doctor

#!/usr/bin/env bash
# Home: https://github.com/bridgesense/pandoc-doctor
# The purpose of the Pandoc Doctor is to take Common Markdown and make 
# it beautiful using Pandoc and little to no technical prowess.
#
# # # # # # # # # # # # # # # # # # # # # #

# # Options
# # # # # # # # # # # # # # # # # # # # # #
action="${1:-help}"
directory="${2}"
format="${3}"

OUTPUT_FILENAME=book
METADATA="${directory}/metadata.yaml"
FRONT_MATTER="${directory}/front-matter.tex"
CHAPTERS="${directory}/*.md"
TOC="--toc --toc-depth 2"
COVER_IMAGE="${directory}/images/cover.png"
METADATA_ARGS="--metadata-file ${METADATA}"
MATH_FORMULAS="--webtex"

CONTENT="awk 'FNR==1 && NR!=1 {print \"\\n\\n\"}{print}' ${CHAPTERS}"
CONTENT_FILTERS=tee # Use this to add sed filters or other piped commands

# Debugging
# DEBUG_ARGS="--verbose"
DEBUG_ARGS=""

# Pandoc filtes - uncomment the following variable to enable cross references filter. For more
# information, check the "Cross references" section on the README.md file.
# FILTER_ARGS="--filter pandoc-crossref
FILTER_ARGS=""

ARGS="${TOC} ${MATH_FORMULAS} ${METADATA_ARGS} ${FILTER_ARGS} ${DEBUG_ARGS}"
PANDOC_COMMAND="pandoc"

MANUSCRIPT_ARGS="--standalone --reference-doc templates/shunn-short.docx"
EPUB_ARGS="--template templates/epub.html --epub-cover-image ${COVER_IMAGE}"
PDF_ARGS="--include-in-header ${FRONT_MATTER} --template templates/pdf.latex --filter pandoc-latex-extensions --pdf-engine xelatex"

# # Check for Pandoc 
# # # # # # # # # # # # # # # # # # # # # #
if ! [ -x "$(command -v pandoc)" ]; then
  echo 'Error: pandoc is not installed.' >&2
  exit 1
fi
if ! [ -x "$(command -v pandoc-latex-extensions)" ]; then
  echo 'Error: pandoc-latex-extensions is not installed. Please see README.md.' >&2
  exit 1
fi

# # Create Project
# # # # # # # # # # # # # # # # # # # # # #
if [ "$action" == "create" ]; then
  echo "Creating project in $directory"
  # check if dir exists 
  if [ ! -d $directory ]; then 
    mkdir -p $directory
  fi 
  if [ !  -f ${METADATA} ]; then  
    cp -r templates/novel/* $directory
    mkdir -p $directory/images
  else
    echo "Error: A novel project already exists at $directory."
    exit 1
  fi
  exit 0
fi

# # Convert Project
# # # # # # # # # # # # # # # # # # # # # #
if [ "$action" == "convert" ]; then
  if [ ! -f ${METADATA} ]; then
    echo "Error: No project found at $directory."
    exit 1
  fi
  if [ ! $format ]; then
    echo "Error: No output format specified."
    exit 1
  fi
  echo "Converting project in $directory"
  if [ "$format" == "pdf" ]; then
    if [ ! -d $directory/publications/${format} ]; then 
      mkdir -p $directory/publications/${format}
    fi
    echo "Building the ${format} file"
    ${PANDOC_COMMAND} ${CHAPTERS} ${ARGS} --metadata subtitle='' --metadata author='' ${PDF_ARGS} -o ${directory}/publications/${format}/${OUTPUT_FILENAME}.${format}
  elif [ "$format" == "epub" ]; then
    if [ ! -d $directory/publications/${format} ]; then 
      mkdir -p $directory/publications/${format}
    fi
    echo "Building the ${format} file"
    ${PANDOC_COMMAND} ${CHAPTERS} ${ARGS} --metadata css='templates/style.css' ${EPUB_ARGS} -o ${directory}/publications/${format}/${OUTPUT_FILENAME}.${format}
  elif [ "$format" == "manuscript" ]; then
      if [ ! -d $directory/publications/${format} ]; then 
        mkdir -p $directory/publications/${format}
      fi
      echo "Building the ${format} file"
      ${PANDOC_COMMAND} ${CHAPTERS} ${ARGS} ${MANUSCRIPT_ARGS} -o ${directory}/publications/${format}/${OUTPUT_FILENAME}.docx
  else
    echo "Error: The only output formats available are pdf, epub, and manuscript." 
    exit 1
  fi
  exit 0
fi 


# # Help 
# # # # # # # # # # # # # # # # # # # # # #
echo "Usage: doctor [action] [directory] [format]"
echo "  action: create, build, help"
echo " "
echo "To Create a New Project:"
echo "  doctor create <directory> <format>"
echo "  Available Book formats: novel_5.5x8.5, novel_6x9"
echo " "
echo "To Build an Existing Project"
echo "  doctor convert <directory> <output>"
echo "  Available output: pdf, epub, html, docx"
echo " "
exit 0