Add power metric charts

Meshtastic/Views/Nodes/Helpers/NodeDetail.swift

@@ -260,6 +260,18 @@ struct NodeDetail: View {
 					}
 					.disabled(!node.hasDeviceMetrics)
 
+					NavigationLink{
+						PowerMetricsLog(node: node)
+					} label: {
+						Label {
+							Text("Power Metrics Log")
+						} icon: {
+							Image(systemName: "bolt")
+								.symbolRenderingMode(.multicolor)
+						}
+					}
+					.disabled(!node.hasPowerMetrics)
+
 					NavigationLink {
 						NodeMapSwiftUI(node: node, showUserLocation: connectedNode?.num ?? 0 == node.num)
 					} label: {

Meshtastic/Views/Nodes/PowerMetricsLog.swift

@@ -0,0 +1,134 @@
+//
+//  PowerMetricsLog.swift
+//  Meshtastic
+//
+//  Created by Matthew Davies on 1/24/25.
+//
+
+import Foundation
+import SwiftUI
+import Charts
+
+struct PowerMetricsLog: View {
+
+	@ObservedObject var node: NodeInfoEntity
+	private var idiom: UIUserInterfaceIdiom { UIDevice.current.userInterfaceIdiom }
+	@State private var sortOrder = [KeyPathComparator(\TelemetryEntity.time, order: .reverse)]
+	@State private var selection: TelemetryEntity.ID?
+	@State private var chartSelection: Date?
+
+
+	@State private var channelSelection = 0
+
+	var body: some View {
+		VStack {
+			if node.hasPowerMetrics {
+				let oneWeekAgo = Calendar.current.date(byAdding: .day, value: -7, to: Date())
+				let powerMetrics = node.telemetries?.filtered(using: NSPredicate(format: "metricsType == 2")).reversed() as? [TelemetryEntity] ?? []
+				let chartData = powerMetrics
+					.filter { $0.time != nil && $0.time! >= oneWeekAgo! }
+					.sorted { $0.time! < $1.time! }
+				if chartData.count > 0 {
+					GroupBox(label: Label("\(powerMetrics.count) Readings Total", systemImage: "chart.xyaxis.line")) {
+
+						// allow switching between different channels
+						Picker("Select Channel", selection: $channelSelection) {
+							Text("Channel 1").tag(0)
+							Text("Channel 2").tag(1)
+							Text("Channel 3").tag(2)
+						}
+
+						Chart {
+							ForEach(chartData, id: \.self) { point in
+
+								let voltage = channelSelection == 0 ? point.powerCh1Voltage : channelSelection == 1 ? point.powerCh2Voltage : point.powerCh3Voltage
+								let current = channelSelection == 0 ? point.powerCh1Current : channelSelection == 1 ? point.powerCh2Current : point.powerCh3Current
+
+								LineMark(
+									x: .value("Time", point.time ?? Date()),
+									y: .value("Voltage", voltage)
+								)
+								.foregroundStyle(by: .value("Series", "Voltage"))
+								.interpolationMethod(.linear)
+								.accessibilityLabel("Voltage")
+								.accessibilityValue("X: \(point.time ?? Date()), Y: \(voltage)")
+
+								LineMark(
+									x: .value("Time", point.time ?? Date()),
+									y: .value("Current", current)
+								)
+								.foregroundStyle(by: .value("Series", "Current"))
+								.interpolationMethod(.linear)
+								.accessibilityLabel("Current")
+								.accessibilityValue("X: \(point.time ?? Date()), Y: \(current)")
+
+							}
+
+							if let chartSelection {
+								RuleMark(x: .value("Second", chartSelection, unit: .second))
+									.foregroundStyle(.tertiary.opacity(0.5))
+							}
+
+						}
+						.chartXAxis(content: {
+							AxisMarks(position: .top)
+						})
+						.chartXAxis(.automatic)
+						.chartXSelection(value: $chartSelection)
+						.chartYScale(domain: -10...10)
+						.chartForegroundStyleScale([
+							"Voltage": .blue,
+							"Current": .green
+						])
+						.chartLegend(position: .automatic, alignment: .bottom)
+
+					}
+				}
+				let localeDateFormat = DateFormatter.dateFormat(fromTemplate: "yyMdjmma", options: 0, locale: Locale.current)
+				let dateFormatString = (localeDateFormat ?? "M/d/YY j:mma").replacingOccurrences(of: ",", with: "")
+
+				if idiom == .phone {
+				} else {
+					Table(powerMetrics, selection: $selection, sortOrder: $sortOrder) {
+						TableColumn("Ch1 Voltage") { dm in
+							Text("\(String(format: "%.2f", dm.powerCh1Voltage))V")
+						}
+						.width(min: 75)
+						TableColumn("Ch1 Current") { dm in
+							Text("\(String(format: "%.2f", dm.powerCh1Current))mA")
+						}
+						.width(min: 75)
+						TableColumn("Ch2 Voltage") { dm in
+							Text("\(String(format: "%.2f", dm.powerCh2Voltage))V")
+						}
+						.width(min: 75)
+						TableColumn("Ch2 Current") { dm in
+							Text("\(String(format: "%.2f", dm.powerCh2Current))mA")
+						}
+						.width(min: 75)
+						TableColumn("Ch3 Voltage") { dm in
+							Text("\(String(format: "%.2f", dm.powerCh3Voltage))V")
+						}
+						.width(min: 75)
+						TableColumn("Ch3 Current") { dm in
+							Text("\(String(format: "%.2f", dm.powerCh3Current))mA")
+						}
+						.width(min: 75)
+						TableColumn("timestamp") { dm in
+							Text(dm.time?.formattedDate(format: dateFormatString) ?? "unknown.age".localized)
+						}
+						.width(min: 180)
+
+					}
+					.onChange(of: selection) { _, newSelection in
+						guard let metrics = powerMetrics.first(where: { $0.id == newSelection }) else {
+							return
+						}
+						chartSelection = metrics.time
+					}
+
+				}
+			}
+		}
+	}
+}