sinon = require 'sinon'
sinon_chai = require 'sinon-chai'
chai = require 'chai'

should = do chai.should
chai.use sinon_chai

BaseCRUD = require '../../service/lib/base-crud.coffee'
Talk = require '../../service/models/talk.coffee'

CRUDCtrl = new BaseCRUD Talk

mock = require '../mock.coffee'

do require '../db.coffee'

describe 'CRUD', ->
	describe '#create', ->

		it 'returns promise and resolves it with created document', (done) ->

			talk = mock.talk

			success = (content) ->
				content.should.exist
				do done

			failure = ->

			CRUDCtrl.create talk
				.then success, failure

		it '''returns promise and rejects \
					it with err if document to create is invalid''', (done) ->

			talk = mock.invalid_talk

			success = ->

			failure = (err) ->
				err.should.exist
				do done

			CRUDCtrl.create talk
				.then success, failure

	describe '#read', ->

		it 'returns promise and resolves it with whole collection', (done) ->

			mock.talks 10, (mocked) ->

				success = (content) ->
					content.length.should.equal mocked.length
					do done

				failure = ->

				CRUDCtrl.read()
					.then success, failure

	describe '#get_by_id', ->

		it 'returns promise and resolves it with found document', (done) ->

			mock.talks 10, (mocked) ->

				success = (found) ->
					found.should.exist
					do done

				failure = ->

				id = mocked[2]._id

				CRUDCtrl.get_by_id id
					.then success, failure

	describe '#update', ->

		it 'returns promise and resolves it with updated document', (done) ->

			mock.talks 10, (mocked) ->

				updated_talk = mock.updated_talk
				id = mocked[2]._id

				success = (updated) ->
					updated.duration.should.equal updated_talk.duration
					updated.topic.should.equal updated_talk.topic
					do done

				failure = (err)->
					console.log err
					do done

				CRUDCtrl.update id, updated_talk
					.then success, failure

		it 'returns promise and rejects it if updates are invalid', (done) ->

			mock.talks 10, (mocked) ->

				invalid = mock.invalid_talk
				id = mocked[2]._id

				success = ->

				failure = (err) ->
					err.should.exist
					do done

				CRUDCtrl.update id, invalid
					.then success, failure

	describe '#delete', ->

		it 'returns promise and resolves it with deleted document', (done) ->

			mock.talks 10, (mocked) ->

				id = mocked[2]._id

				success = (deleted) ->
					deleted.should.exist
					do done

				failure = ->

				CRUDCtrl.delete id
					.then success, failure

		it 'returns promise and resolves it with \'null\' if document to delete is not found', (done) ->

			id = new mock.ObjectId

			success = (deleted) ->
				should.not.exist deleted
				do done

			failure = ->

			CRUDCtrl.delete id
				.then success, failure