#!/bin/bash

args=""
nw=false

# check if emacsclient is already running
if pgrep -U $(id -u) emacsclient > /dev/null; then running=true; fi

# check if the user wants TUI mode
for arg in "$@"; do
    if [ "$arg" = "-nw" ] || [ "$arg" = "-t" ] || [ "$arg" = "--tty" ]
    then
        nw=true
    fi
done

# if called without arguments - open a new gui instance
    if [ "$#" -eq "0" ] || [ "$running" != true ]; then
        args=(-c $args)                 # open emacsclient in a new window
    fi
    if [ "$#" -gt "0" ]; then
        # if 'Vemacsclient -' open standard input (e.g. pipe)
        if [[ "$1" == "-" ]]; then
            TMP="$(mktemp /tmp/emacsstdin-XXX)"
            cat >$TMP
            args=($args --eval '(let ((b (generate-new-buffer "*stdin*"))) (switch-to-buffer b) (insert-file-contents "'${TMP}'") (delete-file "'${TMP}'"))')

        # If called as protocol syntax of call is emacsclient:///path/to/myfile+line
        elif [[ "$1" == emacsclient:* ]]; then
            args=($args --eval '(let ((protocall (split-string (substring "'$1'" 12) "+")))
                                      (find-file (nth 0 protocall))          
                                       (when (nth 1 protocall)
                                       (goto-char (point-min))
                                       (forward-line (string-to-number (nth 1 protocall)))))')

        else
            args=($@ $args) 
        fi
    fi

    # emacsclient $args
    if $nw; then
        emacsclient "${args[@]}"
    else
        echo ${args[@]} >> /tmp/ecargs
        (nohup emacsclient "${args[@]}" > /dev/null 2>&1 &) > /dev/null
    fi