// 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.

package websocket

import (
	"github.com/stretchr/testify/mock"
)

// Mock mocks a websocket adaptor
type Mock struct {
	mock.Mock

	Token     string
	ReadChan  chan interface{}
	WriteChan chan interface{}
}

// NewMock create a new websocket adaptor mock, with helper read/write
// chans already created
func NewMock(accessToken string, writeChanBuffer uint) *Mock {
	return &Mock{
		Token:     accessToken,
		ReadChan:  make(chan interface{}),
		WriteChan: make(chan interface{}, writeChanBuffer),
	}
}

// AccessToken mocks token getter
func (m *Mock) AccessToken() string {
	args := m.Called()
	return args.String(0)
}

// OnAccessToken is a helper method to setup an "AccessToken()" handler
// with the mock accessToken
func (m *Mock) OnAccessToken() *mock.Call {
	return m.On("AccessToken").Return(m.Token)
}

// Read mocks read channel getter
func (m *Mock) Read() <-chan interface{} {
	args := m.Called()
	return args.Get(0).(<-chan interface{})
}

// OnRead is a helper method to setup a "Read()" handler
// with the mock readChan
func (m *Mock) OnRead() *mock.Call {
	var readOnlyChan <-chan interface{} = m.ReadChan
	return m.On("Read").Return(readOnlyChan)
}

// Write mocks write channel getter
func (m *Mock) Write() chan<- interface{} {
	args := m.Called()
	return args.Get(0).(chan<- interface{})
}

// OnWrite is a helper method to setup a "Write()" handler
// with the mock writeChan
func (m *Mock) OnWrite() *mock.Call {
	var writeOnlyChan chan<- interface{} = m.WriteChan
	return m.On("Write").Return(writeOnlyChan)
}