#!/bin/bash
set -e

APP_NAME="TetheringHider"
BUILD_DIR="build"

echo "🔍 Obteniendo automáticamente la versión del proyecto desde Xcode..."
VERSION=$(xcodebuild -project "${APP_NAME}.xcodeproj" -scheme "${APP_NAME}" -configuration Release -showBuildSettings 2>/dev/null | grep -m1 "MARKETING_VERSION" | awk -F '=' '{print $2}' | xargs)

if [ -z "${VERSION}" ]; then
    echo "⚠️ No se pudo obtener MARKETING_VERSION automáticamente de Xcode."
    exit 1
fi

ARCHIVE_PATH="${BUILD_DIR}/${APP_NAME}.xcarchive"
EXPORT_PATH="${BUILD_DIR}/Exported"
EXPORT_OPTIONS_PLIST="ExportOptions.plist"
DMG_DIR="${BUILD_DIR}/dmg"
DMG_NAME="${APP_NAME}-${VERSION}.dmg"

echo "📌 Versión de la app detectada: ${VERSION}"

echo "📦 1. Creando ExportOptions.plist para exportación de macOS..."
cat << 'EOF' > "${EXPORT_OPTIONS_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>method</key>
	<string>mac-application</string>
	<key>destination</key>
	<string>export</string>
</dict>
</plist>
EOF

echo "📦 2. Ejecutando Product > Archive (${APP_NAME}.xcarchive)..."
rm -rf "${BUILD_DIR}"
xcodebuild -project "${APP_NAME}.xcodeproj" \
           -scheme "${APP_NAME}" \
           -configuration Release \
           -archivePath "${ARCHIVE_PATH}" \
           archive

echo "📦 3. Exportando aplicación distribuible..."
if ! xcodebuild -exportArchive \
               -archivePath "${ARCHIVE_PATH}" \
               -exportOptionsPlist "${EXPORT_OPTIONS_PLIST}" \
               -exportPath "${EXPORT_PATH}" 2>/dev/null; then
    echo "ℹ️ Copiando binario distribuible directamente desde el paquete .xcarchive..."
    mkdir -p "${EXPORT_PATH}"
    cp -R "${ARCHIVE_PATH}/Products/Applications/${APP_NAME}.app" "${EXPORT_PATH}/"
fi

APP_PATH="${EXPORT_PATH}/${APP_NAME}.app"

if [ ! -d "${APP_PATH}" ]; then
    echo "❌ Error: No se encontró la aplicación exportada en ${APP_PATH}"
    exit 1
fi

echo "📦 4. Preparando estructura para el archivo DMG..."
rm -rf "${DMG_DIR}" "${DMG_NAME}"
mkdir -p "${DMG_DIR}"

# Copiar la app exportada a la carpeta del DMG
cp -R "${APP_PATH}" "${DMG_DIR}/"

# Crear enlace simbólico a /Applications
ln -s /Applications "${DMG_DIR}/Applications"

echo "💿 5. Creando imagen de disco DMG: ${DMG_NAME}..."
hdiutil create -volname "${APP_NAME} ${VERSION}" \
               -srcfolder "${DMG_DIR}" \
               -ov \
               -format UDZO \
               "${DMG_NAME}"

# Limpieza de temporales
rm -rf "${DMG_DIR}" "${EXPORT_OPTIONS_PLIST}"

echo "✅ ¡DMG distribuible v${VERSION} creado exitosamente en: ${DMG_NAME}!"