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

package app

import (
	"sync/atomic"
	"testing"

	"git.stormux.org/storm/cthulhu/internal/input"
)

type uiOutputRecorder struct {
	messages   []speechRequest
	interrupts atomic.Int32
}

func (output *uiOutputRecorder) Enqueue(request speechRequest) {
	output.messages = append(output.messages, request)
}
func (output *uiOutputRecorder) Interrupt() { output.interrupts.Add(1) }

func TestInternalUISuppressesApplicationOutputAndInputInterruption(t *testing.T) {
	keys := &uiTestKeys{}
	keys.session.Store(1)
	output := &uiOutputRecorder{}
	speaker := gatedSpeech{speech: output, gate: &focusGate{internalUI: keys}}
	speaker.Enqueue(speechRequest{Text: "Application event", Cause: "focus"})
	speaker.Interrupt()
	if speaker.InterruptForInput(input.Event{}) || len(output.messages) != 0 || output.interrupts.Load() != 0 {
		t.Fatal("application output interrupted internal UI")
	}
	speaker.InterruptInternalUI()
	speaker.Enqueue(speechRequest{Text: "Choice", Cause: "internal-ui"})
	if len(output.messages) != 1 || output.interrupts.Load() != 1 {
		t.Fatal("internal UI output was suppressed")
	}
	keys.session.Store(0)
	speaker.Enqueue(speechRequest{Text: "Application event", Cause: "focus"})
	if len(output.messages) != 2 {
		t.Fatal("normal presentation did not resume")
	}
}