#!/bin/bash
# build_app.sh - Build standalone macOS VoiceAgent.app bundle
set -euo pipefail

HERE="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
cd "$HERE"

echo "=== 1. Building Swift Helper & Launcher Binaries ==="
bash swift/build.sh

APP_NAME="VoiceAgent"
DIST_DIR="$HERE/dist"
APP_BUNDLE="$DIST_DIR/$APP_NAME.app"
CONTENTS_DIR="$APP_BUNDLE/Contents"
MACOS_DIR="$CONTENTS_DIR/MacOS"
RESOURCES_DIR="$CONTENTS_DIR/Resources"
SRC_DIR="$RESOURCES_DIR/src"

echo "=== 2. Creating macOS App Bundle Structure ==="
rm -rf "$APP_BUNDLE"
mkdir -p "$MACOS_DIR"
mkdir -p "$RESOURCES_DIR/swift"
mkdir -p "$SRC_DIR"

echo "=== 3. Compiling Native App Bundle Launcher ==="
swiftc -O -parse-as-library "$HERE/swift/VoiceAgentLauncher.swift" -o "$MACOS_DIR/VoiceAgent"
chmod +x "$MACOS_DIR/VoiceAgent"

echo "=== 4. Copying Source Files, Swift Helpers, and Assets ==="
cp "$HERE/swift/speech-helper" "$RESOURCES_DIR/swift/"
cp "$HERE/swift/llm-helper" "$RESOURCES_DIR/swift/"
chmod +x "$RESOURCES_DIR/swift/speech-helper" "$RESOURCES_DIR/swift/llm-helper"

# Copy python files and bin scripts to bundle resources
cp "$HERE"/*.py "$SRC_DIR/" 2>/dev/null || true
cp -R "$HERE/bin" "$SRC_DIR/" 2>/dev/null || true
if [ -f "$HERE/vocabulary.example.txt" ]; then
    cp "$HERE/vocabulary.example.txt" "$RESOURCES_DIR/"
fi
if [ -f "$HERE/corrections.example.txt" ]; then
    cp "$HERE/corrections.example.txt" "$RESOURCES_DIR/"
fi

echo "=== 5. Generating Info.plist with Entitlements ==="
cat << 'EOF' > "$CONTENTS_DIR/Info.plist"
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
    <key>CFBundleExecutable</key>
    <string>VoiceAgent</string>
    <key>CFBundleIdentifier</key>
    <string>com.voiceagent.mac</string>
    <key>CFBundleName</key>
    <string>VoiceAgent</string>
    <key>CFBundleDisplayName</key>
    <string>VoiceAgent</string>
    <key>CFBundlePackageType</key>
    <string>APPL</string>
    <key>CFBundleShortVersionString</key>
    <string>1.0.0</string>
    <key>CFBundleVersion</key>
    <string>1.0.0</string>
    <key>LSMinimumSystemVersion</key>
    <string>14.0</string>
    <key>NSMicrophoneUsageDescription</key>
    <string>VoiceAgent requires access to your microphone to listen to your voice commands.</string>
    <key>NSSpeechRecognitionUsageDescription</key>
    <string>VoiceAgent uses on-device speech recognition to process your spoken input.</string>
    <key>NSHighResolutionCapable</key>
    <true/>
</dict>
</plist>
EOF

echo "=== 6. Code-signing App Bundle ==="
codesign -s - --deep --force "$APP_BUNDLE"

echo "=== 7. Installing to /Applications ==="
rm -rf /Applications/VoiceAgent.app
cp -R "$APP_BUNDLE" /Applications/
codesign -s - --deep --force /Applications/VoiceAgent.app

echo "=========================================================="
echo "Successfully built and installed VoiceAgent.app to:"
echo "1. /Applications/VoiceAgent.app"
echo "2. $APP_BUNDLE"
echo "=========================================================="