#!/usr/bin/env bash
#
# mfdoc
#
# Start Jekyll in watch mode to work on Marlin Documentation and preview locally
#

[[ $# == 0 ]] || { echo "Usage: `basename $0`" 1>&2 ; exit 1; }

MFINFO=$(mfinfo "$@") || exit 1
IFS=' ' read -a INFO <<< "$MFINFO"
ORG=${INFO[0]}
REPO=${INFO[2]}
BRANCH=${INFO[5]}

[[ $ORG == "MarlinFirmware" && $REPO == "MarlinDocumentation" ]] || { echo "Wrong repository." 1>&2; exit 1; }

opensite() {
  URL="http://127.0.0.1:4000/"
  OPEN=$(echo $(which gnome-open xdg-open open) | awk '{ print $1 }')
  if [ -z "$OPEN" ]; then
    echo "Can't find a tool to open the URL:"
    echo $URL
  else
    echo "Opening preview site in the browser..."
    "$OPEN" "$URL"
  fi
}

echo "Previewing MarlinDocumentation..."

bundle exec jekyll serve --watch --incremental | {
  while IFS= read -r line
  do
    [[ $line =~ "Server running" ]] && opensite
    echo "$line"
  done
}
