# Copyright (C) Andrew Clayton
# Copyright (C) F5, Inc.


NXT_WCM_MODULE=wasm-wasi-component
NXT_WCM_MOD_NAME=`echo $NXT_WCM_MODULE | tr '-' '_'`.unit.so


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

        --help)
            cat << END

END
            exit 0
        ;;

        *)
            echo
            echo $0: error: invalid $NXT_WCM_MODULE option \"$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_WCM_WASM_TOOLS_BIN=${NXT_WCM_WASM_TOOLS_BIN=}


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

$echo -n "looking for rust compiler ... "

if [ -z `which rustc 2>/dev/null` ]; then
    $echo "not found."
    exit 1;
fi

$echo "found."

$echo -n "looking for cargo ... "

if [ -z `which cargo 2>/dev/null` ]; then
    $echo "not found."
    exit 1;
fi

$echo "found."


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


$echo " + $NXT_WCM_MODULE module: $NXT_WCM_MOD_NAME"


NXT_OS=$(uname -o)

if [ $NXT_OS = "Darwin" ]; then
	NXT_CARGO_CMD="cargo rustc --release --manifest-path src/wasm-wasi-component/Cargo.toml -- --emit link=target/release/libwasm_wasi_component.so -C link-args='-undefined dynamic_lookup'"
else
	NXT_CARGO_CMD="cargo build --release --manifest-path src/wasm-wasi-component/Cargo.toml"
fi


cat << END >> $NXT_MAKEFILE

.PHONY: ${NXT_WCM_MODULE}
.PHONY: ${NXT_WCM_MODULE}-install
.PHONY: ${NXT_WCM_MODULE}-uninstall

all: ${NXT_WCM_MODULE}

${NXT_WCM_MODULE}:  $NXT_BUILD_DIR/lib/unit/modules/$NXT_WCM_MOD_NAME

$NXT_BUILD_DIR/lib/unit/modules/$NXT_WCM_MOD_NAME:
	make build/src/nxt_unit.o
	$NXT_CARGO_CMD

install: ${NXT_WCM_MODULE}-install

${NXT_WCM_MODULE}-install: ${NXT_WCM_MODULE} install-check
	install -d \$(DESTDIR)$NXT_MODULESDIR
	install -p src/wasm-wasi-component/target/release/libwasm_wasi_component.so \\
		\$(DESTDIR)$NXT_MODULESDIR/$NXT_WCM_MOD_NAME

uninstall: ${NXT_WCM_MODULE}-uninstall

${NXT_WCM_MODULE}-uninstall:
	rm -f \$(DESTDIR)$NXT_MODULESDIR/$NXT_WCM_MOD_NAME
	@rmdir -p \$(DESTDIR)$NXT_MODULESDIR 2>/dev/null || true

END