#!/bin/bash

PORT=9001
THEME=

# cd to app root
CWD=$(dirname $0)
if [[ `basename $(pwd)` = 'scripts' ]]; then
  cd ../
else
  cd `dirname $CWD`
fi

print_help()
{
  cat 1>&2 <<EOF
Usage:

[-p PORT] [-t]

-p PORT - Port to listen on
-t DIR  - Use DIR to for the theme, to devlop the theme at the same time

EOF
}

echoerr()
{
  printf "%s\n" "$*" >&2;
}

absolute() {
# $1 : relative filename
  echo "$(cd "$(dirname "$1")" && pwd)/$(basename "$1")"
}


while getopts ":p:t:" opt;do
  case $opt in
  p)
    PORT="${OPTARG}"
    ;;
  t)
    THEME="${OPTARG}"
    ;;
  \?)
    echoerr "Invalid arguemnts"
    print_help
    exit 1
    ;;
  :)
    echoerr "Option -${OPTARG} requires an argument."
    print_help
    exit 1
    ;;
  esac
done

THEMEVOLUME=""
echo "Starting server on http://localhost:${PORT}"
if [[ "$THEME" ]]; then
  echo "Using theme from ${THEME}"
  ABSOLUTE=$(absolute $THEME)
  THEMEVOLUME="-v ${ABSOLUTE}:/run/node_modules/rancher-website-theme"
fi

docker run --rm -p ${PORT}:${PORT} -it -v $(pwd):/site ${THEMEVOLUME} rancher/docs:dev dev --port=${PORT}