assist

#!/usr/bin/env bash
set -euo pipefail
IFS=$'\n\t'

HERE=`dirname $0`
LUAJIT="$HERE/deps/luajit-bin/luajit"

do_help () {
    echo "Usage: assist <verb>"
    echo "Verbs:"
    echo "    fetch"
    echo "        Download the version of dependencies indicated in lockfiles"
    echo "    upgrade"
    echo "        Figures out what the latest version of all dependencies is, upgrades"
    echo "        the lockfiles, and then does a fetch of them."
    echo "    run <url>"
    echo "        Runs your alloapp and connects it to <url>"
    echo "    serve"
    echo "        allows users to launch your app into places over a HTTP gateway."
    echo "        Read more at https://docs.alloverse.com/hosting"
    exit
}

do_upgrade () {
    echo "Upgrading allonet..."
    mkdir -p "$HERE/lib"
    $LUAJIT "$HERE/assist.lua" "$HERE" upgrade "${1-}"
}

do_fetch () {
    echo "Fetching allonet..."
    mkdir -p "$HERE/lib"
    $LUAJIT "$HERE/assist.lua" "$HERE" fetch
}

do_run () {
    $LUAJIT "$HERE/deps/alloui/lua/alloui/app_boot.lua" "$HERE/.." $*
}

do_serve () {
    python3 "$HERE/serve.py" $*
}

if [ "$#" -lt 1 ]; then
    do_help
    exit
fi

case $1 in
    upgrade )
        do_upgrade ${2-}
    ;;
    fetch )
        do_fetch
    ;;
    serve )
        do_serve ${2-}
    ;;
    run )
        if [ "$#" -lt 2 ]; then
            do_help
            exit
        fi
        do_run "${@:2}"
    ;;
    * )
        do_help
    ;;
esac