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

package app

import (
	"git.stormux.org/storm/cthulhu/internal/config"
	"git.stormux.org/storm/cthulhu/internal/wine"
	"sync/atomic"
)

// Published settings are immutable snapshots shared by the preferences, input,
// and accessibility workers. Each event uses one complete snapshot.
type liveSettings struct {
	editFieldFocused     func() bool // Installed before workers start; reads cached focus only.
	current              atomic.Pointer[config.Settings]
	globalWine           atomic.Pointer[config.WineSettings]
	preferencesPID       atomic.Int64 // Owned by the preferences window lifetime; zero when closed.
	application          atomic.Pointer[string]
	requestedApplication atomic.Pointer[string]
	clipboardChanges     chan struct{}
	onApplication        func(string)
	wineTitles           chan wineWindowTitle
	wineReview           *wine.ReviewRegistry
}

func (live *liveSettings) Store(settings config.Settings) {
	live.current.Store(&settings)
	live.notify_clipboard()
}
func (live *liveSettings) notify_clipboard() {
	select {
	case live.clipboardChanges <- struct{}{}:
	default:
	}
}
func (live *liveSettings) Load() config.Settings { return *live.current.Load() }

// Wine values are global-only: one list governs every prefix regardless of
// which application has focus. The preferences worker publishes them here
// only when the active/global profile changes, never when it publishes a
// per-application profile through Store, so application switching cannot
// change the governing Wine list. The Wine manager reads them at each poll
// and helper spawn.
func (live *liveSettings) StoreGlobalWine(settings config.WineSettings) {
	settings.ExcludedPrograms = append([]string(nil), settings.ExcludedPrograms...)
	live.globalWine.Store(&settings)
}

func (live *liveSettings) LoadGlobalWine() config.WineSettings {
	current := live.globalWine.Load()
	if current == nil {
		return config.WineSettings{}
	}
	settings := *current
	settings.ExcludedPrograms = append([]string(nil), settings.ExcludedPrograms...)
	return settings
}