#!/usr/bin/env bash

set -e
set -o pipefail

CONFIG_FILE=$1

if [ `uname -s` = 'Darwin' ]; then
    MASON_PLATFORM=${MASON_PLATFORM:-osx}
fi

function finish {
    >&2 echo -en "\033[0m";
}
trap finish EXIT

# Install mason
git submodule update --init .mason
export PATH="`pwd`/.mason:${PATH}" MASON_DIR="`pwd`/.mason"

case ${MASON_PLATFORM} in
    'ios')
        SQLITE_VERSION=system
        LIBUV_VERSION=0.10.28
        ZLIB_VERSION=system
        BOOST_VERSION=system
        ;;
    'android')
        SQLITE_VERSION=3.8.8.1
        LIBPNG_VERSION=1.6.16
        LIBJPEG_VERSION=v9a
        OPENSSL_VERSION=1.0.1l
        LIBCURL_VERSION=7.40.0
        LIBUV_VERSION=1.4.0
        ZLIB_VERSION=system
        BOOST_VERSION=1.57.0
        NUNICODE_VERSION=1.5.1
        LIBZIP_VERSION=0.11.2
        ;;
    *)
        GLFW_VERSION=3.1
        SQLITE_VERSION=3.8.8.1
        LIBPNG_VERSION=1.6.16
        LIBJPEG_VERSION=v9a
        LIBCURL_VERSION=system
        LIBUV_VERSION=0.10.28
        ZLIB_VERSION=system
        BOOST_VERSION=1.57.0
        BOOST_PROGRAM_OPTIONS_VERSION=1.57.0
        NUNICODE_VERSION=1.5.1
        LIBZIP_VERSION=0.11.2
        ;;
esac

if [ ${MASON_PLATFORM} == 'linux' ] ; then
    MESA_VERSION=10.4.3
    mason install mesa ${MESA_VERSION}
    export PKG_CONFIG_PATH=`mason prefix mesa ${MESA_VERSION}`/lib/pkgconfig
fi

function abort { >&2 echo -e "\033[1m\033[31m$1\033[0m"; exit 1; }

if [ -z ${CONFIG_FILE} ]; then
    abort 'You need to specify an output path for the configuration file'
fi

if [[ ${MASON_PLATFORM} = 'android' && -z ${MASON_ANDROID_ABI} ]]; then
    abort 'You need to specify an ABI for android platforms'
fi

echo -n "MASON_PLATFORM=${MASON_PLATFORM} "
if [ ${MASON_PLATFORM} = 'android' ]; then echo -n "MASON_ANDROID_ABI=${MASON_ANDROID_ABI} " ; fi
echo $0 $@

PYTHON=`which python || abort 'Cannot find python'`

>&2 echo -en "\033[1m\033[32m* Using "
>&2 ${PYTHON} --version
>&2 echo -en "\033[0m";

PKG_CONFIG=`which pkg-config || abort 'Cannot find pkg-config'`

>&2 echo -en "\033[1m\033[32m* Using pkg-config "
>&2 ${PKG_CONFIG} --version
>&2 echo -en "\033[0m";

function quote_flags {
    ${PYTHON} -c "import sys, re; print filter(None, re.split('(?<!-framework)\s+', ' '.join(sys.argv[1:])))" "$@"
}

LN=$'\n'

CONFIG="# Do not edit. Generated by the configure script.
{
  'target_defaults': {
    'cflags%': [],
    'default_configuration': 'Release',
    'defines': [],
    'include_dirs': [],
    'libraries': []
  },
  'variables': {
"

if [ ! -z ${BOOST_VERSION} ]; then
    mason install boost ${BOOST_VERSION}
    CONFIG+="    'boost_cflags%': $(quote_flags $(mason cflags boost ${BOOST_VERSION})),"$LN
fi

if [ ! -z ${BOOST_PROGRAM_OPTIONS_VERSION} ]; then
    mason install boost_libprogram_options ${BOOST_PROGRAM_OPTIONS_VERSION}
    CONFIG+="    'boost_program_options_static_libs%': $(quote_flags $(mason static_libs boost_libprogram_options ${BOOST_VERSION})),"$LN
fi

if [ ! -z ${OPENSSL_VERSION} ]; then
    mason install openssl ${OPENSSL_VERSION}
    CONFIG+="    'openssl_static_libs%': $(quote_flags $(mason static_libs openssl ${OPENSSL_VERSION})),"$LN
    CONFIG+="    'openssl_cflags%': $(quote_flags $(mason cflags openssl ${OPENSSL_VERSION})),"$LN
    CONFIG+="    'openssl_ldflags%': $(quote_flags $(mason ldflags openssl ${OPENSSL_VERSION})),"$LN
fi

if [ ! -z ${LIBCURL_VERSION} ]; then
    mason install libcurl ${LIBCURL_VERSION}
    CONFIG+="    'curl_static_libs%': $(quote_flags $(mason static_libs libcurl ${LIBCURL_VERSION})),"$LN
    CONFIG+="    'curl_cflags%': $(quote_flags $(mason cflags libcurl ${LIBCURL_VERSION})),"$LN
    CONFIG+="    'curl_ldflags%': $(quote_flags $(mason ldflags libcurl ${LIBCURL_VERSION})),"$LN
fi

if [ ! -z ${GLFW_VERSION} ]; then
    mason install glfw ${GLFW_VERSION}
    CONFIG+="    'glfw3_static_libs%': $(quote_flags $(mason static_libs glfw ${GLFW_VERSION})),"$LN
    CONFIG+="    'glfw3_cflags%': $(quote_flags $(mason cflags glfw ${GLFW_VERSION})),"$LN
    CONFIG+="    'glfw3_ldflags%': $(quote_flags $(mason ldflags glfw ${GLFW_VERSION})),"$LN
fi

if [ ${MASON_PLATFORM} == 'linux' ]; then
    CONFIG+="    'opengl_cflags%': $(quote_flags $(pkg-config gl x11 --cflags)),"$LN
    CONFIG+="    'opengl_ldflags%': $(quote_flags $(pkg-config gl x11 --libs)),"$LN
else
    CONFIG+="    'opengl_cflags%': $(quote_flags),"$LN
    CONFIG+="    'opengl_ldflags%': $(quote_flags),"$LN
fi

if [ ! -z ${LIBPNG_VERSION} ]; then
    mason install libpng ${LIBPNG_VERSION}
    CONFIG+="    'png_static_libs%': $(quote_flags $(mason static_libs libpng ${LIBPNG_VERSION})),"$LN
    CONFIG+="    'png_cflags%': $(quote_flags $(mason cflags libpng ${LIBPNG_VERSION})),"$LN
    CONFIG+="    'png_ldflags%': $(quote_flags $(mason ldflags libpng ${LIBPNG_VERSION})),"$LN
fi

if [ ! -z ${LIBJPEG_VERSION} ]; then
    mason install jpeg ${LIBJPEG_VERSION}
    CONFIG+="    'jpeg_static_libs%': $(quote_flags $(mason static_libs jpeg ${LIBJPEG_VERSION})),"$LN
    CONFIG+="    'jpeg_cflags%': $(quote_flags $(mason cflags jpeg ${LIBJPEG_VERSION})),"$LN
    CONFIG+="    'jpeg_ldflags%': $(quote_flags $(mason ldflags jpeg ${LIBJPEG_VERSION})),"$LN
fi

if [ ! -z ${SQLITE_VERSION} ]; then
    mason install sqlite ${SQLITE_VERSION}
    CONFIG+="    'sqlite3_static_libs%': $(quote_flags $(mason static_libs sqlite ${SQLITE_VERSION})),"$LN
    CONFIG+="    'sqlite3_cflags%': $(quote_flags $(mason cflags sqlite ${SQLITE_VERSION})),"$LN
    CONFIG+="    'sqlite3_ldflags%': $(quote_flags $(mason ldflags sqlite ${SQLITE_VERSION})),"$LN
fi

if [ ! -z ${LIBUV_VERSION} ]; then
    mason install libuv ${LIBUV_VERSION}
    CONFIG+="    'uv_static_libs%': $(quote_flags $(mason static_libs libuv ${LIBUV_VERSION})),"$LN
    CONFIG+="    'uv_cflags%': $(quote_flags $(mason cflags libuv ${LIBUV_VERSION})),"$LN
    CONFIG+="    'uv_ldflags%': $(quote_flags $(mason ldflags libuv ${LIBUV_VERSION})),"$LN
fi

if [ ! -z ${ZLIB_VERSION} ]; then
    mason install zlib ${ZLIB_VERSION}
    CONFIG+="    'zlib_static_libs%': $(quote_flags $(mason static_libs zlib ${ZLIB_VERSION})),"$LN
    CONFIG+="    'zlib_cflags%': $(quote_flags $(mason cflags zlib ${ZLIB_VERSION})),"$LN
    CONFIG+="    'zlib_ldflags%': $(quote_flags $(mason ldflags zlib ${ZLIB_VERSION})),"$LN
fi

if [ ! -z ${NUNICODE_VERSION} ]; then
    mason install nunicode ${NUNICODE_VERSION}
    CONFIG+="    'nu_static_libs%': $(quote_flags $(mason static_libs nunicode ${NUNICODE_VERSION})),"$LN
    CONFIG+="    'nu_cflags%': $(quote_flags $(mason cflags nunicode ${NUNICODE_VERSION})),"$LN
    CONFIG+="    'nu_ldflags%': $(quote_flags $(mason ldflags nunicode ${NUNICODE_VERSION})),"$LN
fi

if [ ! -z ${LIBZIP_VERSION} ]; then
    mason install libzip ${LIBZIP_VERSION}
    CONFIG+="    'zip_static_libs%': $(quote_flags $(mason static_libs libzip ${LIBZIP_VERSION})),"$LN
    CONFIG+="    'zip_cflags%': $(quote_flags $(mason cflags libzip ${LIBZIP_VERSION})),"$LN
    CONFIG+="    'zip_ldflags%': $(quote_flags $(mason ldflags libzip ${LIBZIP_VERSION})),"$LN
fi

CONFIG+="  }
}
"

echo "${CONFIG}" > ${CONFIG_FILE}
cat ${CONFIG_FILE}