set -euo pipefail

APP_NAME="Spellbreak"

BUILD_ROOT="build"

APP_BUNDLE="${BUILD_ROOT}/${APP_NAME}.app"

INFO_PLIST="Sources/Spellbreak/Resources/Info.plist"

VERSION=$(/usr/libexec/PlistBuddy -c "Print :CFBundleShortVersionString" "$INFO_PLIST")

DMG_NAME="${APP_NAME}-v${VERSION}"

DMG_DIR="dist"

SIGN_IDENTITY=""

while [[ $# -gt 0 ]]; do

case "$1" in

--sign)

SIGN_IDENTITY="$2"

shift 2

;;

*)

shift

;;

esac

echo "🔮 Building ${APP_NAME} v${VERSION}..."

if [[ -n "$SIGN_IDENTITY" ]]; then

./build-app.sh --sign "$SIGN_IDENTITY"

./build-app.sh

echo "💿 Creating DMG..."

mkdir -p "$DMG_DIR"

rm -f "${DMG_DIR}/${DMG_NAME}.dmg"

DMG_STAGING="$(mktemp -d)"

ditto "$APP_BUNDLE" "${DMG_STAGING}/${APP_NAME}.app"

ln -s /Applications "${DMG_STAGING}/Applications"

hdiutil create \

-volname "$APP_NAME" \

-srcfolder "$DMG_STAGING" \

-ov \

-format UDZO \

-imagekey zlib-level=9 \

"${DMG_DIR}/${DMG_NAME}.dmg"

rm -rf "$DMG_STAGING"

if [[ -n "$SIGN_IDENTITY" ]]; then

echo "🔏 Signing DMG..."

codesign --force --sign "$SIGN_IDENTITY" --timestamp "${DMG_DIR}/${DMG_NAME}.dmg"

codesign --verify --verbose "${DMG_DIR}/${DMG_NAME}.dmg"

codesign --remove-signature "${DMG_DIR}/${DMG_NAME}.dmg" >/dev/null 2>&1 || true

echo "✨ DMG build complete"

echo " App: ${APP_BUNDLE}"

echo " DMG: ${DMG_DIR}/${DMG_NAME}.dmg"

du -h "${DMG_DIR}/${DMG_NAME}.dmg" | awk '{print " Size: " $1}'