// Copyright (c) Tailscale Inc & contributors
// SPDX-License-Identifier: BSD-3-Clause

// Code generated by tailscale/cmd/viewer; DO NOT EDIT.

package ipn

import (
	jsonv1 "encoding/json"
	"errors"
	"net/netip"

	jsonv2 "github.com/go-json-experiment/json"
	"github.com/go-json-experiment/json/jsontext"
	"tailscale.com/drive"
	"tailscale.com/tailcfg"
	"tailscale.com/types/opt"
	"tailscale.com/types/persist"
	"tailscale.com/types/preftype"
	"tailscale.com/types/views"
)

//go:generate go run tailscale.com/cmd/cloner  -clonefunc=false -type=LoginProfile,Prefs,ServeConfig,ServiceConfig,TCPPortHandler,HTTPHandler,WebServerConfig

// View returns a read-only view of LoginProfile.
func (p *LoginProfile) View() LoginProfileView {
	return LoginProfileView{ж: p}
}

// LoginProfileView provides a read-only view over LoginProfile.
//
// Its methods should only be called if `Valid()` returns true.
type LoginProfileView struct {
	// ж is the underlying mutable value, named with a hard-to-type
	// character that looks pointy like a pointer.
	// It is named distinctively to make you think of how dangerous it is to escape
	// to callers. You must not let callers be able to mutate it.
	ж *LoginProfile
}

// Valid reports whether v's underlying value is non-nil.
func (v LoginProfileView) Valid() bool { return v.ж != nil }

// AsStruct returns a clone of the underlying value which aliases no memory with
// the original.
func (v LoginProfileView) AsStruct() *LoginProfile {
	if v.ж == nil {
		return nil
	}
	return v.ж.Clone()
}

// MarshalJSON implements [jsonv1.Marshaler].
func (v LoginProfileView) MarshalJSON() ([]byte, error) {
	return jsonv1.Marshal(v.ж)
}

// MarshalJSONTo implements [jsonv2.MarshalerTo].
func (v LoginProfileView) MarshalJSONTo(enc *jsontext.Encoder) error {
	return jsonv2.MarshalEncode(enc, v.ж)
}

// UnmarshalJSON implements [jsonv1.Unmarshaler].
func (v *LoginProfileView) UnmarshalJSON(b []byte) error {
	if v.ж != nil {
		return errors.New("already initialized")
	}
	if len(b) == 0 {
		return nil
	}
	var x LoginProfile
	if err := jsonv1.Unmarshal(b, &x); err != nil {
		return err
	}
	v.ж = &x
	return nil
}

// UnmarshalJSONFrom implements [jsonv2.UnmarshalerFrom].
func (v *LoginProfileView) UnmarshalJSONFrom(dec *jsontext.Decoder) error {
	if v.ж != nil {
		return errors.New("already initialized")
	}
	var x LoginProfile
	if err := jsonv2.UnmarshalDecode(dec, &x); err != nil {
		return err
	}
	v.ж = &x
	return nil
}

// ID is a unique identifier for this profile.
// It is assigned on creation and never changes.
// It may seem redundant to have both ID and UserProfile.ID
// but they are different things. UserProfile.ID may change
// over time (e.g. if a device is tagged).
func (v LoginProfileView) ID() ProfileID { return v.ж.ID }

// Name is the user-visible name of this profile.
// It is filled in from the UserProfile.LoginName field.
func (v LoginProfileView) Name() string { return v.ж.Name }

// NetworkProfile is a subset of netmap.NetworkMap that we
// store to remember information about the tailnet that this
// profile was logged in with.
//
// This field was added on 2023-11-17.
func (v LoginProfileView) NetworkProfile() NetworkProfile { return v.ж.NetworkProfile }

// Key is the StateKey under which the profile is stored.
// It is assigned once at profile creation time and never changes.
func (v LoginProfileView) Key() StateKey { return v.ж.Key }

// UserProfile is the server provided UserProfile for this profile.
// This is updated whenever the server provides a new UserProfile.
func (v LoginProfileView) UserProfile() tailcfg.UserProfile { return v.ж.UserProfile }

// NodeID is the NodeID of the node that this profile is logged into.
// This should be stable across tagging and untagging nodes.
// It may seem redundant to check against both the UserProfile.UserID
// and the NodeID. However the NodeID can change if the node is deleted
// from the admin panel.
func (v LoginProfileView) NodeID() tailcfg.StableNodeID { return v.ж.NodeID }

// LocalUserID is the user ID of the user who created this profile.
// It is only relevant on Windows where we have a multi-user system.
// It is assigned once at profile creation time and never changes.
func (v LoginProfileView) LocalUserID() WindowsUserID { return v.ж.LocalUserID }

// ControlURL is the URL of the control server that this profile is logged
// into.
func (v LoginProfileView) ControlURL() string { return v.ж.ControlURL }

// A compilation failure here means this code must be regenerated, with the command at the top of this file.
var _LoginProfileViewNeedsRegeneration = LoginProfile(struct {
	ID             ProfileID
	Name           string
	NetworkProfile NetworkProfile
	Key            StateKey
	UserProfile    tailcfg.UserProfile
	NodeID         tailcfg.StableNodeID
	LocalUserID    WindowsUserID
	ControlURL     string
}{})

// View returns a read-only view of Prefs.
func (p *Prefs) View() PrefsView {
	return PrefsView{ж: p}
}

// PrefsView provides a read-only view over Prefs.
//
// Its methods should only be called if `Valid()` returns true.
type PrefsView struct {
	// ж is the underlying mutable value, named with a hard-to-type
	// character that looks pointy like a pointer.
	// It is named distinctively to make you think of how dangerous it is to escape
	// to callers. You must not let callers be able to mutate it.
	ж *Prefs
}

// Valid reports whether v's underlying value is non-nil.
func (v PrefsView) Valid() bool { return v.ж != nil }

// AsStruct returns a clone of the underlying value which aliases no memory with
// the original.
func (v PrefsView) AsStruct() *Prefs {
	if v.ж == nil {
		return nil
	}
	return v.ж.Clone()
}

// MarshalJSON implements [jsonv1.Marshaler].
func (v PrefsView) MarshalJSON() ([]byte, error) {
	return jsonv1.Marshal(v.ж)
}

// MarshalJSONTo implements [jsonv2.MarshalerTo].
func (v PrefsView) MarshalJSONTo(enc *jsontext.Encoder) error {
	return jsonv2.MarshalEncode(enc, v.ж)
}

// UnmarshalJSON implements [jsonv1.Unmarshaler].
func (v *PrefsView) UnmarshalJSON(b []byte) error {
	if v.ж != nil {
		return errors.New("already initialized")
	}
	if len(b) == 0 {
		return nil
	}
	var x Prefs
	if err := jsonv1.Unmarshal(b, &x); err != nil {
		return err
	}
	v.ж = &x
	return nil
}

// UnmarshalJSONFrom implements [jsonv2.UnmarshalerFrom].
func (v *PrefsView) UnmarshalJSONFrom(dec *jsontext.Decoder) error {
	if v.ж != nil {
		return errors.New("already initialized")
	}
	var x Prefs
	if err := jsonv2.UnmarshalDecode(dec, &x); err != nil {
		return err
	}
	v.ж = &x
	return nil
}

// ControlURL is the URL of the control server to use.
//
// If empty, the default for new installs, DefaultControlURL
// is used. It's set non-empty once the daemon has been started
// for the first time.
//
// TODO(apenwarr): Make it safe to update this with EditPrefs().
// Right now, you have to pass it in the initial prefs in Start(),
// which is the only code that actually uses the ControlURL value.
// It would be more consistent to restart controlclient
// automatically whenever this variable changes.
//
// Meanwhile, you have to provide this as part of
// Options.LegacyMigrationPrefs or Options.UpdatePrefs when
// calling Backend.Start().
func (v PrefsView) ControlURL() string { return v.ж.ControlURL }

// RouteAll specifies whether to accept subnets advertised by
// other nodes on the Tailscale network. Note that this does not
// include default routes (0.0.0.0/0 and ::/0), those are
// controlled by ExitNodeID/IP below.
func (v PrefsView) RouteAll() bool { return v.ж.RouteAll }

// ExitNodeID and ExitNodeIP specify the node that should be used
// as an exit node for internet traffic. At most one of these
// should be non-zero.
//
// The preferred way to express the chosen node is ExitNodeID, but
// in some cases it's not possible to use that ID (e.g. in the
// linux CLI, before tailscaled has a netmap). For those
// situations, we allow specifying the exit node by IP, and
// ipnlocal.LocalBackend will translate the IP into an ID when the
// node is found in the netmap.
//
// If the selected exit node doesn't exist (e.g. it's not part of
// the current tailnet), or it doesn't offer exit node services, a
// blackhole route will be installed on the local system to
// prevent any traffic escaping to the local network.
func (v PrefsView) ExitNodeID() tailcfg.StableNodeID { return v.ж.ExitNodeID }
func (v PrefsView) ExitNodeIP() netip.Addr           { return v.ж.ExitNodeIP }

// AutoExitNode is an optional expression that specifies whether and how
// tailscaled should pick an exit node automatically.
//
// If specified, tailscaled will use an exit node based on the expression,
// and will re-evaluate the selection periodically as network conditions,
// available exit nodes, or policy settings change. A blackhole route will
// be installed to prevent traffic from escaping to the local network until
// an exit node is selected. It takes precedence over ExitNodeID and ExitNodeIP.
//
// If empty, tailscaled will not automatically select an exit node.
//
// If the specified expression is invalid or unsupported by the client,
// it falls back to the behavior of [AnyExitNode].
//
// As of 2025-07-02, the only supported value is [AnyExitNode].
// It's a string rather than a boolean to allow future extensibility
// (e.g., AutoExitNode = "mullvad" or AutoExitNode = "geo:us").
func (v PrefsView) AutoExitNode() ExitNodeExpression { return v.ж.AutoExitNode }

// InternalExitNodePrior is the most recently used ExitNodeID in string form. It is set by
// the backend on transition from exit node on to off and used by the
// backend.
//
// As an Internal field, it can't be set by LocalAPI clients, rather it is set indirectly
// when the ExitNodeID value is zero'd and via the set-use-exit-node-enabled endpoint.
func (v PrefsView) InternalExitNodePrior() tailcfg.StableNodeID { return v.ж.InternalExitNodePrior }

// ExitNodeAllowLANAccess indicates whether locally accessible subnets should be
// routed directly or via the exit node.
func (v PrefsView) ExitNodeAllowLANAccess() bool { return v.ж.ExitNodeAllowLANAccess }

// CorpDNS specifies whether to install the Tailscale network's
// DNS configuration, if it exists.
func (v PrefsView) CorpDNS() bool { return v.ж.CorpDNS }

// RunSSH bool is whether this node should run an SSH
// server, permitting access to peers according to the
// policies as configured by the Tailnet's admin(s).
func (v PrefsView) RunSSH() bool { return v.ж.RunSSH }

// RunWebClient bool is whether this node should expose
// its web client over Tailscale at port 5252,
// permitting access to peers according to the
// policies as configured by the Tailnet's admin(s).
func (v PrefsView) RunWebClient() bool { return v.ж.RunWebClient }

// WantRunning indicates whether networking should be active on
// this node.
func (v PrefsView) WantRunning() bool { return v.ж.WantRunning }

// LoggedOut indicates whether the user intends to be logged out.
// There are other reasons we may be logged out, including no valid
// keys.
// We need to remember this state so that, on next startup, we can
// generate the "Login" vs "Connect" buttons correctly, without having
// to contact the server to confirm our nodekey status first.
func (v PrefsView) LoggedOut() bool { return v.ж.LoggedOut }

// ShieldsUp indicates whether to block all incoming connections,
// regardless of the control-provided packet filter. If false, we
// use the packet filter as provided. If true, we block incoming
// connections. This overrides tailcfg.Hostinfo's ShieldsUp.
func (v PrefsView) ShieldsUp() bool { return v.ж.ShieldsUp }

// AdvertiseTags specifies tags that should be applied to this node, for
// purposes of ACL enforcement. These can be referenced from the ACL policy
// document. Note that advertising a tag on the client doesn't guarantee
// that the control server will allow the node to adopt that tag.
func (v PrefsView) AdvertiseTags() views.Slice[string] { return views.SliceOf(v.ж.AdvertiseTags) }

// Hostname is the hostname to use for identifying the node. If
// not set, os.Hostname is used.
func (v PrefsView) Hostname() string { return v.ж.Hostname }

// NotepadURLs is a debugging setting that opens OAuth URLs in
// notepad.exe on Windows, rather than loading them in a browser.
//
// apenwarr 2020-04-29: Unfortunately this is still needed sometimes.
// Windows' default browser setting is sometimes screwy and this helps
// users narrow it down a bit.
func (v PrefsView) NotepadURLs() bool { return v.ж.NotepadURLs }

// ForceDaemon specifies whether a platform that normally
// operates in "client mode" (that is, requires an active user
// logged in with the GUI app running) should keep running after the
// GUI ends and/or the user logs out.
//
// The only current applicable platform is Windows. This
// forced Windows to go into "server mode" where Tailscale is
// running even with no users logged in. This might also be
// used for macOS in the future. This setting has no effect
// for Linux/etc, which always operate in daemon mode.
func (v PrefsView) ForceDaemon() bool { return v.ж.ForceDaemon }

// Egg is a optional debug flag.
func (v PrefsView) Egg() bool { return v.ж.Egg }

// AdvertiseRoutes specifies CIDR prefixes to advertise into the
// Tailscale network as reachable through the current
// node.
func (v PrefsView) AdvertiseRoutes() views.Slice[netip.Prefix] {
	return views.SliceOf(v.ж.AdvertiseRoutes)
}

// AdvertiseServices specifies the list of services that this
// node can serve as a destination for. Note that an advertised
// service must still go through the approval process from the
// control server.
func (v PrefsView) AdvertiseServices() views.Slice[string] {
	return views.SliceOf(v.ж.AdvertiseServices)
}

// Sync is whether this node should sync its configuration from
// the control plane. If unset, this defaults to true.
// This exists primarily for testing, to verify that netmap caching
// and offline operation work correctly.
func (v PrefsView) Sync() opt.Bool { return v.ж.Sync }

// NoSNAT specifies whether to source NAT traffic going to
// destinations in AdvertiseRoutes. The default is to apply source
// NAT, which makes the traffic appear to come from the router
// machine rather than the peer's Tailscale IP.
//
// Disabling SNAT requires additional manual configuration in your
// network to route Tailscale traffic back to the subnet relay
// machine.
//
// Linux-only.
func (v PrefsView) NoSNAT() bool { return v.ж.NoSNAT }

// NoStatefulFiltering specifies whether to apply stateful filtering when
// advertising routes in AdvertiseRoutes. The default is to not apply
// stateful filtering.
//
// To allow inbound connections from advertised routes, both NoSNAT and
// NoStatefulFiltering must be true.
//
// This is an opt.Bool because it was first added after NoSNAT, with a
// backfill based on the value of that parameter. The backfill has been
// removed since then, but the field remains an opt.Bool.
//
// Linux-only.
func (v PrefsView) NoStatefulFiltering() opt.Bool { return v.ж.NoStatefulFiltering }

// NetfilterMode specifies how much to manage netfilter rules for
// Tailscale, if at all.
func (v PrefsView) NetfilterMode() preftype.NetfilterMode { return v.ж.NetfilterMode }

// OperatorUser is the local machine user name who is allowed to
// operate tailscaled without being root or using sudo.
func (v PrefsView) OperatorUser() string { return v.ж.OperatorUser }

// ProfileName is the desired name of the profile. If empty, then the user's
// LoginName is used. It is only used for display purposes in the client UI
// and CLI.
func (v PrefsView) ProfileName() string { return v.ж.ProfileName }

// AutoUpdate sets the auto-update preferences for the node agent. See
// AutoUpdatePrefs docs for more details.
func (v PrefsView) AutoUpdate() AutoUpdatePrefs { return v.ж.AutoUpdate }

// AppConnector sets the app connector preferences for the node agent. See
// AppConnectorPrefs docs for more details.
func (v PrefsView) AppConnector() AppConnectorPrefs { return v.ж.AppConnector }

// PostureChecking enables the collection of information used for device
// posture checks.
//
// Note: this should be named ReportPosture, but it was shipped as
// PostureChecking in some early releases and this JSON field is written to
// disk, so we just keep its old name. (akin to CorpDNS which is an internal
// pref name that doesn't match the public interface)
func (v PrefsView) PostureChecking() bool { return v.ж.PostureChecking }

// NetfilterKind specifies what netfilter implementation to use.
//
// It can be "iptables", "nftables", or "" to auto-detect.
//
// Linux-only.
func (v PrefsView) NetfilterKind() string { return v.ж.NetfilterKind }

// DriveShares are the configured DriveShares, stored in increasing order
// by name.
func (v PrefsView) DriveShares() views.SliceView[*drive.Share, drive.ShareView] {
	return views.SliceOfViews[*drive.Share, drive.ShareView](v.ж.DriveShares)
}

// RelayServerPort is the UDP port number for the relay server to bind to,
// on all interfaces. A non-nil zero value signifies a random unused port
// should be used. A nil value signifies relay server functionality
// should be disabled.
func (v PrefsView) RelayServerPort() views.ValuePointer[uint16] {
	return views.ValuePointerOf(v.ж.RelayServerPort)
}

// RelayServerStaticEndpoints are static IP:port endpoints to advertise as
// candidates for relay connections. Only relevant when RelayServerPort is
// non-nil.
func (v PrefsView) RelayServerStaticEndpoints() views.Slice[netip.AddrPort] {
	return views.SliceOf(v.ж.RelayServerStaticEndpoints)
}

// AllowSingleHosts was a legacy field that was always true
// for the past 4.5 years. It controlled whether Tailscale
// peers got /32 or /128 routes for each other.
// As of 2024-05-17 we're starting to ignore it, but to let
// people still downgrade Tailscale versions and not break
// all peer-to-peer networking we still write it to disk (as JSON)
// so it can be loaded back by old versions.
// TODO(bradfitz): delete this in 2025 sometime. See #12058.
func (v PrefsView) AllowSingleHosts() marshalAsTrueInJSON { return v.ж.AllowSingleHosts }

// The Persist field is named 'Config' in the file for backward
// compatibility with earlier versions.
// TODO(apenwarr): We should move this out of here, it's not a pref.
//
//	We can maybe do that once we're sure which module should persist
//	it (backend or frontend?)
func (v PrefsView) Persist() persist.PersistView { return v.ж.Persist.View() }

// A compilation failure here means this code must be regenerated, with the command at the top of this file.
var _PrefsViewNeedsRegeneration = Prefs(struct {
	ControlURL                 string
	RouteAll                   bool
	ExitNodeID                 tailcfg.StableNodeID
	ExitNodeIP                 netip.Addr
	AutoExitNode               ExitNodeExpression
	InternalExitNodePrior      tailcfg.StableNodeID
	ExitNodeAllowLANAccess     bool
	CorpDNS                    bool
	RunSSH                     bool
	RunWebClient               bool
	WantRunning                bool
	LoggedOut                  bool
	ShieldsUp                  bool
	AdvertiseTags              []string
	Hostname                   string
	NotepadURLs                bool
	ForceDaemon                bool
	Egg                        bool
	AdvertiseRoutes            []netip.Prefix
	AdvertiseServices          []string
	Sync                       opt.Bool
	NoSNAT                     bool
	NoStatefulFiltering        opt.Bool
	NetfilterMode              preftype.NetfilterMode
	OperatorUser               string
	ProfileName                string
	AutoUpdate                 AutoUpdatePrefs
	AppConnector               AppConnectorPrefs
	PostureChecking            bool
	NetfilterKind              string
	DriveShares                []*drive.Share
	RelayServerPort            *uint16
	RelayServerStaticEndpoints []netip.AddrPort
	AllowSingleHosts           marshalAsTrueInJSON
	Persist                    *persist.Persist
}{})

// View returns a read-only view of ServeConfig.
func (p *ServeConfig) View() ServeConfigView {
	return ServeConfigView{ж: p}
}

// ServeConfigView provides a read-only view over ServeConfig.
//
// Its methods should only be called if `Valid()` returns true.
type ServeConfigView struct {
	// ж is the underlying mutable value, named with a hard-to-type
	// character that looks pointy like a pointer.
	// It is named distinctively to make you think of how dangerous it is to escape
	// to callers. You must not let callers be able to mutate it.
	ж *ServeConfig
}

// Valid reports whether v's underlying value is non-nil.
func (v ServeConfigView) Valid() bool { return v.ж != nil }

// AsStruct returns a clone of the underlying value which aliases no memory with
// the original.
func (v ServeConfigView) AsStruct() *ServeConfig {
	if v.ж == nil {
		return nil
	}
	return v.ж.Clone()
}

// MarshalJSON implements [jsonv1.Marshaler].
func (v ServeConfigView) MarshalJSON() ([]byte, error) {
	return jsonv1.Marshal(v.ж)
}

// MarshalJSONTo implements [jsonv2.MarshalerTo].
func (v ServeConfigView) MarshalJSONTo(enc *jsontext.Encoder) error {
	return jsonv2.MarshalEncode(enc, v.ж)
}

// UnmarshalJSON implements [jsonv1.Unmarshaler].
func (v *ServeConfigView) UnmarshalJSON(b []byte) error {
	if v.ж != nil {
		return errors.New("already initialized")
	}
	if len(b) == 0 {
		return nil
	}
	var x ServeConfig
	if err := jsonv1.Unmarshal(b, &x); err != nil {
		return err
	}
	v.ж = &x
	return nil
}

// UnmarshalJSONFrom implements [jsonv2.UnmarshalerFrom].
func (v *ServeConfigView) UnmarshalJSONFrom(dec *jsontext.Decoder) error {
	if v.ж != nil {
		return errors.New("already initialized")
	}
	var x ServeConfig
	if err := jsonv2.UnmarshalDecode(dec, &x); err != nil {
		return err
	}
	v.ж = &x
	return nil
}

// TCP are the list of TCP port numbers that tailscaled should handle for
// the Tailscale IP addresses. (not subnet routers, etc)
func (v ServeConfigView) TCP() views.MapFn[uint16, *TCPPortHandler, TCPPortHandlerView] {
	return views.MapFnOf(v.ж.TCP, func(t *TCPPortHandler) TCPPortHandlerView {
		return t.View()
	})
}

// Web maps from "$SNI_NAME:$PORT" to a set of HTTP handlers
// keyed by mount point ("/", "/foo", etc)
func (v ServeConfigView) Web() views.MapFn[HostPort, *WebServerConfig, WebServerConfigView] {
	return views.MapFnOf(v.ж.Web, func(t *WebServerConfig) WebServerConfigView {
		return t.View()
	})
}

// Services maps from service name (in the form "svc:dns-label") to a ServiceConfig.
// Which describes the L3, L4, and L7 forwarding information for the service.
func (v ServeConfigView) Services() views.MapFn[tailcfg.ServiceName, *ServiceConfig, ServiceConfigView] {
	return views.MapFnOf(v.ж.Services, func(t *ServiceConfig) ServiceConfigView {
		return t.View()
	})
}

// AllowFunnel is the set of SNI:port values for which funnel
// traffic is allowed, from trusted ingress peers.
func (v ServeConfigView) AllowFunnel() views.Map[HostPort, bool] {
	return views.MapOf(v.ж.AllowFunnel)
}

// Foreground is a map of an IPN Bus session ID to an alternate foreground serve config that's valid for the
// life of that WatchIPNBus session ID. This allows the config to specify ephemeral configs that are used
// in the CLI's foreground mode to ensure ungraceful shutdowns of either the client or the LocalBackend does not
// expose ports that users are not aware of. In practice this contains any serve config set via 'tailscale
// serve' command run without the '--bg' flag. ServeConfig contained by Foreground is not expected itself to contain
// another Foreground block.
func (v ServeConfigView) Foreground() views.MapFn[string, *ServeConfig, ServeConfigView] {
	return views.MapFnOf(v.ж.Foreground, func(t *ServeConfig) ServeConfigView {
		return t.View()
	})
}

// ETag is the checksum of the serve config that's populated
// by the LocalClient through the HTTP ETag header during a
// GetServeConfig request and is translated to an If-Match header
// during a SetServeConfig request.
func (v ServeConfigView) ETag() string { return v.ж.ETag }

// A compilation failure here means this code must be regenerated, with the command at the top of this file.
var _ServeConfigViewNeedsRegeneration = ServeConfig(struct {
	TCP         map[uint16]*TCPPortHandler
	Web         map[HostPort]*WebServerConfig
	Services    map[tailcfg.ServiceName]*ServiceConfig
	AllowFunnel map[HostPort]bool
	Foreground  map[string]*ServeConfig
	ETag        string
}{})

// View returns a read-only view of ServiceConfig.
func (p *ServiceConfig) View() ServiceConfigView {
	return ServiceConfigView{ж: p}
}

// ServiceConfigView provides a read-only view over ServiceConfig.
//
// Its methods should only be called if `Valid()` returns true.
type ServiceConfigView struct {
	// ж is the underlying mutable value, named with a hard-to-type
	// character that looks pointy like a pointer.
	// It is named distinctively to make you think of how dangerous it is to escape
	// to callers. You must not let callers be able to mutate it.
	ж *ServiceConfig
}

// Valid reports whether v's underlying value is non-nil.
func (v ServiceConfigView) Valid() bool { return v.ж != nil }

// AsStruct returns a clone of the underlying value which aliases no memory with
// the original.
func (v ServiceConfigView) AsStruct() *ServiceConfig {
	if v.ж == nil {
		return nil
	}
	return v.ж.Clone()
}

// MarshalJSON implements [jsonv1.Marshaler].
func (v ServiceConfigView) MarshalJSON() ([]byte, error) {
	return jsonv1.Marshal(v.ж)
}

// MarshalJSONTo implements [jsonv2.MarshalerTo].
func (v ServiceConfigView) MarshalJSONTo(enc *jsontext.Encoder) error {
	return jsonv2.MarshalEncode(enc, v.ж)
}

// UnmarshalJSON implements [jsonv1.Unmarshaler].
func (v *ServiceConfigView) UnmarshalJSON(b []byte) error {
	if v.ж != nil {
		return errors.New("already initialized")
	}
	if len(b) == 0 {
		return nil
	}
	var x ServiceConfig
	if err := jsonv1.Unmarshal(b, &x); err != nil {
		return err
	}
	v.ж = &x
	return nil
}

// UnmarshalJSONFrom implements [jsonv2.UnmarshalerFrom].
func (v *ServiceConfigView) UnmarshalJSONFrom(dec *jsontext.Decoder) error {
	if v.ж != nil {
		return errors.New("already initialized")
	}
	var x ServiceConfig
	if err := jsonv2.UnmarshalDecode(dec, &x); err != nil {
		return err
	}
	v.ж = &x
	return nil
}

// TCP are the list of TCP port numbers that tailscaled should handle for
// the Tailscale IP addresses. (not subnet routers, etc)
func (v ServiceConfigView) TCP() views.MapFn[uint16, *TCPPortHandler, TCPPortHandlerView] {
	return views.MapFnOf(v.ж.TCP, func(t *TCPPortHandler) TCPPortHandlerView {
		return t.View()
	})
}

// Web maps from "$SNI_NAME:$PORT" to a set of HTTP handlers
// keyed by mount point ("/", "/foo", etc)
func (v ServiceConfigView) Web() views.MapFn[HostPort, *WebServerConfig, WebServerConfigView] {
	return views.MapFnOf(v.ж.Web, func(t *WebServerConfig) WebServerConfigView {
		return t.View()
	})
}

// Tun determines if the service should be using L3 forwarding (Tun mode).
func (v ServiceConfigView) Tun() bool { return v.ж.Tun }

// A compilation failure here means this code must be regenerated, with the command at the top of this file.
var _ServiceConfigViewNeedsRegeneration = ServiceConfig(struct {
	TCP map[uint16]*TCPPortHandler
	Web map[HostPort]*WebServerConfig
	Tun bool
}{})

// View returns a read-only view of TCPPortHandler.
func (p *TCPPortHandler) View() TCPPortHandlerView {
	return TCPPortHandlerView{ж: p}
}

// TCPPortHandlerView provides a read-only view over TCPPortHandler.
//
// Its methods should only be called if `Valid()` returns true.
type TCPPortHandlerView struct {
	// ж is the underlying mutable value, named with a hard-to-type
	// character that looks pointy like a pointer.
	// It is named distinctively to make you think of how dangerous it is to escape
	// to callers. You must not let callers be able to mutate it.
	ж *TCPPortHandler
}

// Valid reports whether v's underlying value is non-nil.
func (v TCPPortHandlerView) Valid() bool { return v.ж != nil }

// AsStruct returns a clone of the underlying value which aliases no memory with
// the original.
func (v TCPPortHandlerView) AsStruct() *TCPPortHandler {
	if v.ж == nil {
		return nil
	}
	return v.ж.Clone()
}

// MarshalJSON implements [jsonv1.Marshaler].
func (v TCPPortHandlerView) MarshalJSON() ([]byte, error) {
	return jsonv1.Marshal(v.ж)
}

// MarshalJSONTo implements [jsonv2.MarshalerTo].
func (v TCPPortHandlerView) MarshalJSONTo(enc *jsontext.Encoder) error {
	return jsonv2.MarshalEncode(enc, v.ж)
}

// UnmarshalJSON implements [jsonv1.Unmarshaler].
func (v *TCPPortHandlerView) UnmarshalJSON(b []byte) error {
	if v.ж != nil {
		return errors.New("already initialized")
	}
	if len(b) == 0 {
		return nil
	}
	var x TCPPortHandler
	if err := jsonv1.Unmarshal(b, &x); err != nil {
		return err
	}
	v.ж = &x
	return nil
}

// UnmarshalJSONFrom implements [jsonv2.UnmarshalerFrom].
func (v *TCPPortHandlerView) UnmarshalJSONFrom(dec *jsontext.Decoder) error {
	if v.ж != nil {
		return errors.New("already initialized")
	}
	var x TCPPortHandler
	if err := jsonv2.UnmarshalDecode(dec, &x); err != nil {
		return err
	}
	v.ж = &x
	return nil
}

// HTTPS, if true, means that tailscaled should handle this connection as an
// HTTPS request as configured by ServeConfig.Web.
//
// It is mutually exclusive with TCPForward.
func (v TCPPortHandlerView) HTTPS() bool { return v.ж.HTTPS }

// HTTP, if true, means that tailscaled should handle this connection as an
// HTTP request as configured by ServeConfig.Web.
//
// It is mutually exclusive with TCPForward.
func (v TCPPortHandlerView) HTTP() bool { return v.ж.HTTP }

// TCPForward is the IP:port to forward TCP connections to.
// Whether or not TLS is terminated by tailscaled depends on
// TerminateTLS.
//
// It is mutually exclusive with HTTPS.
func (v TCPPortHandlerView) TCPForward() string { return v.ж.TCPForward }

// TerminateTLS, if non-empty, means that tailscaled should terminate the
// TLS connections before forwarding them to TCPForward, permitting only the
// SNI name with this value. It is only used if TCPForward is non-empty.
// (the HTTPS mode uses ServeConfig.Web)
func (v TCPPortHandlerView) TerminateTLS() string { return v.ж.TerminateTLS }

// ProxyProtocol indicates whether to send a PROXY protocol header
// before forwarding the connection to TCPForward.
//
// This is only valid if TCPForward is non-empty.
func (v TCPPortHandlerView) ProxyProtocol() int { return v.ж.ProxyProtocol }

// A compilation failure here means this code must be regenerated, with the command at the top of this file.
var _TCPPortHandlerViewNeedsRegeneration = TCPPortHandler(struct {
	HTTPS         bool
	HTTP          bool
	TCPForward    string
	TerminateTLS  string
	ProxyProtocol int
}{})

// View returns a read-only view of HTTPHandler.
func (p *HTTPHandler) View() HTTPHandlerView {
	return HTTPHandlerView{ж: p}
}

// HTTPHandlerView provides a read-only view over HTTPHandler.
//
// Its methods should only be called if `Valid()` returns true.
type HTTPHandlerView struct {
	// ж is the underlying mutable value, named with a hard-to-type
	// character that looks pointy like a pointer.
	// It is named distinctively to make you think of how dangerous it is to escape
	// to callers. You must not let callers be able to mutate it.
	ж *HTTPHandler
}

// Valid reports whether v's underlying value is non-nil.
func (v HTTPHandlerView) Valid() bool { return v.ж != nil }

// AsStruct returns a clone of the underlying value which aliases no memory with
// the original.
func (v HTTPHandlerView) AsStruct() *HTTPHandler {
	if v.ж == nil {
		return nil
	}
	return v.ж.Clone()
}

// MarshalJSON implements [jsonv1.Marshaler].
func (v HTTPHandlerView) MarshalJSON() ([]byte, error) {
	return jsonv1.Marshal(v.ж)
}

// MarshalJSONTo implements [jsonv2.MarshalerTo].
func (v HTTPHandlerView) MarshalJSONTo(enc *jsontext.Encoder) error {
	return jsonv2.MarshalEncode(enc, v.ж)
}

// UnmarshalJSON implements [jsonv1.Unmarshaler].
func (v *HTTPHandlerView) UnmarshalJSON(b []byte) error {
	if v.ж != nil {
		return errors.New("already initialized")
	}
	if len(b) == 0 {
		return nil
	}
	var x HTTPHandler
	if err := jsonv1.Unmarshal(b, &x); err != nil {
		return err
	}
	v.ж = &x
	return nil
}

// UnmarshalJSONFrom implements [jsonv2.UnmarshalerFrom].
func (v *HTTPHandlerView) UnmarshalJSONFrom(dec *jsontext.Decoder) error {
	if v.ж != nil {
		return errors.New("already initialized")
	}
	var x HTTPHandler
	if err := jsonv2.UnmarshalDecode(dec, &x); err != nil {
		return err
	}
	v.ж = &x
	return nil
}

// absolute path to directory or file to serve
func (v HTTPHandlerView) Path() string { return v.ж.Path }

// http://localhost:3000/, localhost:3030, 3030
func (v HTTPHandlerView) Proxy() string { return v.ж.Proxy }

// plaintext to serve (primarily for testing)
func (v HTTPHandlerView) Text() string { return v.ж.Text }

// peer capabilities to forward in grant header, e.g. example.com/cap/mon
func (v HTTPHandlerView) AcceptAppCaps() views.Slice[tailcfg.PeerCapability] {
	return views.SliceOf(v.ж.AcceptAppCaps)
}

// Redirect, if not empty, is the target URL to redirect requests to.
// By default, we redirect with HTTP 302 (Found) status.
// If Redirect starts with '<httpcode>:', then we use that status instead.
//
// The target URL supports the following expansion variables:
//   - ${HOST}: replaced with the request's Host header value
//   - ${REQUEST_URI}: replaced with the request's full URI (path and query string)
func (v HTTPHandlerView) Redirect() string { return v.ж.Redirect }

// A compilation failure here means this code must be regenerated, with the command at the top of this file.
var _HTTPHandlerViewNeedsRegeneration = HTTPHandler(struct {
	Path          string
	Proxy         string
	Text          string
	AcceptAppCaps []tailcfg.PeerCapability
	Redirect      string
}{})

// View returns a read-only view of WebServerConfig.
func (p *WebServerConfig) View() WebServerConfigView {
	return WebServerConfigView{ж: p}
}

// WebServerConfigView provides a read-only view over WebServerConfig.
//
// Its methods should only be called if `Valid()` returns true.
type WebServerConfigView struct {
	// ж is the underlying mutable value, named with a hard-to-type
	// character that looks pointy like a pointer.
	// It is named distinctively to make you think of how dangerous it is to escape
	// to callers. You must not let callers be able to mutate it.
	ж *WebServerConfig
}

// Valid reports whether v's underlying value is non-nil.
func (v WebServerConfigView) Valid() bool { return v.ж != nil }

// AsStruct returns a clone of the underlying value which aliases no memory with
// the original.
func (v WebServerConfigView) AsStruct() *WebServerConfig {
	if v.ж == nil {
		return nil
	}
	return v.ж.Clone()
}

// MarshalJSON implements [jsonv1.Marshaler].
func (v WebServerConfigView) MarshalJSON() ([]byte, error) {
	return jsonv1.Marshal(v.ж)
}

// MarshalJSONTo implements [jsonv2.MarshalerTo].
func (v WebServerConfigView) MarshalJSONTo(enc *jsontext.Encoder) error {
	return jsonv2.MarshalEncode(enc, v.ж)
}

// UnmarshalJSON implements [jsonv1.Unmarshaler].
func (v *WebServerConfigView) UnmarshalJSON(b []byte) error {
	if v.ж != nil {
		return errors.New("already initialized")
	}
	if len(b) == 0 {
		return nil
	}
	var x WebServerConfig
	if err := jsonv1.Unmarshal(b, &x); err != nil {
		return err
	}
	v.ж = &x
	return nil
}

// UnmarshalJSONFrom implements [jsonv2.UnmarshalerFrom].
func (v *WebServerConfigView) UnmarshalJSONFrom(dec *jsontext.Decoder) error {
	if v.ж != nil {
		return errors.New("already initialized")
	}
	var x WebServerConfig
	if err := jsonv2.UnmarshalDecode(dec, &x); err != nil {
		return err
	}
	v.ж = &x
	return nil
}

// mountPoint => handler
func (v WebServerConfigView) Handlers() views.MapFn[string, *HTTPHandler, HTTPHandlerView] {
	return views.MapFnOf(v.ж.Handlers, func(t *HTTPHandler) HTTPHandlerView {
		return t.View()
	})
}

// A compilation failure here means this code must be regenerated, with the command at the top of this file.
var _WebServerConfigViewNeedsRegeneration = WebServerConfig(struct {
	Handlers map[string]*HTTPHandler
}{})
