pragma Singleton

pragma ComponentBehavior

import QtQuick
import Quickshell
import Quickshell.Services.UPower

Singleton {
  id: root

  readonly property UPowerDevice device: UPower.displayDevice
  readonly property bool batteryAvailable: device && device.ready
                                           && device.isLaptopBattery
  readonly property int batteryLevel: batteryAvailable ? device.percentage * 100 : 0
  readonly property bool isCharging: batteryAvailable
                                     && device.state === UPowerDeviceState.Charging
  readonly property bool isLowBattery: batteryAvailable && batteryLevel <= 20
  readonly property string batteryHealth: batteryAvailable
                                          && device.healthSupported ? Math.round(
                                                                        device.healthPercentage
                                                                        * 100) + "%" : "N/A"
  readonly property real batteryCapacity: batteryAvailable
                                          && device.energyCapacity > 0 ? device.energyCapacity : 0
  readonly property string batteryStatus: {
    if (!batteryAvailable)
    return "No Battery"

    return UPowerDeviceState.toString(device.state)
  }
  readonly property int timeRemaining: {
    if (!batteryAvailable)
    return 0

    return isCharging ? (device.timeToFull || 0) : (device.timeToEmpty || 0)
  }
  readonly property bool suggestPowerSaver: batteryAvailable && isLowBattery
                                            && UPower.onBattery
                                            && (typeof PowerProfiles !== "undefined"
                                                && PowerProfiles.profile
                                                !== PowerProfile.PowerSaver)
  readonly property var bluetoothDevices: {
    var btDevices = []
    for (var i = 0; i < UPower.devices.count; i++) {
      var dev = UPower.devices.get(i)
      if (dev
          && dev.ready && (dev.type === UPowerDeviceType.BluetoothGeneric || dev.type
                           === UPowerDeviceType.Headphones || dev.type
                           === UPowerDeviceType.Headset || dev.type
                           === UPowerDeviceType.Keyboard || dev.type
                           === UPowerDeviceType.Mouse || dev.type === UPowerDeviceType.Speakers))
      btDevices.push({
                       "name": dev.model || UPowerDeviceType.toString(dev.type),
                       "percentage": Math.round(dev.percentage),
                       "type": dev.type
                     })
    }
    return btDevices
  }

  function formatTimeRemaining() {
    if (!batteryAvailable || timeRemaining <= 0)
      return "Unknown"

    const hours = Math.floor(timeRemaining / 3600)
    const minutes = Math.floor((timeRemaining % 3600) / 60)
    if (hours > 0)
      return hours + "h " + minutes + "m"
    else
      return minutes + "m"
  }
}