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

package atspi

import "testing"

func TestEchoEditFieldRequiresEditableMetadata(t *testing.T) {
	for _, tc := range []struct {
		name     string
		snapshot Snapshot
		want     bool
	}{
		{"entry", Snapshot{Role: "text", Editable: true}, true},
		{"web contenteditable", Snapshot{Role: "section", Editable: true}, true},
		{"editable combo", Snapshot{Role: "combo box", Editable: true}, true},
		{"unknown text", Snapshot{Role: "text"}, false},
		{"read only", Snapshot{Role: "text", Editable: true, ReadOnly: true}, false},
		{"password", Snapshot{Role: "password text", Editable: true}, false},
		{"terminal", Snapshot{Role: "terminal", Editable: true}, false},
		{"defunct", Snapshot{Role: "text", Editable: true, Defunct: true}, false},
	} {
		t.Run(tc.name, func(t *testing.T) {
			if got := IsEchoEditField(tc.snapshot); got != tc.want {
				t.Fatalf("editable=%v want=%v", got, tc.want)
			}
		})
	}
}

func TestEchoFocusLifetime(t *testing.T) {
	adapter := New()
	source := Snapshot{BusName: ":1.5", Path: "/edit", Role: "text", Editable: true, Focused: true, StatesKnown: true}
	event := Event{Type: FocusedStateEvent, Detail1: 1, Source: source, Window: NewObjectID(source.BusName, "/window"), OriginPath: "/child"}
	if adapter.EditFieldFocused() {
		t.Fatal("unknown focus allowed")
	}
	gain := func() {
		adapter.observeEchoFocus(event)
		if !adapter.EditFieldFocused() {
			t.Fatal("focused editor rejected")
		}
	}
	gain()
	// Background updates and losses do not replace the current editor.
	adapter.retireEchoFocus(FocusedStateEvent, 0, NewObjectID(":1.6", "/edit"))
	other := event
	other.Source.Path = "/other"
	other.ForegroundMismatch = true
	adapter.observeEchoFocus(other)
	if !adapter.EditFieldFocused() {
		t.Fatal("unrelated event retired editor")
	}
	for _, tc := range []struct {
		kind   string
		detail int
		id     ObjectID
	}{
		{FocusedStateEvent, 0, source.ID()}, {FocusedStateEvent, 0, NewObjectID(source.BusName, "/child")},
		{DefunctStateEvent, 1, source.ID()}, {WindowDestroyedEvent, 0, event.Window}, {WindowDeactivatedEvent, 0, event.Window},
		{FocusedStateEvent, 1, NewObjectID(source.BusName, "/button")},
	} {
		gain()
		adapter.retireEchoFocus(tc.kind, tc.detail, tc.id)
		if adapter.EditFieldFocused() {
			t.Fatalf("stale focus after %s", tc.kind)
		}
	}
	gain()
	readonly := event
	readonly.Type = "object:state-changed:read-only"
	readonly.Source.ReadOnly = true
	adapter.observeEchoFocus(readonly)
	if adapter.EditFieldFocused() {
		t.Fatal("read-only change retained echo")
	}
	gain()
	adapter.foreground.Store(&ForegroundState{Epoch: 1})
	if adapter.EditFieldFocused() {
		t.Fatal("foreground change retained echo")
	}
	adapter.observeEchoFocus(event)
	if adapter.EditFieldFocused() {
		t.Fatal("old event restored echo")
	}
	adapter.foreground.Store(nil)
	gain()
	unknownWindow := event
	unknownWindow.Type = WindowActivatedEvent
	unknownWindow.Window = NewObjectID(":1.6", "/window")
	unknownWindow.Source = Snapshot{BusName: ":1.6", Path: "/window", Role: "frame"}
	adapter.observeEchoFocus(unknownWindow)
	if adapter.EditFieldFocused() {
		t.Fatal("unknown window retained previous editor without X11 metadata")
	}
	gain()
	adapter.SetSecureInputActive(true)
	if adapter.EditFieldFocused() {
		t.Fatal("lock retained echo")
	}
	adapter.SetSecureInputActive(false)
	if adapter.EditFieldFocused() {
		t.Fatal("unlock restored stale echo")
	}
}