// Copyright (c) 2026 Storm Dragon
// Authors: Storm Dragon, Angus Kola
// SPDX-License-Identifier: GPL-3.0-or-later

package notification

import (
	"context"
	"errors"
	"testing"

	"github.com/godbus/dbus/v5"
)

func TestMakoSyncAnnouncesOnlyNewNotifications(t *testing.T) {
	presenter := NewPresenter()
	announcer := &fakeAnnouncer{}
	monitor := NewMakoMonitor(nil, presenter, announcer)
	monitor.available = true

	notifications := []map[string]dbus.Variant{makoNotification(7)}
	monitor.sync(notifications, true)
	if len(announcer.entries) != 1 {
		t.Fatalf("announced %d notifications, want 1", len(announcer.entries))
	}
	if announcer.entries[0].Message != "Notification Mail You have one message" {
		t.Fatalf("message = %q", announcer.entries[0].Message)
	}

	monitor.sync(notifications, true)
	if len(announcer.entries) != 1 {
		t.Fatalf("announced %d notifications after refresh, want 1", len(announcer.entries))
	}
}

func TestMakoParseNormalizesMetadata(t *testing.T) {
	metadata, id := parseMako(makoNotification(9))
	if id == nil || *id != 9 {
		t.Fatalf("id = %v, want 9", id)
	}
	if metadata.AppName != "Application" || metadata.Summary != "Mail" ||
		metadata.Body != "You have one message" || metadata.DesktopEntry != "application" ||
		metadata.Urgency != 2 || metadata.Actions["default"] != "View" {
		t.Fatalf("metadata = %+v", metadata)
	}
}

func TestMakoStopMarksLiveHistoryUnavailable(t *testing.T) {
	presenter := NewPresenter()
	notificationID := 12
	presenter.Save("Notification Mail", SaveOptions{
		Source: MakoSource, NotificationID: &notificationID, Live: true,
	})
	monitor := NewMakoMonitor(&fakeMakoConnection{}, presenter, &fakeAnnouncer{})
	monitor.available = true
	monitor.running = true
	monitor.stop = make(chan struct{})
	monitor.stopped = make(chan struct{})
	close(monitor.stopped)
	if err := monitor.Stop(context.Background()); err != nil {
		t.Fatalf("stop mako: %v", err)
	}
	entries := presenter.Entries()
	if len(entries) != 1 || entries[0].Live {
		t.Fatalf("entries = %+v, want one unavailable entry", entries)
	}
}

func TestMakoOwnerLossMarksLiveHistoryUnavailable(t *testing.T) {
	presenter := NewPresenter()
	notificationID := 12
	presenter.Save("Notification Mail", SaveOptions{
		Source: MakoSource, NotificationID: &notificationID, Live: true,
	})
	monitor := NewMakoMonitor(&fakeMakoConnection{}, presenter, &fakeAnnouncer{})
	monitor.available = true
	monitor.handleSignal(&dbus.Signal{
		Name: "org.freedesktop.DBus.NameOwnerChanged",
		Path: "/org/freedesktop/DBus",
		Body: []interface{}{makoBusName, ":1.10", ""},
	})

	entries := presenter.Entries()
	if monitor.available || len(entries) != 1 || entries[0].Live {
		t.Fatalf("available = %v, entries = %+v", monitor.available, entries)
	}
}

func TestMakoUnsupportedDaemonMarksHistoryUnavailable(t *testing.T) {
	presenter := NewPresenter()
	notificationID := 12
	presenter.Save("Notification Mail", SaveOptions{
		Source: MakoSource, NotificationID: &notificationID, Live: true,
	})
	monitor := NewMakoMonitor(&fakeMakoConnection{
		object: &fakeMakoObject{err: errors.New("object does not exist")},
	}, presenter, &fakeAnnouncer{})
	monitor.available = true

	if monitor.Refresh(false) {
		t.Fatal("unsupported notification daemon reported as available")
	}
	entries := presenter.Entries()
	if len(entries) != 1 || entries[0].Live {
		t.Fatalf("entries = %+v, want one unavailable entry", entries)
	}
	if len(presenter.ActionsForEntry(entries[0])) != 0 {
		t.Fatal("unsupported notification daemon retained live actions")
	}
}

func TestPresenterRoutesLiveMakoActions(t *testing.T) {
	presenter := NewPresenter()
	controller := &fakeMakoController{}
	presenter.SetMakoController(controller)
	notificationID := 6
	entry := presenter.Save("Notification Mail New message", SaveOptions{
		Source: MakoSource, SourceGeneration: 1,
		NotificationID: &notificationID, Live: true,
		Actions: map[string]string{"default": "View"},
	})

	if !presenter.CanControlEntry(entry) {
		t.Fatal("live mako entry was not controllable")
	}
	if actions := presenter.ActionsForEntry(entry); actions["default"] != "View" {
		t.Fatalf("actions = %q, want View", actions["default"])
	}

	messages, dismissed := presenter.DismissEntry(entry)
	if !dismissed || messages[0] != MessageDismissed {
		t.Fatalf("dismiss = %v %q", dismissed, messages)
	}
	if len(presenter.Entries()) != 0 || controller.dismissed[0] != 6 {
		t.Fatalf("entries = %+v dismissed = %v", presenter.Entries(), controller.dismissed)
	}

	actionMessages, invoked := presenter.InvokeActionEntry(entry, "default")
	if !invoked || actionMessages[0] != MessageActionInvoked || controller.invoked[0] != (makoAction{6, "default"}) {
		t.Fatalf("invoke = %v %q", invoked, actionMessages)
	}
}

func makoNotification(id uint32) map[string]dbus.Variant {
	return map[string]dbus.Variant{
		"id":            dbus.MakeVariant(id),
		"app-name":      dbus.MakeVariant("Application"),
		"summary":       dbus.MakeVariant("<b>Mail</b>"),
		"body":          dbus.MakeVariant("You have one message"),
		"desktop-entry": dbus.MakeVariant("application"),
		"urgency":       dbus.MakeVariant(int32(2)),
		"actions":       dbus.MakeVariant(map[string]dbus.Variant{"default": dbus.MakeVariant("View")}),
	}
}

type fakeAnnouncer struct{ entries []Entry }

func (announcer *fakeAnnouncer) Announce(entry Entry) {
	announcer.entries = append(announcer.entries, entry)
}

type fakeMakoConnection struct {
	object *fakeMakoObject
}

func (connection *fakeMakoConnection) Signal(chan<- *dbus.Signal) {}

func (connection *fakeMakoConnection) RemoveSignal(chan<- *dbus.Signal) {}
func (connection *fakeMakoConnection) Object(string, dbus.ObjectPath) dbus.BusObject {
	return connection.object
}
func (connection *fakeMakoConnection) AddMatchSignal(...dbus.MatchOption) error    { return nil }
func (connection *fakeMakoConnection) RemoveMatchSignal(...dbus.MatchOption) error { return nil }
func (connection *fakeMakoConnection) Close() error                                { return nil }

type fakeMakoObject struct {
	err error
}

func (object *fakeMakoObject) Call(string, dbus.Flags, ...interface{}) *dbus.Call {
	return &dbus.Call{Err: object.err}
}
func (object *fakeMakoObject) CallWithContext(context.Context, string, dbus.Flags, ...interface{}) *dbus.Call {
	return &dbus.Call{Err: object.err}
}
func (object *fakeMakoObject) Go(string, dbus.Flags, chan *dbus.Call, ...interface{}) *dbus.Call {
	return &dbus.Call{Err: object.err}
}
func (object *fakeMakoObject) GoWithContext(context.Context, string, dbus.Flags, chan *dbus.Call, ...interface{}) *dbus.Call {
	return &dbus.Call{Err: object.err}
}
func (object *fakeMakoObject) AddMatchSignal(string, string, ...dbus.MatchOption) *dbus.Call {
	return &dbus.Call{Err: object.err}
}
func (object *fakeMakoObject) RemoveMatchSignal(string, string, ...dbus.MatchOption) *dbus.Call {
	return &dbus.Call{Err: object.err}
}
func (object *fakeMakoObject) GetProperty(string) (dbus.Variant, error) {
	return dbus.Variant{}, object.err
}
func (object *fakeMakoObject) StoreProperty(string, interface{}) error {
	return object.err
}
func (object *fakeMakoObject) SetProperty(string, interface{}) error {
	return object.err
}
func (object *fakeMakoObject) Destination() string   { return makoBusName }
func (object *fakeMakoObject) Path() dbus.ObjectPath { return makoObjectPath }

type makoAction struct {
	id  int
	key string
}

type fakeMakoController struct {
	dismissed []int
	invoked   []makoAction
}

func (controller *fakeMakoController) IsCurrent(Entry) bool { return true }
func (controller *fakeMakoController) Dismiss(id int) bool {
	controller.dismissed = append(controller.dismissed, id)
	return true
}
func (controller *fakeMakoController) InvokeAction(id int, key string) bool {
	controller.invoked = append(controller.invoked, makoAction{id, key})
	return true
}