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// |
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// ChargerStandbyPowerWizardView.swift |
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// USB Meter |
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// |
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// Created by Codex on 13/04/2026. |
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// |
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import SwiftUI |
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struct ChargerStandbyPowerWizardView: View {
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@EnvironmentObject private var appData: AppData |
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@State private var chargerLibraryVisibility = false |
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@State private var discardConfirmationVisibility = false |
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@State private var selectedMeterMACAddress: String? |
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@State private var selectedChargerID: UUID? |
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let preferredMeterMACAddress: String? |
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let preferredChargerID: UUID? |
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let locksChargerSelection: Bool |
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init( |
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preferredMeterMACAddress: String? = nil, |
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preferredChargerID: UUID? = nil, |
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locksChargerSelection: Bool = false |
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) {
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self.preferredMeterMACAddress = preferredMeterMACAddress |
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self.preferredChargerID = preferredChargerID |
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self.locksChargerSelection = locksChargerSelection |
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_selectedMeterMACAddress = State(initialValue: nil) |
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_selectedChargerID = State(initialValue: preferredChargerID) |
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} |
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var body: some View {
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ScrollView {
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VStack(spacing: 18) {
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if let session = activeSession {
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activeMeasurementCard(session) |
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liveSessionCard(session) |
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} else {
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newMeasurementWizardCard |
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} |
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} |
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.padding() |
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} |
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.background( |
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LinearGradient( |
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colors: [.orange.opacity(0.16), Color.clear], |
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startPoint: .topLeading, |
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endPoint: .bottomTrailing |
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) |
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.ignoresSafeArea() |
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) |
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.navigationTitle(navigationTitleText) |
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.sheet(isPresented: $chargerLibraryVisibility) {
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ChargedDeviceLibrarySheetView( |
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visibility: $chargerLibraryVisibility, |
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meterMACAddress: selectedMeterSummary?.macAddress ?? "", |
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meterTint: selectedMeter?.color ?? .orange, |
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mode: .charger |
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) |
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.environmentObject(appData) |
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} |
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.confirmationDialog( |
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"Discard the current standby measurement?", |
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isPresented: $discardConfirmationVisibility, |
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titleVisibility: .visible |
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) {
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Button("Discard", role: .destructive) {
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if let activeSession {
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_ = appData.finishChargerStandbyMeasurement(for: activeSession.meterMACAddress, save: false) |
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} |
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} |
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Button("Cancel", role: .cancel) {}
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} message: {
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Text("The current sample set will be removed and nothing will be saved for this charger.")
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} |
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} |
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private var liveMeterSummaries: [AppData.MeterSummary] {
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appData.meterSummaries.filter { $0.meter != nil }
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} |
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private var availableChargers: [ChargedDeviceSummary] {
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appData.chargerSummaries |
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} |
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private var preferredChargerMeterMACAddress: String? {
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preferredChargerID.flatMap { appData.chargedDeviceSummary(id: $0)?.lastAssociatedMeterMAC }
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} |
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private var activeSession: ChargerStandbyPowerMonitorSession? {
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let candidateMACAddresses = [ |
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selectedMeterMACAddress ?? "", |
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preferredMeterMACAddress ?? "", |
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preferredChargerMeterMACAddress ?? "" |
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] |
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.filter { $0.isEmpty == false }
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for macAddress in candidateMACAddresses {
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if let session = appData.chargerStandbyMeasurementSession(for: macAddress) {
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return session |
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} |
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} |
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for meterSummary in liveMeterSummaries {
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if let session = appData.chargerStandbyMeasurementSession(for: meterSummary.macAddress) {
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return session |
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} |
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} |
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return nil |
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} |
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private var suggestedMeterSummary: AppData.MeterSummary? {
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if let preferredMeterMACAddress {
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return liveMeterSummaries.first(where: { $0.macAddress == preferredMeterMACAddress })
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} |
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if let preferredChargerMeterMACAddress {
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return liveMeterSummaries.first(where: { $0.macAddress == preferredChargerMeterMACAddress })
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} |
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return liveMeterSummaries.count == 1 ? liveMeterSummaries.first : nil |
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} |
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private var selectedMeterSummary: AppData.MeterSummary? {
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if let activeSession {
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return liveMeterSummaries.first(where: { $0.macAddress == activeSession.meterMACAddress })
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} |
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guard let selectedMeterMACAddress else {
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return nil |
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} |
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return liveMeterSummaries.first(where: { $0.macAddress == selectedMeterMACAddress })
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} |
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private var selectedMeter: Meter? {
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selectedMeterSummary?.meter |
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} |
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private var isChargerSelectionLocked: Bool {
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locksChargerSelection || preferredChargerID != nil |
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} |
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private var meterSelectionBinding: Binding<String?> {
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Binding( |
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get: { selectedMeterMACAddress },
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set: { selectedMeterMACAddress = $0 }
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) |
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} |
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private var selectedCharger: ChargedDeviceSummary? {
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if let activeSession {
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return appData.chargedDeviceSummary(id: activeSession.chargerID) |
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} |
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guard let selectedChargerID else {
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return nil |
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} |
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return appData.chargedDeviceSummary(id: selectedChargerID) |
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} |
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private var chargerSelectionBinding: Binding<UUID?> {
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Binding( |
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get: { selectedChargerID },
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set: { selectedChargerID = $0 }
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) |
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} |
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private var preferredChargerSummary: ChargedDeviceSummary? {
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guard let preferredChargerID else {
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return nil |
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} |
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return appData.chargedDeviceSummary(id: preferredChargerID) |
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} |
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private var navigationTitleText: String {
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"New Standby Consumption Measurement" |
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} |
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private var wizardCardTitle: String {
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if let selectedMeterSummary {
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return selectedMeterSummary.displayName |
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} |
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if let suggestedMeterSummary {
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return suggestedMeterSummary.displayName |
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} |
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return "Use Meter" |
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} |
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private var newMeasurementWizardCard: some View {
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MeterInfoCardView( |
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title: wizardCardTitle, |
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tint: .orange |
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) {
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if liveMeterSummaries.isEmpty {
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Text("Connect a live meter first. Standby measurement uses a live feed, so meter selection happens here in the wizard.")
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.font(.footnote) |
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.foregroundColor(.secondary) |
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.frame(maxWidth: .infinity, alignment: .leading) |
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} else {
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VStack(alignment: .leading, spacing: 12) {
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if isChargerSelectionLocked == false {
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HStack(spacing: 8) {
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Text("Charger")
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.font(.subheadline.weight(.semibold)) |
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ContextInfoButton( |
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title: "Charger", |
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message: "Choose the charger whose standby consumption you want to measure in this run." |
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) |
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} |
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if availableChargers.isEmpty {
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Text("No charger available yet. Open the charger library to create one first.")
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.font(.caption) |
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.foregroundColor(.secondary) |
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} else {
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Picker("Charger", selection: chargerSelectionBinding) {
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Text("Select Charger").tag(Optional<UUID>.none)
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ForEach(availableChargers) { charger in
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Text(charger.name).tag(Optional(charger.id)) |
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} |
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} |
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.pickerStyle(.menu) |
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} |
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} |
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HStack(spacing: 8) {
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Text("Use Meter")
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.font(.subheadline.weight(.semibold)) |
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ContextInfoButton( |
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title: "Use Meter", |
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message: "Choose the live meter explicitly. Standby consumption can vary with the upstream source or when the charger is connected to a computer, so re-run after setup changes." |
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) |
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} |
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Picker("Use Meter", selection: meterSelectionBinding) {
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Text("Select Meter").tag(Optional<String>.none)
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ForEach(liveMeterSummaries) { meterSummary in
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Text(meterSummary.displayName).tag(Optional(meterSummary.macAddress)) |
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} |
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} |
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.pickerStyle(.menu) |
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.disabled(activeSession != nil) |
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if activeSession == nil, let suggestedMeterSummary, selectedMeterSummary == nil {
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Text("Suggested from the current context: \(suggestedMeterSummary.displayName). Select it explicitly if this is the meter you want to use.")
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.font(.caption) |
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.foregroundColor(.secondary) |
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} |
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HStack(spacing: 12) {
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if isChargerSelectionLocked == false {
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Button("Manage Charger Library") {
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chargerLibraryVisibility = true |
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} |
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.disabled(selectedMeter == nil) |
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} |
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Button("Start Measurement") {
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startMeasurement() |
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} |
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.disabled(selectedCharger == nil || selectedMeter == nil) |
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} |
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.buttonStyle(.borderedProminent) |
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} |
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} |
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if selectedMeter == nil {
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Text("Choose the live meter explicitly before starting. The wizard no longer auto-confirms a suggested meter.")
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.font(.caption) |
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.foregroundColor(.secondary) |
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} else if activeSession == nil, selectedCharger == nil {
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Text("Select the charger you want to measure, then start the run.")
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.font(.caption) |
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.foregroundColor(.secondary) |
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} else if activeSession == nil, selectedMeter?.operationalState != .dataIsAvailable {
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Text("The wizard can start now, but samples will only be captured while live meter data is available.")
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.font(.caption) |
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.foregroundColor(.secondary) |
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} else if let activeSession {
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Text( |
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"\(activeSession.readinessDescription) • \(formattedDuration(Date().timeIntervalSince(activeSession.startedAt))) • \(activeSession.sampleCount) samples" |
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) |
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.font(.caption) |
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.foregroundColor(.secondary) |
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} |
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} |
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} |
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private func activeMeasurementCard(_ session: ChargerStandbyPowerMonitorSession) -> some View {
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MeterInfoCardView( |
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title: "Measurement Running", |
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infoMessage: "The run keeps collecting samples while this meter stays live. Save when you are happy with the sample set, or discard to cancel it.", |
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tint: .orange |
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) {
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MeterInfoRowView(label: "Meter", value: selectedMeterSummary?.displayName ?? session.meterMACAddress) |
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MeterInfoRowView(label: "Charger", value: selectedCharger?.name ?? "Selected charger") |
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MeterInfoRowView(label: "Status", value: session.readinessDescription) |
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MeterInfoRowView(label: "Samples", value: "\(session.sampleCount)") |
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HStack(spacing: 12) {
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Button("Save Result") {
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_ = appData.finishChargerStandbyMeasurement(for: session.meterMACAddress, save: true) |
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} |
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.disabled(session.hasSamples == false) |
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Button("Discard") {
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discardConfirmationVisibility = true |
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} |
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.foregroundColor(.red) |
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} |
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.buttonStyle(.borderedProminent) |
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} |
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} |
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private func liveSessionCard(_ session: ChargerStandbyPowerMonitorSession) -> some View {
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VStack(spacing: 18) {
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if let statistics = session.statistics {
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stabilityCard( |
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isStable: statistics.isStable, |
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averagePowerWatts: statistics.averagePowerWatts, |
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stabilityDeltaWatts: statistics.stabilityDeltaWatts, |
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stabilityToleranceWatts: statistics.stabilityToleranceWatts, |
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sampleCount: statistics.sampleCount |
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) |
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projectionCard( |
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averagePowerWatts: statistics.averagePowerWatts, |
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projectedDailyEnergyWh: statistics.projectedDailyEnergyWh, |
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projectedWeeklyEnergyWh: statistics.projectedWeeklyEnergyWh, |
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projectedMonthlyEnergyWh: statistics.projectedMonthlyEnergyWh, |
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projectedYearlyEnergyWh: statistics.projectedYearlyEnergyWh |
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) |
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distributionCard( |
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histogram: statistics.histogram, |
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averagePowerWatts: statistics.averagePowerWatts, |
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standardDeviationPowerWatts: statistics.standardDeviationPowerWatts, |
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tint: .orange |
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) |
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statisticsCard( |
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averagePowerWatts: statistics.averagePowerWatts, |
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medianPowerWatts: statistics.medianPowerWatts, |
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minimumPowerWatts: statistics.minimumPowerWatts, |
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maximumPowerWatts: statistics.maximumPowerWatts, |
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standardDeviationPowerWatts: statistics.standardDeviationPowerWatts, |
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coefficientOfVariation: statistics.coefficientOfVariation, |
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averageCurrentAmps: statistics.averageCurrentAmps, |
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averageVoltageVolts: statistics.averageVoltageVolts |
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) |
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} else {
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MeterInfoCardView(title: "Live Stats", tint: .orange) {
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Text("Waiting for the first valid power samples from the meter.")
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.font(.footnote) |
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.foregroundColor(.secondary) |
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} |
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} |
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} |
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} |
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| 368 |
private func stabilityCard( |
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isStable: Bool, |
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averagePowerWatts: Double, |
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stabilityDeltaWatts: Double, |
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stabilityToleranceWatts: Double, |
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sampleCount: Int, |
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subtitle: String? = nil |
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) -> some View {
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VStack(alignment: .leading, spacing: 10) {
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HStack {
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VStack(alignment: .leading, spacing: 4) {
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Text(isStable ? "Enough Samples" : "Still Settling") |
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.font(.headline) |
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Text(subtitle ?? (isStable ? "The running average has stabilised." : "The wizard is still watching the average drift.")) |
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.font(.caption) |
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.foregroundColor(.secondary) |
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} |
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| 386 |
Spacer() |
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| 387 | ||
| 388 |
Text(isStable ? "Ready" : "Live") |
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.font(.caption.weight(.semibold)) |
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.padding(.horizontal, 10) |
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.padding(.vertical, 6) |
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.foregroundColor(isStable ? .green : .orange) |
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.meterCard( |
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tint: isStable ? .green : .orange, |
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fillOpacity: 0.10, |
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strokeOpacity: 0.16, |
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cornerRadius: 999 |
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) |
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} |
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| 400 | ||
| 401 |
Text("\(averagePowerWatts.format(decimalDigits: 3)) W")
|
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| 402 |
.font(.system(.largeTitle, design: .rounded).weight(.bold)) |
|
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.monospacedDigit() |
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| 404 | ||
| 405 |
Text( |
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"Recent drift: \((stabilityDeltaWatts * 1000).format(decimalDigits: 2)) mW, tolerance \((stabilityToleranceWatts * 1000).format(decimalDigits: 2)) mW over \(sampleCount) samples." |
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) |
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| 408 |
.font(.footnote) |
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.foregroundColor(.secondary) |
|
| 410 |
} |
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| 411 |
.frame(maxWidth: .infinity, alignment: .leading) |
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.padding(18) |
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.meterCard(tint: isStable ? .green : .orange, fillOpacity: 0.18, strokeOpacity: 0.24) |
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} |
|
| 415 | ||
| 416 |
private func projectionCard( |
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averagePowerWatts: Double, |
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projectedDailyEnergyWh: Double, |
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projectedWeeklyEnergyWh: Double, |
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| 420 |
projectedMonthlyEnergyWh: Double, |
|
| 421 |
projectedYearlyEnergyWh: Double |
|
| 422 |
) -> some View {
|
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| 423 |
MeterInfoCardView( |
|
| 424 |
title: "Consumption Projection", |
|
| 425 |
infoMessage: "These projections extrapolate only from the measured standby average. They do not say anything about charger behaviour under load.", |
|
| 426 |
tint: .teal |
|
| 427 |
) {
|
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| 428 |
MeterInfoRowView(label: "Average Power", value: "\(averagePowerWatts.format(decimalDigits: 3)) W") |
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MeterInfoRowView(label: "24 Hours", value: standbyEnergyLabel(projectedDailyEnergyWh)) |
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| 430 |
MeterInfoRowView(label: "7 Days", value: standbyEnergyLabel(projectedWeeklyEnergyWh)) |
|
| 431 |
MeterInfoRowView(label: "30 Days", value: standbyEnergyLabel(projectedMonthlyEnergyWh)) |
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| 432 |
MeterInfoRowView(label: "1 Year", value: standbyEnergyLabel(projectedYearlyEnergyWh)) |
|
| 433 |
} |
|
| 434 |
} |
|
| 435 | ||
| 436 |
private func distributionCard( |
|
| 437 |
histogram: [ChargerStandbyPowerDistributionBin], |
|
| 438 |
averagePowerWatts: Double, |
|
| 439 |
standardDeviationPowerWatts: Double, |
|
| 440 |
tint: Color |
|
| 441 |
) -> some View {
|
|
| 442 |
MeterInfoCardView( |
|
| 443 |
title: "Distribution", |
|
| 444 |
infoMessage: "Bars show how often each power interval appeared. The curve overlays a normal approximation around the observed mean and deviation.", |
|
| 445 |
tint: tint |
|
| 446 |
) {
|
|
| 447 |
StandbyPowerHistogramView( |
|
| 448 |
histogram: histogram, |
|
| 449 |
averagePowerWatts: averagePowerWatts, |
|
| 450 |
standardDeviationPowerWatts: standardDeviationPowerWatts, |
|
| 451 |
tint: tint |
|
| 452 |
) |
|
| 453 |
.frame(height: 220) |
|
| 454 | ||
| 455 |
if let firstBin = histogram.first, let lastBin = histogram.last {
|
|
| 456 |
HStack {
|
|
| 457 |
Text("\(firstBin.lowerBoundWatts.format(decimalDigits: 3)) W")
|
|
| 458 |
Spacer() |
|
| 459 |
Text("\(lastBin.upperBoundWatts.format(decimalDigits: 3)) W")
|
|
| 460 |
} |
|
| 461 |
.font(.caption) |
|
| 462 |
.foregroundColor(.secondary) |
|
| 463 |
.monospacedDigit() |
|
| 464 |
} |
|
| 465 |
} |
|
| 466 |
} |
|
| 467 | ||
| 468 |
private func statisticsCard( |
|
| 469 |
averagePowerWatts: Double, |
|
| 470 |
medianPowerWatts: Double, |
|
| 471 |
minimumPowerWatts: Double, |
|
| 472 |
maximumPowerWatts: Double, |
|
| 473 |
standardDeviationPowerWatts: Double, |
|
| 474 |
coefficientOfVariation: Double, |
|
| 475 |
averageCurrentAmps: Double, |
|
| 476 |
averageVoltageVolts: Double |
|
| 477 |
) -> some View {
|
|
| 478 |
MeterInfoCardView(title: "Interesting Stats", tint: .indigo) {
|
|
| 479 |
MeterInfoRowView(label: "Median", value: "\(medianPowerWatts.format(decimalDigits: 3)) W") |
|
| 480 |
MeterInfoRowView(label: "Minimum", value: "\(minimumPowerWatts.format(decimalDigits: 3)) W") |
|
| 481 |
MeterInfoRowView(label: "Maximum", value: "\(maximumPowerWatts.format(decimalDigits: 3)) W") |
|
| 482 |
MeterInfoRowView(label: "Spread σ", value: "\(standardDeviationPowerWatts.format(decimalDigits: 4)) W") |
|
| 483 |
MeterInfoRowView(label: "Variation", value: "\(Int((coefficientOfVariation * 100).rounded()))%") |
|
| 484 |
MeterInfoRowView(label: "Mean Current", value: "\(averageCurrentAmps.format(decimalDigits: 3)) A") |
|
| 485 |
MeterInfoRowView(label: "Mean Voltage", value: "\(averageVoltageVolts.format(decimalDigits: 3)) V") |
|
| 486 |
MeterInfoRowView(label: "Power Density", value: "\(averagePowerWatts.format(decimalDigits: 3)) W steady") |
|
| 487 |
} |
|
| 488 |
} |
|
| 489 | ||
| 490 |
private func startMeasurement() {
|
|
| 491 |
guard let selectedCharger, let selectedMeter else {
|
|
| 492 |
return |
|
| 493 |
} |
|
| 494 | ||
| 495 |
_ = appData.startChargerStandbyMeasurement(for: selectedCharger.id, on: selectedMeter) |
|
| 496 |
} |
|
| 497 | ||
| 498 |
private func standbyEnergyLabel(_ wattHours: Double) -> String {
|
|
| 499 |
if wattHours >= 1000 {
|
|
| 500 |
return "\((wattHours / 1000).format(decimalDigits: 3)) kWh" |
|
| 501 |
} |
|
| 502 |
return "\(wattHours.format(decimalDigits: 2)) Wh" |
|
| 503 |
} |
|
| 504 | ||
| 505 |
private func formattedDuration(_ duration: TimeInterval) -> String {
|
|
| 506 |
let formatter = DateComponentsFormatter() |
|
| 507 |
formatter.allowedUnits = duration >= 3600 ? [.hour, .minute, .second] : [.minute, .second] |
|
| 508 |
formatter.unitsStyle = .abbreviated |
|
| 509 |
formatter.zeroFormattingBehavior = .pad |
|
| 510 |
return formatter.string(from: max(duration, 0)) ?? "0s" |
|
| 511 |
} |
|
| 512 | ||
| 513 |
} |
|
| 514 | ||
| 515 |
private struct StandbyPowerHistogramView: View {
|
|
| 516 |
let histogram: [ChargerStandbyPowerDistributionBin] |
|
| 517 |
let averagePowerWatts: Double |
|
| 518 |
let standardDeviationPowerWatts: Double |
|
| 519 |
let tint: Color |
|
| 520 | ||
| 521 |
var body: some View {
|
|
| 522 |
GeometryReader { proxy in
|
|
| 523 |
let maxCount = max(Double(histogram.map(\.count).max() ?? 1), 1) |
|
| 524 | ||
| 525 |
ZStack {
|
|
| 526 |
HStack(alignment: .bottom, spacing: 6) {
|
|
| 527 |
ForEach(histogram) { bin in
|
|
| 528 |
RoundedRectangle(cornerRadius: 8, style: .continuous) |
|
| 529 |
.fill(tint.opacity(0.24)) |
|
| 530 |
.overlay( |
|
| 531 |
RoundedRectangle(cornerRadius: 8, style: .continuous) |
|
| 532 |
.stroke(tint.opacity(0.22), lineWidth: 1) |
|
| 533 |
) |
|
| 534 |
.frame(height: max(10, (Double(bin.count) / maxCount) * proxy.size.height)) |
|
| 535 |
} |
|
| 536 |
} |
|
| 537 |
.frame(maxWidth: .infinity, maxHeight: .infinity, alignment: .bottom) |
|
| 538 | ||
| 539 |
gaussianCurve(in: proxy.size) |
|
| 540 |
.stroke(tint, style: StrokeStyle(lineWidth: 2.5, lineCap: .round, lineJoin: .round)) |
|
| 541 | ||
| 542 |
meanMarker(in: proxy.size) |
|
| 543 |
.stroke(tint.opacity(0.9), style: StrokeStyle(lineWidth: 1.5, dash: [6, 4])) |
|
| 544 |
} |
|
| 545 |
} |
|
| 546 |
} |
|
| 547 | ||
| 548 |
private func gaussianCurve(in size: CGSize) -> Path {
|
|
| 549 |
guard histogram.count > 1, |
|
| 550 |
standardDeviationPowerWatts > 0, |
|
| 551 |
let firstBin = histogram.first, |
|
| 552 |
let lastBin = histogram.last else {
|
|
| 553 |
return Path() |
|
| 554 |
} |
|
| 555 | ||
| 556 |
let minimum = firstBin.lowerBoundWatts |
|
| 557 |
let maximum = lastBin.upperBoundWatts |
|
| 558 |
let span = max(maximum - minimum, 0.000_001) |
|
| 559 |
let sampleCount = 48 |
|
| 560 |
let peakDensity = 1 / (standardDeviationPowerWatts * sqrt(2 * .pi)) |
|
| 561 | ||
| 562 |
return Path { path in
|
|
| 563 |
for index in 0...sampleCount {
|
|
| 564 |
let progress = Double(index) / Double(sampleCount) |
|
| 565 |
let value = minimum + (span * progress) |
|
| 566 |
let zScore = (value - averagePowerWatts) / standardDeviationPowerWatts |
|
| 567 |
let density = exp(-0.5 * zScore * zScore) / (standardDeviationPowerWatts * sqrt(2 * .pi)) |
|
| 568 |
let normalizedHeight = density / peakDensity |
|
| 569 | ||
| 570 |
let x = progress * size.width |
|
| 571 |
let y = size.height - (normalizedHeight * (Double(size.height) * 0.92)) |
|
| 572 |
let point = CGPoint(x: x, y: y) |
|
| 573 | ||
| 574 |
if index == 0 {
|
|
| 575 |
path.move(to: point) |
|
| 576 |
} else {
|
|
| 577 |
path.addLine(to: point) |
|
| 578 |
} |
|
| 579 |
} |
|
| 580 |
} |
|
| 581 |
} |
|
| 582 | ||
| 583 |
private func meanMarker(in size: CGSize) -> Path {
|
|
| 584 |
guard let firstBin = histogram.first, let lastBin = histogram.last else {
|
|
| 585 |
return Path() |
|
| 586 |
} |
|
| 587 | ||
| 588 |
let minimum = firstBin.lowerBoundWatts |
|
| 589 |
let maximum = lastBin.upperBoundWatts |
|
| 590 |
let span = max(maximum - minimum, 0.000_001) |
|
| 591 |
let normalizedX = min(max((averagePowerWatts - minimum) / span, 0), 1) |
|
| 592 |
let x = normalizedX * size.width |
|
| 593 | ||
| 594 |
return Path { path in
|
|
| 595 |
path.move(to: CGPoint(x: x, y: 0)) |
|
| 596 |
path.addLine(to: CGPoint(x: x, y: size.height)) |
|
| 597 |
} |
|
| 598 |
} |
|
| 599 |
} |
|
| 600 | ||
| 601 |
struct ChargerStandbyPowerMeasurementsView: View {
|
|
| 602 |
@EnvironmentObject private var appData: AppData |
|
| 603 | ||
| 604 |
let chargerID: UUID |
|
| 605 | ||
| 606 |
var body: some View {
|
|
| 607 |
Group {
|
|
| 608 |
if let charger = appData.chargedDeviceSummary(id: chargerID) {
|
|
| 609 |
List {
|
|
| 610 |
if charger.standbyPowerMeasurements.isEmpty {
|
|
| 611 |
Text("No standby measurements saved yet.")
|
|
| 612 |
.foregroundColor(.secondary) |
|
| 613 |
} else {
|
|
| 614 |
ForEach(charger.standbyPowerMeasurements) { measurement in
|
|
| 615 |
NavigationLink( |
|
| 616 |
destination: ChargerStandbyPowerMeasurementDetailView( |
|
| 617 |
chargerID: charger.id, |
|
| 618 |
measurementID: measurement.id |
|
| 619 |
) |
|
| 620 |
) {
|
|
| 621 |
VStack(alignment: .leading, spacing: 6) {
|
|
| 622 |
HStack {
|
|
| 623 |
Text(measurement.endedAt.format()) |
|
| 624 |
.font(.subheadline.weight(.semibold)) |
|
| 625 |
Spacer() |
|
| 626 |
Text("\(measurement.averagePowerWatts.format(decimalDigits: 3)) W")
|
|
| 627 |
.font(.subheadline.weight(.bold)) |
|
| 628 |
.monospacedDigit() |
|
| 629 |
} |
|
| 630 | ||
| 631 |
Text( |
|
| 632 |
"\(formattedDuration(measurement.duration)) • \(measurement.sampleCount) samples • \(standbyEnergyLabel(measurement.projectedYearlyEnergyWh)) / year" |
|
| 633 |
) |
|
| 634 |
.font(.caption) |
|
| 635 |
.foregroundColor(.secondary) |
|
| 636 |
} |
|
| 637 |
.frame(maxWidth: .infinity, alignment: .leading) |
|
| 638 |
} |
|
| 639 |
} |
|
| 640 |
} |
|
| 641 |
} |
|
| 642 |
.navigationTitle("Saved Measurements")
|
|
| 643 |
} else {
|
|
| 644 |
Text("This charger is no longer available.")
|
|
| 645 |
.foregroundColor(.secondary) |
|
| 646 |
.navigationTitle("Saved Measurements")
|
|
| 647 |
} |
|
| 648 |
} |
|
| 649 |
} |
|
| 650 | ||
| 651 |
private func standbyEnergyLabel(_ wattHours: Double) -> String {
|
|
| 652 |
if wattHours >= 1000 {
|
|
| 653 |
return "\((wattHours / 1000).format(decimalDigits: 3)) kWh" |
|
| 654 |
} |
|
| 655 |
return "\(wattHours.format(decimalDigits: 2)) Wh" |
|
| 656 |
} |
|
| 657 | ||
| 658 |
private func formattedDuration(_ duration: TimeInterval) -> String {
|
|
| 659 |
let formatter = DateComponentsFormatter() |
|
| 660 |
formatter.allowedUnits = duration >= 3600 ? [.hour, .minute, .second] : [.minute, .second] |
|
| 661 |
formatter.unitsStyle = .abbreviated |
|
| 662 |
formatter.zeroFormattingBehavior = .pad |
|
| 663 |
return formatter.string(from: max(duration, 0)) ?? "0s" |
|
| 664 |
} |
|
| 665 |
} |
|
| 666 | ||
| 667 |
struct ChargerStandbyPowerMeasurementDetailView: View {
|
|
| 668 |
@EnvironmentObject private var appData: AppData |
|
| 669 | ||
| 670 |
let chargerID: UUID |
|
| 671 |
let measurementID: UUID |
|
| 672 | ||
| 673 |
var body: some View {
|
|
| 674 |
Group {
|
|
| 675 |
if let charger = appData.chargedDeviceSummary(id: chargerID), |
|
| 676 |
let measurement = charger.standbyPowerMeasurements.first(where: { $0.id == measurementID }) {
|
|
| 677 |
ScrollView {
|
|
| 678 |
VStack(spacing: 18) {
|
|
| 679 |
MeterInfoCardView(title: charger.name, tint: .orange) {
|
|
| 680 |
MeterInfoRowView(label: "Saved", value: measurement.endedAt.format()) |
|
| 681 |
MeterInfoRowView(label: "Average", value: "\(measurement.averagePowerWatts.format(decimalDigits: 3)) W") |
|
| 682 |
MeterInfoRowView(label: "Samples", value: "\(measurement.sampleCount)") |
|
| 683 |
MeterInfoRowView(label: "Duration", value: formattedDuration(measurement.duration)) |
|
| 684 |
} |
|
| 685 | ||
| 686 |
ChargerStandbyPowerMeasurementSnapshotView(measurement: measurement) |
|
| 687 |
} |
|
| 688 |
.padding() |
|
| 689 |
} |
|
| 690 |
.background( |
|
| 691 |
LinearGradient( |
|
| 692 |
colors: [.orange.opacity(0.16), Color.clear], |
|
| 693 |
startPoint: .topLeading, |
|
| 694 |
endPoint: .bottomTrailing |
|
| 695 |
) |
|
| 696 |
.ignoresSafeArea() |
|
| 697 |
) |
|
| 698 |
.navigationTitle("Measurement")
|
|
| 699 |
} else {
|
|
| 700 |
Text("This measurement is no longer available.")
|
|
| 701 |
.foregroundColor(.secondary) |
|
| 702 |
.navigationTitle("Measurement")
|
|
| 703 |
} |
|
| 704 |
} |
|
| 705 |
} |
|
| 706 | ||
| 707 |
private func formattedDuration(_ duration: TimeInterval) -> String {
|
|
| 708 |
let formatter = DateComponentsFormatter() |
|
| 709 |
formatter.allowedUnits = duration >= 3600 ? [.hour, .minute, .second] : [.minute, .second] |
|
| 710 |
formatter.unitsStyle = .abbreviated |
|
| 711 |
formatter.zeroFormattingBehavior = .pad |
|
| 712 |
return formatter.string(from: max(duration, 0)) ?? "0s" |
|
| 713 |
} |
|
| 714 |
} |
|
| 715 | ||
| 716 |
private struct ChargerStandbyPowerMeasurementSnapshotView: View {
|
|
| 717 |
let measurement: ChargerStandbyPowerMeasurementSummary |
|
| 718 | ||
| 719 |
var body: some View {
|
|
| 720 |
VStack(spacing: 18) {
|
|
| 721 |
stabilityCard |
|
| 722 |
projectionCard |
|
| 723 |
distributionCard |
|
| 724 |
statisticsCard |
|
| 725 |
} |
|
| 726 |
} |
|
| 727 | ||
| 728 |
private var stabilityCard: some View {
|
|
| 729 |
VStack(alignment: .leading, spacing: 10) {
|
|
| 730 |
HStack {
|
|
| 731 |
VStack(alignment: .leading, spacing: 4) {
|
|
| 732 |
Text(measurement.isStable ? "Enough Samples" : "Still Settling") |
|
| 733 |
.font(.headline) |
|
| 734 |
Text("Saved \(measurement.endedAt.format())")
|
|
| 735 |
.font(.caption) |
|
| 736 |
.foregroundColor(.secondary) |
|
| 737 |
} |
|
| 738 | ||
| 739 |
Spacer() |
|
| 740 | ||
| 741 |
Text(measurement.isStable ? "Ready" : "Live") |
|
| 742 |
.font(.caption.weight(.semibold)) |
|
| 743 |
.padding(.horizontal, 10) |
|
| 744 |
.padding(.vertical, 6) |
|
| 745 |
.foregroundColor(measurement.isStable ? .green : .orange) |
|
| 746 |
.meterCard( |
|
| 747 |
tint: measurement.isStable ? .green : .orange, |
|
| 748 |
fillOpacity: 0.10, |
|
| 749 |
strokeOpacity: 0.16, |
|
| 750 |
cornerRadius: 999 |
|
| 751 |
) |
|
| 752 |
} |
|
| 753 | ||
| 754 |
Text("\(measurement.averagePowerWatts.format(decimalDigits: 3)) W")
|
|
| 755 |
.font(.system(.largeTitle, design: .rounded).weight(.bold)) |
|
| 756 |
.monospacedDigit() |
|
| 757 | ||
| 758 |
Text( |
|
| 759 |
"Recent drift: \((measurement.stabilityDeltaWatts * 1000).format(decimalDigits: 2)) mW, tolerance \((measurement.stabilityToleranceWatts * 1000).format(decimalDigits: 2)) mW over \(measurement.sampleCount) samples." |
|
| 760 |
) |
|
| 761 |
.font(.footnote) |
|
| 762 |
.foregroundColor(.secondary) |
|
| 763 |
} |
|
| 764 |
.frame(maxWidth: .infinity, alignment: .leading) |
|
| 765 |
.padding(18) |
|
| 766 |
.meterCard( |
|
| 767 |
tint: measurement.isStable ? .green : .orange, |
|
| 768 |
fillOpacity: 0.18, |
|
| 769 |
strokeOpacity: 0.24 |
|
| 770 |
) |
|
| 771 |
} |
|
| 772 | ||
| 773 |
private var projectionCard: some View {
|
|
| 774 |
MeterInfoCardView( |
|
| 775 |
title: "Consumption Projection", |
|
| 776 |
infoMessage: "These projections extrapolate only from the measured standby average. They do not say anything about charger behaviour under load.", |
|
| 777 |
tint: .teal |
|
| 778 |
) {
|
|
| 779 |
MeterInfoRowView(label: "Average Power", value: "\(measurement.averagePowerWatts.format(decimalDigits: 3)) W") |
|
| 780 |
MeterInfoRowView(label: "24 Hours", value: standbyEnergyLabel(measurement.projectedDailyEnergyWh)) |
|
| 781 |
MeterInfoRowView(label: "7 Days", value: standbyEnergyLabel(measurement.projectedWeeklyEnergyWh)) |
|
| 782 |
MeterInfoRowView(label: "30 Days", value: standbyEnergyLabel(measurement.projectedMonthlyEnergyWh)) |
|
| 783 |
MeterInfoRowView(label: "1 Year", value: standbyEnergyLabel(measurement.projectedYearlyEnergyWh)) |
|
| 784 |
} |
|
| 785 |
} |
|
| 786 | ||
| 787 |
private var distributionCard: some View {
|
|
| 788 |
MeterInfoCardView( |
|
| 789 |
title: "Distribution", |
|
| 790 |
infoMessage: "Bars show how often each power interval appeared. The curve overlays a normal approximation around the observed mean and deviation.", |
|
| 791 |
tint: .orange |
|
| 792 |
) {
|
|
| 793 |
StandbyPowerHistogramView( |
|
| 794 |
histogram: measurement.histogram, |
|
| 795 |
averagePowerWatts: measurement.averagePowerWatts, |
|
| 796 |
standardDeviationPowerWatts: measurement.standardDeviationPowerWatts, |
|
| 797 |
tint: .orange |
|
| 798 |
) |
|
| 799 |
.frame(height: 220) |
|
| 800 | ||
| 801 |
if let firstBin = measurement.histogram.first, let lastBin = measurement.histogram.last {
|
|
| 802 |
HStack {
|
|
| 803 |
Text("\(firstBin.lowerBoundWatts.format(decimalDigits: 3)) W")
|
|
| 804 |
Spacer() |
|
| 805 |
Text("\(lastBin.upperBoundWatts.format(decimalDigits: 3)) W")
|
|
| 806 |
} |
|
| 807 |
.font(.caption) |
|
| 808 |
.foregroundColor(.secondary) |
|
| 809 |
.monospacedDigit() |
|
| 810 |
} |
|
| 811 |
} |
|
| 812 |
} |
|
| 813 | ||
| 814 |
private var statisticsCard: some View {
|
|
| 815 |
MeterInfoCardView(title: "Interesting Stats", tint: .indigo) {
|
|
| 816 |
MeterInfoRowView(label: "Median", value: "\(measurement.medianPowerWatts.format(decimalDigits: 3)) W") |
|
| 817 |
MeterInfoRowView(label: "Minimum", value: "\(measurement.minimumPowerWatts.format(decimalDigits: 3)) W") |
|
| 818 |
MeterInfoRowView(label: "Maximum", value: "\(measurement.maximumPowerWatts.format(decimalDigits: 3)) W") |
|
| 819 |
MeterInfoRowView(label: "Spread σ", value: "\(measurement.standardDeviationPowerWatts.format(decimalDigits: 4)) W") |
|
| 820 |
MeterInfoRowView(label: "Variation", value: "\(Int((measurement.coefficientOfVariation * 100).rounded()))%") |
|
| 821 |
MeterInfoRowView(label: "Mean Current", value: "\(measurement.averageCurrentAmps.format(decimalDigits: 3)) A") |
|
| 822 |
MeterInfoRowView(label: "Mean Voltage", value: "\(measurement.averageVoltageVolts.format(decimalDigits: 3)) V") |
|
| 823 |
MeterInfoRowView(label: "Power Density", value: "\(measurement.averagePowerWatts.format(decimalDigits: 3)) W steady") |
|
| 824 |
} |
|
| 825 |
} |
|
| 826 | ||
| 827 |
private func standbyEnergyLabel(_ wattHours: Double) -> String {
|
|
| 828 |
if wattHours >= 1000 {
|
|
| 829 |
return "\((wattHours / 1000).format(decimalDigits: 3)) kWh" |
|
| 830 |
} |
|
| 831 |
return "\(wattHours.format(decimalDigits: 2)) Wh" |
|
| 832 |
} |
|
| 833 |
} |