#!/bin/bash

level=$1
export SCOWL_LEVEL=$1

rm -f words.$level*

shopt -s nullglob

max_level=`src/get-level max`

get-list() {
  res=`src/get-all-below $level $1`
  if [ -n "$res" -a -d debug ]; then
    cat $res | src/filter | sort -u > debug/$level.l.$1
  fi
  echo $res
}

cap() {
  dsr=$1
  shift
  if [ -d debug ]; then
    cat | sort -u > debug/$level.$dsr.in
    cat debug/$level.$dsr.in | "$@" | sort -u > debug/$level.$dsr.out
    comm -23 debug/$level.$dsr.out debug/$level.$dsr.in > debug/$level.+.$dsr
    cat debug/$level.$dsr.out
    rm debug/$level.$dsr.out debug/$level.$dsr.in
  else
    "$@"
  fi
}

if [ $level -ne $max_level ]
then

  supplement=`get-list supplement`  
  add_affixes="`get-list add-affixes`"
  add_possessive="`get-list add-possessive`"

  if [ -d debug -a -d l/include/$level ]; then
    cat l/include/$level/* | sort -u | comm -12  - working/words.`src/get-level next $level` > debug/$level.l.include
  fi

  cat $supplement $add_affixes $add_possessive l/include/$level/* \
    | src/filter                                              \
    > working/words.$level.tmp
  cp working/words.$level.tmp working/words.$level.tmp.0

  if [ -n "$add_affixes" ] && [ $level -le `cat l/add-affixes/max-level` ]
  then
    #echo "Adding affixes"
    cat $add_affixes | src/filter | cap affixes src/add-affixes >> working/words.$level.tmp
  fi

  if [ $level -lt 80 ]
  then
    if [ -n "$add_possessive" ]
    then
      #echo "Adding possessive"
      cat $add_possessive | src/filter | cap possessive src/add-affixes just-possessive >> working/words.$level.tmp
    fi
  else
    #echo "Adding possessive"
    cat working/words.$level.tmp                       \
      | cap possessive src/add-affixes use-some just-possessive   \
      > working/words.$level.tmp2
    mv working/words.$level.tmp2 working/words.$level.tmp
  fi

  echo -n '' > working/exclude.$level
  for l in `cat l/levels-list`; do
    if [ $l -ge $level -a -e r/special/exclude.$l ]; then
        cat r/special/exclude.$l >> working/exclude.$level
    fi
  done
  sort -u working/exclude.$level -o working/exclude.$level

  cat working/words.$level.tmp    \
    | cap other-spellings-1 src/add-other-spellings \
    | cap other-forms       src/add-other-forms     \
    | cap other-spellings-2 src/add-other-spellings \
    | sort -u                 \
    | comm -23  - working/exclude.$level \
    | comm -12  - working/words.`src/get-level next $level` \
    > working/words.$level

  #rm working/words.$level.tmp

else

  if [ -d debug/ ]; then
    cp working/all.lst debug/$level.everything
  fi

  cat working/all.lst           \
    | cap possessive src/add-affixes use-all just-possessive \
    | cap other-spellings src/add-other-spellings   \
    | sort -u                   \
    > working/words.$level

fi