#!/bin/sh

cur_dir="$(pwd)"
os_dir=$(dirname "$(./platform/os.sh)")

if test -e "${os_dir}/libbitcoind.so"; then
  read -r -p 'libbitcoind.so already built. Rebuild? (Y/n): ' choice
  if test x"$choice" != x'y' -a x"$choice" != x'Y'; then
    echo 'libbitcoind.so ready.'
    exit 0
  fi
fi

if test -n "$1"; then
  if test "$1" = 'remote'; then
    git clone git://github.com/bitcoin/bitcoin.git libbitcoind || exit 1
    btc_dir="${cur_dir}/libbitcoind"
  else
    btc_dir=$1
    if ! test -d "$btc_dir"; then
      "$0" remote
      exit 0
    fi
  fi
  shift
else
  btc_dir="${HOME}/bitcoin"
  if ! test -d "$btc_dir"; then
    "$0" remote
    exit 0
  fi
fi

./patch-bitcoin.sh "$btc_dir" || exit 1

cd "$btc_dir" || exit 1

./autogen.sh || exit 1
if test -n "$1"; then
  ./configure --enable-daemonlib --with-incompatible-bdb "$@" || exit 1
else
  ./configure --enable-daemonlib --with-incompatible-bdb || exit 1
fi
make || exit 1

cp src/libbitcoind.so "${os_dir}/libbitcoind.so" || exit 1

cd "$os_dir" || exit 1

cd "$cur_dir"
rm -rf libbitcoind

echo 'Build finished successfully.'
exit 0