#!/usr/bin/env bash

# build-wireguard-go.sh
# A helper build script for WireGuardGoBridge via ExternalBuildSystem target in Xcode.
#
# ExternalBuildSystem target configuration:
# Build Tool: /bin/sh
# Arguments: build-wireguard-go.sh $(ACTION)
# Directory: $(SOURCE_ROOT)
# Pass build settings in environment: YES

# Passed by Xcode
ACTION=$1

if [ "$SOURCE_PACKAGES_PATH" == "" ]; then
    # When archiving, Xcode sets the action to "install"
    if [ "$ACTION" == "install" ]; then
        SOURCE_PACKAGES_PATH="$BUILD_DIR/../../../../../SourcePackages"
    elif [ "$ENABLE_PREVIEWS" == "YES" ]; then
        SOURCE_PACKAGES_PATH="$BUILD_DIR/../../../../../../SourcePackages"
    else
        SOURCE_PACKAGES_PATH="$BUILD_DIR/../../SourcePackages"
    fi
fi

# Resolve SourcesPackages path
RESOLVED_SOURCE_PACKAGES_PATH="$(cd "$SOURCE_PACKAGES_PATH" && pwd -P)"
if [ "$RESOLVED_SOURCE_PACKAGES_PATH" == "" ]; then
    echo "Failed to resolve the SourcePackages path: $SOURCE_PACKAGES_PATH"
    exit 1
fi

# Compile the path to the Makefile directory
WIREGUARD_KIT_GO_PATH="wireguard-apple/Sources/WireGuardKitGo"
echo "WireGuardKitGo path resolved to $WIREGUARD_KIT_GO_PATH"

export PATH=/opt/homebrew/opt/go@1.21/bin:$PATH

case "$ACTION" in
docbuild)
    MAKE_TARGET="build"
    ;;
build | install | clean)
    MAKE_TARGET="$ACTION"
    ;;
exportloc)
    echo "Skipping WireGuardKitGo build for exportloc"
    exit 0
    ;;
*)
    echo "Unknown or unsupported ACTION '$ACTION' — defaulting to 'build'"
    MAKE_TARGET="build"
    ;;
esac

# Run make
# shellcheck disable=SC2086
/usr/bin/make -C "$WIREGUARD_KIT_GO_PATH" "$MAKE_TARGET"