Working lock screen stuff

DynamicIsland/managers/MacBatteryManager.swift

@@ -0,0 +1,65 @@
+import Foundation
+import IOKit.ps
+
+/// Lightweight helper for querying macOS battery charging status and ETA.
+final class MacBatteryManager {
+    static let shared = MacBatteryManager()
+
+    private init() {}
+
+    struct BatteryStatus {
+        let timeRemainingMinutes: Int?
+        let isCharging: Bool
+        let percentage: Int?
+    }
+
+    func currentStatus() -> BatteryStatus {
+        guard let sourcesInfo = IOPSCopyPowerSourcesInfo()?.takeRetainedValue(),
+              let sourcesList = IOPSCopyPowerSourcesList(sourcesInfo)?.takeRetainedValue() as? [CFTypeRef] else {
+            return BatteryStatus(timeRemainingMinutes: nil, isCharging: false, percentage: nil)
+        }
+
+        for source in sourcesList {
+            guard let description = IOPSGetPowerSourceDescription(sourcesInfo, source)?.takeUnretainedValue() as? [String: Any],
+                  let type = description[kIOPSTypeKey] as? String,
+                  type == kIOPSInternalBatteryType else {
+                continue
+            }
+
+            let isCharging = description[kIOPSIsChargingKey] as? Bool ?? false
+            let timeRemaining = description[kIOPSTimeToFullChargeKey] as? Int
+            let currentCapacity = description[kIOPSCurrentCapacityKey] as? Int
+            let maxCapacity = description[kIOPSMaxCapacityKey] as? Int
+
+            let percentage: Int?
+            if let current = currentCapacity, let max = maxCapacity, max > 0 {
+                percentage = (current * 100) / max
+            } else {
+                percentage = nil
+            }
+
+            return BatteryStatus(
+                timeRemainingMinutes: timeRemaining,
+                isCharging: isCharging,
+                percentage: percentage
+            )
+        }
+
+        return BatteryStatus(timeRemainingMinutes: nil, isCharging: false, percentage: nil)
+    }
+
+    func formattedTimeToFullCharge() -> String? {
+        let status = currentStatus()
+        guard status.isCharging, let minutes = status.timeRemainingMinutes, minutes > 0 else {
+            return nil
+        }
+
+        let hours = minutes / 60
+        let remainingMinutes = minutes % 60
+
+        if hours > 0 {
+            return "\(hours)h \(remainingMinutes)m"
+        }
+        return "\(remainingMinutes)m"
+    }
+}