package discovery

import (
	"log"
	"reflect"
	"sync"
	"testing"

	omd "git.loafle.net/overflow/model/discovery"
	"git.loafle.net/overflow_scanner/probe/__test"
	"git.loafle.net/overflow_scanner/probe/discovery/session"
	"git.loafle.net/overflow_scanner/probe/discovery/types"
)

func TestInstance(t *testing.T) {
	i := Instance()

	tests := []struct {
		name string
		want Discoverer
	}{
		{
			name: "first",
			want: i,
		},
		{
			name: "second",
			want: i,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			if got := Instance(); !reflect.DeepEqual(got, tt.want) {
				t.Errorf("Instance() = %v, want %v", got, tt.want)
			}
		})
	}
}

func Test_ofDiscoverer_DiscoverHost(t *testing.T) {
	i := Instance()
	defer i.Shutdown()

	stopChan := make(chan struct{})

	go func() {
		for {
			select {
			case msg, ok := <-i.Message():
				if !ok {
					close(stopChan)
				}
				switch msg.Type() {
				case types.DiscoveryMessageTypeHost:
					log.Print("Discovered Host: ", msg.Data())
				case types.DiscoveryMessageTypePort:
					log.Print("Discovered Port: ", msg.Data())
				case types.DiscoveryMessageTypeService:
					log.Print("Discovered Service: ", msg.Data())
				case types.DiscoveryMessageTypeStart:
					log.Print("Discovery start: ", msg.Data())
				case types.DiscoveryMessageTypeStop:
					log.Print("Discovery stop: ", msg.Data())
					close(stopChan)
				default:
					// 	log.Print(msg.Data())
				}
			}
		}
	}()

	i.DiscoverHost(
		"testRequesterID",
		__test.Zone(),
		__test.DiscoverHost(
			__test.DiscoveryConfig(),
			1,
			254,
			__test.DiscoverPort(
				nil,
				1,
				65535,
				true,
				false,
				__test.DiscoverService(
					nil,
				),
			),
		),
	)

	select {
	case <-stopChan:
	}

	// type fields struct {
	// 	stopChan     chan struct{}
	// 	stopWg       sync.WaitGroup
	// 	requestQueue chan types.DiscoveryRequest
	// 	messageChan  chan types.DiscoveryMessage
	// }
	// type args struct {
	// 	requesterID string
	// 	zone        *omd.Zone
	// 	dh          *omd.DiscoverHost
	// }
	// tests := []struct {
	// 	name   string
	// 	fields fields
	// 	args   args
	// }{
	// 	// TODO: Add test cases.
	// }
	// for _, tt := range tests {
	// 	t.Run(tt.name, func(t *testing.T) {
	// 		d := &ofDiscoverer{
	// 			stopChan:     tt.fields.stopChan,
	// 			stopWg:       tt.fields.stopWg,
	// 			requestQueue: tt.fields.requestQueue,
	// 			messageChan:  tt.fields.messageChan,
	// 		}
	// 		d.DiscoverHost(tt.args.requesterID, tt.args.zone, tt.args.dh)
	// 	})
	// }
}

func Test_ofDiscoverer_DiscoverPort(t *testing.T) {
	type fields struct {
		stopChan     chan struct{}
		stopWg       sync.WaitGroup
		requestQueue chan types.DiscoveryRequest
		messageChan  chan types.DiscoveryMessage
	}
	type args struct {
		requesterID string
		host        *omd.Host
		dp          *omd.DiscoverPort
	}
	tests := []struct {
		name   string
		fields fields
		args   args
	}{
		// TODO: Add test cases.
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			d := &ofDiscoverer{
				stopChan:     tt.fields.stopChan,
				stopWg:       tt.fields.stopWg,
				requestQueue: tt.fields.requestQueue,
				messageChan:  tt.fields.messageChan,
			}
			d.DiscoverPort(tt.args.requesterID, tt.args.host, tt.args.dp)
		})
	}
}

func Test_ofDiscoverer_DiscoverService(t *testing.T) {
	type fields struct {
		stopChan     chan struct{}
		stopWg       sync.WaitGroup
		requestQueue chan types.DiscoveryRequest
		messageChan  chan types.DiscoveryMessage
	}
	type args struct {
		requesterID string
		port        *omd.Port
		ds          *omd.DiscoverService
	}
	tests := []struct {
		name   string
		fields fields
		args   args
	}{
		// TODO: Add test cases.
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			d := &ofDiscoverer{
				stopChan:     tt.fields.stopChan,
				stopWg:       tt.fields.stopWg,
				requestQueue: tt.fields.requestQueue,
				messageChan:  tt.fields.messageChan,
			}
			d.DiscoverService(tt.args.requesterID, tt.args.port, tt.args.ds)
		})
	}
}

func Test_ofDiscoverer_Message(t *testing.T) {
	type fields struct {
		stopChan     chan struct{}
		stopWg       sync.WaitGroup
		requestQueue chan types.DiscoveryRequest
		messageChan  chan types.DiscoveryMessage
	}
	tests := []struct {
		name   string
		fields fields
		want   <-chan types.DiscoveryMessage
	}{
		// TODO: Add test cases.
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			d := &ofDiscoverer{
				stopChan:     tt.fields.stopChan,
				stopWg:       tt.fields.stopWg,
				requestQueue: tt.fields.requestQueue,
				messageChan:  tt.fields.messageChan,
			}
			if got := d.Message(); !reflect.DeepEqual(got, tt.want) {
				t.Errorf("ofDiscoverer.Message() = %v, want %v", got, tt.want)
			}
		})
	}
}

func Test_ofDiscoverer_SendMessage(t *testing.T) {
	type fields struct {
		stopChan     chan struct{}
		stopWg       sync.WaitGroup
		requestQueue chan types.DiscoveryRequest
		messageChan  chan types.DiscoveryMessage
	}
	type args struct {
		discoveryRequest types.DiscoveryRequest
		messageType      types.DiscoveryMessageType
		data             interface{}
		err              error
	}
	tests := []struct {
		name   string
		fields fields
		args   args
	}{
		// TODO: Add test cases.
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			d := &ofDiscoverer{
				stopChan:     tt.fields.stopChan,
				stopWg:       tt.fields.stopWg,
				requestQueue: tt.fields.requestQueue,
				messageChan:  tt.fields.messageChan,
			}
			d.SendMessage(tt.args.discoveryRequest, tt.args.messageType, tt.args.data, tt.args.err)
		})
	}
}

func Test_ofDiscoverer_Shutdown(t *testing.T) {
	type fields struct {
		stopChan     chan struct{}
		stopWg       sync.WaitGroup
		requestQueue chan types.DiscoveryRequest
		messageChan  chan types.DiscoveryMessage
	}
	tests := []struct {
		name   string
		fields fields
	}{
		// TODO: Add test cases.
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			d := &ofDiscoverer{
				stopChan:     tt.fields.stopChan,
				stopWg:       tt.fields.stopWg,
				requestQueue: tt.fields.requestQueue,
				messageChan:  tt.fields.messageChan,
			}
			d.Shutdown()
		})
	}
}

func Test_ofDiscoverer_start(t *testing.T) {
	type fields struct {
		stopChan     chan struct{}
		stopWg       sync.WaitGroup
		requestQueue chan types.DiscoveryRequest
		messageChan  chan types.DiscoveryMessage
	}
	tests := []struct {
		name   string
		fields fields
	}{
		// TODO: Add test cases.
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			d := &ofDiscoverer{
				stopChan:     tt.fields.stopChan,
				stopWg:       tt.fields.stopWg,
				requestQueue: tt.fields.requestQueue,
				messageChan:  tt.fields.messageChan,
			}
			d.start()
		})
	}
}

func Test_ofDiscoverer_enqueue(t *testing.T) {
	type fields struct {
		stopChan     chan struct{}
		stopWg       sync.WaitGroup
		requestQueue chan types.DiscoveryRequest
		messageChan  chan types.DiscoveryMessage
	}
	type args struct {
		req *ofDiscoveryRequest
	}
	tests := []struct {
		name   string
		fields fields
		args   args
	}{
		// TODO: Add test cases.
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			d := &ofDiscoverer{
				stopChan:     tt.fields.stopChan,
				stopWg:       tt.fields.stopWg,
				requestQueue: tt.fields.requestQueue,
				messageChan:  tt.fields.messageChan,
			}
			d.enqueue(tt.args.req)
		})
	}
}

func Test_ofDiscoverer_handleRequest(t *testing.T) {
	type fields struct {
		stopChan     chan struct{}
		stopWg       sync.WaitGroup
		requestQueue chan types.DiscoveryRequest
		messageChan  chan types.DiscoveryMessage
	}
	tests := []struct {
		name   string
		fields fields
	}{
		// TODO: Add test cases.
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			d := &ofDiscoverer{
				stopChan:     tt.fields.stopChan,
				stopWg:       tt.fields.stopWg,
				requestQueue: tt.fields.requestQueue,
				messageChan:  tt.fields.messageChan,
			}
			d.handleRequest()
		})
	}
}

func Test_ofDiscoverer_discover(t *testing.T) {
	type fields struct {
		stopChan     chan struct{}
		stopWg       sync.WaitGroup
		requestQueue chan types.DiscoveryRequest
		messageChan  chan types.DiscoveryMessage
	}
	type args struct {
		req types.DiscoveryRequest
	}
	tests := []struct {
		name   string
		fields fields
		args   args
	}{
		// TODO: Add test cases.
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			d := &ofDiscoverer{
				stopChan:     tt.fields.stopChan,
				stopWg:       tt.fields.stopWg,
				requestQueue: tt.fields.requestQueue,
				messageChan:  tt.fields.messageChan,
			}
			d.discover(tt.args.req)
		})
	}
}

func Test_ofDiscoverer_complexDiscover(t *testing.T) {
	type fields struct {
		stopChan     chan struct{}
		stopWg       sync.WaitGroup
		requestQueue chan types.DiscoveryRequest
		messageChan  chan types.DiscoveryMessage
	}
	type args struct {
		s session.DiscoverySession
	}
	tests := []struct {
		name   string
		fields fields
		args   args
	}{
		// TODO: Add test cases.
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			d := &ofDiscoverer{
				stopChan:     tt.fields.stopChan,
				stopWg:       tt.fields.stopWg,
				requestQueue: tt.fields.requestQueue,
				messageChan:  tt.fields.messageChan,
			}
			d.complexDiscover(tt.args.s)
		})
	}
}

func Test_ofDiscoverer_hierarchyDiscover(t *testing.T) {
	type fields struct {
		stopChan     chan struct{}
		stopWg       sync.WaitGroup
		requestQueue chan types.DiscoveryRequest
		messageChan  chan types.DiscoveryMessage
	}
	type args struct {
		s session.DiscoverySession
	}
	tests := []struct {
		name   string
		fields fields
		args   args
	}{
		// TODO: Add test cases.
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			d := &ofDiscoverer{
				stopChan:     tt.fields.stopChan,
				stopWg:       tt.fields.stopWg,
				requestQueue: tt.fields.requestQueue,
				messageChan:  tt.fields.messageChan,
			}
			d.hierarchyDiscover(tt.args.s)
		})
	}
}