// Fenrir console screen reader.
// Copyright (c) 2026 Storm Dragon
// SPDX-License-Identifier: GPL-3.0-or-later

package app

import (
	"context"
	"errors"
	"reflect"
	"testing"

	"git.stormux.org/storm/fenrir/internal/clipboard"
	"git.stormux.org/storm/fenrir/internal/command"
	"git.stormux.org/storm/fenrir/internal/interaction"
)

func TestEmojiMenuCancellationCopyAndStaleClipboardSync(t *testing.T) {
	for _, query := range []string{"Jack", "Black cat", "United States", "Coffin"} {
		t.Run(query, func(t *testing.T) {
			host, worker, _, _ := clipboard_fixture()
			host.add("original", false)
			host.poll()
			stale := worker.requests[0]
			keys, voice := &fakeKeys{}, &fakeVoice{}
			ui := new_internal_ui(context.Background(), keys, voice)
			ui.open_emoji(host)
			if voice.messages[0] != "Emoji Menu. All tab" {
				t.Fatal(voice.messages)
			}
			ui.handle(interaction.Key{Name: "tab"})
			ui.handle(interaction.Key{Text: query})
			ui.handle(interaction.Key{Name: "escape"})
			if got, _ := host.history.Current(); got != "original" || host.revision != stale.Revision {
				t.Fatal("cancel changed clipboard", got)
			}
			ui.open_emoji(host)
			ui.handle(interaction.Key{Name: "tab"})
			ui.handle(interaction.Key{Text: query + "zzzz"})
			ui.handle(interaction.Key{Name: "enter"})
			if !ui.active {
				t.Fatal("empty results closed menu")
			}
			ui.handle(interaction.Key{Name: "backspace", Ctrl: true})
			ui.handle(interaction.Key{Text: query})
			ui.handle(interaction.Key{Name: "enter"})
			want := map[string]string{"Jack": "🎃", "Black cat": "🐈‍⬛", "United States": "🇺🇸", "Coffin": "⚰️"}[query]
			if got, _ := host.history.Current(); got != want || ui.active || !host.dirty {
				t.Fatal("selection not copied", got, ui.active, host.dirty)
			}
			host.result(clipboard.Result{Request: stale, Text: "stale X clipboard"})
			if got, _ := host.history.Current(); got != want {
				t.Fatal("stale import replaced emoji", got)
			}
			host.poll()
			request := worker.requests[len(worker.requests)-1]
			if request.Command != command.ExportXClipboard || request.Text != want {
				t.Fatal("emoji not offered to sync", request)
			}
			host.history.Move(1)
			if got, _ := host.history.Current(); got != "original" {
				t.Fatal("history lost", got)
			}
			if !reflect.DeepEqual(keys.captures, []bool{true, false, true, false}) {
				t.Fatal(keys.captures)
			}
		})
	}
}

func TestEmojiMenuCaptureFailureDoesNotChangeClipboard(t *testing.T) {
	host, _, _, _ := clipboard_fixture()
	keys, voice := &fakeKeys{captureErr: errors.New("capture refused")}, &fakeVoice{}
	ui := new_internal_ui(context.Background(), keys, voice)
	ui.open_emoji(host)
	if ui.active || host.revision != 0 || len(voice.messages) != 1 {
		t.Fatal(ui.active, host.revision, voice.messages)
	}
}