feat: Implement Inspirational Message Feature

FastPath/AppFeature.swift

@@ -7,17 +7,58 @@
 
 import SwiftUI
 import ComposableArchitecture
+import Foundation // Ensure Foundation is imported
+
+struct UserDefaultsClient {
+    var integerForKey: @Sendable (String) -> Int? // Make @Sendable for actor safety
+    var setInteger: @Sendable (Int, String) async -> Void // Make async if it could involve async operations, though UserDefaults is sync
+}
+
+extension UserDefaultsClient: DependencyKey {
+    static let liveValue = Self(
+        integerForKey: { key in
+            // UserDefaults.integer(forKey:) returns 0 if key DNE or is not an Int.
+            // To correctly return nil if the key genuinely doesn't exist,
+            // we check object(forKey:) first.
+            if UserDefaults.standard.object(forKey: key) == nil {
+                return nil
+            }
+            return UserDefaults.standard.integer(forKey: key)
+        },
+        setInteger: { value, key in
+            UserDefaults.standard.set(value, forKey: key)
+        }
+    )
+
+    // Add a testValue if you plan to write tests for this
+    static let testValue = Self(
+        integerForKey: { _ in nil }, // Default test implementation
+        setInteger: { _, _ in }
+    )
+}
+
+extension DependencyValues {
+    var userDefaultsClient: UserDefaultsClient {
+        get { self[UserDefaultsClient.self] }
+        set { self[UserDefaultsClient.self] = newValue }
+    }
+}
 
 @Reducer
 struct AppFeature {
+    @Dependency(\.userDefaultsClient) var userDefaultsClient
+
     struct State: Equatable {
         var fasting = FastingFeature.State()
         var path = StackState<Path.State>()
+        var currentInspirationalMessage: String? = nil
     }
 
     enum Action: Equatable {
         case fasting(FastingFeature.Action)
         case path(StackAction<Path.State, Path.Action>)
+        case loadInspirationalMessage
+        case inspirationalMessageResponse(String)
     }
 
     @Reducer
@@ -47,6 +88,25 @@ struct AppFeature {
             case .fasting(.showHistory):
                 state.path.append(.history(state.fasting))
                 return .none
+
+            case .loadInspirationalMessage:
+                let lastDisplayedMessageIndex = userDefaultsClient.integerForKey("lastDisplayedMessageIndex") ?? -1
+
+                guard !Quotes.allMessages.isEmpty else {
+                    return .send(.inspirationalMessageResponse("No messages available."))
+                }
+
+                let nextIndex = (lastDisplayedMessageIndex + 1) % Quotes.allMessages.count
+                let message = Quotes.allMessages[nextIndex]
+
+                return .run { send in
+                    await userDefaultsClient.setInteger(nextIndex, "lastDisplayedMessageIndex")
+                    await send(.inspirationalMessageResponse(message))
+                }
+
+            case .inspirationalMessageResponse(let message):
+                state.currentInspirationalMessage = message
+                return .none
 
             case .fasting:
                 return .none

FastPath/Models/InspirationalMessages.swift

@@ -0,0 +1,87 @@
+// InspirationalMessages.swift
+import Foundation
+
+struct Quotes {
+    static let allMessages: [String] = [
+        "Every fast is a step towards a healthier you.",
+        "Discipline today, results tomorrow.",
+        "Your body is capable of amazing things.",
+        "Stay focused on your goals.",
+        "Small changes lead to big results.",
+        "Believe in your strength to succeed.",
+        "Patience and persistence are key.",
+        "You are stronger than you think.",
+        "Embrace the journey, trust the process.",
+        "Today's effort is tomorrow's reward.",
+        "One day at a time, one fast at a time.",
+        "The best project you'll ever work on is you.",
+        "Nourish your body, cherish your progress.",
+        "Celebrate every small victory.",
+        "Consistency is what transforms average into excellence.",
+        "Focus on progress, not perfection.",
+        "You have the power to make a change.",
+        "Let your determination light your way.",
+        "Every moment is a fresh beginning.",
+        "Be proud of how far you've come.",
+        "The journey of a thousand miles begins with a single step.",
+        "Keep pushing, even when it's tough.",
+        "Your health is an investment, not an expense.",
+        "Unlock your potential, one fast at a time.",
+        "Make yourself a priority.",
+        "The only bad fast is the one not started.",
+        "Success is the sum of small efforts, repeated.",
+        "Challenge yourself, you might surprise yourself.",
+        "Listen to your body, it knows what it needs.",
+        "Transform your mind, transform your body.",
+        "It's not about being perfect, it's about effort.",
+        "Find strength in your discipline.",
+        "Every completed fast builds momentum.",
+        "Fuel your body, respect your temple.",
+        "Small steps every day add up to big changes.",
+        "The power of choice is your greatest tool.",
+        "Stay committed to your decisions.",
+        "Progress is progress, no matter how small.",
+        "You are creating a healthier future.",
+        "Believe in the process, trust your journey.",
+        "Let go of what was, embrace what will be.",
+        "Your dedication is inspiring.",
+        "Keep your eyes on the prize.",
+        "The discipline of today shapes the success of tomorrow.",
+        "You are resilient and capable.",
+        "Embrace the challenge, enjoy the results.",
+        "Every fast is a testament to your willpower.",
+        "Stay positive, stay strong.",
+        "Your journey is unique and valid.",
+        "Invest in yourself, you're worth it.",
+        "The path to health is paved with consistency.",
+        "Find joy in the process of becoming stronger.",
+        "Your commitment is your greatest asset.",
+        "Keep going, your future self will thank you.",
+        "Master your habits, master your life.",
+        "Each fast is a new opportunity for growth.",
+        "Strength doesn't come from what you can do, it comes from overcoming things you once thought you couldn't.",
+        "Be patient with yourself, great things take time.",
+        "The best view comes after the hardest climb.",
+        "Focus on your 'why' to stay motivated.",
+        "Turn 'I can't' into 'I can'.",
+        "Your body achieves what the mind believes.",
+        "Don't wait for opportunity, create it.",
+        "Every choice you make is a step towards your goal.",
+        "Be stronger than your excuses.",
+        "The discipline you build now will serve you for life.",
+        "You are in control of your choices.",
+        "Let your progress be your motivation.",
+        "Small, consistent efforts yield powerful results.",
+        "Trust in your ability to persevere.",
+        "Every sunrise brings a new chance to shine.",
+        "Dedication sees you through the tough times.",
+        "You are building a better version of yourself.",
+        "Celebrate your efforts, not just the outcomes.",
+        "The reward of discipline is a healthier, happier you.",
+        "Keep your spirit strong and your goals in sight.",
+        "Embrace the power of now.",
+        "Your journey, your rules, your success.",
+        "Stay true to your path and purpose.",
+        "You've got this!"
+    ]
+}

FastPath/Views/AppView.swift

@@ -12,23 +12,40 @@ struct AppView: View {
     let store: StoreOf<AppFeature>
 
     var body: some View {
-        NavigationStackStore(
-            store.scope(state: \.path, action: { .path($0) })
-        ) {
-            FastingView(
-                store: store.scope(
-                    state: \.fasting,
-                    action: { .fasting($0) }
-                )
-            )
-        } destination: { state in
-            switch state {
-            case .history:
-                CaseLet(
-                    /AppFeature.Path.State.history,
-                    action: AppFeature.Path.Action.history,
-                    then: HistoryView.init(store:)
-                )
+        WithViewStore(self.store, observe: { $0 }) { viewStore in // Observe the whole state or specific parts
+            VStack { // Wrap existing content in a VStack
+                // Display the inspirational message
+                if let message = viewStore.currentInspirationalMessage, !message.isEmpty {
+                    Text(message)
+                        .padding() // Add some padding for better appearance
+                        .font(.caption) // Style as per TR-IM-004 (e.g., smaller font)
+                        .foregroundColor(.gray) // Subtle color
+                        .multilineTextAlignment(.center) // Center if it's long
+                }
+
+                // Existing NavigationStackStore
+                NavigationStackStore(
+                    self.store.scope(state: \.path, action: { .path($0) })
+                ) {
+                    FastingView(
+                        store: self.store.scope(
+                            state: \.fasting,
+                            action: { .fasting($0) }
+                        )
+                    )
+                } destination: { state in
+                    switch state {
+                    case .history:
+                        CaseLet(
+                            /AppFeature.Path.State.history,
+                            action: AppFeature.Path.Action.history,
+                            then: HistoryView.init(store:)
+                        )
+                    }
+                }
+            }
+            .onAppear {
+                viewStore.send(.loadInspirationalMessage)
             }
         }
     }