#!/usr/bin/env bash
# Copyright (c) 2016-2026 The Hush developers
# Distributed under the GPLv3 software license, see the accompanying
# file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
#
# Native macOS build script.
# Requires: Xcode Command Line Tools, cmake, autoconf, automake, libtool, pkgconfig
# Optional: Homebrew GCC (brew install gcc) for better C++ compatibility

set -eu -o pipefail

# --- Detect architecture ---
ARCH=$(uname -m)  # arm64 or x86_64

# --- Detect compiler ---
# Prefer Homebrew GCC if available, otherwise use system clang
if command -v brew &>/dev/null; then
    # Find newest Homebrew GCC version
    GCC_PATH=$(ls -d /opt/homebrew/bin/gcc-[0-9]* /usr/local/bin/gcc-[0-9]* 2>/dev/null | sort -t- -k2 -n | tail -1 || true)
    GXX_PATH=$(echo "$GCC_PATH" | sed 's/gcc-/g++-/')
fi

if [ -n "${GCC_PATH:-}" ] && [ -x "$GCC_PATH" ]; then
    export CC="$GCC_PATH"
    export CXX="$GXX_PATH"
    echo "Using Homebrew GCC: $CC / $CXX"
    EXTRA_CXXFLAGS="-fwrapv -fno-strict-aliasing -Wno-builtin-declaration-mismatch -Werror -g"
else
    export CC=clang
    export CXX=clang++
    echo "Using system clang: $CC / $CXX"
    EXTRA_CXXFLAGS="-fwrapv -fno-strict-aliasing -Werror -g"
fi

export LIBTOOL=libtool
export AR=ar
export RANLIB=ranlib
export STRIP=strip
export OTOOL=otool
export NM=nm

if [ "x$*" = 'x--help' ]
then
    cat <<EOF
Usage:

$0 --help
  Show this help message and exit.

$0 [ --enable-lcov ] [ MAKEARGS... ]
  Build Hush and most of its transitive dependencies from
  source. MAKEARGS are applied to both dependencies and Hush itself. If
  --enable-lcov is passed, Hush is configured to add coverage
  instrumentation, thus enabling "make cov" to work.
EOF
    exit 0
fi

# If --enable-lcov is the first argument, enable lcov coverage support:
LCOV_ARG=''
HARDENING_ARG='--disable-hardening'
if [ "x${1:-}" = 'x--enable-lcov' ]
then
    LCOV_ARG='--enable-lcov'
    HARDENING_ARG='--disable-hardening'
    shift
fi

TRIPLET=`./depends/config.guess`
PREFIX="$(pwd)/depends/$TRIPLET"

make "$@" -C ./depends/ V=1 NO_QT=1

#BUILD CCLIB
WD=$PWD
cd src/cc
echo $PWD
./makecustom
cd $WD

# Build RandomX for macOS
cd src/RandomX
if [ -f "build-darwin/librandomx.a" ]
then
    ls -la build-darwin/librandomx*
else
    mkdir -p build-darwin && cd build-darwin
    CC="${CC} -g " CXX="${CXX} -g " cmake -DARCH=native ..
    make
fi

cd $WD

./autogen.sh
CPPFLAGS="-I$PREFIX/include" LDFLAGS="-L$PREFIX/lib -Wl,-undefined -Wl,dynamic_lookup" \
CXXFLAGS="${EXTRA_CXXFLAGS} -I$PREFIX/include" \
./configure --prefix="${PREFIX}" --with-gui=no "$HARDENING_ARG" "$LCOV_ARG"

make "$@" V=1 NO_GTEST=1 STATIC=1

# Package release
echo "Creating macOS release package..."
VERSION=$(grep -oP 'define\(_CLIENT_VERSION.*?,\s*\K[0-9]+' configure.ac | head -3 | tr '\n' '.' | sed 's/\.$//')
VERSION=${VERSION:-3.10.5}
RELEASE_DIR="release/${VERSION}-mac"
mkdir -p "$RELEASE_DIR"

# Strip binaries
strip src/hushd src/hush-cli src/hush-tx 2>/dev/null || true

# Copy binaries
cp src/hushd src/hush-cli src/hush-tx "$RELEASE_DIR/"

# Copy wrapper scripts
cp contrib/scripts/hush-arrakis-chain contrib/scripts/dragonxd contrib/scripts/dragonx-cli "$RELEASE_DIR/" 2>/dev/null || true

# Copy required data files
cp asmap.dat sapling-spend.params sapling-output.params "$RELEASE_DIR/" 2>/dev/null || true

# Copy bootstrap script
cp contrib/bootstrap/bootstrap-dragonx.sh "$RELEASE_DIR/" 2>/dev/null || true

# Create ZIP
rm -f "$RELEASE_DIR/${VERSION}-mac.zip"
cd "$RELEASE_DIR"
zip -9 "${VERSION}-mac.zip" *
cd ../..

echo "Release package created: $RELEASE_DIR/${VERSION}-mac.zip"
ls -lh "$RELEASE_DIR/${VERSION}-mac.zip"