package hst

import (
	"reflect"
	"runtime"
	"strings"

	. "github.com/onsi/ginkgo/v2"
)

const (
	SingleTopoContainerVpp   = "vpp"
	SingleTopoContainerNginx = "nginx"
	TapInterfaceName         = "htaphost"
)

var noTopoTests = map[string][]func(s *NoTopoSuite){}
var noTopoSoloTests = map[string][]func(s *NoTopoSuite){}

type NoTopoSuite struct {
	HstSuite
}

func RegisterNoTopoTests(tests ...func(s *NoTopoSuite)) {
	noTopoTests[getTestFilename()] = tests
}
func RegisterNoTopoSoloTests(tests ...func(s *NoTopoSuite)) {
	noTopoSoloTests[getTestFilename()] = tests
}

func (s *NoTopoSuite) SetupSuite() {
	s.HstSuite.SetupSuite()
	s.LoadNetworkTopology("tap")
	s.LoadContainerTopology("single")
}

func (s *NoTopoSuite) SetupTest() {
	s.HstSuite.SetupTest()

	// Setup test conditions
	var sessionConfig Stanza
	sessionConfig.
		NewStanza("session").
		Append("enable").
		Append("use-app-socket-api").Close()

	container := s.GetContainerByName(SingleTopoContainerVpp)
	vpp, _ := container.newVppInstance(container.AllocatedCpus, sessionConfig)
	s.AssertNil(vpp.Start())

	tapInterface := s.GetInterfaceByName(TapInterfaceName)

	s.AssertNil(vpp.createTap(tapInterface), "failed to create tap interface")
}

var _ = Describe("NoTopoSuite", Ordered, ContinueOnFailure, func() {
	var s NoTopoSuite
	BeforeAll(func() {
		s.SetupSuite()
	})
	BeforeEach(func() {
		s.SetupTest()
	})
	AfterAll(func() {
		s.TearDownSuite()
	})
	AfterEach(func() {
		s.TearDownTest()
	})

	for filename, tests := range noTopoTests {
		for _, test := range tests {
			test := test
			pc := reflect.ValueOf(test).Pointer()
			funcValue := runtime.FuncForPC(pc)
			testName := filename + "/" + strings.Split(funcValue.Name(), ".")[2]
			It(testName, func(ctx SpecContext) {
				s.Log(testName + ": BEGIN")
				test(&s)
			}, SpecTimeout(SuiteTimeout))
		}
	}
})

var _ = Describe("NoTopoSuiteSolo", Ordered, ContinueOnFailure, Serial, func() {
	var s NoTopoSuite
	BeforeAll(func() {
		s.SetupSuite()
	})
	BeforeEach(func() {
		s.SetupTest()
	})
	AfterAll(func() {
		s.TearDownSuite()
	})
	AfterEach(func() {
		s.TearDownTest()
	})

	for filename, tests := range noTopoSoloTests {
		for _, test := range tests {
			test := test
			pc := reflect.ValueOf(test).Pointer()
			funcValue := runtime.FuncForPC(pc)
			testName := filename + "/" + strings.Split(funcValue.Name(), ".")[2]
			It(testName, Label("SOLO"), func(ctx SpecContext) {
				s.Log(testName + ": BEGIN")
				test(&s)
			}, SpecTimeout(SuiteTimeout))
		}
	}
})