#!/bin/bash
# Create a letter

# Configuration
template=~/documents/letter_template.tex
dir=~/documents/`date +%Y`
texdir=$dir/tex
editor=/usr/bin/vim
reader=/usr/bin/mupdf

function mkpdf () {
  pdflatex -shell-escape $1.tex
  EXT=(aux log)
  for i in ${EXT[*]}
  do
rm -v $1.$i
  done
}

# Preparation
mkdir -p $dir
mkdir -p $texdir

named=0
while [ $named -eq 0 ]
do
read -p "Enter document name: " REPLY
  docname=`echo $REPLY | sed 's/\ /_/g'`
  docdate="`date +%Y-%m-%d`"
  doc=$dir/${docdate}_${docname}
  tex=$dir/${docdate}_${docname}.tex
  pdf=$dir/${docdate}_${docname}.pdf
  if [ -e $pdf ]
  then
read -p "Document already exists. Overwrite? (y/N) " REPLY
    [ "$REPLY" == "y" ] || continue
fi

read -p "Create document \"$pdf\"? (Y/n) " REPLY
  [ "$REPLY" == "y" -o x"$REPLY" == x ] && named=1
done

cd $dir
cp $template $tex

$editor $tex
mkpdf $doc
$reader $pdf

finished=0
while [ $finished -eq 0 ]
do
read -p "Finished editing? (Y/n) " REPLY
  if [ "$REPLY" == "y" -o x"$REPLY" == x ]
  then
finished=1
  else
    $editor $tex
    mkpdf $doc
    $reader $pdf
  fi
done

read -p "Keep a copy of the .tex file? (Y/n) " REPLY
if [ "$REPLY" == "y" -o x"$REPLY" == x ]
then
mv $tex $texdir
else
rm $tex
fi