correct status and error value', function (done) {
      const batchRecords = [
        {
          type: batchType.BATCH_WRITE,
          key: new Key(helper.namespace, helper.set, 'test/batch_write/10'),
          ops: [
            op.write('geo', new GeoJSON({ type: 'Point', coordinates: [123.456, 1.308] })),
            op.write('blob', Buffer.from('bar'))
          ],
          policy: new Aerospike.BatchWritePolicy({
            exists: Aerospike.policy.exists.CREATE
          })
        }

      ]

      client.batchWrite(batchRecords, function (error?: AerospikeError, results?: BatchResult[]) {
        if (error) throw error
        client.batchWrite(batchRecords, function (error?: AerospikeError, results?: BatchResult[]) {
          expect(error).not.to.be.ok
          expect(results?.[0].status).to.equal(status.ERR_RECORD_EXISTS)
          done()
        })
      })
    })

    it('Returns correct status and error with async', async function () {
      const batchRecords = [
        {
          type: batchType.BATCH_WRITE,
          key: new Key(helper.namespace, helper.set, 'test/batch_write/11'),
          ops: [
            op.write('geo', new GeoJSON({ type: 'Point', coordinates: [123.456, 1.308] })),
            op.write('blob', Buffer.from('bar'))
          ],
          policy: new Aerospike.BatchWritePolicy({
            exists: Aerospike.policy.exists.CREATE
          })
        }

      ]

      await client.batchWrite(batchRecords)
      const results = await client.batchWrite(batchRecords)

      expect(results[0].status).to.equal(status.ERR_RECORD_EXISTS)
    })
  })

  context('with exists.CREATE returning promise', function () {
    helper.skipUnlessVersion('>= 6.0.0', this)

    it('returns the status whether each key was found or not', function () {
      const batchRecords = [
        {
          type: batchType.BATCH_WRITE,
          key: new Key(helper.namespace, helper.set, 'test/batch_write/11'),
          ops: [
            op.write('geo', new GeoJSON({ type: 'Point', coordinates: [123.456, 1.308] })),
            op.write('blob', Buffer.from('bar'))
          ],
          policy: new Aerospike.BatchWritePolicy({
            exists: Aerospike.policy.exists.CREATE
          })
        }

      ]
      return client.batchWrite(batchRecords)
        .then((results: any) => {
          return client.batchWrite(batchRecords)
        })
        .then((results: any) => {
          expect(results[0].status).to.equal(status.ERR_RECORD_EXISTS)
        })
    })
  })

  context('with exists.UPDATE return callback', function () {
    helper.skipUnlessVersion('>= 6.0.0', this)

    it('returns the status whether each key was found or not', function (done) {
      const batchRecords = [
        {
          type: batchType.BATCH_WRITE,
          key: new Key(helper.namespace, helper.set, 'test/batch_write/12'),
          ops: [
            op.write('geo', new GeoJSON({ type: 'Point', coordinates: [123.456, 1.308] })),
            op.write('blob', Buffer.from('bar'))
          ],
          policy: new Aerospike.BatchWritePolicy({
            exists: Aerospike.policy.exists.UPDATE
          })
        }

      ]

      client.remove(new Key(helper.namespace, helper.set, 'test/batch_write/12'), function (error?: AerospikeError, results?: KeyOptions) {
        if (error) throw error
        client.batchWrite(batchRecords, function (error?: AerospikeError, results?: BatchResult[]) {
          expect(error).not.to.be.ok
          expect(results?.[0].status).to.equal(status.ERR_RECORD_NOT_FOUND)
          done()
        })
      })
    })
  })

  context('with exists.UPDATE returning promise', function () {
    helper.skipUnlessVersion('>= 6.0.0', this)

    it('returns the status whether each key was found or not', function () {
      const batchRecords = [
        {
          type: batchType.BATCH_WRITE,
          key: new Key(helper.namespace, helper.set, 'test/batch_write/13'),
          ops: [
            op.write('geo', new GeoJSON({ type: 'Point', coordinates: [123.456, 1.308] })),
            op.write('blob', Buffer.from('bar'))
          ],
          policy: new Aerospike.BatchWritePolicy({
            exists: Aerospike.policy.exists.UPDATE
          })
        }

      ]

      return client.remove(new Key(helper.namespace, helper.set, 'test/batch_write/13'))
        .then((results: any) => {
          return client.batchWrite(batchRecords)
        })
        .then((results: any) => {
          expect(results[0].status).to.equal(status.ERR_RECORD_NOT_FOUND)
        })
    })
  })

  context('with exists.REPLACE return callback', function () {
    helper.skipUnlessVersion('>= 6.0.0', this)

    it('returns the status whether each key was found or not', function (done) {
      const batchRecords = [
        {
          type: batchType.BATCH_WRITE,
          key: new Key(helper.namespace, helper.set, 'test/batch_write/14'),
          ops: [
            op.write('geo', new GeoJSON({ type: 'Point', coordinates: [123.456, 1.308] })),
            op.write('blob', Buffer.from('bar'))
          ],
          policy: new Aerospike.BatchWritePolicy({
            exists: Aerospike.policy.exists.REPLACE
          })
        }

      ]

      client.remove(new Key(helper.namespace, helper.set, 'test/batch_write/14'), function (error?: AerospikeError, results?: KeyOptions) {
        if (error) throw error
        client.batchWrite(batchRecords, function (error?: AerospikeError, results?: BatchResult[]) {
          expect(error).not.to.be.ok
          done()
        })
      })
    })
  })

  context('with exists.REPLACE returning promise', function () {
    helper.skipUnlessVersion('>= 6.0.0', this)

    it('returns the status whether each key was found or not', function () {
      const batchRecords = [
        {
          type: batchType.BATCH_WRITE,
          key: new Key(helper.namespace, helper.set, 'test/batch_write/15'),
          ops: [
            op.write('geo', new GeoJSON({ type: 'Point', coordinates: [123.456, 1.308] })),
            op.write('blob', Buffer.from('bar'))
          ],
          policy: new Aerospike.BatchWritePolicy({
            exists: Aerospike.policy.exists.REPLACE
          })
        }

      ]

      return client.remove(new Key(helper.namespace, helper.set, 'test/batch_write/15'))
        .then((results?: KeyOptions) => {
          return client.batchWrite(batchRecords)
        })
        .then((results?: BatchResult[]) => {
          expect(results?.[0].status).to.equal(status.ERR_RECORD_NOT_FOUND)
        })
    })
  })

  context('with exists.CREATE_OR_REPLACE return callback', function () {
    helper.skipUnlessVersion('>= 6.0.0', this)

    it('returns the status whether each key was found or not', function (done) {
      const batchRecords = [
        {
          type: batchType.BATCH_WRITE,
          key: new Key(helper.namespace, helper.set, 'test/batch_write/16'),
          ops: [
            op.write('geo', new GeoJSON({ type: 'Point', coordinates: [123.456, 1.308] })),
            op.write('blob', Buffer.from('bar'))
          ],
          policy: new Aerospike.BatchWritePolicy({
            exists: Aerospike.policy.exists.CREATE_OR_REPLACE
          })
        }

      ]

      client.batchWrite(batchRecords, function (error?: AerospikeError, results?: BatchResult[]) {
        if (error) throw error
        client.batchWrite(batchRecords, function (error?: AerospikeError, results?: BatchResult[]) {
          expect(error).not.to.be.ok
          expect(results?.[0].status).to.equal(status.OK)
          done()
        })
      })
    })
  })

  context('with exists.CREATE_OR_REPLACE returning promise', function () {
    helper.skipUnlessVersion('>= 6.0.0', this)

    it('returns the status whether each key was found or not', function () {
      const batchRecords = [
        {
          type: batchType.BATCH_WRITE,
          key: new Key(helper.namespace, helper.set, 'test/batch_write/17'),
          ops: [
            op.write('geo', new GeoJSON({ type: 'Point', coordinates: [123.456, 1.308] })),
            op.write('blob', Buffer.from('bar'))
          ],
          policy: new Aerospike.BatchWritePolicy({
            exists: Aerospike.policy.exists.CREATE_OR_REPLACE
          })
        }

      ]

      return client.batchWrite(batchRecords)
        .then((results: any) => {
          return client.batchWrite(batchRecords)
        })
        .then((results: any) => {
          expect(results[0].status).to.equal(status.OK)
        })
    })
  })

  context('with BatchParentWritePolicy', function () {
    helper.skipUnlessVersion('>= 6.0.0', this)
    this.timeout(10000)
    it('returns list and map bins as byte buffers', async function () {
      const batch: BatchWriteRecord[] = [{
        type: batchType.BATCH_READ,
        key: new Key(helper.namespace, helper.set, 'test/batch_write/18'),
        readAllBins: true
      }]

      const config: ConfigOptions = {
        hosts: helper.config.hosts,
        user: helper.config.user,
        password: helper.config.password,
        policies: {
          batchParentWrite: new Aerospike.BatchPolicy({ socketTimeout: 0, totalTimeout: 0, deserialize: false })
        },
      }

      const dummyClient = await Aerospike.connect(config)
      try{
        const results: BatchResult[] = await dummyClient.batchWrite(batch)
        const bins: any = results[0].record.bins
        expect(bins.i).to.be.a('number')
        expect(bins.s).to.be.a('string')
        expect(bins.l).to.be.instanceof(Buffer)
        expect(bins.m).to.be.instanceof(Buffer)        
      }
      finally{
        await dummyClient.close()
      }
    })
  })

  context('with BatchWritePolicy ttl', function () {
    helper.skipUnlessVersion('>= 6.0.0', this)

    it('writes value with correct ttl', async function () {
      const batch: BatchWriteRecord[] = [{
        type: batchType.BATCH_WRITE,
        key: new Key(helper.namespace, helper.set, 'test/batch_write/19'),
        ops: [
          op.write('example', 35),
          op.write('blob', [4, 14, 28])
        ],
        policy: new Aerospike.BatchWritePolicy({
          exists: Aerospike.policy.exists.REPLACE,
          ttl: 1367
        })
      }]
      await client.batchWrite(batch)
      return client.get(new Key(helper.namespace, helper.set, 'test/batch_write/19'))
        .then((result: AerospikeRecord) => {
          const bins: AerospikeBins = result.bins
          expect(bins.example).to.be.a('number')
          expect(bins.blob).to.be.a('array')
          expect(result.ttl).to.be.within(1366, 1367)
        })
    })
  })
  
  context('Transaction tests', function () {
    helper.skipUnlessVersionAndEnterprise('>= 8.0.0', this)
    helper.skipUnlessStrongConsistency(this)
    it('onLockingOnly should fail when writing to a locked record using BATCH_WRITE', async function () {
      const key: any = new Key(helper.namespace, helper.set, 'test/batch_write/21')
      const key2: any = new Key(helper.namespace, helper.set, 'test/batch_write/22')

      const batchRecords: BatchWriteRecord[] = [
        {
          type: Aerospike.batchType.BATCH_WRITE,
          key: key,
          ops: [Aerospike.operations.write('exampleBin', 1)],
          policy: new Aerospike.BatchWritePolicy({
            onLockingOnly: true,
          })
        },
        {
          type: batchType.BATCH_WRITE,
          key: key2,
          ops: [Aerospike.operations.write('exampleBin', 1)],
          policy: new Aerospike.BatchWritePolicy({
            onLockingOnly: true,
          })
        }
      ]

      let mrt: any = new Aerospike.Transaction()



      const policy: BatchPolicyOptions = new Aerospike.BatchPolicy({
          txn: mrt,
      })

      await client.batchWrite(batchRecords, policy)

      try{
        let result = await client.batchWrite(batchRecords, policy)
        expect(result[0].status).to.eql(status.MRT_ALREADY_LOCKED)
      }
      catch(error: any){
        assert.fail('An error should not have been caught')
      }
      finally {
        await client.abort(mrt)
      }
      
    })

    it('onLockingOnly should fail when writing to a locked record using BATCH_APPLY', async function () {
      const key: any = new Key(helper.namespace, helper.set, 'test/batch_write/23')
      const key2: any = new Key(helper.namespace, helper.set, 'test/batch_write/24')


      await client.put(key, { foo: 45 }, { ttl: 1000 })
      await client.put(key2, { foo: 45 }, { ttl: 1000 })


      const batchRecords: any[] = [
        { type: batchType.BATCH_APPLY,
          key: key,
          policy: new Aerospike.BatchApplyPolicy({
            onLockingOnly: true,
          }),
          udf: {
            module: 'udf',
            funcname: 'updateRecord',
            args: ['foo', 50]
          }
        },

        { type: batchType.BATCH_APPLY,
          key: key2,
          policy: new Aerospike.BatchApplyPolicy({
            onLockingOnly: true,
          }),
          udf: {
            module: 'udf',
            funcname: 'updateRecord',
            args: ['foo', 50]
          }
        }


      ]

      let mrt: any = new Aerospike.Transaction()

      const policy: BatchPolicyOptions = new Aerospike.BatchPolicy({
        txn: mrt,
      })

      let result = await client.batchWrite(batchRecords, policy)

      try {
        let result = await client.batchWrite(batchRecords, policy)
        expect(result[0].status).to.eql(status.MRT_ALREADY_LOCKED)
      }
      catch(error: any){
        assert.fail('An error should not have been caught')
      }
      finally {
        await client.abort(mrt)
      }
      
    })

    it('Runs BATCH_WRITE with a single batch record an a command in a transaction', async function () {
      const key: any = new Key(helper.namespace, helper.set, 'test/batch_write/20')

      const batchRecords: BatchWriteRecord[] = [
        {
          type: Aerospike.batchType.BATCH_WRITE,
          key: key,
          ops: [Aerospike.operations.write('exampleBin', 1)],
          policy: new Aerospike.BatchWritePolicy({
            onLockingOnly: true,
          })
        },
      ]

      let mrt: any = new Aerospike.Transaction()

      const policy: BatchPolicyOptions = new Aerospike.BatchPolicy({
          txn: mrt,
      })

      try{
        let result = await client.batchWrite(batchRecords, policy)
        expect(result[0].status).to.eql(status.OK)
      }
      catch(error: any){
        assert.fail('An error should not have been caught')
      }
      finally {
        await client.abort(mrt)
      }
    })

  })

})