Initial commit: Bluetooth mesh chat app with end-to-end encryption

2026-07-27 04:05:19 +00:00 · 2025-07-02 19:18:35 +02:00
commit 7e90bf6369
41 changed files with 2000 additions and 0 deletions
@@ -0,0 +1,177 @@
+import SwiftUI
+
+struct ContentView: View {
+    @EnvironmentObject var viewModel: ChatViewModel
+    @State private var messageText = ""
+    @FocusState private var isTextFieldFocused: Bool
+    @Environment(\.colorScheme) var colorScheme
+    @State private var showPeerList = false
+    
+    private var backgroundColor: Color {
+        colorScheme == .dark ? Color.black : Color.white
+    }
+    
+    private var textColor: Color {
+        colorScheme == .dark ? Color.green : Color(red: 0, green: 0.5, blue: 0)
+    }
+    
+    private var secondaryTextColor: Color {
+        colorScheme == .dark ? Color.green.opacity(0.8) : Color(red: 0, green: 0.5, blue: 0).opacity(0.8)
+    }
+    
+    var body: some View {
+        VStack(spacing: 0) {
+            headerView
+            Divider()
+            messagesView
+            Divider()
+            inputView
+        }
+        .background(backgroundColor)
+        .foregroundColor(textColor)
+        #if os(macOS)
+        .frame(minWidth: 600, minHeight: 400)
+        #endif
+    }
+    
+    private var headerView: some View {
+        HStack {
+            Text("bitchat")
+                .font(.system(size: 18, weight: .medium, design: .monospaced))
+                .foregroundColor(textColor)
+            
+            Spacer()
+            
+            Menu {
+                if viewModel.connectedPeers.isEmpty {
+                    Text("No peers connected")
+                        .font(.system(size: 12, design: .monospaced))
+                } else {
+                    let peerNicknames = viewModel.meshService.getPeerNicknames()
+                    ForEach(viewModel.connectedPeers, id: \.self) { peerID in
+                        if let displayName = peerNicknames[peerID], displayName != peerID {
+                            // Only show if we have a real nickname
+                            Label(displayName, systemImage: "person.fill")
+                                .font(.system(size: 12, design: .monospaced))
+                        }
+                    }
+                }
+            } label: {
+                HStack(spacing: 4) {
+                    Circle()
+                        .fill(viewModel.isConnected ? textColor : Color.red)
+                        .frame(width: 8, height: 8)
+                    
+                    HStack(spacing: 0) {
+                        Text(viewModel.isConnected ? "\(viewModel.connectedPeers.count) \(viewModel.connectedPeers.count == 1 ? "peer" : "peers")" : "Scanning...")
+                            .font(.system(size: 14, design: .monospaced))
+                            .foregroundColor(secondaryTextColor)
+                        Text(Image(systemName: "chevron.down"))
+                            .font(.system(size: 10))
+                            .foregroundColor(secondaryTextColor)
+                            .baselineOffset(-1)
+                    }
+                }
+                .contentShape(Rectangle()) // Make entire area tappable
+            }
+            .buttonStyle(.plain)
+            .menuStyle(.borderlessButton)
+            .menuIndicator(.hidden)
+            
+            Spacer()
+            
+            HStack(spacing: 4) {
+                Text("nick:")
+                    .font(.system(size: 11, design: .monospaced))
+                    .foregroundColor(secondaryTextColor)
+                
+                TextField("nickname", text: $viewModel.nickname)
+                    .textFieldStyle(.plain)
+                    .font(.system(size: 12, design: .monospaced))
+                    .frame(maxWidth: 100)
+                    .foregroundColor(textColor)
+                    .onChange(of: viewModel.nickname) { _ in
+                        viewModel.saveNickname()
+                    }
+                    .onSubmit {
+                        viewModel.saveNickname()
+                    }
+            }
+        }
+        .padding(.horizontal, 12)
+        .padding(.vertical, 8)
+        .background(backgroundColor.opacity(0.95))
+    }
+    
+    private var messagesView: some View {
+        ScrollViewReader { proxy in
+            ScrollView {
+                LazyVStack(alignment: .leading, spacing: 2) {
+                    ForEach(Array(viewModel.messages.enumerated()), id: \.offset) { index, message in
+                        VStack(alignment: .leading, spacing: 4) {
+                            Text(viewModel.formatMessage(message, colorScheme: colorScheme))
+                                .font(.system(size: 14, design: .monospaced))
+                                .fixedSize(horizontal: false, vertical: true)
+                                .frame(maxWidth: .infinity, alignment: .leading)
+                            
+                        }
+                        .padding(.horizontal, 12)
+                        .padding(.vertical, 2)
+                        .id(index)
+                    }
+                }
+                .padding(.vertical, 8)
+            }
+            .background(backgroundColor)
+            .onChange(of: viewModel.messages.count) { _ in
+                withAnimation {
+                    proxy.scrollTo(viewModel.messages.count - 1, anchor: .bottom)
+                }
+            }
+        }
+    }
+    
+    private var inputView: some View {
+        HStack(spacing: 4) {
+            Text("[\(viewModel.formatTimestamp(Date()))]")
+                .font(.system(size: 12, design: .monospaced))
+                .foregroundColor(secondaryTextColor)
+                .lineLimit(1)
+                .fixedSize()
+                .padding(.leading, 12)
+            
+            Text("<\(viewModel.nickname)>")
+                .font(.system(size: 12, weight: .medium, design: .monospaced))
+                .foregroundColor(textColor)
+                .lineLimit(1)
+                .fixedSize()
+            
+            TextField("", text: $messageText)
+                .textFieldStyle(.plain)
+                .font(.system(size: 14, design: .monospaced))
+                .foregroundColor(textColor)
+                .focused($isTextFieldFocused)
+                .onSubmit {
+                    sendMessage()
+                }
+            
+            Button(action: sendMessage) {
+                Image(systemName: "arrow.right.circle.fill")
+                    .font(.system(size: 16))
+                    .foregroundColor(textColor)
+            }
+            .buttonStyle(.plain)
+            .padding(.trailing, 12)
+        }
+        .padding(.vertical, 10)
+        .background(backgroundColor.opacity(0.95))
+        .onAppear {
+            isTextFieldFocused = true
+        }
+    }
+    
+    private func sendMessage() {
+        viewModel.sendMessage(messageText)
+        messageText = ""
+    }
+}