# Copyright (C) NGINX, Inc.


shift

for nxt_option; do

    case "$nxt_option" in
        -*=*) value=`echo "$nxt_option" | sed -e 's/[-_a-zA-Z0-9]*=//'`     ;;
           *) value=""                                                      ;;
    esac

    case "$nxt_option" in
        --node=*)       NXT_NODE="$value"                                   ;;
        --npm=*)        NXT_NPM="$value"                                    ;;
        --node-gyp=*)   NXT_NODE_GYP="$value"                               ;;
        --local=*)      NXT_NODE_LOCAL="$value"                             ;;

        --help)
            cat << END

    --node=FILE        set node executable
    --npm=FILE         set npm executable
    --node-gyp=FILE    set node-gyp executable
    --local=DIRECTORY  set directory path for local installation

END
            exit 0
        ;;

        *)
            echo
            echo $0: error: invalid Node option \"$nxt_option\"
            echo
            exit 1
        ;;

    esac

done


if [ ! -f $NXT_AUTOCONF_DATA ]; then
   echo
   echo Please run common $0 before configuring module \"$nxt_module\".
   echo
   exit 1
fi

. $NXT_AUTOCONF_DATA


NXT_NODE=${NXT_NODE=node}
NXT_NPM=${NXT_NPM=npm}
NXT_NODE_GYP=${NXT_NODE_GYP=node-gyp}
NXT_NODE_LOCAL=${NXT_NODE_LOCAL=}


$echo "configuring nodejs module"
$echo "configuring nodejs module..." >> $NXT_AUTOCONF_ERR

$echo -n "checking for node ..."
$echo "checking for node ..." >> $NXT_AUTOCONF_ERR

if /bin/sh -c "${NXT_NODE} -v" >> $NXT_AUTOCONF_ERR 2>&1; then
    $echo " found"

    NXT_NODE_VERSION="`${NXT_NODE} -v`"
    $echo " + node version ${NXT_NODE_VERSION}"

else
    $echo " not found"
    $echo
    $echo $0: error: no Node found.
    $echo
    exit 1;
fi


$echo -n "checking for npm ..."
$echo "checking for npm ..." >> $NXT_AUTOCONF_ERR

if /bin/sh -c "${NXT_NPM} -v" >> $NXT_AUTOCONF_ERR 2>&1; then
    $echo " found"

    NXT_NPM_VERSION="`${NXT_NPM} -v`"
    $echo " + npm version ${NXT_NPM_VERSION}"

else
    $echo " not found"
    $echo
    $echo $0: error: no npm found.
    $echo
    exit 1;
fi


$echo -n "checking for node-gyp ..."
$echo "checking for node-gyp ..." >> $NXT_AUTOCONF_ERR

if /bin/sh -c "${NXT_NODE_GYP} -v" >> $NXT_AUTOCONF_ERR 2>&1; then
    $echo " found"

    NXT_NODE_GYP_VERSION="`${NXT_NODE_GYP} -v`"
    $echo " + node-gyp version ${NXT_NODE_GYP_VERSION}"

else
    $echo " not found"
    $echo
    $echo $0: error: no node-gyp found.
    $echo
    exit 1;
fi

if grep ^$NXT_NODE: $NXT_MAKEFILE 2>&1 > /dev/null; then
    $echo
    $echo $0: error: duplicate \"$NXT_NODE\" package configured.
    $echo
    exit 1;
fi


NXT_NODE_TMP=${NXT_BUILD_DIR}/src/${NXT_NODE}/unit-http
NXT_NODE_TARBALL=${NXT_BUILD_DIR}/${NXT_NODE}-unit-http.tar.gz
NXT_NODE_VERSION_FILE=${NXT_NODE_TMP}/version.h
NXT_NODE_EXPORTS="export UNIT_SRC_PATH=${PWD}/src \
    && export UNIT_BUILD_PATH=${PWD}/${NXT_BUILD_DIR} \
    && export UNIT_LIB_STATIC_PATH=${PWD}/${NXT_BUILD_DIR}/libunit.a"

if [ -n "$NXT_NODE_LOCAL" ]; then
    NXT_NODE_INSTALL=local-install
else
    NXT_NODE_INSTALL=install
fi

cat << END >> $NXT_MAKEFILE

.PHONY: ${NXT_NODE}
.PHONY: ${NXT_NODE}-copy
.PHONY: ${NXT_NODE}-install
.PHONY: ${NXT_NODE}-uninstall
.PHONY: ${NXT_NODE}-local-check
.PHONY: ${NXT_NODE}-local-install
.PHONY: ${NXT_NODE}-build
.PHONY: ${NXT_NODE}-publish

NXT_UNIT_VERSION=\$(shell grep 'define NXT_VERSION' \
    src/nxt_main.h | sed -e 's/^.*"\(.*\)".*/\1/')

${NXT_NODE}: ${NXT_NODE}-copy $NXT_BUILD_DIR/$NXT_LIB_UNIT_STATIC
	${NXT_NODE_EXPORTS} && \\
	cd ${NXT_NODE_TMP} && ${NXT_NODE_GYP} configure build clean

${NXT_NODE}-copy: ${NXT_NODE_VERSION_FILE}
	mkdir -p ${NXT_BUILD_DIR}/src/
	cp -rp src/nodejs/* ${NXT_BUILD_DIR}/src/${NXT_NODE}

${NXT_NODE_VERSION_FILE}: src/nxt_main.h
	mkdir -p ${NXT_NODE_TMP}
	$echo -n '#define NXT_NODE_VERNUM ' > $NXT_NODE_VERSION_FILE
	grep 'define NXT_VERNUM' src/nxt_main.h \\
		| sed -e 's/[^0-9]//g' >> $NXT_NODE_VERSION_FILE

${NXT_NODE_TARBALL}: ${NXT_NODE}-copy
	sed -e 's/"version"\s*:.*/"version": "\$(NXT_UNIT_VERSION).0",/' \
		${NXT_NODE_TMP}/package.json > ${NXT_NODE_TMP}/package.json.tmp
	mv ${NXT_NODE_TMP}/package.json.tmp ${NXT_NODE_TMP}/package.json
	tar -zcvf ${NXT_NODE_TARBALL} -C ${NXT_NODE_TMP} .


install: ${NXT_NODE}-$NXT_NODE_INSTALL

${NXT_NODE}-install: ${NXT_NODE_TARBALL} \
    $NXT_BUILD_DIR/$NXT_LIB_UNIT_STATIC
	${NXT_NODE_EXPORTS} && \\
	${NXT_NPM} install -g --unsafe-perm ${PWD}/${NXT_NODE_TARBALL}

${NXT_NODE}-uninstall:
	${NXT_NPM} uninstall -g unit-http

${NXT_NODE}-local-check:
	@test -n "\$(DESTDIR)$NXT_NODE_LOCAL" \\
	|| (echo; \\
	    echo "error: to make ${NXT_NODE}-local-install you need either"; \\
	    echo "    to configure --local option"; \\
	    echo "    or to set DESTDIR environment variable."; \\
	    echo; \\
	    exit 1)

${NXT_NODE}-local-install: ${NXT_NODE_TARBALL} ${NXT_NODE}-local-check \
    $NXT_BUILD_DIR/$NXT_LIB_UNIT_STATIC
	${NXT_NODE_EXPORTS} && \\
	mkdir -p \$(DESTDIR)${NXT_NODE_LOCAL} && \\
	cd \$(DESTDIR)${NXT_NODE_LOCAL} && \\
	${NXT_NPM} install ${PWD}/${NXT_NODE_TARBALL}


${NXT_NODE}-build: ${NXT_NODE}

${NXT_NODE}-publish: ${NXT_NODE}
	cd ${NXT_NODE_TMP} && ${NXT_NPM} publish

END