wip

Workouts/ContentView.swift

@@ -13,52 +13,33 @@ import SwiftData
 
 struct ContentView: View {
     @Environment(\.modelContext) private var modelContext
-    @Query private var items: [Item]
 
     var body: some View {
-        NavigationSplitView {
-            List {
-                ForEach(items) { item in
-                    NavigationLink {
-                        Text("Item at \(item.timestamp, format: Date.FormatStyle(date: .numeric, time: .standard))")
-                    } label: {
-                        Text(item.timestamp, format: Date.FormatStyle(date: .numeric, time: .standard))
-                    }
+        TabView {
+            Text("Placeholder")
+                .tabItem {
+                    Label("Workout", systemImage: "figure.strengthtraining.traditional")
                 }
-                .onDelete(perform: deleteItems)
-            }
-            .toolbar {
-                ToolbarItem(placement: .navigationBarTrailing) {
-                    EditButton()
-                }
-                ToolbarItem {
-                    Button(action: addItem) {
-                        Label("Add Item", systemImage: "plus")
-                    }
-                }
-            }
-        } detail: {
-            Text("Select an item")
-        }
-    }
 
-    private func addItem() {
-        withAnimation {
-            let newItem = Item(timestamp: Date())
-            modelContext.insert(newItem)
-        }
-    }
-
-    private func deleteItems(offsets: IndexSet) {
-        withAnimation {
-            for index in offsets {
-                modelContext.delete(items[index])
+            
+            // Reports Tab
+            NavigationStack {
+                Text("Reports Placeholder")
+                    .navigationTitle("Reports")
             }
+            .tabItem {
+                Label("Reports", systemImage: "chart.bar")
+            }
+            
+            SettingsView()
+                .tabItem {
+                    Label("Settings", systemImage: "gear")
+                }
         }
+
     }
 }
 
 #Preview {
     ContentView()
-        .modelContainer(for: Item.self, inMemory: true)
 }

Workouts/Item.swift

@@ -1,21 +0,0 @@
-//
-// Item.swift
-// Workouts
-//
-// Created by rzen on 7/11/25 at 5:04 PM.
-//
-// Copyright 2025 Rouslan Zenetl. All Rights Reserved.
-//
-
-
-import Foundation
-import SwiftData
-
-@Model
-final class Item {
-    var timestamp: Date
-    
-    init(timestamp: Date) {
-        self.timestamp = timestamp
-    }
-}

Workouts/Models/Exercise.swift

@@ -0,0 +1,33 @@
+import Foundation
+import SwiftData
+
+@Model
+final class Exercise: ListableItem {
+    @Attribute(.unique) var name: String = ""
+    var setup: String = ""
+    var descr: String = ""
+    var sets: Int = 0
+    var reps: Int = 0
+    var weight: Int = 0
+    
+    @Relationship(deleteRule: .nullify, inverse: \ExerciseType.exercises)
+    var type: ExerciseType?
+    
+    @Relationship(deleteRule: .nullify, inverse: \Muscle.exercises)
+    var muscles: [Muscle]? = []
+    
+    @Relationship(deleteRule: .nullify, inverse: \SplitExerciseAssignment.exercise)
+    var splits: [SplitExerciseAssignment]? = []
+    
+    @Relationship(deleteRule: .nullify, inverse: \WorkoutLog.exercise)
+    var logs: [WorkoutLog]? = []
+    
+    init(name: String, setup: String, descr: String, sets: Int, reps: Int, weight: Int) {
+        self.name = name
+        self.setup = setup
+        self.descr = descr
+        self.sets = sets
+        self.reps = reps
+        self.weight = weight
+    }
+}

Workouts/Models/ExerciseType.swift

@@ -0,0 +1,16 @@
+import Foundation
+import SwiftData
+
+@Model
+final class ExerciseType: ListableItem {
+    @Attribute(.unique) var name: String = ""
+    var descr: String = ""
+    
+    @Relationship(deleteRule: .nullify)
+    var exercises: [Exercise]? = []
+    
+    init(name: String, descr: String) {
+        self.name = name
+        self.descr = descr
+    }
+}

Workouts/Models/Muscle.swift

@@ -0,0 +1,21 @@
+import Foundation
+import SwiftData
+
+@Model
+final class Muscle: ListableItem {
+    @Attribute(.unique) var name: String = ""
+    
+    var descr: String = ""
+    
+    @Relationship(deleteRule: .nullify, inverse: \MuscleGroup.muscles)
+    var muscleGroup: MuscleGroup?
+    
+    @Relationship(deleteRule: .nullify)
+    var exercises: [Exercise]? = []
+    
+    init(name: String, descr: String, muscleGroup: MuscleGroup) {
+        self.name = name
+        self.descr = descr
+        self.muscleGroup = muscleGroup
+    }
+}

Workouts/Models/MuscleGroup.swift

@@ -0,0 +1,16 @@
+import Foundation
+import SwiftData
+
+@Model
+final class MuscleGroup: ListableItem {
+    @Attribute(.unique) var name: String = ""
+    var descr: String = ""
+    
+    @Relationship(deleteRule: .nullify)
+    var muscles: [Muscle]? = []
+    
+    init(name: String, descr: String) {
+        self.name = name
+        self.descr = descr
+    }
+}

Workouts/Models/Split.swift

@@ -0,0 +1,19 @@
+import Foundation
+import SwiftData
+
+@Model
+final class Split: ListableItem {
+    @Attribute(.unique) var name: String = ""
+    var intro: String = ""
+    
+    @Relationship(deleteRule: .cascade, inverse: \SplitExerciseAssignment.split)
+    var exercises: [SplitExerciseAssignment]? = []
+    
+    @Relationship(deleteRule: .nullify, inverse: \Workout.split)
+    var workouts: [Workout]? = []
+    
+    init(name: String, intro: String) {
+        self.name = name
+        self.intro = intro
+    }
+}

Workouts/Models/SplitExerciseAssignment.swift

@@ -0,0 +1,25 @@
+import Foundation
+import SwiftData
+
+@Model
+final class SplitExerciseAssignment {
+    var order: Int = 0
+    var sets: Int = 0
+    var reps: Int = 0
+    var weight: Int = 0
+    
+    @Relationship(deleteRule: .nullify)
+    var split: Split?
+    
+    @Relationship(deleteRule: .nullify)
+    var exercise: Exercise?
+    
+    init(order: Int, sets: Int, reps: Int, weight: Int, split: Split, exercise: Exercise) {
+        self.order = order
+        self.sets = sets
+        self.reps = reps
+        self.weight = weight
+        self.split = split
+        self.exercise = exercise
+    }
+}

Workouts/Models/Workout.swift

@@ -0,0 +1,20 @@
+import Foundation
+import SwiftData
+
+@Model
+final class Workout {
+    var start: Date = Date()
+    var end: Date?
+    
+    @Relationship(deleteRule: .nullify)
+    var split: Split?
+    
+    @Relationship(deleteRule: .cascade, inverse: \WorkoutLog.workout)
+    var logs: [WorkoutLog]? = []
+    
+    init(start: Date, end: Date? = nil, split: Split?) {
+        self.start = start
+        self.end = end
+        self.split = split
+    }
+}

Workouts/Models/WorkoutLog.swift

@@ -0,0 +1,27 @@
+import Foundation
+import SwiftData
+
+@Model
+final class WorkoutLog {
+    var date: Date = Date()
+    var sets: Int = 0
+    var reps: Int = 0
+    var weight: Int = 0
+    var completed: Bool = false
+    
+    @Relationship(deleteRule: .nullify)
+    var workout: Workout?
+    
+    @Relationship(deleteRule: .nullify)
+    var exercise: Exercise?
+    
+    init(date: Date, sets: Int, reps: Int, weight: Int, completed: Bool, workout: Workout, exercise: Exercise) {
+        self.date = date
+        self.sets = sets
+        self.reps = reps
+        self.weight = weight
+        self.completed = completed
+        self.workout = workout
+        self.exercise = exercise
+    }
+}

Workouts/Protocols/ListableItem.swift

@@ -0,0 +1,12 @@
+//
+// ListableItem.swift
+// Workouts
+//
+// Created by rzen on 7/13/25 at 10:40 AM.
+//
+// Copyright 2025 Rouslan Zenetl. All Rights Reserved.
+//
+
+protocol ListableItem {
+    var name: String { get set }
+}

Workouts/Schema/InitialData.swift

@@ -0,0 +1,165 @@
+import Foundation
+import SwiftData
+
+struct InitialData {
+    static let logger = AppLogger(subsystem: "Workouts", category: "InitialData")
+    
+    // Data structures for JSON decoding
+    private struct ExerciseTypeData: Codable {
+        let name: String
+        let descr: String
+    }
+    
+    private struct MuscleGroupData: Codable {
+        let name: String
+        let descr: String
+    }
+    
+    private struct MuscleData: Codable {
+        let name: String
+        let descr: String
+        let muscleGroup: String
+    }
+    
+    private struct ExerciseData: Codable {
+        let name: String
+        let setup: String
+        let descr: String
+        let sets: Int
+        let reps: Int
+        let weight: Int
+        let type: String
+        let muscles: [String]
+    }
+    
+    private struct SplitExerciseAssignmentData: Codable {
+        let exercise: String
+        let weight: Int
+        let sets: Int
+        let reps: Int
+    }
+    
+    private struct SplitData: Codable {
+        let name: String
+        let intro: String
+        let splitExerciseAssignments: [SplitExerciseAssignmentData]
+    }
+    
+    @MainActor
+    static func create(modelContext: ModelContext) {
+        logger.info("Creating initial data from JSON files")
+        
+        // Load and insert data
+        do {
+            // Dictionaries to store references
+            var exerciseTypes: [String: ExerciseType] = [:]
+            var muscleGroups: [String: MuscleGroup] = [:]
+            var muscles: [String: Muscle] = [:]
+            var exercises: [String: Exercise] = [:]
+            
+            // 1. Load Exercise Types
+            let exerciseTypeData = try loadJSON(forResource: "exercise-types", type: [ExerciseTypeData].self)
+            for typeData in exerciseTypeData {
+                let exerciseType = ExerciseType(name: typeData.name, descr: typeData.descr)
+                exerciseTypes[typeData.name] = exerciseType
+                modelContext.insert(exerciseType)
+            }
+            
+            // 2. Load Muscle Groups
+            let muscleGroupData = try loadJSON(forResource: "muscle-groups", type: [MuscleGroupData].self)
+            for groupData in muscleGroupData {
+                let muscleGroup = MuscleGroup(name: groupData.name, descr: groupData.descr)
+                muscleGroups[groupData.name] = muscleGroup
+                modelContext.insert(muscleGroup)
+            }
+            
+            // 3. Load Muscles
+            let muscleData = try loadJSON(forResource: "muscles", type: [MuscleData].self)
+            for data in muscleData {
+                // Find the muscle group for this muscle
+                if let muscleGroup = muscleGroups[data.muscleGroup] {
+                    let muscle = Muscle(name: data.name, descr: data.descr, muscleGroup: muscleGroup)
+                    muscles[data.name] = muscle
+                    modelContext.insert(muscle)
+                } else {
+                    logger.warning("Muscle group not found for muscle: \(data.name)")
+                }
+            }
+            
+            // 4. Load Exercises
+            let exerciseData = try loadJSON(forResource: "exercises", type: [ExerciseData].self)
+            for data in exerciseData {
+                let exercise = Exercise(name: data.name, setup: data.setup, descr: data.descr, 
+                                       sets: data.sets, reps: data.reps, weight: data.weight)
+                
+                // Set exercise type
+                if let type = exerciseTypes[data.type] {
+                    exercise.type = type
+                } else {
+                    logger.warning("Exercise type not found: \(data.type) for exercise: \(data.name)")
+                }
+                
+                // Set muscles
+                var exerciseMuscles: [Muscle] = []
+                for muscleName in data.muscles {
+                    if let muscle = muscles[muscleName] {
+                        exerciseMuscles.append(muscle)
+                    } else {
+                        logger.warning("Muscle not found: \(muscleName) for exercise: \(data.name)")
+                    }
+                }
+                exercise.muscles = exerciseMuscles
+                
+                exercises[data.name] = exercise
+                modelContext.insert(exercise)
+            }
+            
+            // 5. Load Splits and Exercise Assignments
+            let splitData = try loadJSON(forResource: "splits", type: [SplitData].self)
+            for data in splitData {
+                let split = Split(name: data.name, intro: data.intro)
+                modelContext.insert(split)
+                
+                // Create exercise assignments for this split
+                for (index, assignment) in data.splitExerciseAssignments.enumerated() {
+                    if let exercise = exercises[assignment.exercise] {
+                        let splitAssignment = SplitExerciseAssignment(
+                            order: index + 1,  // 1-based ordering
+                            sets: assignment.sets,
+                            reps: assignment.reps,
+                            weight: assignment.weight,
+                            split: split,
+                            exercise: exercise
+                        )
+                        modelContext.insert(splitAssignment)
+                    } else {
+                        logger.warning("Exercise not found: \(assignment.exercise) for split: \(data.name)")
+                    }
+                }
+            }
+            
+            // Save all the inserted data
+            try modelContext.save()
+            logger.info("Initial data loaded successfully from JSON files")
+        } catch {
+            logger.error("Failed to load initial data from JSON files: \(error.localizedDescription)")
+        }
+    }
+    
+    // Helper method to load and decode JSON from a file
+    private static func loadJSON<T: Decodable>(forResource name: String, type: T.Type) throws -> T {
+        guard let url = Bundle.main.url(forResource: name, withExtension: "json") else {
+            logger.error("Could not find JSON file: \(name).json")
+            throw NSError(domain: "InitialData", code: 1, userInfo: [NSLocalizedDescriptionKey: "Could not find JSON file: \(name).json"])
+        }
+        
+        do {
+            let data = try Data(contentsOf: url)
+            let decoder = JSONDecoder()
+            return try decoder.decode(T.self, from: data)
+        } catch {
+            logger.error("Failed to decode JSON file \(name).json: \(error.localizedDescription)")
+            throw error
+        }
+    }
+}

Workouts/Schema/SchemaV1.swift

@@ -0,0 +1,16 @@
+import SwiftData
+
+enum SchemaV1: VersionedSchema {
+    static var versionIdentifier: Schema.Version = .init(1, 0, 0)
+    
+    static var models: [any PersistentModel.Type] = [
+        Exercise.self,
+        ExerciseType.self,
+        Muscle.self,
+        MuscleGroup.self,
+        Split.self,
+        SplitExerciseAssignment.self,
+        Workout.self,
+        WorkoutLog.self
+    ]
+}

Workouts/Schema/SchemaVersion.swift

@@ -0,0 +1,13 @@
+import SwiftData
+
+enum SchemaVersion: Int, CaseIterable {
+    static var allCases: [SchemaVersion] = [
+        .v1
+    ]
+    
+    case v1
+    
+    static var current: SchemaVersion {
+        .v1
+    }
+}

Workouts/Schema/WorkoutsContainer.swift

@@ -0,0 +1,40 @@
+import Foundation
+import SwiftData
+
+final class WorkoutsContainer {
+    static let logger = AppLogger(subsystem: "Workouts", category: "WorkoutsContainer")
+    
+    static func create(shouldCreateDefaults: inout Bool) -> ModelContainer {
+        let schema = Schema(versionedSchema: SchemaV1.self)
+        let container = try! ModelContainer(for: schema, migrationPlan: WorkoutsMigrationPlan.self)
+        
+        let context = ModelContext(container)
+        let descriptor = FetchDescriptor<Workout>()
+        let results = try! context.fetch(descriptor)
+        
+        if results.isEmpty {
+            shouldCreateDefaults = true
+        }
+        
+        return container
+    }
+    
+    @MainActor
+    static var preview: ModelContainer {
+        let schema = Schema(versionedSchema: SchemaV1.self)
+
+        let configuration = ModelConfiguration(schema: schema, isStoredInMemoryOnly: true)
+        
+        do {
+            let container = try ModelContainer(for: schema, configurations: [configuration])
+            let context = ModelContext(container)
+            
+            // Create default data for previews
+            InitialData.create(modelContext: context)
+            
+            return container
+        } catch {
+            fatalError("Failed to create preview ModelContainer: \(error.localizedDescription)")
+        }
+    }
+}

Workouts/Schema/WorkoutsMigrationPlan.swift

@@ -0,0 +1,11 @@
+import SwiftData
+
+struct WorkoutsMigrationPlan: SchemaMigrationPlan {
+    static var schemas: [VersionedSchema.Type] = [
+        SchemaV1.self
+    ]
+    
+    static var stages: [MigrationStage] = [
+        // Add migration stages here in the future
+    ]
+}

Workouts/Utils/AppLogger.swift

@@ -0,0 +1,37 @@
+import OSLog
+
+struct AppLogger {
+    private let logger: Logger
+    private let subsystem: String
+    private let category: String
+    
+    init(subsystem: String, category: String) {
+        self.subsystem = subsystem
+        self.category = category
+        self.logger = Logger(subsystem: subsystem, category: category)
+    }
+    
+    func timestamp () -> String {
+        Date.now.formatDateET(format: "yyyy-MM-dd HH:mm:ss")
+    }
+    
+    func formattedMessage (_ message: String) -> String {
+        "\(timestamp()) [\(subsystem):\(category)] \(message)"
+    }
+    
+    func debug(_ message: String) {
+        logger.debug("\(formattedMessage(message))")
+    }
+    
+    func info(_ message: String) {
+        logger.info("\(formattedMessage(message))")
+    }
+    
+    func warning(_ message: String) {
+        logger.warning("\(formattedMessage(message))")
+    }
+    
+    func error(_ message: String) {
+        logger.error("\(formattedMessage(message))")
+    }
+}

Workouts/Utils/Badge.swift

@@ -0,0 +1,15 @@
+//
+// Badge.swift
+// Workouts
+//
+// Created by rzen on 7/13/25 at 5:42 PM.
+//
+// Copyright 2025 Rouslan Zenetl. All Rights Reserved.
+//
+
+import SwiftUICore
+
+struct Badge: Hashable {
+    var text: String
+    var color: Color
+}

Workouts/Utils/Date+Extensions.swift

@@ -0,0 +1,14 @@
+import Foundation
+
+extension Date {
+    func formatDateET(format: String = "MMMM, d yyyy @ h:mm a z") -> String {
+        let formatter = DateFormatter()
+        formatter.timeZone = TimeZone(identifier: "America/New_York")
+        formatter.dateFormat = format
+        return formatter.string(from: self)
+    }
+    
+    static var ISO8601: String {
+        "yyyy-MM-dd'T'HH:mm:ssZ"
+    }
+}

Workouts/Utils/ListItem.swift

@@ -0,0 +1,50 @@
+//
+// ListItem.swift
+// Workouts
+//
+// Created by rzen on 7/13/25 at 10:42 AM.
+//
+// Copyright 2025 Rouslan Zenetl. All Rights Reserved.
+//
+
+import SwiftUI
+
+struct ListItem: View {
+    var title: String
+    var subtitle: String?
+    var count: Int?
+    var badges: [Badge]? = []
+    
+    var body: some View {
+        HStack {
+            VStack (alignment: .leading) {
+                Text("\(title)")
+                HStack {
+                    if let subtitle = subtitle {
+                        Text("\(subtitle)")
+                            .font(.footnote)
+                    }
+                    if let badges = badges {
+                        ForEach (badges, id: \.self) { badge in
+                            Text("\(badge.text)")
+                                .bold()
+                                .padding([.leading,.trailing], 5)
+                                .cornerRadius(4)
+                                .background(badge.color)
+                                .foregroundColor(.white)
+                        }
+                    }
+                }
+            }
+            if let count = count {
+                Spacer()
+                Text("\(count)")
+                    .font(.caption)
+                    .foregroundColor(.gray)
+            }
+        }
+        .frame(maxWidth: .infinity, alignment: .leading)
+        .contentShape(Rectangle())
+    }
+}
+

Workouts/Views/Settings/ExerciseTypes/ExerciseTypeAddEditView.swift

@@ -0,0 +1,48 @@
+//
+// ExerciseTypeAddEditView.swift
+// Workouts
+//
+// Created by rzen on 7/13/25 at 11:33 AM.
+//
+// Copyright 2025 Rouslan Zenetl. All Rights Reserved.
+//
+
+import SwiftUI
+
+struct ExerciseTypeAddEditView: View {
+    @Environment(\.dismiss) private var dismiss
+    @Environment(\.modelContext) private var modelContext
+
+    @Bindable var model: ExerciseType
+    
+    var body: some View {
+        NavigationStack {
+            Form {
+                Section (header: Text("Nname")) {
+                    TextField("Name", text: $model.name)
+                        .bold()
+                }
+                
+                Section(header: Text("Description")) {
+                    TextEditor(text: $model.descr)
+                        .frame(minHeight: 100)
+                        .padding(.vertical, 4)
+                }
+            }
+            .toolbar {
+                ToolbarItem(placement: .navigationBarLeading) {
+                    Button("Cancel") {
+                        dismiss()
+                    }
+                }
+                
+                ToolbarItem(placement: .navigationBarTrailing) {
+                    Button("Save") {
+                        try? modelContext.save()
+                        dismiss()
+                    }
+                }
+            }
+        }
+    }
+}

Workouts/Views/Settings/ExerciseTypes/ExerciseTypeListView.swift

@@ -0,0 +1,75 @@
+//
+// ExerciseTypeListView.swift
+// Workouts
+//
+// Created by rzen on 7/13/25 at 11:27 AM.
+//
+// Copyright 2025 Rouslan Zenetl. All Rights Reserved.
+//
+
+import SwiftUI
+import SwiftData
+
+struct ExerciseTypeListView: View {
+    @Environment(\.dismiss) private var dismiss
+    @Environment(\.modelContext) private var modelContext
+
+    @Query(sort: [SortDescriptor(\ExerciseType.name)]) var items: [ExerciseType]
+    
+    @State var itemToEdit: ExerciseType? = nil
+    @State var itemToDelete: ExerciseType? = nil
+    
+    private func save () {
+        try? modelContext.save()
+    }
+    
+    var body: some View {
+        NavigationStack {
+            Form {
+                List {
+                    ForEach (items) { item in
+                        ListItem(title: item.name)
+                            .swipeActions(edge: .trailing, allowsFullSwipe: false) {
+                                Button (role: .destructive) {
+                                    itemToDelete = item
+                                } label: {
+                                    Label("Delete", systemImage: "trash")
+                                }
+                                Button {
+                                    itemToEdit = item
+                                } label: {
+                                    Label("Edit", systemImage: "pencil")
+                                }
+                                .tint(.indigo)
+                            }
+                    }
+                }
+            }
+            .navigationTitle("Exercise Types")
+            .sheet(item: $itemToEdit) {item in
+                ExerciseTypeAddEditView(model: item)
+            }
+            .confirmationDialog(
+                "Delete?",
+                isPresented: Binding<Bool>(
+                    get: { itemToDelete != nil },
+                    set: { if !$0 { itemToDelete = nil } }
+                ),
+                titleVisibility: .visible
+            ) {
+                Button("Delete", role: .destructive) {
+                    if let itemToDelete = itemToDelete {
+                        modelContext.delete(itemToDelete)
+                        try? modelContext.save()
+                        self.itemToDelete = nil
+                    }
+                }
+                Button("Cancel", role: .cancel) {
+                    itemToDelete = nil
+                }
+            } message: {
+                Text("Are you sure you want to delete \(itemToDelete?.name ?? "this item")?")
+            }
+        }
+    }
+}

Workouts/Views/Settings/Exercises/ExerciseAddEditView.swift

@@ -0,0 +1,13 @@
+import SwiftUI
+
+struct ExerciseAddEditView: View {
+    @Environment(\.dismiss) private var dismiss
+    @Environment(\.modelContext) private var modelContext
+
+    @Bindable var model: Exercise
+
+    var body: some View {
+        Text("Add/Edit Exercise")
+            .navigationTitle("Exercise")
+    }
+}

Workouts/Views/Settings/Exercises/ExercisesListView.swift

@@ -0,0 +1,82 @@
+//
+// ExercisesListView.swift
+// Workouts
+//
+// Created by rzen on 7/13/25 at 4:30 PM.
+//
+// Copyright 2025 Rouslan Zenetl. All Rights Reserved.
+//
+
+import SwiftUI
+import SwiftData
+
+struct ExercisesListView: View {
+    @Environment(\.dismiss) private var dismiss
+    @Environment(\.modelContext) private var modelContext
+
+    @Query(sort: [SortDescriptor(\ExerciseType.name)]) var groups: [ExerciseType]
+    
+    @State var itemToEdit: Exercise? = nil
+    @State var itemToDelete: Exercise? = nil
+    
+    private func save () {
+        try? modelContext.save()
+    }
+    
+    var body: some View {
+        NavigationStack {
+            Form {
+                ForEach (groups) { group in
+                    let items = group.exercises ?? []
+                    let itemCount = items.count
+                    if itemCount > 0 {
+                        Section (header: Text("\(group.name) (\(itemCount))")) {
+                            ForEach (items) { item in
+                                ListItem(title: item.name)
+                                    .swipeActions(edge: .trailing, allowsFullSwipe: false) {
+                                        Button (role: .destructive) {
+                                            itemToDelete = item
+                                        } label: {
+                                            
+                                            Label("Delete", systemImage: "trash")
+                                        }
+                                        Button {
+                                            itemToEdit = item
+                                        } label: {
+                                            Label("Edit", systemImage: "pencil")
+                                        }
+                                        .tint(.indigo)
+                                    }
+                            }
+                        }
+                    }
+                }
+            }
+            .navigationTitle("Exercises")
+            .sheet(item: $itemToEdit) { item in
+                ExerciseAddEditView(model: item)
+            }
+            .confirmationDialog(
+                "Delete?",
+                isPresented: Binding<Bool>(
+                    get: { itemToDelete != nil },
+                    set: { if !$0 { itemToDelete = nil } }
+                ),
+                titleVisibility: .visible
+            ) {
+                Button("Delete", role: .destructive) {
+                    if let itemToDelete = itemToDelete {
+                        modelContext.delete(itemToDelete)
+                        try? modelContext.save()
+                        self.itemToDelete = nil
+                    }
+                }
+                Button("Cancel", role: .cancel) {
+                    itemToDelete = nil
+                }
+            } message: {
+                Text("Are you sure you want to delete \(itemToDelete?.name ?? "this item")?")
+            }
+        }
+    }
+}

Workouts/Views/Settings/MuscleGroups/MuscleGroupAddEditView.swift

@@ -0,0 +1,48 @@
+import SwiftUI
+
+//
+// MuscleGroupAddEditView.swift
+// Workouts
+//
+// Created by rzen on 7/13/25 at 12:14 PM.
+//
+// Copyright 2025 Rouslan Zenetl. All Rights Reserved.
+//
+
+struct MuscleGroupAddEditView: View {
+    @Environment(\.dismiss) private var dismiss
+    @Environment(\.modelContext) private var modelContext
+
+    @Bindable var model: MuscleGroup
+    
+    var body: some View {
+        NavigationStack {
+            Form {
+                Section (header: Text("Name")) {
+                    TextField("Name", text: $model.name)
+                        .bold()
+                }
+                
+                Section(header: Text("Description")) {
+                    TextEditor(text: $model.descr)
+                        .frame(minHeight: 100)
+                        .padding(.vertical, 4)
+                }
+            }
+            .toolbar {
+                ToolbarItem(placement: .navigationBarLeading) {
+                    Button("Cancel") {
+                        dismiss()
+                    }
+                }
+                
+                ToolbarItem(placement: .navigationBarTrailing) {
+                    Button("Save") {
+                        try? modelContext.save()
+                        dismiss()
+                    }
+                }
+            }
+        }
+    }
+}

Workouts/Views/Settings/MuscleGroups/MuscleGroupsListView.swift

@@ -0,0 +1,70 @@
+//
+// MuscleGroupsListView.swift
+// Workouts
+//
+// Created by rzen on 7/13/25 at 12:14 PM.
+//
+// Copyright 2025 Rouslan Zenetl. All Rights Reserved.
+//
+
+import SwiftUI
+import SwiftData
+
+struct MuscleGroupsListView: View {
+    @Environment(\.modelContext) private var modelContext
+
+    @Query(sort: [SortDescriptor(\MuscleGroup.name)]) var items: [MuscleGroup]
+    
+    @State var itemToEdit: MuscleGroup? = nil
+    @State var itemToDelete: MuscleGroup? = nil
+    
+    var body: some View {
+        NavigationStack {
+            Form {
+                List {
+                    ForEach (items) { item in
+                        ListItem(title: item.name, count: item.muscles?.count)
+                            .swipeActions(edge: .trailing, allowsFullSwipe: false) {
+                                Button (role: .destructive) {
+                                    itemToDelete = item
+                                } label: {
+                                    Label("Delete", systemImage: "trash")
+                                }
+                                Button {
+                                    itemToEdit = item
+                                } label: {
+                                    Label("Edit", systemImage: "pencil")
+                                }
+                                .tint(.indigo)
+                            }
+                    }
+                }
+                .navigationTitle("Muscle Groups")
+            }
+            .sheet(item: $itemToEdit) {item in
+                MuscleGroupAddEditView(model: item)
+            }
+            .confirmationDialog(
+                "Delete?",
+                isPresented: Binding<Bool>(
+                    get: { itemToDelete != nil },
+                    set: { if !$0 { itemToDelete = nil } }
+                ),
+                titleVisibility: .visible
+            ) {
+                Button("Delete", role: .destructive) {
+                    if let itemToDelete = itemToDelete {
+                        modelContext.delete(itemToDelete)
+                        try? modelContext.save()
+                        self.itemToDelete = nil
+                    }
+                }
+                Button("Cancel", role: .cancel) {
+                    itemToDelete = nil
+                }
+            } message: {
+                Text("Are you sure you want to delete \(itemToDelete?.name ?? "this item")?")
+            }
+        }
+    }
+}

Workouts/Views/Settings/Muscles/MuscleAddEditView.swift

@@ -0,0 +1,59 @@
+//
+// MuscleAddEditView.swift
+// Workouts
+//
+// Created by rzen on 7/13/25 at 11:55 AM.
+//
+// Copyright 2025 Rouslan Zenetl. All Rights Reserved.
+//
+
+import SwiftUI
+import SwiftData
+
+struct MuscleAddEditView: View {
+    @Environment(\.dismiss) private var dismiss
+    @Environment(\.modelContext) private var modelContext
+
+    @Query(sort: [SortDescriptor(\MuscleGroup.name)]) var muscleGroups: [MuscleGroup]
+    @Bindable var model: Muscle
+
+    var body: some View {
+        NavigationStack {
+            Form {
+                Section (header: Text("Name")) {
+                    TextField("Name", text: $model.name)
+                        .bold()
+                }
+                
+                Section(header: Text("Muscle Group")) {
+                    Picker("Muscle Group", selection: $model.muscleGroup) {
+                        Text("Select a muscle group").tag(nil as MuscleGroup?)
+                        ForEach(muscleGroups) { group in
+                            Text(group.name).tag(group as MuscleGroup?)
+                        }
+                    }
+                }
+                
+                Section(header: Text("Description")) {
+                    TextEditor(text: $model.descr)
+                        .frame(minHeight: 100)
+                        .padding(.vertical, 4)
+                }
+            }
+            .toolbar {
+                ToolbarItem(placement: .navigationBarLeading) {
+                    Button("Cancel") {
+                        dismiss()
+                    }
+                }
+                
+                ToolbarItem(placement: .navigationBarTrailing) {
+                    Button("Save") {
+                        try? modelContext.save()
+                        dismiss()
+                    }
+                }
+            }
+        }
+    }
+}

Workouts/Views/Settings/Muscles/MusclesListView.swift

@@ -0,0 +1,79 @@
+//
+// MuscleGroupsListView.swift
+// Workouts
+//
+// Created by rzen on 7/13/25 at 12:14 PM.
+//
+// Copyright 2025 Rouslan Zenetl. All Rights Reserved.
+//
+
+import SwiftUI
+import SwiftData
+
+struct MusclesListView: View {
+    @Environment(\.dismiss) private var dismiss
+    @Environment(\.modelContext) private var modelContext
+
+    @Query(sort: [SortDescriptor(\MuscleGroup.name)]) var groups: [MuscleGroup]
+    
+    @State var itemToEdit: Muscle? = nil
+    @State var itemToDelete: Muscle? = nil
+    
+    private func save () {
+        try? modelContext.save()
+    }
+    
+    var body: some View {
+        NavigationStack {
+            Form {
+                ForEach (groups) { group in
+                    Section (header: Text("\(group.name) (\(group.muscles?.count ?? 0))")) {
+                        let items = group.muscles ?? []
+                        ForEach (items) { item in
+                            ListItem(title: item.name)
+                                .swipeActions(edge: .trailing, allowsFullSwipe: false) {
+                                    Button (role: .destructive) {
+                                        itemToDelete = item
+                                    } label: {
+                                        
+                                        Label("Delete", systemImage: "trash")
+                                    }
+                                    Button {
+                                        itemToEdit = item
+                                    } label: {
+                                        Label("Edit", systemImage: "pencil")
+                                    }
+                                    .tint(.indigo)
+                                }
+                        }
+                    }
+                }
+            }
+            .navigationTitle("Muscles")
+            .sheet(item: $itemToEdit) { item in
+                MuscleAddEditView(model: item)
+            }
+            .confirmationDialog(
+                "Delete?",
+                isPresented: Binding<Bool>(
+                    get: { itemToDelete != nil },
+                    set: { if !$0 { itemToDelete = nil } }
+                ),
+                titleVisibility: .visible
+            ) {
+                Button("Delete", role: .destructive) {
+                    if let itemToDelete = itemToDelete {
+                        modelContext.delete(itemToDelete)
+                        try? modelContext.save()
+                        self.itemToDelete = nil
+                    }
+                }
+                Button("Cancel", role: .cancel) {
+                    itemToDelete = nil
+                }
+            } message: {
+                Text("Are you sure you want to delete \(itemToDelete?.name ?? "this item")?")
+            }
+        }
+    }
+}

Workouts/Views/Settings/SettingsView.swift

@@ -0,0 +1,77 @@
+//
+// SettingsView.swift
+// Workouts
+//
+// Created by rzen on 7/13/25 at 10:24 AM.
+//
+// Copyright 2025 Rouslan Zenetl. All Rights Reserved.
+//
+
+import SwiftUI
+import SwiftData
+
+struct SettingsView: View {
+    @Environment(\.modelContext) private var modelContext
+
+    
+    var splitsCount: Int? { try? modelContext.fetchCount(FetchDescriptor<Split>()) }
+    var musclesCount: Int? { try? modelContext.fetchCount(FetchDescriptor<Muscle>()) }
+    var muscleGroupsCount: Int? { try? modelContext.fetchCount(FetchDescriptor<MuscleGroup>()) }
+    var exerciseTypeCount: Int? { try? modelContext.fetchCount(FetchDescriptor<ExerciseType>()) }
+    var exercisesCount: Int? { try? modelContext.fetchCount(FetchDescriptor<Exercise>()) }
+    
+    var body: some View {
+        NavigationStack {
+            Form {
+                Section (header: Text("Lists")) {
+                    NavigationLink(destination: SplitsListView()) {
+                        HStack {
+                            Text("Splits")
+                            Spacer()
+                            Text("\(splitsCount ?? 0)")
+                                .font(.caption)
+                                .foregroundColor(.gray)
+                        }
+                    }
+                    NavigationLink(destination: MuscleGroupsListView()) {
+                        HStack {
+                            Text("Muscle Groups")
+                            Spacer()
+                            Text("\(muscleGroupsCount ?? 0)")
+                                .font(.caption)
+                                .foregroundColor(.gray)
+                        }
+                    }
+                    NavigationLink(destination: MusclesListView()) {
+                        HStack {
+                            Text("Muscles")
+                            Spacer()
+                            Text("\(musclesCount ?? 0)")
+                                .font(.caption)
+                                .foregroundColor(.gray)
+                        }
+                    }
+                    NavigationLink(destination: ExerciseTypeListView()) {
+                        HStack {
+                            Text("Exercise Types")
+                            Spacer()
+                            Text("\(exerciseTypeCount ?? 0)")
+                                .font(.caption)
+                                .foregroundColor(.gray)
+                        }
+                    }
+                    NavigationLink(destination: ExercisesListView()) {
+                        HStack {
+                            Text("Exercises")
+                            Spacer()
+                            Text("\(exercisesCount ?? 0)")
+                                .font(.caption)
+                                .foregroundColor(.gray)
+                        }
+                    }
+                }
+            }
+            .navigationTitle("Settings")
+        }
+    }
+}

Workouts/Views/Settings/Splits/SplitAddEditView.swift

@@ -0,0 +1,78 @@
+import SwiftUI
+
+struct SplitAddEditView: View {
+    @Environment(\.dismiss) private var dismiss
+    @Environment(\.modelContext) private var modelContext
+
+    @Bindable var model: Split
+
+    @State var itemToEdit: SplitExerciseAssignment? = nil
+    @State var itemToDelete: SplitExerciseAssignment? = nil
+
+    var body: some View {
+        NavigationStack {
+            Form {
+                Section (header: Text("Name")) {
+                    TextField("Name", text: $model.name)
+                        .bold()
+                }
+                
+                Section(header: Text("Description")) {
+                    TextEditor(text: $model.intro)
+                        .frame(minHeight: 100)
+                        .padding(.vertical, 4)
+                }
+                
+                Section(header: Text("Exercises")) {
+                    let item = model
+                    if let assignments = item.exercises, !assignments.isEmpty {
+                        ForEach(assignments, id: \.id) { item in
+                            List {
+                                ListItem(
+                                    title: item.exercise?.name ?? "Unnamed",
+                                    subtitle: "\(item.sets) × \(item.reps) @ \(item.weight) lbs"
+                                )
+                                    .swipeActions(edge: .trailing, allowsFullSwipe: false) {
+                                        Button (role: .destructive) {
+                                            itemToDelete = item
+                                        } label: {
+                                            Label("Delete", systemImage: "trash")
+                                        }
+                                        Button {
+                                            itemToEdit = item
+                                        } label: {
+                                            Label("Edit", systemImage: "pencil")
+                                        }
+                                        .tint(.indigo)
+                                    }
+                            }
+                        }
+                    } else {
+                        Text("No exercises added")
+                            .foregroundColor(.secondary)
+                    }
+                    
+                    Button(action: {
+                        
+                    }) {
+                        Label("Add Exercise", systemImage: "plus.circle")
+                    }
+                }
+            }
+            .toolbar {
+                ToolbarItem(placement: .navigationBarLeading) {
+                    Button("Cancel") {
+                        dismiss()
+                    }
+                }
+                
+                ToolbarItem(placement: .navigationBarTrailing) {
+                    Button("Save") {
+                        try? modelContext.save()
+                        dismiss()
+                    }
+                }
+            }
+        }
+    }
+}

Workouts/Views/Settings/Splits/SplitsListView.swift

@@ -0,0 +1,78 @@
+//
+// SplitsListView.swift
+// Workouts
+//
+// Created by rzen on 7/13/25 at 10:27 AM.
+//
+// Copyright 2025 Rouslan Zenetl. All Rights Reserved.
+//
+
+import SwiftUI
+import SwiftData
+
+struct SplitsListView: View {
+    @Environment(\.dismiss) private var dismiss
+    @Environment(\.modelContext) private var modelContext
+
+    @Query(sort: [SortDescriptor(\Split.name)]) var items: [Split]
+    
+    @State var itemToEdit: Split? = nil
+    @State var itemToDelete: Split? = nil
+    
+    private func save () {
+        try? modelContext.save()
+    }
+    
+    var body: some View {
+        NavigationStack {
+            Form {
+                List {
+                    ForEach (items) { item in
+                        ListItem(
+                            title: item.name,
+                            count: item.exercises?.count
+                        )
+                            .swipeActions(edge: .trailing, allowsFullSwipe: false) {
+                                Button (role: .destructive) {
+                                    itemToDelete = item
+                                } label: {
+                                    Label("Delete", systemImage: "trash")
+                                }
+                                Button {
+                                    itemToEdit = item
+                                } label: {
+                                    Label("Edit", systemImage: "pencil")
+                                }
+                                .tint(.indigo)
+                            }
+                    }
+                }
+                .navigationTitle("Muscle Groups")
+            }
+            .sheet(item: $itemToEdit) {item in
+                SplitAddEditView(model: item)
+            }
+            .confirmationDialog(
+                "Delete?",
+                isPresented: Binding<Bool>(
+                    get: { itemToDelete != nil },
+                    set: { if !$0 { itemToDelete = nil } }
+                ),
+                titleVisibility: .visible
+            ) {
+                Button("Delete", role: .destructive) {
+                    if let itemToDelete = itemToDelete {
+                        modelContext.delete(itemToDelete)
+                        try? modelContext.save()
+                        self.itemToDelete = nil
+                    }
+                }
+                Button("Cancel", role: .cancel) {
+                    itemToDelete = nil
+                }
+            } message: {
+                Text("Are you sure you want to delete \(itemToDelete?.name ?? "this item")?")
+            }
+        }
+    }
+}

Workouts/WorkoutsApp.swift

@@ -13,23 +13,21 @@ import SwiftData
 
 @main
 struct WorkoutsApp: App {
-    var sharedModelContainer: ModelContainer = {
-        let schema = Schema([
-            Item.self,
-        ])
-        let modelConfiguration = ModelConfiguration(schema: schema, isStoredInMemoryOnly: false)
-
-        do {
-            return try ModelContainer(for: schema, configurations: [modelConfiguration])
-        } catch {
-            fatalError("Could not create ModelContainer: \(error)")
+        let container: ModelContainer
+    
+    init() {
+        var shouldCreateDefaults = false
+        self.container = WorkoutsContainer.create(shouldCreateDefaults: &shouldCreateDefaults)
+        
+        if shouldCreateDefaults {
+            InitialData.create(modelContext: ModelContext(container))
         }
-    }()
+    }
 
     var body: some Scene {
         WindowGroup {
             ContentView()
         }
-        .modelContainer(sharedModelContainer)
+        .modelContainer(container)
     }
 }