#!/bin/bash

# DataBridge dev script — watch & auto-rebuild + relaunch as .app bundle

# Usage: ./dev.sh

set -e

APP_NAME="DataBridge"

BUILD_DIR=".build/debug"

APP_BUNDLE="$BUILD_DIR/$APP_NAME.app"

build_app_bundle() {

# Wrap the executable into a proper .app bundle with icon

local contents="$APP_BUNDLE/Contents"

local macos="$contents/MacOS"

local resources="$contents/Resources"

rm -rf "$APP_BUNDLE"

mkdir -p "$macos" "$resources"

# Copy executable

cp "$BUILD_DIR/$APP_NAME" "$macos/$APP_NAME"

# Copy Info.plist

cp "DataBridge/Resources/Info.plist" "$contents/Info.plist"

# Copy icon

cp "DataBridge/Resources/AppIcon.icns" "$resources/AppIcon.icns"

# Copy SPM-generated resources bundle (Assets.xcassets, entitlements)

if [ -d "$BUILD_DIR/${APP_NAME}_${APP_NAME}.bundle" ]; then

cp -R "$BUILD_DIR/${APP_NAME}_${APP_NAME}.bundle" "$resources/"

fi

# Refresh the Finder icon cache for this bundle

touch "$APP_BUNDLE"

}

cleanup() {

killall "$APP_NAME" 2>/dev/null || true

exit 0

}

trap cleanup SIGINT SIGTERM

build_and_run() {

echo "🔨 Building..."

killall "$APP_NAME" 2>/dev/null || true

if swift build 2>&1; then

echo "📦 Creating .app bundle..."

build_app_bundle

echo "✅ Build succeeded — launching app..."

open "$APP_BUNDLE"

else

echo "❌ Build failed"

fi

echo ""

echo "👀 Watching for changes... (Ctrl+C to stop)"

}

# Initial build

build_and_run

# Watch for .swift file changes using a simple polling loop

# Install fswatch for better performance: brew install fswatch

LAST_HASH=""

while true; do

sleep 2

CURRENT_HASH=$(find DataBridge -name "*.swift" -newer "$BUILD_DIR/$APP_NAME" 2>/dev/null | head -1)

if [ -n "$CURRENT_HASH" ]; then

echo ""

echo "📝 Change detected..."

build_and_run

fi

done