// 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'

const async = require('async')
const helpers = require('../../helpers/integration')
const harness = helpers.harness(__filename)
const it = harness.it
// const db = harness.locals.db
const nano = harness.locals.nano

// let replica
// let replica2
// let replica3

it('should insert a bunch of items', helpers.insertThree)

it('creates a bunch of database replicas', function (assert) {
  async.forEach(['database_replica', 'database_replica2', 'database_replica3'],
    nano.db.create, function (error) {
      assert.equal(error, null, 'created database(s)')
      assert.end()
    })
})
/*
it('should be able to replicate (replicator) three docs', function (assert) {
  assert.timeoutAfter(10000)
  replica = nano.use('database_replica')
  db.replication.enable('database_replica', function (error, data) {
    assert.equal(error, null, 'replication should not fail')
    assert.true(data, 'replication should be scheduled')
    assert.true(data.ok, 'replication should be scheduled')
    assert.true(data.id, 'replication should return the id to query back')
    function waitForReplication () {
      setTimeout(function () {
        db.replication.query(data.id, function (error, reply) {
          assert.equal(error, null, 'replication should not fail')
          // assert.equal(reply.target, 'database_replica', 'target db should match')
          assert.equal(reply._replication_state, 'completed', 'replication should have triggered')
          replica.list(function (error, list) {
            assert.equal(error, null, 'should be able to invoke list')
            assert.equal(list['total_rows'], 3, 'and have three documents')
            db.replication.disable(reply._id, reply._rev, function (error, disabled) {
              assert.equal(error, null, 'replication should not fail')
              assert.true(disabled, 'should not be null')
              assert.true(disabled.ok, 'should have stopped the replication')
              assert.end()
            })
          })
        })
      },
      4500)
    }
    waitForReplication()
  })
})
*/
/*
it('should be able to replicate (replicator) to a `nano` object', function (assert) {
  replica2 = nano.use('database_replica2')
  nano.db.replication.enable(db, 'database_replica2', function (error, data) {
    assert.equal(error, null, 'replication should not fail')
    assert.true(data, 'replication should be scheduled')
    assert.true(data.ok, 'replication should be scheduled')
    assert.true(data.id, 'replication should return the id to query back')
    function waitForReplication () {
      setTimeout(function () {
        nano.db.replication.query(data.id, function (error, reply) {
          assert.equal(error, null, 'replication should not fail')
          // assert.equal(reply.target, 'database_replica2', 'target db should match')
          assert.equal(reply._replication_state, 'completed', 'replication should have triggered')
          replica2.list(function (error, list) {
            assert.equal(error, null, 'should be able to invoke list')
            assert.equal(list['total_rows'], 3, 'and have three documents')
            nano.db.replication.disable(reply._id, reply._rev, function (error, disabled) {
              assert.equal(error, null, 'replication should not fail')
              assert.true(disabled, 'should not be null')
              assert.true(disabled.ok, 'should have stopped the replication')
              assert.end()
            })
          })
        })
      },
      4500)
    }
    waitForReplication()
  })
})
*/
/*
it('should be able to replicate (replicator) with params', function (assert) {
  assert.timeoutAfter(10000)
  replica3 = nano.use('database_replica3')
  db.replication.enable('database_replica3', {}, function (error, data) {
    assert.equal(error, null, 'replication should not fail')
    assert.true(data, 'replication should be scheduled')
    assert.true(data.ok, 'replication should be scheduled')
    assert.true(data.id, 'replication should return the id to query back')
    function waitForReplication () {
      setTimeout(function () {
        db.replication.query(data.id, function (error, reply) {
          assert.equal(error, null, 'replication should not fail')
          // assert.equal(reply.target, 'database_replica3', 'target db should match')
          assert.equal(reply._replication_state, 'completed', 'replication should have triggered')
          replica3.list(function (error, list) {
            assert.equal(error, null, 'should be able to invoke list')
            assert.equal(list['total_rows'], 3, 'and have three documents')
            db.replication.disable(reply._id, reply._rev, function (error, disabled) {
              assert.equal(error, null, 'replication should not fail')
              assert.true(disabled, 'should not be null')
              assert.true(disabled.ok, 'should have stopped the replication')
              assert.end()
            })
          })
        })
      },
      8500)
    }
    waitForReplication()
  })
})
*/

it('should destroy the extra databases', function (assert) {
  async.forEach(['database_replica', 'database_replica2', 'database_replica3'],
    nano.db.destroy, function (error) {
      assert.equal(error, null, 'deleted databases')
      assert.end()
    })
})