#!/bin/sh

# Based on emacs-boot.sh by Nic Ferrier, as found here:
# https://gist.github.com/nicferrier/5688473

NAME=scrumelo
CWD="$(cd $(dirname $0); pwd)"
EMACSBIN=/usr/bin/emacs
EMACSCLIENT="/usr/bin/emacsclient -s /tmp/emacs$UID/$NAME"
EMACSD="$XDG_CONFIG_HOME"/emacs."$NAME".d
[ -d "$EMACSD" ] || mkdir "$EMACSD"
[ -f "$EMACSD"/init.el ] || cat <<EOF > "$EMACSD"/init.el
(setq user-emacs-directory "$EMACSD")
(setq package-archives
      '(("gnu" . "http://elpa.gnu.org/packages/")
        ("marmalade" . "http://marmalade-repo.org/packages/")))
(package-initialize)
(package-refresh-contents)
(unless (package-installed-p 'elnode)
  (package-install 'elnode))
(unless (package-installed-p 'esxml)
  (package-install 'esxml))
EOF

function report() {
    if [ $? -eq 0 ]; then echo "$1"; else echo "$2"; fi
}

case "$1" in
    start)
        $EMACSBIN -Q --daemon=$NAME -l "$EMACSD"/init.el >/dev/null
        if [ $? -eq 0 ]; then
            $EMACSCLIENT -e "(load \"$CWD/scrumelo.el\")"
            report Done "Failed: couldn't start elnode"
        else
            echo "Failed: Couldn't start daemon"
        fi
        ;;
    status)
        $EMACSCLIENT -e "(ignore)" 2>/dev/null >/dev/null
        report Running... Stopped...
        ;;
    client)
        $EMACSCLIENT -c
        ;;
    install)
        shift
        $EMACSCLIENT -e "(package-install (quote $1))"
        ;;
    reload)
        $EMACSCLIENT -e "(load \"$CWD/scrumelo.el\")" >/dev/null
        report Done Failed
        ;;
    stop)
        $EMACSCLIENT -e "(kill-emacs)" 2>/dev/null >/dev/null
        report Done Failed
        ;;
    *)
        echo "Usage: $0 (start|status|client|reload|stop)"
        echo "Or:    $0 install <module>"
        exit 1
        ;;
esac