adds chargers

Cable/Chargers/ChargerConfiguration.swift

@@ -0,0 +1,67 @@
+import Foundation
+import SwiftData
+
+struct ChargerConfiguration: Identifiable, Hashable {
+    let id: UUID
+    var name: String
+    var inputVoltage: Double
+    var outputVoltage: Double
+    var maxCurrentAmps: Double
+    var maxPowerWatts: Double
+    var iconName: String
+    var colorName: String
+    var system: ElectricalSystem
+
+    init(
+        id: UUID = UUID(),
+        name: String,
+        inputVoltage: Double = 230.0,
+        outputVoltage: Double = 14.2,
+        maxCurrentAmps: Double = 30.0,
+        maxPowerWatts: Double = 0.0,
+        iconName: String = "bolt.fill",
+        colorName: String = "orange",
+        system: ElectricalSystem
+    ) {
+        self.id = id
+        self.name = name
+        self.inputVoltage = inputVoltage
+        self.outputVoltage = outputVoltage
+        self.maxCurrentAmps = maxCurrentAmps
+        self.maxPowerWatts = maxPowerWatts
+        self.iconName = iconName
+        self.colorName = colorName
+        self.system = system
+    }
+
+    init(savedCharger: SavedCharger, system: ElectricalSystem) {
+        self.id = savedCharger.id
+        self.name = savedCharger.name
+        self.inputVoltage = savedCharger.inputVoltage
+        self.outputVoltage = savedCharger.outputVoltage
+        self.maxCurrentAmps = savedCharger.maxCurrentAmps
+        self.maxPowerWatts = savedCharger.maxPowerWatts
+        self.iconName = savedCharger.iconName
+        self.colorName = savedCharger.colorName
+        self.system = system
+    }
+
+    var effectivePowerWatts: Double {
+        if maxPowerWatts > 0 {
+            return maxPowerWatts
+        }
+        return outputVoltage * maxCurrentAmps
+    }
+
+    func apply(to savedCharger: SavedCharger) {
+        savedCharger.name = name
+        savedCharger.inputVoltage = inputVoltage
+        savedCharger.outputVoltage = outputVoltage
+        savedCharger.maxCurrentAmps = maxCurrentAmps
+        savedCharger.maxPowerWatts = maxPowerWatts
+        savedCharger.iconName = iconName
+        savedCharger.colorName = colorName
+        savedCharger.system = system
+        savedCharger.timestamp = Date()
+    }
+}