#!/usr/bin/env bash

root="$PWD"

folder="Budget"
folder_lower="budget"
folder_html="html_${folder_lower}"
folder_pdf="pdf_${folder_lower}"

function build_html() {
  # used to match **
  shopt -s globstar

  # cleanup the last run (if there was one)
  rm -rf "$folder_html"
  mkdir "$folder_html"

  cd Committee

  root_html="$PWD"

	# loop through each year worth of data
	# the globbing is to only get ones that have a handover folder
	for year in **/$folder; do
    # skip symlinks
    [ -L "''${year%/}" ] && continue

    if ! [[ $year =~ [0-9]{4}-[0-9]{4} ]]; then
      continue
    fi

    year_string=$(echo "$year" | cut -f1 -d"/")

    cd "$year_string"

    # copy in teh config for this folder
    cp "../../_scripts/md_toml/_${folder}.md.toml" ./.md.toml

    # convert teh handovers
    cargo-bfom

    # copy in teh relevent files
    cp -R ../_Templates/$folder/* "./$folder_html"
    # no need to have the template in the output
    rm -f ./$folder_html/_template.md
    rm -f ./$folder_html/general.html
    rm -f .md.toml

    # make the final folder
    mkdir -p "$root/$folder_html/${folder_html}"

    # copy everything to teh final folder
    cp -R ./$folder_html/* "$root/${folder_html}$year_string"

    # remove teh temp folder
    rm -rf "./$folder_html"

    # return to root
    cd "$root_html"
	done

	# undo the globbing
	shopt -u globstar


  # back to root
  cd $root
}


function build_pdf() {
	# used to match **
	shopt -s globstar

	# wipe and reset past runs
  rm -rf "$folder_pdf"
  mkdir "$folder_pdf"

	cd "$folder_html"

	for file in **/*.html; do
		# only deal with files
		if [ -f "$file" ]; then

			# .html => .pdf
			output="../$folder_pdf/${file/.html/".pdf"}"

			echo $output

			# have someplace for it to go
			mkdir -p $(dirname $output)

			wkhtmltopdf -q --enable-local-file-access --no-stop-slow-scripts "$file" "$output" 2>>../errors.log &
		fi
	done

	shopt -u globstar
	cd $root

	# wait for background tasks to complete
	wait $(jobs -p)
}

if [[ $1 == "html" ]]; then
	build_html
else
	build_html
	build_pdf
fi