#!/usr/bin/env bash
# Build inside Docker container for Ubuntu 20.04 compatibility
set -eu -o pipefail

cd /hush3

# Clean previous build artifacts that may be from the host
make clean 2>/dev/null || true

# Clean host-built depends (native binaries won't work in container)
rm -rf depends/built depends/x86_64-unknown-linux-gnu depends/work
make -C depends clean 2>/dev/null || true

# Limit parallelism to avoid OOM kills inside Docker.
# Each C++ compilation can use 1-2 GB RAM; cap at ~half of nproc.
JOBS=$(( $(nproc) / 2 ))
[ "$JOBS" -lt 1 ] && JOBS=1

# Build RandomX for Linux (clean, since host build is different arch/libc)
cd src/RandomX
rm -rf build-linux
mkdir -p build-linux && cd build-linux
cmake -DARCH=native ..
make -j"$JOBS"
cd /hush3

# Run the normal build
./util/build.sh --disable-tests -j"$JOBS"

# Package release
echo "Creating Linux 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/${VERSION}-linux-amd64"
mkdir -p "$RELEASE_DIR"

strip -s src/hushd src/hush-cli src/hush-tx
cp src/hushd src/hush-cli src/hush-tx "$RELEASE_DIR/"
cp asmap.dat sapling-spend.params sapling-output.params "$RELEASE_DIR/" 2>/dev/null || true
cp contrib/scripts/hush-arrakis-chain contrib/scripts/dragonxd contrib/scripts/dragonx-cli "$RELEASE_DIR/"
cp contrib/bootstrap/bootstrap-dragonx.sh "$RELEASE_DIR/"

# Create ZIP inside release dir (matches --win-release layout)
rm -f "$RELEASE_DIR/${VERSION}-linux-amd64.zip"
cd "$RELEASE_DIR"
zip -9 "${VERSION}-linux-amd64.zip" *
cd ../..

echo "Release package created: $RELEASE_DIR/${VERSION}-linux-amd64.zip"
ls -lh "$RELEASE_DIR/${VERSION}-linux-amd64.zip"

# Fix ownership of all files created by root so host user can access them
if [ -n "${HOST_UID:-}" ] && [ -n "${HOST_GID:-}" ]; then
    echo "Fixing file ownership to ${HOST_UID}:${HOST_GID}..."
    chown -R "${HOST_UID}:${HOST_GID}" /hush3
fi