#!/bin/bash
# depends on pandoc-citeproc, GNU getopts

showHelp () {
  cat << EOF
Usage: markdownacademic -bctih

-b,            --bibliography=<filename>         Set your BibTex file here
-c,            --citationstyle=<filename>        Set CSL style 
-t,            --template=<filename>             Set template file (.docx) 
-i,            --input=<filename>                Select markdown file as input
-h,            --help                            Display this help message

Unless specified, output file has the same name as the input file.
EOF
}

SHORT=b:c:t:i:o::h
LONG=bibliography:,citationstyle:,template:,input:,output,help
# read the options
OPTS=$(getopt --options $SHORT --long $LONG --name "$0" -- "$@")

if [ $? != 0 ] ; then echo "Failed to parse options...exiting." >&2 ; exit 1 ; fi

eval set -- "$OPTS"

# extract options and their arguments into variables.
while true ; do
  case "$1" in
    -b | --bibliography )
      BIBLIOGRAPHY="$2"
      shift 2
      ;;
    -c | --citationstyle )
      CITATIONSTYLE="$2"
      shift 2
      ;;
    -t | template )
      TEMPLATE="$2"
      shift 2
      ;;
    -i | input )
      FILE="$2"
      shift 2
      ;;
    -h | help )
      showHelp
      exit 0
      ;;
    --) shift ; break;; 
    *) if [-z "$1" ]; then break; else showHelp ; exit 0; fi;;
  esac
done

# Print the variables
#echo $BIBLIOGRAPHY
#echo $CITATIONSTYLE
#echo $TEMPLATE
#echo $FILE

pandoc --verbose -s --filter=/usr/bin/pandoc-citeproc --bibliography="$BIBLIOGRAPHY" --csl=$CITATIONSTYLE --reference-doc="$TEMPLATE" -f markdown -t docx --output="$(basename "$FILE" .md).docx" "$FILE"
echo -e ""
echo -e "\e[0;32mSuccess!\e[0m Output file is \e[0;33m$(basename "$FILE" .md).docx\e[0m"
echo -e ""