package main

import (
	"net/netip"
	"testing"

	"github.com/sagernet/sing-box/common/tls"
	C "github.com/sagernet/sing-box/constant"
	"github.com/sagernet/sing-box/option"
	"github.com/sagernet/sing/common"
	"github.com/sagernet/sing/common/json/badoption"

	"github.com/gofrs/uuid/v5"
)

func TestKTLS(t *testing.T) {
	_, certPem, keyPem := createSelfSignedCertificate(t, "example.org")
	startInstance(t, option.Options{
		Inbounds: []option.Inbound{
			{
				Type: C.TypeMixed,
				Tag:  "mixed-in",
				Options: &option.HTTPMixedInboundOptions{
					ListenOptions: option.ListenOptions{
						Listen:     common.Ptr(badoption.Addr(netip.IPv4Unspecified())),
						ListenPort: clientPort,
					},
				},
			},
			{
				Type: C.TypeTrojan,
				Options: &option.TrojanInboundOptions{
					ListenOptions: option.ListenOptions{
						Listen:     common.Ptr(badoption.Addr(netip.IPv4Unspecified())),
						ListenPort: serverPort,
					},
					Users: []option.TrojanUser{
						{
							Name:     "sekai",
							Password: "password",
						},
					},
					InboundTLSOptionsContainer: option.InboundTLSOptionsContainer{
						TLS: &option.InboundTLSOptions{
							Enabled:         true,
							ServerName:      "example.org",
							CertificatePath: certPem,
							KeyPath:         keyPem,
							// KernelTx:        true,
						},
					},
				},
			},
		},
		Outbounds: []option.Outbound{
			{
				Type: C.TypeDirect,
			},
			{
				Type: C.TypeTrojan,
				Tag:  "trojan-out",
				Options: &option.TrojanOutboundOptions{
					ServerOptions: option.ServerOptions{
						Server:     "127.0.0.1",
						ServerPort: serverPort,
					},
					Password: "password",
					OutboundTLSOptionsContainer: option.OutboundTLSOptionsContainer{
						TLS: &option.OutboundTLSOptions{
							Enabled:         true,
							ServerName:      "example.org",
							CertificatePath: certPem,
							KernelTx:        true,
							KernelRx:        true,
						},
					},
				},
			},
		},
		Route: &option.RouteOptions{
			Rules: []option.Rule{
				{
					Type: C.RuleTypeDefault,
					DefaultOptions: option.DefaultRule{
						RawDefaultRule: option.RawDefaultRule{
							Inbound: []string{"mixed-in"},
						},
						RuleAction: option.RuleAction{
							Action: C.RuleActionTypeRoute,

							RouteOptions: option.RouteActionOptions{
								Outbound: "trojan-out",
							},
						},
					},
				},
			},
		},
	})
	testSuit(t, clientPort, testPort)
}

func TestKTLSECH(t *testing.T) {
	_, certPem, keyPem := createSelfSignedCertificate(t, "example.org")
	echConfig, echKey := common.Must2(tls.ECHKeygenDefault("not.example.org"))
	startInstance(t, option.Options{
		Inbounds: []option.Inbound{
			{
				Type: C.TypeMixed,
				Tag:  "mixed-in",
				Options: &option.HTTPMixedInboundOptions{
					ListenOptions: option.ListenOptions{
						Listen:     common.Ptr(badoption.Addr(netip.IPv4Unspecified())),
						ListenPort: clientPort,
					},
				},
			},
			{
				Type: C.TypeTrojan,
				Options: &option.TrojanInboundOptions{
					ListenOptions: option.ListenOptions{
						Listen:     common.Ptr(badoption.Addr(netip.IPv4Unspecified())),
						ListenPort: serverPort,
					},
					Users: []option.TrojanUser{
						{
							Name:     "sekai",
							Password: "password",
						},
					},
					InboundTLSOptionsContainer: option.InboundTLSOptionsContainer{
						TLS: &option.InboundTLSOptions{
							Enabled:         true,
							ServerName:      "example.org",
							CertificatePath: certPem,
							KeyPath:         keyPem,
							KernelTx:        true,
							ECH: &option.InboundECHOptions{
								Enabled: true,
								Key:     []string{echKey},
							},
						},
					},
				},
			},
		},
		Outbounds: []option.Outbound{
			{
				Type: C.TypeDirect,
			},
			{
				Type: C.TypeTrojan,
				Tag:  "trojan-out",
				Options: &option.TrojanOutboundOptions{
					ServerOptions: option.ServerOptions{
						Server:     "127.0.0.1",
						ServerPort: serverPort,
					},
					Password: "password",
					OutboundTLSOptionsContainer: option.OutboundTLSOptionsContainer{
						TLS: &option.OutboundTLSOptions{
							Enabled:         true,
							ServerName:      "example.org",
							CertificatePath: certPem,
							KernelTx:        true,
							KernelRx:        true,
							ECH: &option.OutboundECHOptions{
								Enabled: true,
								Config:  []string{echConfig},
							},
						},
					},
				},
			},
		},
		Route: &option.RouteOptions{
			Rules: []option.Rule{
				{
					Type: C.RuleTypeDefault,
					DefaultOptions: option.DefaultRule{
						RawDefaultRule: option.RawDefaultRule{
							Inbound: []string{"mixed-in"},
						},
						RuleAction: option.RuleAction{
							Action: C.RuleActionTypeRoute,

							RouteOptions: option.RouteActionOptions{
								Outbound: "trojan-out",
							},
						},
					},
				},
			},
		},
	})
	testSuit(t, clientPort, testPort)
}

func TestKTLSReality(t *testing.T) {
	user, _ := uuid.NewV4()
	startInstance(t, option.Options{
		Inbounds: []option.Inbound{
			{
				Type: C.TypeMixed,
				Tag:  "mixed-in",
				Options: &option.HTTPMixedInboundOptions{
					ListenOptions: option.ListenOptions{
						Listen:     common.Ptr(badoption.Addr(netip.IPv4Unspecified())),
						ListenPort: clientPort,
					},
				},
			},
			{
				Type: C.TypeVLESS,
				Options: &option.VLESSInboundOptions{
					ListenOptions: option.ListenOptions{
						Listen:     common.Ptr(badoption.Addr(netip.IPv4Unspecified())),
						ListenPort: serverPort,
					},
					Users: []option.VLESSUser{{UUID: user.String()}},
					InboundTLSOptionsContainer: option.InboundTLSOptionsContainer{
						TLS: &option.InboundTLSOptions{
							Enabled:    true,
							ServerName: "google.com",
							KernelTx:   true,
							Reality: &option.InboundRealityOptions{
								Enabled: true,
								Handshake: option.InboundRealityHandshakeOptions{
									ServerOptions: option.ServerOptions{
										Server:     "google.com",
										ServerPort: 443,
									},
								},
								ShortID:    []string{"0123456789abcdef"},
								PrivateKey: "UuMBgl7MXTPx9inmQp2UC7Jcnwc6XYbwDNebonM-FCc",
							},
						},
					},
				},
			},
		},
		Outbounds: []option.Outbound{
			{
				Type: C.TypeDirect,
			},
			{
				Type: C.TypeVLESS,
				Tag:  "ss-out",
				Options: &option.VLESSOutboundOptions{
					ServerOptions: option.ServerOptions{
						Server:     "127.0.0.1",
						ServerPort: serverPort,
					},
					UUID: user.String(),
					OutboundTLSOptionsContainer: option.OutboundTLSOptionsContainer{
						TLS: &option.OutboundTLSOptions{
							Enabled:    true,
							ServerName: "google.com",
							KernelTx:   true,
							KernelRx:   true,
							Reality: &option.OutboundRealityOptions{
								Enabled:   true,
								ShortID:   "0123456789abcdef",
								PublicKey: "jNXHt1yRo0vDuchQlIP6Z0ZvjT3KtzVI-T4E7RoLJS0",
							},
							UTLS: &option.OutboundUTLSOptions{
								Enabled: true,
							},
						},
					},
				},
			},
		},
		Route: &option.RouteOptions{
			Rules: []option.Rule{
				{
					Type: C.RuleTypeDefault,
					DefaultOptions: option.DefaultRule{
						RawDefaultRule: option.RawDefaultRule{
							Inbound: []string{"mixed-in"},
						},
						RuleAction: option.RuleAction{
							Action: C.RuleActionTypeRoute,

							RouteOptions: option.RouteActionOptions{
								Outbound: "ss-out",
							},
						},
					},
				},
			},
		},
	})
	testSuit(t, clientPort, testPort)
}