#!/usr/bin/env bash
#
# Despite its shameful hackiness, checked in for posterity.
# It'll live on forever in the git history; then I can remove it.

# set -e
shopt -s nullglob

cd $(dirname $0)/../test

rename_pattern='^.*/bug[0-9]+.*?(\.scala)?$'

targets ()
{
  ls -d pending/*/* disabled/*/* | egrep "$rename_pattern"
}

showRun ()
{
  echo "$@"
  "$@"
}

for path in $(targets); do
  if [[ -f "$path" ]]; then
    # echo "$path"
    dir=$(dirname "$path")
    file=$(basename "$path")
    base=${file%%.scala}
    num=${base##bug}

    (cd "$dir" && 
      for file in ${base}.*; do
        ext=${file##*.}
        newname="t${num}.${ext}"
        
        if [[ -e "$newname" ]]; then
          echo "Hey, $newname already exists."
        else
          showRun perl -pi -e "'s/bug$num\b/t$num/g;'" "$file"
          showRun mv "$file" "$newname"
        fi
      done
    )
  fi
  
  if [[ -d "$path" ]]; then
    dir=$(dirname "$path")
    file=$(basename "$path")
    base="$file"
    num=${base##bug}
    
    (cd "$dir" &&
      for file in $file ${file}.*; do
        ext=${file##*.}
        if [[ "$ext" != "$file" ]]; then
          newname="t${num}.${ext}"
        else
          newname="t${num}"
          for file0 in ${file}/*; do
            showRun perl -pi -e "'s/bug$num\b/t$num/g;'" "$file0"
          done
        fi
        
        if [[ -e "$newname" ]]; then
          echo "Hey, $newname already exists."
        else
          if [[ -f "$file" ]]; then
            showRun perl -pi -e "'s/bug$num\b/t$num/g;'" "$file"
          fi
          showRun mv "$file" "$newname"
        fi
      done
    )
    
  fi

done
# 
# for d in files/*/*; do
#   [[ -d "$d" ]] && do_dir "$d"
# done