// Fenrir console screen reader.
// Copyright (c) 2026 Storm Dragon
// SPDX-License-Identifier: GPL-3.0-or-later
//
// This program is free software: you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the Free
// Software Foundation, either version 3 of the License, or (at your option)
// any later version.
//
// This program is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
// more details.
//
// You should have received a copy of the GNU General Public License along with
// this program. If not, see <https://www.gnu.org/licenses/gpl-3.0.html>.

package app

import (
	"time"

	"git.stormux.org/storm/fenrir/internal/diagnostic"
	"git.stormux.org/storm/fenrir/internal/i18n"
	"git.stormux.org/storm/fenrir/internal/presentation"
)

func (a *application) play(cue presentation.Cue) bool {
	if a.settings.live.Presentation.Sound.Enabled && a.cues != nil && cue != "" {
		return a.cues.Play(cue)
	}
	return false
}

func (a *application) present(text string, cue presentation.Cue) {
	if !a.play(cue) && !a.temporarySilence {
		a.voice.Say(text)
	}
}

func (a *application) present_speech_state() {
	if a.muted {
		a.play(presentation.SpeechOff)
	} else {
		a.present(i18n.T("speech enabled"), presentation.SpeechOn)
	}
}

func (a *application) present_indentation(message presentation.Message) {
	if a.temporarySilence || a.muted {
		return
	}
	accepted := false
	if message.Indentation != nil && a.settings.live.Presentation.Sound.Enabled && a.settings.live.Presentation.Sound.Volume > 0 && a.cues != nil {
		accepted = a.cues.Play_indentation(message.Indentation.Level)
	}
	if !accepted || message.Indentation.Speech {
		a.voice.Say(message.Text)
	}
}

func (a *application) present_attributes(message presentation.Message) {
	if a.temporarySilence || a.muted {
		return
	}
	accepted := message.Cue != "" && a.settings.live.Presentation.Sound.Volume > 0 && a.play(message.Cue)
	if !accepted || message.Attributes.Speech {
		a.voice.Say(message.Text)
	}
}

func (a *application) play_progress() {
	if a.ui.active {
		a.engine.Reset_progress()
	}
	if a.cues != nil {
		if a.ui.active {
			a.cues.Clear_progress()
		} else if !a.engine.Progress_active() {
			// A passive redraw can reset detection halfway through a beep.
			// Discard stale waiting tones, but let the current one finish.
			a.cues.Discard_progress()
		}
	}
	if !a.ui.active && a.settings.live.Presentation.Sound.Enabled && a.cues != nil {
		if value, ok := a.engine.Next_progress(time.Now()); ok {
			if a.cues.Play_progress(value) {
				diagnostic.Record("progress tone", "percentage", value)
			}
		}
	}
}