Implement predictive analytics and custom reports

Modules/Analytics/Package.swift

@@ -0,0 +1,79 @@
+// swift-tools-version: 5.9
+//
+//  Package.swift
+//  Analytics Module
+//
+//  Apple Configuration:
+//  Bundle Identifier: com.homeinventory.app
+//  Display Name: Home Inventory
+//  Version: 1.0.5
+//  Build: 5
+//  Deployment Target: iOS 17.0
+//  Supported Devices: iPhone & iPad
+//  Team ID: 2VXBQV4XC9
+//
+//  Makefile Configuration:
+//  Default Simulator: iPhone 16 Pro Max (DD192264-DFAA-4582-B2FE-D6FC444C9DDF)
+//  iPad Simulator: iPad Pro 13-inch (M4) (CE6D038C-840B-4BDB-AA63-D61FA0755C4A)
+//  App Bundle ID: com.homeinventory.app
+//  Build Path: build/Build/Products/Debug-iphonesimulator/
+//
+//  Google Sign-In Configuration:
+//  Client ID: 316432172622-6huvbn752v0ep68jkfdftrh8fgpesikg.apps.googleusercontent.com
+//  URL Scheme: com.googleusercontent.apps.316432172622-6huvbn752v0ep68jkfdftrh8fgpesikg
+//  OAuth Scope: https://www.googleapis.com/auth/gmail.readonly
+//  Config Files: GoogleSignIn-Info.plist (project root), GoogleServices.plist (Gmail module)
+//
+//  Key Commands:
+//  Build and run: make build run
+//  Fast build (skip module prebuild): make build-fast run
+//  iPad build and run: make build-ipad run-ipad
+//  Clean build: make clean build run
+//  Run tests: make test
+//
+//  Project Structure:
+//  Main Target: HomeInventoryModular
+//  Test Targets: HomeInventoryModularTests, HomeInventoryModularUITests
+//  Swift Version: 5.9 (DO NOT upgrade to Swift 6)
+//  Minimum iOS Version: 17.0
+//
+//  Architecture: Modular SPM packages with local package dependencies
+//  Repository: https://github.com/DrunkOnJava/ModularHomeInventory.git
+//  Module: Analytics
+//  Dependencies: Core
+//  Testing: Modules/Analytics/Tests/AnalyticsTests.swift
+//
+//  Description: Swift package manifest for advanced analytics features including
+//               predictive analytics and custom report generation.
+//
+//  Created by Griffin Long on June 25, 2025
+//  Copyright © 2025 Home Inventory. All rights reserved.
+//
+// ⚠️ IMPORTANT: This project MUST use Swift 5.9 - DO NOT upgrade to Swift 6
+import PackageDescription
+
+let package = Package(
+    name: "Analytics",
+    platforms: [.iOS(.v17)],
+    products: [
+        .library(
+            name: "Analytics",
+            targets: ["Analytics"]
+        ),
+    ],
+    dependencies: [
+        .package(path: "../Core")
+    ],
+    targets: [
+        .target(
+            name: "Analytics",
+            dependencies: ["Core"],
+            path: "Sources"
+        ),
+        .testTarget(
+            name: "AnalyticsTests",
+            dependencies: ["Analytics"],
+            path: "Tests"
+        ),
+    ]
+)

Modules/Analytics/Sources/CustomReportService.swift

@@ -0,0 +1,31 @@
+import Foundation
+import Core
+
+/// Service for generating custom analytics summaries
+/// Swift 5.9 - No Swift 6 features
+public final class CustomReportService {
+    private let itemRepository: any ItemRepository
+
+    public init(itemRepository: any ItemRepository) {
+        self.itemRepository = itemRepository
+    }
+
+    /// Build a report grouped by category including total value
+    public func generateCategoryReport() async throws -> [CategoryReport] {
+        let items = try await itemRepository.fetchAll()
+        let groups = Dictionary(grouping: items) { $0.category }
+        return groups.map { category, items in
+            let totalValue = items.reduce(Decimal.zero) { sum, item in
+                sum + (item.value ?? item.purchasePrice ?? 0) * Decimal(item.quantity)
+            }
+            return CategoryReport(category: category, totalValue: totalValue, itemCount: items.count)
+        }.sorted { $0.totalValue > $1.totalValue }
+    }
+}
+
+public struct CategoryReport: Identifiable {
+    public let id = UUID()
+    public let category: ItemCategory
+    public let totalValue: Decimal
+    public let itemCount: Int
+}

Modules/Analytics/Sources/FutureValuePredictionService.swift

@@ -0,0 +1,33 @@
+import Foundation
+import Core
+
+/// Service for predicting future item values using a basic depreciation model
+/// Swift 5.9 - No Swift 6 features
+public final class FutureValuePredictionService {
+    private let itemRepository: any ItemRepository
+    private let calendar = Calendar.current
+
+    public init(itemRepository: any ItemRepository) {
+        self.itemRepository = itemRepository
+    }
+
+    /// Predict total inventory value on a future date
+    public func predictInventoryValue(on date: Date) async throws -> Decimal {
+        let items = try await itemRepository.fetchAll()
+        return items.reduce(0) { sum, item in
+            sum + (predictValue(for: item, on: date) ?? 0)
+        }
+    }
+
+    /// Predict the value of a single item on a future date
+    public func predictValue(for item: Item, on date: Date) -> Decimal? {
+        guard let purchasePrice = item.purchasePrice,
+              let purchaseDate = item.purchaseDate else { return item.value }
+
+        let months = calendar.dateComponents([.month], from: purchaseDate, to: date).month ?? 0
+        let monthlyRate: Decimal = 0.01 // 1% monthly depreciation
+        let depreciation = purchasePrice * monthlyRate * Decimal(months)
+        let predicted = max(purchasePrice - depreciation, purchasePrice * 0.2)
+        return predicted * Decimal(item.quantity)
+    }
+}

Modules/Analytics/Tests/AnalyticsTests.swift

@@ -0,0 +1,8 @@
+import XCTest
+@testable import Analytics
+
+final class AnalyticsTests: XCTestCase {
+    func testPlaceholder() {
+        XCTAssertTrue(true)
+    }
+}

Modules/Items/Package.swift

@@ -16,12 +16,13 @@ let package = Package(
         .package(path: "../SharedUI"),
         .package(path: "../BarcodeScanner"),
         .package(path: "../Receipts"),
-        .package(path: "../Gmail")
+        .package(path: "../Gmail"),
+        .package(path: "../Analytics")
     ],
     targets: [
         .target(
             name: "Items",
-            dependencies: ["Core", "SharedUI", "BarcodeScanner", "Receipts", "Gmail"],
+            dependencies: ["Core", "SharedUI", "BarcodeScanner", "Receipts", "Gmail", "Analytics"],
             path: "Sources"
         ),
         .testTarget(

Modules/Items/Sources/Public/ItemsModule.swift

@@ -1,5 +1,6 @@
 import SwiftUI
 import Core
+import Analytics
 
 /// Main implementation of the Items module
 @MainActor
@@ -81,7 +82,9 @@ public final class ItemsModule: ItemsModuleAPI {
             itemRepository: dependencies.itemRepository,
             receiptRepository: dependencies.receiptRepository,
             budgetRepository: dependencies.budgetRepository,
-            warrantyRepository: dependencies.warrantyRepository
+            warrantyRepository: dependencies.warrantyRepository,
+            predictionService: FutureValuePredictionService(itemRepository: dependencies.itemRepository),
+            reportService: CustomReportService(itemRepository: dependencies.itemRepository)
         )
         return AnyView(
             SpendingDashboardView(viewModel: viewModel)

Modules/Items/Sources/ViewModels/SpendingDashboardViewModel.swift

@@ -44,6 +44,7 @@
 
 import Foundation
 import Core
+import Analytics
 import Combine
 
 /// View model for the spending dashboard
@@ -55,6 +56,8 @@ final class SpendingDashboardViewModel: ObservableObject {
     let receiptRepository: (any ReceiptRepository)?
     let budgetRepository: (any BudgetRepository)?
     let warrantyRepository: any WarrantyRepository
+    let predictionService: FutureValuePredictionService
+    let reportService: CustomReportService
 
     // Published properties
     @Published var totalSpent: Decimal = 0
@@ -67,18 +70,30 @@ final class SpendingDashboardViewModel: ObservableObject {
     @Published var topRetailers: [RetailerSpendingData] = []
     @Published var isLoading = false
     @Published var spendingTrend: Double = 0
+    @Published var predictedValueNextMonth: Decimal = 0
+    @Published var predictedValueNextYear: Decimal = 0
+    @Published var categoryReports: [CategoryReport] = []
 
     let currency = "USD"
 
     var hasEnoughDataForInsights: Bool {
         itemCount > 0 && (topCategories.count > 0 || topRetailers.count > 0)
     }
 
-    init(itemRepository: any ItemRepository, receiptRepository: (any ReceiptRepository)? = nil, budgetRepository: (any BudgetRepository)? = nil, warrantyRepository: any WarrantyRepository) {
+    init(
+        itemRepository: any ItemRepository,
+        receiptRepository: (any ReceiptRepository)? = nil,
+        budgetRepository: (any BudgetRepository)? = nil,
+        warrantyRepository: any WarrantyRepository,
+        predictionService: FutureValuePredictionService,
+        reportService: CustomReportService
+    ) {
         self.itemRepository = itemRepository
         self.receiptRepository = receiptRepository
         self.budgetRepository = budgetRepository
         self.warrantyRepository = warrantyRepository
+        self.predictionService = predictionService
+        self.reportService = reportService
     }
 
     func loadData(for timeRange: SpendingDashboardView.TimeRange) async {
@@ -105,10 +120,20 @@ final class SpendingDashboardViewModel: ObservableObject {
 
             // Calculate top retailers (using brand as proxy for now)
             calculateTopRetailers(from: filteredItems)
-            
+
             // Calculate spending trend if possible
             await calculateSpendingTrend(currentItems: filteredItems, timeRange: timeRange)
-
+
+            // Predict future inventory values
+            if let nextMonth = Calendar.current.date(byAdding: .month, value: 1, to: Date()),
+               let nextYear = Calendar.current.date(byAdding: .year, value: 1, to: Date()) {
+                predictedValueNextMonth = try await predictionService.predictInventoryValue(on: nextMonth)
+                predictedValueNextYear = try await predictionService.predictInventoryValue(on: nextYear)
+            }
+
+            // Generate category reports
+            categoryReports = try await reportService.generateCategoryReport()
+
         } catch {
             print("Error loading spending data: \(error)")
         }

Modules/Items/Sources/Views/Analytics/CategoryReportListView.swift

@@ -0,0 +1,21 @@
+import SwiftUI
+import Analytics
+
+/// Simple list to display custom category reports
+/// Swift 5.9 - No Swift 6 features
+struct CategoryReportListView: View {
+    let reports: [CategoryReport]
+    let currency: String
+
+    var body: some View {
+        List(reports) { report in
+            HStack {
+                Text(report.category.displayName)
+                Spacer()
+                Text(report.totalValue.formatted(.currency(code: currency)))
+            }
+            .badge(report.itemCount)
+        }
+        .navigationTitle("Custom Report")
+    }
+}

Modules/Items/Sources/Views/Analytics/SpendingDashboardView.swift

@@ -62,6 +62,7 @@ struct SpendingDashboardView: View {
     @State private var selectedTimeRange: TimeRange = .month
     @State private var showingCategoryDetail = false
     @State private var selectedCategory: ItemCategory?
+    @State private var showingCustomReport = false
 
     enum TimeRange: String, CaseIterable {
         case week = "Week"
@@ -124,6 +125,9 @@ struct SpendingDashboardView: View {
                 )
             }
         }
+        .sheet(isPresented: $showingCustomReport) {
+            CategoryReportListView(reports: viewModel.categoryReports, currency: viewModel.currency)
+        }
     }
 
     // MARK: - Components
@@ -610,6 +614,28 @@ struct SpendingDashboardView: View {
                         color: viewModel.spendingTrend > 0 ? AppColors.warning : AppColors.success
                     )
                 }
+
+                // Predicted value next month
+                if viewModel.predictedValueNextMonth > 0 {
+                    QuickInsightCard(
+                        title: "Next Month",
+                        value: viewModel.predictedValueNextMonth.formatted(.currency(code: viewModel.currency)),
+                        subtitle: "Projected total value",
+                        icon: "calendar",
+                        color: AppColors.success
+                    )
+                }
+
+                // Predicted value next year
+                if viewModel.predictedValueNextYear > 0 {
+                    QuickInsightCard(
+                        title: "Next Year",
+                        value: viewModel.predictedValueNextYear.formatted(.currency(code: viewModel.currency)),
+                        subtitle: "Projected total value",
+                        icon: "calendar.badge.clock",
+                        color: AppColors.success
+                    )
+                }
 
                 // Most frequent store
                 if let topRetailer = viewModel.topRetailers.first {
@@ -647,9 +673,37 @@ struct SpendingDashboardView: View {
 
                 // Budget tracking link
                 budgetTrackingLink
-                
+
                 // Warranty dashboard link
                 warrantyDashboardLink
+
+                // Custom report link
+                Button(action: { showingCustomReport = true }) {
+                    HStack(spacing: AppSpacing.md) {
+                        Image(systemName: "doc.badge.gearshape")
+                            .font(.system(size: 44))
+                            .foregroundStyle(AppColors.primary)
+
+                        VStack(alignment: .leading, spacing: AppSpacing.xs) {
+                            Text("Custom Report")
+                                .textStyle(.headlineMedium)
+                                .foregroundStyle(AppColors.textPrimary)
+
+                            Text("Generate category summary")
+                                .textStyle(.bodyMedium)
+                                .foregroundStyle(AppColors.textSecondary)
+                        }
+
+                        Spacer()
+
+                        Image(systemName: "chevron.right")
+                            .font(.system(size: 16))
+                            .foregroundStyle(AppColors.textTertiary)
+                    }
+                    .padding(AppSpacing.lg)
+                    .background(AppColors.surface)
+                    .cornerRadius(AppCornerRadius.large)
+                }
             }
         }
     }

TESTFLIGHT_SUBMISSION_STATUS.md

@@ -62,7 +62,7 @@ If you prefer manual upload:
 
 ## Credentials Available
 ✅ Apple ID: griffinradcliffe@gmail.com
-✅ App-Specific Password: lyto-qjbu-uffy-hsgb
+✅ App-Specific Password: <APP_SPECIFIC_PASSWORD>
 ✅ Team ID: 2VXBQV4XC9
 ✅ Bundle ID: com.homeinventory.app
 

scripts/build_and_upload.rb

@@ -5,7 +5,7 @@
 
 # Set credentials
 ENV['FASTLANE_USER'] = 'griffinradcliffe@gmail.com'
-ENV['FASTLANE_APPLE_APPLICATION_SPECIFIC_PASSWORD'] = 'lyto-qjbu-uffy-hsgb'
+ENV['FASTLANE_APPLE_APPLICATION_SPECIFIC_PASSWORD'] = '<APP_SPECIFIC_PASSWORD>'
 
 puts "🚀 Building and Uploading to TestFlight"
 puts "======================================"

scripts/build_testflight.rb

@@ -88,7 +88,7 @@
       '-f', 'build/HomeInventoryModular.ipa',
       '-t', 'ios',
       '-u', 'griffinradcliffe@gmail.com',
-      '-p', ENV['FASTLANE_APPLE_APPLICATION_SPECIFIC_PASSWORD'] || 'lyto-qjbu-uffy-hsgb'
+      '-p', ENV['FASTLANE_APPLE_APPLICATION_SPECIFIC_PASSWORD'] || '<APP_SPECIFIC_PASSWORD>'
     ]
 
     if system(*upload_cmd)