#!/usr/bin/env bash

HASHIDS_VSN="v1.2.1"

# /bin/sh on Solaris is not a POSIX compatible shell, but /usr/bin/ksh is.
if [ `uname -s` = 'SunOS' -a "${POSIX_SHELL}" != "true" ]; then
    POSIX_SHELL="true"
    export POSIX_SHELL
    exec /usr/bin/ksh $0 $@
fi
unset POSIX_SHELL # clear it so if we invoke other scripts, they run as ksh as well

set -e

if [ `basename $PWD` != "c_src" ]; then
    # originally "pushd c_src" of bash
    # but no need to use directory stack push here
    cd c_src
fi

BASEDIR="$PWD/hashids.c"

# detecting gmake and if exists use it
# if not use make
# (code from github.com/tuncer/re2/c_src/build_deps.sh
which gmake 1>/dev/null 2>/dev/null && MAKE=gmake
MAKE=${MAKE:-make}

# Changed "make" to $MAKE

case "$1" in
    touch)
        mkdir -p "../priv/"
        if [ ! -f "../priv/ehashids.so" ]; then
            touch -a -m -t 198001010000.00 "../priv/ehashids.so"
        fi
        ;;

    rm-deps)
        rm -rf hashids.c
        ;;

    clean)
        rm -rf hashids.c
        if [ -d hashids.c ]; then
            (cd hashids.c && $MAKE clean)
        fi
        ;;

    test)
        export CFLAGS="$CFLAGS -fPIC -I $BASEDIR/include"
        export CXXFLAGS="$CXXFLAGS -fPIC -I $BASEDIR/include"
        export LDFLAGS="$LDFLAGS -L$BASEDIR/lib"
        export LD_LIBRARY_PATH="$BASEDIR/lib:$LD_LIBRARY_PATH"

        (cd hashids.c && $MAKE check)

        ;;

    get-deps)
        if [ ! -d hashids.c ]; then
            git clone https://github.com/tzvetkoff/hashids.c.git
            (cd hashids.c && git checkout -b build $HASHIDS_VSN)
        fi
        ;;

    *)
        mkdir -p ../priv
        # Fix ehashids missing artifact priv/ehashids.so
        # rebar3 needs a file there to function correctly.
        if [ -f ../priv/ehashids.so ]; then
          if [ ! -s ../priv/ehashids.so ]; then
            rm ../priv/ehashids.so
          fi
        fi
        priv_files=$(shopt -s nullglob dotglob; echo ../priv/*)
        if (( ${#priv_files} )); then
          :
        else
          export MACOSX_DEPLOYMENT_TARGET=10.8

          export CFLAGS="$CFLAGS -fPIC -I $BASEDIR/include"
          export CXXFLAGS="$CXXFLAGS -fPIC -I $BASEDIR/include"
          export LDFLAGS="$LDFLAGS -L$BASEDIR/lib"
          export LD_LIBRARY_PATH="$BASEDIR/lib:$LD_LIBRARY_PATH"
          export HASHIDS_VSN="$HASHIDS_VSN"

          if [ ! -d hashids.c ]; then
              git clone https://github.com/tzvetkoff/hashids.c.git
              (cd hashids.c && git checkout -b build $HASHIDS_VSN)
          fi

          if [[ "$OSTYPE" == "darwin"* ]]; then
              path_to_libtool=$(which libtool)
              path_to_autoreconf=$(which autoreconf)
              if [ -z ${path_to_libtool} ] || [ -z ${path_to_autoreconf} ] ; then
                echo "Build tools are MISSING please install them with: brew install autoconf automake libtool"
              fi
          fi

          if [ ! -f hashids.c/config.h ]; then
            (cd hashids.c && ./bootstrap && ./configure --enable-static=yes && $MAKE -j9 all)
          else
            (cd hashids.c && $MAKE -j9 all)
          fi
        fi
        ;;
esac