#!/bin/bash
#
# Assembles build/iPod Contacts and Calendar Sync.app from the SwiftPM executable.
#
# SwiftPM builds a bare binary; macOS needs it inside a bundle with an
# Info.plist before Contacts and EventKit will even prompt for access, so the
# bundle is put together here rather than by an Xcode target.
#
#   ./Scripts/bundle.sh              # native architecture
#   ./Scripts/bundle.sh --universal  # arm64 + x86_64
#
set -euo pipefail

ROOT="$(cd "$(dirname "$0")/.." && pwd)"
APP_NAME="iPod Contacts and Calendar Sync"
BUNDLE_ID="ca.unsupervised.ipodsync"
VERSION="2.0"
MIN_MACOS="14.0"

BUILD_DIR="$ROOT/build"
APP="$BUILD_DIR/$APP_NAME.app"

# Bash 3.2 ships with macOS and treats an empty array as unbound under
# `set -u`, hence the ${ARCH_FLAGS[@]+…} guard at each use site.
ARCH_FLAGS=()
if [ "${1:-}" = "--universal" ]; then
    ARCH_FLAGS=(--arch arm64 --arch x86_64)
fi

echo "Building…"
swift build --package-path "$ROOT" -c release ${ARCH_FLAGS[@]+"${ARCH_FLAGS[@]}"}
BIN_PATH="$(swift build --package-path "$ROOT" -c release ${ARCH_FLAGS[@]+"${ARCH_FLAGS[@]}"} --show-bin-path)"

echo "Assembling $APP_NAME.app…"
rm -rf "$APP"
mkdir -p "$APP/Contents/MacOS" "$APP/Contents/Resources"

cp "$BIN_PATH/iPodSyncApp" "$APP/Contents/MacOS/$APP_NAME"

cat > "$APP/Contents/Info.plist" <<PLIST
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
    <key>CFBundleName</key>
    <string>$APP_NAME</string>
    <key>CFBundleDisplayName</key>
    <string>$APP_NAME</string>
    <key>CFBundleIdentifier</key>
    <string>$BUNDLE_ID</string>
    <key>CFBundleVersion</key>
    <string>$VERSION</string>
    <key>CFBundleShortVersionString</key>
    <string>$VERSION</string>
    <key>CFBundlePackageType</key>
    <string>APPL</string>
    <key>CFBundleExecutable</key>
    <string>$APP_NAME</string>
    <key>CFBundleInfoDictionaryVersion</key>
    <string>6.0</string>
    <key>LSMinimumSystemVersion</key>
    <string>$MIN_MACOS</string>
    <key>NSHighResolutionCapable</key>
    <true/>
    <key>NSSupportsAutomaticTermination</key>
    <true/>
    <key>NSContactsUsageDescription</key>
    <string>iPod Contacts and Calendar Sync reads your contacts so it can write one iPod-compatible vCard file per person.</string>
    <key>NSCalendarsFullAccessUsageDescription</key>
    <string>iPod Contacts and Calendar Sync reads your calendars so it can write iPod-compatible calendar files.</string>
    <key>NSCalendarsUsageDescription</key>
    <string>iPod Contacts and Calendar Sync reads your calendars so it can write iPod-compatible calendar files.</string>
</dict>
PLIST
echo "</plist>" >> "$APP/Contents/Info.plist"

# Ad-hoc signature. Contacts and Calendars identify an app by its code
# signature, so an unsigned bundle either re-prompts constantly or is denied
# outright. This is not a Developer ID signature — Gatekeeper still requires
# right-click → Open the first time.
echo "Signing (ad-hoc)…"
codesign --force --sign - --timestamp=none "$APP" >/dev/null 2>&1

echo "Built $APP"