/*
 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

     https://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 remote

import (
	"testing"

	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"

	"opendev.org/airship/airshipctl/pkg/config"
	"opendev.org/airship/airshipctl/pkg/environment"
	"opendev.org/airship/airshipctl/pkg/remote/redfish"
	"opendev.org/airship/airshipctl/testutil"
	"opendev.org/airship/airshipctl/testutil/redfishutils"
)

const (
	systemID   = "server-100"
	isoURL     = "https://localhost:8080/ubuntu.iso"
	redfishURL = "https://redfish.local"
)

func initSettings(t *testing.T, rd *config.RemoteDirect, testdata string) *environment.AirshipCTLSettings {
	t.Helper()
	settings := &environment.AirshipCTLSettings{}
	settings.SetConfig(testutil.DummyConfig())
	bi, err := settings.Config().CurrentContextBootstrapInfo()
	require.NoError(t, err)
	bi.RemoteDirect = rd
	cm, err := settings.Config().CurrentContextManifest()
	require.NoError(t, err)
	cm.TargetPath = "testdata/" + testdata
	return settings
}

func TestUnknownRemoteType(t *testing.T) {
	s := initSettings(
		t,
		&config.RemoteDirect{
			RemoteType: "new-remote",
			IsoURL:     "/test.iso",
		},
		"base",
	)

	_, err := NewAdapter(s)
	_, ok := err.(*GenericError)
	assert.True(t, ok)
}

func TestRedfishRemoteDirectWithEmptyURL(t *testing.T) {
	s := initSettings(
		t,
		&config.RemoteDirect{
			RemoteType: "redfish",
			IsoURL:     "/test.iso",
		},
		"emptyurl",
	)

	_, err := NewAdapter(s)
	_, ok := err.(redfish.ErrRedfishMissingConfig)
	assert.True(t, ok)
}

func TestRedfishRemoteDirectWithEmptyIsoPath(t *testing.T) {
	s := initSettings(
		t,
		&config.RemoteDirect{
			RemoteType: "redfish",
			IsoURL:     "",
		},
		"base",
	)

	_, err := NewAdapter(s)
	_, ok := err.(redfish.ErrRedfishMissingConfig)
	assert.True(t, ok)
}

func TestBootstrapRemoteDirectMissingConfigOpts(t *testing.T) {
	s := initSettings(
		t,
		nil,
		"base",
	)

	_, err := NewAdapter(s)
	_, ok := err.(config.ErrMissingConfig)
	assert.True(t, ok)
}

func TestDoRemoteDirectRedfish(t *testing.T) {
	cfg := &config.RemoteDirect{
		RemoteType: redfish.ClientType,
		IsoURL:     isoURL,
	}

	// Initialize a remote direct adapter
	settings := initSettings(t, cfg, "base")
	a, err := NewAdapter(settings)
	assert.NoError(t, err)

	ctx, rMock, err := redfishutils.NewClient(systemID, isoURL, redfishURL, false, false, "admin", "password")
	assert.NoError(t, err)

	rMock.On("SetVirtualMedia", a.Context, isoURL).Times(1).Return(nil)
	rMock.On("SetEphemeralBootSourceByType", a.Context).Times(1).Return(nil)
	rMock.On("EphemeralNodeID").Times(1).Return(systemID)
	rMock.On("RebootSystem", a.Context, systemID).Times(1).Return(nil)

	// Swap the redfish client initialized by the remote direct adapter with the above mocked client
	a.Context = ctx
	a.OOBClient = rMock

	err = a.DoRemoteDirect()
	assert.NoError(t, err)
}

func TestDoRemoteDirectRedfishVirtualMediaError(t *testing.T) {
	cfg := &config.RemoteDirect{
		RemoteType: redfish.ClientType,
		IsoURL:     isoURL,
	}

	// Initialize a remote direct adapter
	settings := initSettings(t, cfg, "base")
	a, err := NewAdapter(settings)
	assert.NoError(t, err)

	ctx, rMock, err := redfishutils.NewClient(systemID, isoURL, redfishURL, false, false, "admin", "password")
	assert.NoError(t, err)

	expectedErr := redfish.ErrRedfishClient{Message: "Unable to set virtual media."}
	rMock.On("SetVirtualMedia", a.Context, isoURL).Times(1).Return(expectedErr)
	rMock.On("SetEphemeralBootSourceByType", a.Context).Times(1).Return(nil)
	rMock.On("EphemeralNodeID").Times(1).Return(systemID)
	rMock.On("RebootSystem", a.Context, systemID).Times(1).Return(nil)

	// Swap the redfish client initialized by the remote direct adapter with the above mocked client
	a.Context = ctx
	a.OOBClient = rMock

	err = a.DoRemoteDirect()
	_, ok := err.(redfish.ErrRedfishClient)
	assert.True(t, ok)
}

func TestDoRemoteDirectRedfishBootSourceError(t *testing.T) {
	cfg := &config.RemoteDirect{
		RemoteType: redfish.ClientType,
		IsoURL:     isoURL,
	}

	// Initialize a remote direct adapter
	settings := initSettings(t, cfg, "base")
	a, err := NewAdapter(settings)
	assert.NoError(t, err)

	ctx, rMock, err := redfishutils.NewClient(systemID, isoURL, redfishURL, false, false, "admin", "password")
	assert.NoError(t, err)

	rMock.On("SetVirtualMedia", a.Context, isoURL).Times(1).Return(nil)

	expectedErr := redfish.ErrRedfishClient{Message: "Unable to set boot source."}
	rMock.On("SetEphemeralBootSourceByType", a.Context).Times(1).Return(expectedErr)
	rMock.On("EphemeralNodeID").Times(1).Return(systemID)
	rMock.On("RebootSystem", a.Context, systemID).Times(1).Return(nil)

	// Swap the redfish client initialized by the remote direct adapter with the above mocked client
	a.Context = ctx
	a.OOBClient = rMock

	err = a.DoRemoteDirect()
	_, ok := err.(redfish.ErrRedfishClient)
	assert.True(t, ok)
}

func TestDoRemoteDirectRedfishRebootError(t *testing.T) {
	cfg := &config.RemoteDirect{
		RemoteType: redfish.ClientType,
		IsoURL:     isoURL,
	}

	// Initialize a remote direct adapter
	settings := initSettings(t, cfg, "base")
	a, err := NewAdapter(settings)
	assert.NoError(t, err)

	ctx, rMock, err := redfishutils.NewClient(systemID, isoURL, redfishURL, false, false, "admin", "password")
	assert.NoError(t, err)

	rMock.On("SetVirtualMedia", a.Context, isoURL).Times(1).Return(nil)
	rMock.On("SetEphemeralBootSourceByType", a.Context).Times(1).Return(nil)
	rMock.On("EphemeralNodeID").Times(1).Return(systemID)

	expectedErr := redfish.ErrRedfishClient{Message: "Unable to set boot source."}
	rMock.On("RebootSystem", a.Context, systemID).Times(1).Return(expectedErr)

	// Swap the redfish client initialized by the remote direct adapter with the above mocked client
	a.Context = ctx
	a.OOBClient = rMock

	err = a.DoRemoteDirect()
	_, ok := err.(redfish.ErrRedfishClient)
	assert.True(t, ok)
}