Feat: Working on pressure estimations feature

Package.swift

@@ -5,16 +5,17 @@ import PackageDescription
 let package = Package(
   name: "swift-estimated-pressures-core",
   platforms: [
-    .iOS(.v16),
+    .iOS(.v17),
-    .macOS(.v13),
+    .macOS(.v14),
     .tvOS(.v14),
     .watchOS(.v7),
   ],
   products: [
     .library(name: "CalculateAtFeature", targets: ["CalculateAtFeature"]),
     .library(name: "EstimatedPressureDependency", targets: ["EstimatedPressureDependency"]),
+    .library(name: "PressureEstimationsFeature", targets: ["PressureEstimationsFeature"]),
     .library(name: "SharedModels", targets: ["SharedModels"]),
-    .library(name: "StaticPressureFeature", targets: ["StaticPressureFeature"]),
+    .library(name: "Styleguide", targets: ["Styleguide"]),
   ],
   dependencies: [
     .package(
@@ -55,7 +56,12 @@ let package = Package(
       ]
     ),
     .target(name: "SharedModels"),
-    .target(name: "Styleguide"),
+    .target(
+      name: "Styleguide",
+      dependencies: [
+        "SharedModels"
+      ]
+    ),
     .testTarget(
       name: "EstimatedPressureTests",
       dependencies: [
@@ -64,7 +70,7 @@ let package = Package(
       ]
     ),
     .target(
-      name: "StaticPressureFeature",
+      name: "PressureEstimationsFeature",
       dependencies: [
         "EstimatedPressureDependency",
         "SharedModels",

Sources/CalculateAtFeature/CalculateAtView.swift

@@ -321,6 +321,8 @@ public struct CalculateAtView: View {
             Text("Inputs")
             Spacer()
             InfoButton { send(.infoButtonTapped) }
+              .foregroundStyle(Color.accentColor)
+              .buttonStyle(.plain)
           }
           .labelStyle(.iconOnly)
         } footer: {
@@ -338,7 +340,7 @@ public struct CalculateAtView: View {
       Spacer()
     }
     .bind($focus, to: $store.focus)
-    .onAppear { send(.onAppear) }
+    .onAppear { focus = .existingAirflow }
     .sheet(isPresented: $store.isPresentingInfoView) {
       NavigationStack {
         InfoView(calculationType: store.calculationType)

Sources/PressureEstimationsFeature/AirHandlerMeasurementForm.swift

@@ -0,0 +1,242 @@
+import ComposableArchitecture
+import DependenciesAdditions
+import EstimatedPressureDependency
+import SharedModels
+import Styleguide
+import SwiftUI
+import TCAExtras
+
+@Reducer
+public struct AirHandlerMeasurementForm {
+  
+  @ObservableState
+  public struct State: Equatable {
+    public var calculatedMeasurement: EquipmentMeasurement.AirHandler?
+    public var focusedField: Field?
+    public var measurement: EquipmentMeasurement.AirHandler
+    public var updatedAirflow: Double?
+    public var fanType: FanType
+    public var ratedStaticPressures = RatedStaticPressures()
+
+    public init(
+      calculatedMeasurement: EquipmentMeasurement.AirHandler? = nil,
+      focusedField: Field? = nil,
+      measurement: EquipmentMeasurement.AirHandler = .init(),
+      updatedAirflow: Double? = nil,
+      fanType: FanType = .constantSpeed
+    ) {
+      self.calculatedMeasurement = calculatedMeasurement
+      self.focusedField = focusedField
+      self.measurement = measurement
+      self.updatedAirflow = updatedAirflow
+      self.fanType = fanType
+    }
+    
+    public var isValid: Bool {
+      return measurement.returnPlenumPressure != nil
+      && measurement.postFilterPressure != nil
+      && measurement.postCoilPressure != nil
+      && measurement.supplyPlenumPressure != nil
+      && measurement.airflow != nil
+      && updatedAirflow != nil
+    }
+    
+    public enum Field: String, Equatable, CaseIterable, FocusableField {
+      case returnPlenumPressure
+      case postFilterPressure
+      case postCoilPressure
+      case supplyPlenumPressure
+      case airflow
+      case updatedAirflow
+    }
+  }
+  
+  public enum Action: BindableAction, ViewAction {
+    case binding(BindingAction<State>)
+    case receive(TaskResult<EquipmentMeasurement.AirHandler?>)
+    case view(View)
+   
+    @CasePathable
+    public enum View {
+      case infoButtonTapped
+      case resetButtonTapped
+      case submitField
+    }
+  }
+  
+  @Dependency(\.estimatedPressuresClient) var estimatedPressuresClient
+  @Dependency(\.logger["\(Self.self)"]) var logger
+  
+  public var body: some Reducer<State, Action> {
+    BindingReducer()
+    Reduce<State, Action> { state, action in
+      switch action {
+      case .binding:
+        return .none
+        
+      case let .receive(.success(calculatedMeasurement)):
+        state.calculatedMeasurement = calculatedMeasurement
+        return .none
+        
+      case .receive:
+        return .none
+        
+      case let .view(action):
+        switch action {
+
+        case .infoButtonTapped:
+          #warning("Fix me.")
+          return .none
+
+        case .resetButtonTapped:
+          state.measurement = .init()
+          state.updatedAirflow = nil
+          return .none
+
+        case .submitField:
+          state.focusedField = state.focusedField?.next
+          guard state.isValid else { return .none }
+          return calculateEstimates(state: state)
+          
+        }
+      }
+    }
+    .onFailure(case: \.receive, .log(logger: logger))
+  }
+  
+  private func calculateEstimates(state: State) -> Effect<Action> {
+    .receive(action: \.receive) {
+      let result = try await estimatedPressuresClient.estimatedPressure(
+        for: .airHandler(state.measurement),
+        at: state.updatedAirflow ?? 0
+      )
+      
+      guard case let .airHandler(airHandler) = result else {
+        return .none
+      }
+      return airHandler
+    }
+  }
+}
+
+@ViewAction(for: AirHandlerMeasurementForm.self)
+public struct AirHandlerMeasurementFormView: View {
+  @FocusState private var focusedField: AirHandlerMeasurementForm.State.Field?
+  @Bindable public var store: StoreOf<AirHandlerMeasurementForm>
+
+  public init(
+    store: StoreOf<AirHandlerMeasurementForm>
+  ) {
+    self.store = store
+    self.focusedField = store.focusedField
+  }
+
+
+  public var body: some View {
+    Form {
+      Section {
+        textField(
+          "Return Plenum Pressure",
+          value: $store.measurement.returnPlenumPressure
+        )
+        .focused($focusedField, equals: .returnPlenumPressure)
+        .onSubmit { send(.submitField) }
+        .decimalPad()
+
+        textField(
+          "Post-Filter Pressure",
+          value: $store.measurement.postFilterPressure
+        )
+        .focused($focusedField, equals: .postFilterPressure)
+        .onSubmit { send(.submitField) }
+        .decimalPad()
+
+        textField(
+          "Post-Coil Pressure",
+          value: $store.measurement.postCoilPressure
+        )
+        .focused($focusedField, equals: .postCoilPressure)
+        .onSubmit { send(.submitField) }
+        .decimalPad()
+
+        textField(
+          "Supply Plenum Pressure",
+          value: $store.measurement.supplyPlenumPressure
+        )
+        .focused($focusedField, equals: .supplyPlenumPressure)
+        .onSubmit { send(.submitField) }
+        .decimalPad()
+
+        textField(
+          "Airflow",
+          value: $store.measurement.airflow,
+          fractionLength: 0
+        )
+        .focused($focusedField, equals: .airflow)
+        .onSubmit { send(.submitField) }
+        .numberPad()
+
+      } header: {
+        HStack {
+          Text("System Measurements")
+          Spacer()
+          InfoButton {
+            send(.infoButtonTapped)
+          }
+          .font(.title3)
+          .labelStyle(.iconOnly)
+          .buttonStyle(.plain)
+          .foregroundStyle(Color.accentColor)
+        }
+      }
+
+      Section {
+        FanTypePicker(selection: $store.fanType)
+          .pickerStyle(.segmented)
+
+        textField(
+          "Updated Airflow",
+          value: $store.updatedAirflow,
+          fractionLength: 0
+        )
+        .focused($focusedField, equals: .updatedAirflow)
+        .onSubmit { send(.submitField) }
+        .numberPad()
+
+      } header: {
+        Text("Estimate Settings")
+      } footer: {
+        HStack {
+          Spacer()
+          ResetButton { send(.resetButtonTapped) }
+          Spacer()
+        }
+        .padding(.top)
+      }
+
+      if let calculatedMeasurement = store.calculatedMeasurement {
+        Section {
+          Text("Display calculated measurement here.")
+        }
+      }
+
+    }
+    .bind($focusedField, to: $store.focusedField)
+  }
+
+  private func textField(
+    _ title: LocalizedStringKey,
+    value: Binding<Double?>,
+    fractionLength: Int = 2
+  ) -> TextField<Text> {
+    .init(title, value: value, fractionLength: fractionLength, prompt: Text(title))
+  }
+}
+
+#Preview {
+  AirHandlerMeasurementFormView(
+    store: Store(initialState: AirHandlerMeasurementForm.State()) {
+      AirHandlerMeasurementForm()
+    }
+  )
+}

Sources/PressureEstimationsFeature/EstimateSettingsForm.swift

@@ -0,0 +1,236 @@
+import ComposableArchitecture
+import SharedModels
+import Styleguide
+import SwiftUI
+
+@Reducer
+public struct EstimateSettingsForm {
+
+  @ObservableState
+  public struct State: Equatable {
+
+    public var budgets: BudgetedPercentEnvelope
+    public let equipmentType: EquipmentType
+    public var fanType: FanType
+    public var focusedField: Field? = nil
+    public var updatedAirflow: Double?
+
+    public init(
+      equipmentType: EquipmentType,
+      fanType: FanType = .constantSpeed,
+      updatedAirflow: Double? = nil
+    ) {
+      self.budgets = .init(equipmentType: equipmentType, fanType: fanType)
+      self.equipmentType = equipmentType
+      self.fanType = fanType
+      self.updatedAirflow = updatedAirflow
+    }
+
+    public var isValid: Bool {
+      updatedAirflow != nil 
+      && Int(budgets.total.rawValue) == 100
+    }
+
+    public enum Field: Hashable, CaseIterable, FocusableField {
+      case coilBudget
+      case filterBudget
+      case returnPlenumBudget
+      case supplyPlenumBudget
+      case updatedAirflow
+    }
+  }
+
+  public enum Action: BindableAction, ViewAction {
+    case binding(BindingAction<State>)
+    case view(View)
+
+    @CasePathable
+    public enum View {
+      case infoButtonTapped(InfoButton)
+      case resetButtonTapped
+      case submitField
+
+      @CasePathable
+      public enum InfoButton {
+        case budgets
+        case updatedAirflow
+      }
+    }
+  }
+
+  public var body: some Reducer<State, Action> {
+    BindingReducer()
+    Reduce<State, Action> { state, action in
+      switch action {
+      case .binding(\.fanType):
+        state.budgets = .init(
+          equipmentType: state.equipmentType,
+          fanType: state.fanType
+        )
+        return .none
+
+      case .binding:
+        return .none
+
+      case let .view(action):
+        switch action {
+
+        case .infoButtonTapped:
+          #warning("Fix me.")
+          return .none
+
+        case .resetButtonTapped:
+          state.budgets = .init(equipmentType: state.equipmentType, fanType: state.fanType)
+          state.updatedAirflow = nil
+          return .none
+
+        case .submitField:
+          state.focusedField = state.focusedField?.next
+          return .none
+
+        }
+      }
+    }
+  }
+}
+
+@ViewAction(for: EstimateSettingsForm.self)
+public struct EstimateSettingsFormView: View {
+
+  @FocusState private var focusedField: EstimateSettingsForm.State.Field?
+  @Bindable public var store: StoreOf<EstimateSettingsForm>
+
+  public init(store: StoreOf<EstimateSettingsForm>) {
+    self.store = store
+    self.focusedField = store.focusedField
+  }
+
+  public var body: some View {
+    Form {
+      Section {
+        EmptyView()
+      } header: {
+        TextLabel("Fan Type")
+        #if os(macOS)
+          .font(.title2)
+        #endif
+      } footer: {
+        FanTypePicker(selection: $store.fanType)
+          .pickerStyle(.segmented)
+      }
+
+      Section {
+        Grid(alignment: .leading, horizontalSpacing: 40) {
+          if store.equipmentType == .furnaceAndCoil {
+            GridRow {
+              TextLabel("Coil")
+              percentField("Coil Budget", value: $store.budgets.coilBudget.fraction)
+                .focused($focusedField, equals: .coilBudget)
+                .onSubmit { send(.submitField) }
+                .numberPad()
+            }
+          }
+
+          GridRow {
+            TextLabel("Filter")
+            percentField("Filter Budget", value: $store.budgets.filterBudget.fraction)
+              .focused($focusedField, equals: .filterBudget)
+              .onSubmit { send(.submitField) }
+              .numberPad()
+          }
+
+          GridRow {
+            TextLabel("Return")
+            percentField("Return Plenum Budget", value: $store.budgets.returnPlenumBudget.fraction)
+              .focused($focusedField, equals: .returnPlenumBudget)
+              .onSubmit { send(.submitField) }
+              .numberPad()
+          }
+
+          GridRow {
+            TextLabel("Supply")
+            percentField("Supply Plenum Budget", value: $store.budgets.supplyPlenumBudget.fraction)
+              .focused($focusedField, equals: .supplyPlenumBudget)
+              .onSubmit { send(.submitField) }
+              .numberPad()
+          }
+        }
+        .textLabelStyle(.boldSecondary)
+        .textFieldStyle(.roundedBorder)
+
+      } header: {
+        VStack {
+          HStack {
+            Text("Budgets")
+            Spacer()
+            InfoButton { send(.infoButtonTapped(.budgets)) }
+          }
+          #if os(macOS)
+          .font(.title2)
+          .padding(.top, 20)
+          #endif
+          FlaggedView(
+            flagged: Flagged(wrappedValue: store.budgets.total.rawValue, .percent())
+          )
+          .flaggedViewStyle(BudgetFlagViewStyle())
+        }
+      }
+
+      Section {
+
+      } header: {
+        HStack {
+          Text("Updated Airflow")
+          Spacer()
+          InfoButton { send(.infoButtonTapped(.updatedAirflow)) }
+        }
+      } footer: {
+        HStack {
+          ResetButton { send(.resetButtonTapped) }
+          Spacer()
+          Button("Next") {
+            #warning("Fix me.")
+          }
+        }
+        .padding(.top)
+      }
+    }
+    .labelsHidden()
+    .bind($focusedField, to: $store.focusedField)
+    .navigationTitle("Estimate Settings")
+  }
+
+  private func percentField(
+    _ title: LocalizedStringKey,
+    value: Binding<Double>
+  ) -> some View {
+    TextField(title, value: value, format: .percent, prompt: Text(title))
+  }
+}
+
+fileprivate struct BudgetFlagViewStyle: FlaggedViewStyle {
+
+  func makeBody(configuration: Configuration) -> some View {
+    HStack {
+      configuration.flagged.flagImage
+      Spacer()
+      configuration.flagged.messageView
+    }
+  }
+}
+
+#Preview {
+  NavigationStack {
+    EstimateSettingsFormView(
+      store: Store(
+        initialState: EstimateSettingsForm.State(equipmentType: .furnaceAndCoil)
+      ) {
+        EstimateSettingsForm()
+      }
+    )
+    #if os(macOS)
+    .frame(width: 400, height: 600)
+    .padding()
+    #endif
+  }
+}

Sources/SharedModels/BudgetedPercentEnvelope.swift

@@ -23,6 +23,10 @@ public struct BudgetedPercentEnvelope: Equatable {
     self.supplyPlenumBudget = supplyPlenumBudget
   }
 
+  public var total: Percentage {
+    coilBudget + filterBudget + supplyPlenumBudget + returnPlenumBudget
+  }
+
   public init(equipmentType: EquipmentType, fanType: FanType) {
     switch equipmentType {
     case .furnaceAndCoil:

Sources/SharedModels/FanType.swift

@@ -1,9 +1,11 @@
 import Foundation
 
-public enum FanType: Equatable, CaseIterable, CustomStringConvertible {
+public enum FanType: Hashable, Equatable, CaseIterable, CustomStringConvertible, Identifiable {
   case constantSpeed
   case variableSpeed
 
+  public var id: Self { self }
+
   public var description: String {
     switch self {
     case .constantSpeed:

Sources/SharedModels/Flagged.swift

@@ -158,6 +158,12 @@ extension Flagged.CheckHandler {
     .rated(RatedAirflowLimits(tons: tons, using: ratings), goodMessage: goodMessage)
   }
 
+  public static func percent(
+    goodMessage: Flagged.GoodMessageHandler = .none
+  ) -> Self {
+    .using(maximum: 100, minimum: 100, rated: 100)
+  }
+
   public static func rated<T>(
     _ ratings: RatedEnvelope<T>,
     goodMessage: Flagged.GoodMessageHandler? = nil

Sources/SharedModels/HelperTypes/Percentage.swift

@@ -13,7 +13,8 @@ public struct Percentage: Equatable, RawRepresentable {
   }
   
   public var fraction: Double {
-    self.rawValue / 100
+    get { self.rawValue / 100 }
+    set { self.rawValue = newValue * 100 }
   }
 }
 

Sources/StaticPressureFeature/AirHandlerMeasurementForm.swift

@@ -1,116 +0,0 @@
-import ComposableArchitecture
-import DependenciesAdditions
-import EstimatedPressureDependency
-import SharedModels
-import SwiftUI
-import TCAExtras
-
-@Reducer
-public struct AirHandlerMeasurementForm {
-  
-  @ObservableState
-  public struct State: Equatable {
-    public var calculatedMeasurement: EquipmentMeasurement.AirHandler?
-    public var focusedField: Field?
-    public var measurement: EquipmentMeasurement.AirHandler
-    public var updatedAirflow: Double?
-    
-    public init(
-      calculatedMeasurement: EquipmentMeasurement.AirHandler? = nil,
-      focusedField: Field? = nil,
-      measurement: EquipmentMeasurement.AirHandler = .init(),
-      updatedAirflow: Double? = nil
-    ) {
-      self.calculatedMeasurement = calculatedMeasurement
-      self.focusedField = focusedField
-      self.measurement = measurement
-      self.updatedAirflow = updatedAirflow
-    }
-    
-    public var isValid: Bool {
-      return measurement.returnPlenumPressure != nil
-      && measurement.postFilterPressure != nil
-      && measurement.postCoilPressure != nil
-      && measurement.supplyPlenumPressure != nil
-      && measurement.airflow != nil
-      && updatedAirflow != nil
-    }
-    
-    public enum Field: String, Equatable, CaseIterable, FocusableField {
-      case returnPlenumPressure
-      case postFilterPressure
-      case postCoilPressure
-      case supplyPlenumPressure
-      case airflow
-    }
-  }
-  
-  public enum Action: BindableAction, ViewAction {
-    case binding(BindingAction<State>)
-    case receive(TaskResult<EquipmentMeasurement.AirHandler?>)
-    case view(View)
-   
-    @CasePathable
-    public enum View {
-      case submitField
-    }
-  }
-  
-  @Dependency(\.estimatedPressuresClient) var estimatedPressuresClient
-  @Dependency(\.logger["\(Self.self)"]) var logger
-  
-  public var body: some Reducer<State, Action> {
-    BindingReducer()
-    Reduce<State, Action> { state, action in
-      switch action {
-      case .binding:
-        return .none
-        
-      case let .receive(.success(calculatedMeasurement)):
-        state.calculatedMeasurement = calculatedMeasurement
-        return .none
-        
-      case .receive:
-        return .none
-        
-      case let .view(action):
-        switch action {
-          
-        case .submitField:
-          state.focusedField = state.focusedField?.next
-          guard state.isValid else { return .none }
-          return calculateEstimates(state: state)
-          
-        }
-      }
-    }
-    .onFailure(case: \.receive, .log(logger: logger))
-  }
-  
-  private func calculateEstimates(state: State) -> Effect<Action> {
-    .receive(action: \.receive) {
-      let result = try await estimatedPressuresClient.estimatedPressure(
-        for: .airHandler(state.measurement),
-        at: state.updatedAirflow ?? 0
-      )
-      
-      guard case let .airHandler(airHandler) = result else {
-        return .none
-      }
-      return airHandler
-    }
-//    return .receive(action: \.recieve) {
-//      try await estimatedPressuresClient.estimatedM
-//    }
-  }
-}
-
-public struct EquipmentMeasurementFormView: View {
-  public var body: some View {
-    Text(/*@START_MENU_TOKEN@*/"Hello, World!"/*@END_MENU_TOKEN@*/)
-  }
-}
-
-#Preview {
-  EquipmentMeasurementFormView()
-}

Sources/Styleguide/Buttons.swift

@@ -1,6 +1,9 @@
 import SwiftUI
 
 public struct InfoButton: View {
+
+  @Environment(\.infoButtonStyle) private var infoButtonStyle
+
   let action: () -> Void
 
   public init(action: @escaping () -> Void) {
@@ -11,5 +14,22 @@ public struct InfoButton: View {
     Button(action: action) {
       Label("Info", systemImage: "info.circle")
     }
+    .buttonStyle(infoButtonStyle)
+  }
+}
+
+public struct ResetButton: View {
+
+  @Environment(\.resetButtonStyle) private var resetButtonStyle
+
+  let action: () -> Void
+
+  public init(action: @escaping () -> Void) {
+    self.action = action
+  }
+
+  public var body: some View {
+    Button("Reset") { action() }
+      .buttonStyle(resetButtonStyle)
   }
 }

Sources/Styleguide/FanTypePicker.swift

@@ -0,0 +1,21 @@
+import SharedModels
+import SwiftUI
+
+public struct FanTypePicker: View {
+
+  @Binding var selection: FanType
+
+  public init(selection: Binding<FanType>) {
+    self._selection = selection
+  }
+
+  public var body: some View {
+    Picker("Fan Type", selection: $selection) {
+      ForEach(FanType.allCases) {
+        Text($0.description)
+          .tag($0)
+      }
+    }
+  }
+}
+

Sources/Styleguide/FlaggedView.swift

@@ -0,0 +1,142 @@
+import SharedModels
+import SwiftUI
+
+public struct FlaggedView<Label: View>: View {
+
+  @Environment(\.flaggedViewStyle) private var flaggedViewStyle
+
+  let label: () -> Label
+  let flagged: Flagged
+
+  public init(
+    flagged: Flagged,
+    @ViewBuilder label: @escaping () -> Label
+  ) {
+    self.label = label
+    self.flagged = flagged
+  }
+
+  public var body: some View {
+    flaggedViewStyle.makeBody(
+      configuration: .init(flagged: flagged, label: .init(label()))
+    )
+  }
+}
+
+extension FlaggedView where Label == Text {
+  public init(_ title: LocalizedStringKey, flagged: Flagged) {
+    self.init(flagged: flagged) { Text(title) }
+  }
+}
+
+extension FlaggedView where Label == EmptyView {
+  public init(flagged: Flagged) {
+    self.init(flagged: flagged) { EmptyView() }
+  }
+}
+
+//public struct FlaggedView: View {
+//
+//  public let style: Style?
+//  public let title: String
+//  public let flagged: Flagged
+//  public let fractionLength: Int
+//
+//  public init(
+//    style: Style? = nil,
+//    title: String,
+//    flagged: Flagged,
+//    fractionLength: Int = 3
+//  ) {
+//    self.style = style
+//    self.title = title
+//    self.flagged = flagged
+//    self.fractionLength = fractionLength
+//  }
+//
+//  public init(
+//    _ title: String,
+//    flagged: Flagged,
+//    style: Style? = nil,
+//    fractionLength: Int = 3
+//  ) {
+//    self.style = style
+//    self.title = title
+//    self.flagged = flagged
+//    self.fractionLength = fractionLength
+//  }
+//
+//  @ViewBuilder
+//  private var messageView: some View {
+//    if let message = flagged.message {
+//      HStack {
+//        Text(flagged.projectedValue.key.title)
+//          .bold()
+//          .foregroundStyle(flagged.projectedValue.key.flagColor)
+//
+//        Text(message)
+//          .foregroundStyle(Color.secondary)
+//      }
+//      .font(.caption)
+//    }
+//  }
+//
+//  public var body: some View {
+//    switch style {
+//    case .none:
+//      VStack(alignment: .leading, spacing: 8) {
+//        HStack {
+//          Text(title)
+//            .foregroundStyle(Color.secondary)
+//          Spacer()
+//          Text(
+//            flagged.wrappedValue,
+//            format: .number.precision(.fractionLength(fractionLength))
+//          )
+//          Image(systemName: "flag.fill")
+//            .foregroundStyle(flagged.projectedValue.key.flagColor)
+//        }
+//        messageView
+//      }
+//    case .some(.gridRow):
+//      GridRow {
+//        VStack(alignment: .leading, spacing: 8) {
+//          Text(title)
+//            .foregroundStyle(Color.secondary)
+//          messageView
+//        }
+//
+//        Spacer()
+//
+//        Text(flagged.wrappedValue, format: .number.precision(.fractionLength(fractionLength)))
+//          .gridCellAnchor(.trailing)
+//
+//        Image(systemName: "flag.fill")
+//          .foregroundStyle(flagged.flagColor)
+//          .gridCellAnchor(.trailing)
+//      }
+//
+//    }
+//  }
+//
+//  public enum Style {
+//    case gridRow
+//  }
+//
+//  public static func gridRow(_ title: String, flagged: Flagged) -> Self {
+//    .init(style: .gridRow, title: title, flagged: flagged)
+//  }
+//}
+
+
+//#Preview {
+//  List {
+//    Grid(horizontalSpacing: 20) {
+//      FlaggedView(style: .gridRow, title: "Test", flagged: .error(message: "Error message"))
+//      FlaggedView(style: .gridRow, title: "Test", flagged: .init(wrappedValue: 0.5, .result(.good("Good message"))))
+//    }
+//
+//    FlaggedView(style: nil, title: "Test", flagged: .error(message: "Error message"))
+//    FlaggedView(style: nil, title: "Test", flagged: .init(wrappedValue: 0.5, .result(.good("Good message"))))
+//  }
+//}

Sources/Styleguide/FocusableField.swift

@@ -1,6 +1,6 @@
 import Foundation
 
-public protocol FocusableField {
+public protocol FocusableField: Hashable {
   var next: Self? { get }
 }
 

Sources/Styleguide/Styles/ButtonStyles.swift

@@ -0,0 +1,90 @@
+import SwiftUI
+
+/// A name space for info button styles.
+public enum InfoButtonType { }
+
+/// A name space for info button styles.
+public enum ResetButtonType { }
+
+
+public struct AnyButtonStyle<ButtonType>: ButtonStyle {
+  private let _makeBody: (Configuration) -> AnyView
+
+  public init<S: ButtonStyle>(_ style: S) {
+    self._makeBody = { configuration in
+      AnyView(style.makeBody(configuration: configuration))
+    }
+  }
+
+  public func makeBody(configuration: Configuration) -> some View {
+    self._makeBody(configuration)
+  }
+}
+
+
+public struct DefaultInfoButtonStyle: ButtonStyle {
+  public func makeBody(configuration: Configuration) -> some View {
+    configuration.label
+      .buttonStyle(.plain)
+      .foregroundStyle(Color.accentColor)
+      .labelStyle(.iconOnly)
+  }
+}
+
+extension AnyButtonStyle where ButtonType == InfoButtonType {
+  public static var `default`: Self {
+    .init(DefaultInfoButtonStyle())
+  }
+}
+
+public struct DefaultResetButtonStyle: ButtonStyle {
+  public func makeBody(configuration: Configuration) -> some View {
+    configuration.label
+      .buttonStyle(.borderedProminent)
+  }
+}
+
+extension AnyButtonStyle where ButtonType == ResetButtonType {
+  public static var `default`: Self {
+    .init(DefaultResetButtonStyle())
+  }
+}
+
+private struct InfoButtonStyleKey: EnvironmentKey {
+  static var defaultValue = AnyButtonStyle<InfoButtonType>.default
+}
+
+private struct ResetButtonStyleKey: EnvironmentKey {
+  static var defaultValue = AnyButtonStyle<ResetButtonType>.default
+}
+
+extension EnvironmentValues {
+  public var infoButtonStyle: AnyButtonStyle<InfoButtonType> {
+    get { self[InfoButtonStyleKey.self] }
+    set { self[InfoButtonStyleKey.self] = newValue }
+  }
+
+  public var resetButtonStyle: AnyButtonStyle<ResetButtonType> {
+    get { self[ResetButtonStyleKey.self] }
+    set { self[ResetButtonStyleKey.self] = newValue }
+  }
+}
+
+extension View {
+
+  public func infoButtonStyle(_ style: AnyButtonStyle<InfoButtonType>) -> some View {
+    environment(\.infoButtonStyle, AnyButtonStyle(style))
+  }
+
+  public func infoButtonStyle<S: ButtonStyle>(_ style: S) -> some View {
+    infoButtonStyle(AnyButtonStyle(style))
+  }
+
+  public func resetButtonStyle(_ style: AnyButtonStyle<ResetButtonType>) -> some View {
+    environment(\.resetButtonStyle, AnyButtonStyle(style))
+  }
+
+  public func resetButtonStyle<S: ButtonStyle>(_ style: S) -> some View {
+    resetButtonStyle(AnyButtonStyle(style))
+  }
+}

Sources/Styleguide/Styles/FlaggedViewStyle.swift

@@ -0,0 +1,176 @@
+import SharedModels
+import SwiftUI
+
+public protocol FlaggedViewStyle {
+  associatedtype Body: View
+  typealias Configuration = FlaggedViewStyleConfiguration
+
+  @ViewBuilder
+  func makeBody(configuration: Self.Configuration) -> Self.Body
+}
+
+public struct FlaggedViewStyleConfiguration {
+  public let flagged: Flagged
+  public let label: Label
+
+  /// A type erased label for a flagged view.
+  public struct Label: View {
+    public let body: AnyView
+
+    public init<Content: View>(_ content: Content) {
+      self.body = AnyView(content)
+    }
+  }
+}
+
+public struct AnyFlaggedViewStyle: FlaggedViewStyle {
+  private var _makeBody: (Configuration) -> AnyView
+
+  internal init(makeBody: @escaping (Configuration) -> AnyView) {
+    self._makeBody = makeBody
+  }
+
+  public init<S: FlaggedViewStyle>(style: S) {
+    self.init { configuration in
+      AnyView(style.makeBody(configuration: configuration))
+    }
+  }
+
+  public func makeBody(configuration: Configuration) -> some View {
+    _makeBody(configuration)
+  }
+}
+
+public struct DefaultFlagViewStyle: FlaggedViewStyle {
+
+  let alignment: HorizontalAlignment
+  let fractionLength: Int
+  let spacing: CGFloat
+
+  init(
+    alignment: HorizontalAlignment = .leading,
+    fractionLength: Int = 2,
+    spacing: CGFloat = 8
+  ) {
+    self.alignment = alignment
+    self.fractionLength = fractionLength
+    self.spacing = spacing
+  }
+
+  public func makeBody(configuration: Configuration) -> some View {
+    VStack(alignment: alignment, spacing: spacing) {
+      HStack {
+        configuration.label
+        Spacer()
+        Text(
+          configuration.flagged.wrappedValue,
+          format: .number.precision(.fractionLength(fractionLength))
+        )
+        configuration.flagged.flagImage
+      }
+      flaggedMessageView(flagged: configuration.flagged)
+    }
+  }
+
+}
+
+public struct FlagAndMessageOnlyStyle: FlaggedViewStyle {
+
+  public enum StackStyle {
+    case horizontal
+    case vertical
+  }
+
+  let stackStyle: StackStyle
+
+  @ViewBuilder
+  public func makeBody(configuration: Configuration) -> some View {
+    switch stackStyle {
+    case .horizontal:
+      HStack {
+        flaggedMessageView(flagged: configuration.flagged)
+        configuration.flagged.flagImage
+      }
+    case .vertical:
+      VStack {
+        configuration.flagged.flagImage
+        flaggedMessageView(flagged: configuration.flagged)
+      }
+    }
+  }
+}
+
+extension FlaggedViewStyle where Self == FlagAndMessageOnlyStyle {
+  public static func flagAndMessageOnly(_ stackStyle: FlagAndMessageOnlyStyle.StackStyle = .vertical) -> Self {
+    .init(stackStyle: stackStyle)
+  }
+}
+
+private struct FlaggedViewStyleKey: EnvironmentKey {
+  static let defaultValue = AnyFlaggedViewStyle(style: DefaultFlagViewStyle())
+}
+
+extension EnvironmentValues {
+  public var flaggedViewStyle: AnyFlaggedViewStyle {
+    get { self[FlaggedViewStyleKey.self] }
+    set { self[FlaggedViewStyleKey.self] = newValue }
+  }
+}
+
+extension FlaggedViewStyle where Self == DefaultFlagViewStyle {
+  public static func `default`(alignment: HorizontalAlignment = .leading, fractionLength: Int = 2, spacing: CGFloat = 8) -> Self {
+    .init(alignment: alignment, fractionLength: fractionLength, spacing: spacing)
+  }
+}
+
+
+extension Flagged.CheckResult.Key {
+
+  public var flagColor: Color {
+    switch self {
+    case .good:
+      return .green
+    case .warning:
+      return .yellow
+    case .error:
+      return .red
+    }
+  }
+}
+
+
+extension Flagged {
+  public var flagColor: Color { projectedValue.key.flagColor }
+
+  public var flagImage: some View {
+    Image(systemName: "flag.fill")
+      .foregroundStyle(flagColor)
+  }
+
+  public var messageView: some View { flaggedMessageView(flagged: self) }
+}
+
+@ViewBuilder
+private func flaggedMessageView(flagged: Flagged) -> some View {
+  if let message = flagged.message {
+    HStack {
+      Text(flagged.projectedValue.key.title)
+        .bold()
+        .foregroundStyle(flagged.projectedValue.key.flagColor)
+      TextLabel(message)
+    }
+    .font(.caption)
+  }
+}
+
+extension View {
+  public func flaggedViewStyle(_ style: AnyFlaggedViewStyle) -> some View {
+    environment(\.flaggedViewStyle, style)
+  }
+
+  public func flaggedViewStyle<S: FlaggedViewStyle>(
+    _ style: S
+  ) -> some View {
+    environment(\.flaggedViewStyle, AnyFlaggedViewStyle(style: style))
+  }
+}

Sources/Styleguide/Styles/TextLabelStyle.swift

@@ -0,0 +1,175 @@
+import SwiftUI
+
+public protocol TextLabelStyle {
+
+  associatedtype Body: View
+  typealias Configuration = TextLabelConfiguration
+
+  func makeBody(configuration: Self.Configuration) -> Self.Body
+}
+
+extension TextLabelStyle {
+  public func combining<Other: TextLabelStyle>(_ style: Other) -> AnyTextLabelStyle {
+    AnyTextLabelStyle(style: self).combining(style)
+  }
+}
+
+public struct TextLabelConfiguration {
+
+  /// A type erased label for a text label.
+  public struct Label: View {
+    public var body: AnyView
+
+    public init<Content: View>(content: Content) {
+      body = AnyView(content)
+    }
+  }
+
+  public let label: TextLabelConfiguration.Label
+}
+
+public struct AnyTextLabelStyle: TextLabelStyle {
+  private var _makeBody: (Configuration) -> AnyView
+
+  internal init(makeBody: @escaping (Configuration) -> AnyView) {
+    self._makeBody = makeBody
+  }
+
+  public init<S: TextLabelStyle>(style: S) {
+    self._makeBody = { configuration in
+      AnyView(style.makeBody(configuration: configuration))
+    }
+  }
+
+  public func makeBody(configuration: Configuration) -> some View {
+    _makeBody(configuration)
+  }
+
+  public func combining<S: TextLabelStyle>(_ style: S) -> Self {
+    Self.init { configuration in
+      AnyView(
+        self.makeBody(
+          configuration: TextLabelConfiguration(
+            label: .init(content: style.makeBody(configuration: configuration))
+          )
+        ))
+    }
+  }
+}
+
+public struct AutomaticTextLabelStyle: TextLabelStyle {
+  public func makeBody(configuration: Configuration) -> some View {
+    configuration.label
+  }
+}
+
+private struct TextLabelStyleKey: EnvironmentKey {
+  static let defaultValue = AnyTextLabelStyle(style: AutomaticTextLabelStyle())
+}
+
+private struct SectionHeaderLabelStyleKey: EnvironmentKey {
+  static let defaultValue = AnyTextLabelStyle(style: AutomaticTextLabelStyle())
+}
+
+extension EnvironmentValues {
+  public var textLabelStyle: AnyTextLabelStyle {
+    get { self[TextLabelStyleKey.self] }
+    set { self[TextLabelStyleKey.self] = newValue }
+  }
+
+  public var sectionHeaderLabelStyle: AnyTextLabelStyle {
+    get { self[SectionHeaderLabelStyleKey.self] }
+    set { self[SectionHeaderLabelStyleKey.self] = newValue }
+  }
+}
+
+public struct FontTextLabelStyle: TextLabelStyle {
+  let font: Font?
+  let fontWeight: Font.Weight?
+
+  public func makeBody(configuration: Configuration) -> some View {
+    configuration.label
+      .font(font)
+      .fontWeight(fontWeight)
+  }
+}
+
+public struct ColoredTextLabelStyle: TextLabelStyle {
+
+  let primary: Color
+  let secondary: Color?
+  let tertiary: Color?
+
+  @ViewBuilder
+  public func makeBody(configuration: Configuration) -> some View {
+    switch (secondary, tertiary) {
+    case let (.some(secondary), .some(tertiary)):
+      configuration.label.foregroundStyle(primary, secondary, tertiary)
+    case let (.some(secondary), .none):
+      configuration.label.foregroundStyle(primary, secondary)
+    case let (.none, .some(tertiary)):
+      configuration.label.foregroundStyle(primary, tertiary)
+    case (.none, .none):
+      configuration.label.foregroundStyle(primary)
+    }
+  }
+
+  public func font(_ font: Font? = nil, fontWeight: Font.Weight? = nil) -> AnyTextLabelStyle {
+    self.combining(.font(font, fontWeight: fontWeight))
+  }
+}
+
+extension TextLabelStyle where Self == AutomaticTextLabelStyle {
+  public static var automatic: Self {
+    .init()
+  }
+}
+
+extension TextLabelStyle where Self == FontTextLabelStyle {
+  public static func font(_ font: Font? = nil, fontWeight: Font.Weight? = nil) -> Self {
+    .init(font: font, fontWeight: fontWeight)
+  }
+
+  public static var heavyTitle2: Self {
+    .font(.title2, fontWeight: .heavy)
+  }
+}
+
+extension TextLabelStyle where Self == ColoredTextLabelStyle {
+
+  public static func colored(_ color: Color) -> Self {
+    .init(primary: color, secondary: nil, tertiary: nil)
+  }
+
+  public static func colored(_ primary: Color, _ secondary: Color, _ tertiary: Color? = nil) -> Self {
+    .init(primary: primary, secondary: secondary, tertiary: tertiary)
+  }
+
+  public static var secondary: Self {
+    self.colored(.secondary)
+  }
+}
+
+extension AnyTextLabelStyle {
+
+  public static var boldSecondary: AnyTextLabelStyle {
+    ColoredTextLabelStyle(primary: .secondary, secondary: nil, tertiary: nil)
+      .combining(.font(fontWeight: .bold))
+  }
+
+}
+
+extension View {
+
+  public func textLabelStyle(_ style: AnyTextLabelStyle) -> some View {
+    environment(\.textLabelStyle, style)
+  }
+
+  public func textLabelStyle<S: TextLabelStyle>(_ style: S) -> some View {
+    environment(\.textLabelStyle, AnyTextLabelStyle(style: style))
+  }
+
+  public func sectionHeaderLabelStyle<S: TextLabelStyle>(_ style: S) -> some View {
+    environment(\.sectionHeaderLabelStyle, AnyTextLabelStyle(style: style))
+  }
+}

Sources/Styleguide/TextField+Precision.swift

@@ -0,0 +1,19 @@
+import SwiftUI
+
+extension TextField where Label == Text {
+
+  public init(
+    _ titleKey: LocalizedStringKey,
+    value: Binding<Double?>,
+    fractionLength: Int,
+    prompt: Text? = nil
+  ) {
+    self.init(
+      titleKey,
+      value: value,
+      format: .number.precision(.fractionLength(fractionLength)),
+      prompt: prompt
+    )
+  }
+
+}

Sources/Styleguide/TextLabel.swift

@@ -0,0 +1,52 @@
+import SwiftUI
+
+/// A view that can be styled view the `.textLabelStyle` modifier, generally they will be
+/// simple `Text` views, however it will accept any content view and will apply the style to.
+///
+/// Custom styles can be created by conforming to the ``TextLabelStyle`` protocol.
+///
+public struct TextLabel<Content: View>: View {
+
+  @Environment(\.textLabelStyle) private var textLabelStyle
+
+  private let content: () -> Content
+
+  public init(@ViewBuilder content: @escaping () -> Content) {
+    self.content = content
+  }
+
+  public var body: some View {
+    textLabelStyle.makeBody(
+      configuration: TextLabelConfiguration(
+        label: TextLabelConfiguration.Label(content: content())
+      )
+    )
+  }
+}
+
+extension TextLabel where Content == Text {
+  public init<S>(_ text: S) where S: StringProtocol {
+    self.init { Text(text) }
+  }
+}
+
+#Preview {
+  VStack {
+    TextLabel("Automatic")
+
+    TextLabel("Secondary-Bold")
+      .textLabelStyle(AnyTextLabelStyle.boldSecondary)
+
+    TextLabel("Secondary")
+      .textLabelStyle(.secondary)
+      .padding(.bottom)
+
+    Group {
+      TextLabel("One")
+      TextLabel("Two")
+      TextLabel("Three")
+    }
+    .font(.title)
+    .textLabelStyle(.boldSecondary)
+  }
+}