#!/usr/bin/env bash
# Helper to build a minimal macOS .app wrapper for Solaar.
set -euo pipefail

APP_ROOT=${1:-/Applications/Solaar.app}
SOLAAR_PATH=${SOLAAR_PATH:-solaar}
SOLAAR_RESOLVED_PATH=$(command -v "${SOLAAR_PATH}" 2>/dev/null || echo "")
if [ -z "${SOLAAR_RESOLVED_PATH}" ]; then
    echo "Error: '${SOLAAR_PATH}' not found" >&2
    exit 1
fi
ICON_SOURCE=${ICON_SOURCE:-share/solaar/icons/solaar.svg}

case "${APP_ROOT}" in
    ""|"/"|".")
        echo "Error: Refusing to create app bundle at unsafe location: \"${APP_ROOT}\"" >&2
        exit 1
        ;;
esac

echo "Creating Solaar app bundle at ${APP_ROOT}"
rm -rf "${APP_ROOT}"

APP_CONTENTS="${APP_ROOT}/Contents"
MACOS_DIR="${APP_CONTENTS}/MacOS"
RESOURCES_DIR="${APP_CONTENTS}/Resources"

mkdir -p "${MACOS_DIR}" "${RESOURCES_DIR}"

WRAPPER="${MACOS_DIR}/solaar-wrapper"
cat > "${WRAPPER}" <<EOF
#!/usr/bin/env bash
set -euo pipefail

# When launched via 'Solaar.app', macOS applies .app bundle restrictions
# that may prevent GTK from creating a tray icon properly.
# Workaround: Launch solaar in a detached background process

# NOTE: macOS Python always uses Python.app which shows a Dock icon
# LSUIElement=true in Info.plist would have hidden it, but Python.app has its own Info.plist
# that overrides ours. This is a limitation of Python on macOS.

if [[ "\${SOLAAR_RELAUNCHED:-}" != "1" ]]; then
    # First invocation from .app bundle - relaunch detached
    export SOLAAR_RELAUNCHED=1
    nohup "\$0" "\$@" >/dev/null 2>&1 &
    exit 0
fi

# Second invocation - now detached, exec solaar normally
exec "${SOLAAR_RESOLVED_PATH}" "\$@"
EOF
chmod +x "${WRAPPER}"

HAVE_ICON=0
if command -v sips >/dev/null 2>&1 && command -v iconutil >/dev/null 2>&1 && [[ -f "${ICON_SOURCE}" ]]; then
    TMP_DIR=$(mktemp -d /tmp/solaar-icon.XXXXXX)
    TMP_ICONSET="${TMP_DIR}/solaar.iconset"
    mkdir -p "${TMP_ICONSET}"
    trap 'rm -rf "${TMP_DIR}"' EXIT
    for SIZE in 16 32 64 128 256 512; do
        sips -s format png -z "${SIZE}" "${SIZE}" "${ICON_SOURCE}" --out "${TMP_ICONSET}/icon_${SIZE}x${SIZE}.png" >/dev/null
        DOUBLE=$((SIZE * 2))
        sips -s format png -z "${DOUBLE}" "${DOUBLE}" "${ICON_SOURCE}" --out "${TMP_ICONSET}/icon_${SIZE}x${SIZE}@2x.png" >/dev/null
    done
    if iconutil -c icns "${TMP_ICONSET}" -o "${RESOURCES_DIR}/solaar.icns" >/dev/null 2>&1; then
        HAVE_ICON=1
        echo "Added icon from ${ICON_SOURCE}"
    else
        echo "Warning: Failed to create solaar.icns – continuing without custom icon" >&2
    fi
    rm -rf "${TMP_DIR}"
    trap - EXIT
else
    echo "Skipping icon generation (requires sips, iconutil, and ${ICON_SOURCE})"
fi

{
cat <<EOF
<?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>solaar-wrapper</string>
    <key>CFBundleIdentifier</key>
    <string>io.github.pwr-solaar.solaar</string>
    <key>CFBundleName</key>
    <string>Solaar</string>
    <key>CFBundlePackageType</key>
    <string>APPL</string>
    <key>CFBundleShortVersionString</key>
    <string>1.0</string>
    <key>LSMinimumSystemVersion</key>
    <string>11.0</string>
    <key>NSInputMonitoringUsageDescription</key>
    <string>Solaar needs to access input devices to configure and monitor your Logitech keyboards, mice, and other peripherals.</string>
    <key>LSUIElement</key>
    <false/>
EOF
if [[ ${HAVE_ICON} -eq 1 ]]; then
cat <<'EOF'
    <key>CFBundleIconFile</key>
    <string>solaar.icns</string>
EOF
fi
cat <<'EOF'
</dict>
</plist>
EOF
} > "${APP_CONTENTS}/Info.plist"

echo "Solaar app bundle created at ${APP_ROOT}"
echo ""
echo "To install the LaunchAgent for automatic startup and keep-alive execute:"
echo "  bash tools/create-macos-launchagent.sh"