# @name     Nachtmodus
# @desc     Display zwischen 23:00 und 06:00 Uhr dunkel
# @author   Ingo / Mod
# @version  1.4
# @headless true
# @config   start_h    number "Dunkel ab Stunde"          default=23 min=0 max=23 unit=h
# @config   end_h      number "Hell ab Stunde"            default=6 min=0 max=23 unit=h
# @config   night_br   slider "Helligkeit nachts"         default=0 min=0 max=100 unit=%
# @config   day_br     slider "Helligkeit tags (Fallback)" default=80 min=1 max=100 unit=%
# @config   notify_sec number "Vorlaufzeit Benachrichtigung" default=5 min=2 max=10 unit=s
# @config   notify_txt text   "Benachrichtigungstext"     default="..:ZZZ:.."

class NightModeApp
  var start_h, end_h, night_br, day_br, notify_sec, notify_txt
  var is_dark, saved_br, saved_auto
  var notified

  def init()
    self.start_h = store.get("start_h")
    self.end_h = store.get("end_h")
    self.night_br = store.get("night_br")
    self.day_br = store.get("day_br")
    self.notify_sec = store.get("notify_sec")
    self.notify_txt = store.get("notify_txt")

    self.is_dark = store.get("is_dark")
    self.saved_br = store.get("saved_br")
    if self.saved_br == nil
      var cur_br = settings.get("brightness")
      self.saved_br = (cur_br != nil && cur_br > self.night_br) ? cur_br : self.day_br
    end

    self.saved_auto = store.get("saved_auto")
    if self.saved_auto == nil
      var cur_auto = settings.get("autoBrightness")
      self.saved_auto = cur_auto != nil ? cur_auto : false
    end

    self.notified = false
  end

  def in_night_window(h, sh, eh)
    if sh > eh
      return (h >= sh || h < eh)
    else
      return (h >= sh && h < eh)
    end
  end

  def loop()
    var h = hour()
    if h < 0 return end

    var m = minute()
    var s = second()

    # Vorlaufzeit aus Config laden (Fallback auf 5s, Grenzen 2-10s einhalten)
    var lead_sec = self.notify_sec != nil ? self.notify_sec : 5
    if lead_sec < 2 lead_sec = 2 end
    if lead_sec > 10 lead_sec = 10 end

    # Vorlaufzeit auf maximale appDurationMs begrenzen
    var app_dur = settings.get("appDurationMs")
    if app_dur != nil && app_dur > 0
      var max_sec = app_dur / 1000
      if lead_sec > max_sec
        lead_sec = max_sec
      end
    end

    # Sicherheitsprüfung falls lead_sec durch kleine appDurationMs unter 1 sinkt
    if lead_sec < 1 lead_sec = 1 end

    var target_s = 60 - lead_sec
    var notify_h = (self.start_h - 1 + 24) % 24

    if h == notify_h && m == 59 && s == target_s
      if !self.notified
        var txt = self.notify_txt != nil ? self.notify_txt : "ZZZzzz.."
        var notify_dur = lead_sec * 1000
        notify({"text": txt, "durationMs": notify_dur})
        self.notified = true
      end
    else
      self.notified = false
    end

    var should_be_dark = self.in_night_window(h, self.start_h, self.end_h)

    if should_be_dark
      var cur_br = settings.get("brightness")
      if self.is_dark != true || (cur_br != nil && cur_br != self.night_br)
        # Vor dem Umschalten aktuelle Tag-Helligkeit merken
        if cur_br != nil && cur_br > self.night_br
          self.saved_br = cur_br
          store.set("saved_br", cur_br)
        end
        var cur_auto = settings.get("autoBrightness")
        if cur_auto != nil && cur_auto != false
          self.saved_auto = cur_auto
          store.set("saved_auto", cur_auto)
        end

        settings.set("autoBrightness", false)
        settings.set("brightness", self.night_br)

        self.is_dark = true
        store.set("is_dark", true)
      end
    else
      if self.is_dark != false
        # Wiederherstellung der normalen Helligkeit am Morgen
        var target_br = self.saved_br != nil ? self.saved_br : self.day_br
        settings.set("brightness", target_br)

        if self.saved_auto != nil
          settings.set("autoBrightness", self.saved_auto)
        end

        self.is_dark = false
        store.set("is_dark", false)
      else
        # Tagsüber: Manuelle Änderungen des Nutzers für die nächste Nacht merken
        var cur_br = settings.get("brightness")
        if cur_br != nil && cur_br > self.night_br && cur_br != self.saved_br
          self.saved_br = cur_br
          store.set("saved_br", cur_br)
        end
        var cur_auto = settings.get("autoBrightness")
        if cur_auto != nil && cur_auto != self.saved_auto
          self.saved_auto = cur_auto
          store.set("saved_auto", cur_auto)
        end
      end
    end
  end
end

return NightModeApp()