import QtQuick
import Quickshell.Services.UPower
import qs.Common
import qs.Services
import qs.Widgets

Rectangle {
  id: battery

  property bool batteryPopupVisible: false
  property string section: "right"
  property var popupTarget: null
  property var parentScreen: null

  signal toggleBatteryPopup

  width: BatteryService.batteryAvailable ? 70 : 40
  height: 30
  radius: Theme.cornerRadius
  color: {
    const baseColor = batteryArea.containsMouse
                    || batteryPopupVisible ? Theme.primaryPressed : Theme.secondaryHover
    return Qt.rgba(baseColor.r, baseColor.g, baseColor.b,
                   baseColor.a * Theme.widgetTransparency)
  }
  visible: true

  Row {
    anchors.centerIn: parent
    spacing: 4

    DankIcon {
      name: {
        if (!BatteryService.batteryAvailable)
          return "power"

        if (BatteryService.isCharging) {
          if (BatteryService.batteryLevel >= 90)
            return "battery_charging_full"
          if (BatteryService.batteryLevel >= 80)
            return "battery_charging_90"
          if (BatteryService.batteryLevel >= 60)
            return "battery_charging_80"
          if (BatteryService.batteryLevel >= 50)
            return "battery_charging_60"
          if (BatteryService.batteryLevel >= 30)
            return "battery_charging_50"
          if (BatteryService.batteryLevel >= 20)
            return "battery_charging_30"
          return "battery_charging_20"
        }

        // Check if plugged in but not charging (like at 80% charge limit)
        if (BatteryService.isPluggedIn) {
          if (BatteryService.batteryLevel >= 90)
            return "battery_charging_full"
          if (BatteryService.batteryLevel >= 80)
            return "battery_charging_90"
          if (BatteryService.batteryLevel >= 60)
            return "battery_charging_80"
          if (BatteryService.batteryLevel >= 50)
            return "battery_charging_60"
          if (BatteryService.batteryLevel >= 30)
            return "battery_charging_50"
          if (BatteryService.batteryLevel >= 20)
            return "battery_charging_30"
          return "battery_charging_20"
        }

        // On battery power
        if (BatteryService.batteryLevel >= 95)
          return "battery_full"
        if (BatteryService.batteryLevel >= 85)
          return "battery_6_bar"
        if (BatteryService.batteryLevel >= 70)
          return "battery_5_bar"
        if (BatteryService.batteryLevel >= 55)
          return "battery_4_bar"
        if (BatteryService.batteryLevel >= 40)
          return "battery_3_bar"
        if (BatteryService.batteryLevel >= 25)
          return "battery_2_bar"
        return "battery_1_bar"
      }
      size: Theme.iconSize - 6
      color: {
        if (!BatteryService.batteryAvailable)
          return Theme.surfaceText

        if (BatteryService.isLowBattery && !BatteryService.isCharging)
          return Theme.error

        if (BatteryService.isCharging || BatteryService.isPluggedIn)
          return Theme.primary

        return Theme.surfaceText
      }
      anchors.verticalCenter: parent.verticalCenter
    }

    StyledText {
      text: BatteryService.batteryLevel + "%"
      font.pixelSize: Theme.fontSizeSmall
      font.weight: Font.Medium
      color: {
        if (!BatteryService.batteryAvailable)
          return Theme.surfaceText

        if (BatteryService.isLowBattery && !BatteryService.isCharging)
          return Theme.error

        if (BatteryService.isCharging)
          return Theme.primary

        return Theme.surfaceText
      }
      anchors.verticalCenter: parent.verticalCenter
      visible: BatteryService.batteryAvailable
    }
  }

  MouseArea {
    id: batteryArea

    anchors.fill: parent
    hoverEnabled: true
    cursorShape: Qt.PointingHandCursor
    onClicked: {
      if (popupTarget && popupTarget.setTriggerPosition) {
        var globalPos = mapToGlobal(0, 0)
        var currentScreen = parentScreen || Screen
        var screenX = currentScreen.x || 0
        var relativeX = globalPos.x - screenX
        popupTarget.setTriggerPosition(relativeX,
                                       Theme.barHeight + Theme.spacingXS,
                                       width, section, currentScreen)
      }
      toggleBatteryPopup()
    }
  }

  Rectangle {
    id: batteryTooltip

    width: Math.max(120, tooltipText.contentWidth + Theme.spacingM * 2)
    height: tooltipText.contentHeight + Theme.spacingS * 2
    radius: Theme.cornerRadius
    color: Theme.surfaceContainer
    border.color: Theme.surfaceVariantAlpha
    border.width: 1
    visible: batteryArea.containsMouse && !batteryPopupVisible
    anchors.bottom: parent.top
    anchors.bottomMargin: Theme.spacingS
    anchors.horizontalCenter: parent.horizontalCenter
    opacity: batteryArea.containsMouse ? 1 : 0

    Column {
      anchors.centerIn: parent
      spacing: 2

      StyledText {
        id: tooltipText

        text: {
          if (!BatteryService.batteryAvailable) {
            if (typeof PowerProfiles === "undefined")
              return "Power Management"

            switch (PowerProfiles.profile) {
            case PowerProfile.PowerSaver:
              return "Power Profile: Power Saver"
            case PowerProfile.Performance:
              return "Power Profile: Performance"
            default:
              return "Power Profile: Balanced"
            }
          }
          let status = BatteryService.batteryStatus
          let level = BatteryService.batteryLevel + "%"
          let time = BatteryService.formatTimeRemaining()
          if (time !== "Unknown")
            return status + " • " + level + " • " + time
          else
            return status + " • " + level
        }
        font.pixelSize: Theme.fontSizeSmall
        color: Theme.surfaceText
        horizontalAlignment: Text.AlignHCenter
      }
    }

    Behavior on opacity {
      NumberAnimation {
        duration: Theme.shortDuration
        easing.type: Theme.standardEasing
      }
    }
  }

  Behavior on color {
    ColorAnimation {
      duration: Theme.shortDuration
      easing.type: Theme.standardEasing
    }
  }
}