#!/usr/bin/env bash

set -x

USER_DIR=/home/user

GLUON_DIR=$USER_DIR/gluon

SITE_DIR=$USER_DIR/Firmware-building/site_config

EXPERIMENTAL_SITE=$SITE_DIR/experimental/site

BETA_SITE=$SITE_DIR/beta/site

STABLE_SITE=$SITE_DIR/stable/site

# $1: site directory

set_site_directory() {

    pushd "$GLUON_DIR"

    # if site file exists, remove it

    if [ -a site ]; then

        unlink site

    fi

    ln -s "$1"

    popd

}

build() {

    pushd "$GLUON_DIR"

    for TARGET in $(make list-targets); do

        make -j16 GLUON_TARGET="$TARGET"

    done

    popd

}

# $1: autoupdater branch

move_output_images() {

    pushd "$GLUON_DIR"

    mv output/images "output-images-$1"

    popd

}

#unset multiple env vars

unset BUILD_EXPERIMENTAL BUILD_BETA BUILD_STABLE

case $1 in

    exp)

        BUILD_EXPERIMENTAL=1

        ;;

    beta)

        BUILD_BETA=1

        ;;

    stable)

        BUILD_STABLE=1

        ;;

    all)

        BUILD_EXPERIMENTAL=1

        BUILD_BETA=1

        BUILD_STABLE=1

        ;;

    *)

        echo "fflux firmware building script"

        echo "Usage: build.sh <all|exp|beta|stable>"

        exit 1

        ;;

esac

pushd $GLUON_DIR

if [ -d $GLUON_DIR/output/images ]; then

    echo "Error: output images directory contains images. Please remove them before building."

    echo "Delete 'gluon/output/images' directory and try again."

    exit 1

fi

if [ -n "$BUILD_EXPERIMENTAL" ]; then

    set_site_directory $EXPERIMENTAL_SITE

    build

    move_output_images experimental

fi

if [ -n "$BUILD_BETA" ]; then

    set_site_directory $BETA_SITE

    build

    move_output_images beta

fi

if [ -n "$BUILD_STABLE" ]; then

    set_site_directory $STABLE_SITE

    build

    move_output_images stable

fi

popd