#!/bin/sh

PROGRAM=$(basename $0)

MAKESHOME=~/.makesh
DOITSHOME=~/.doitsh

PWD_underscore=$(echo $PWD|tr '/' '_')


display_help()
{
  case "$PROGRAM" in
    doitsh )
      cat << EOF
ABOUT

  $PROGRAM is a small and nifty tool to execute commands
  in the current directory

USAGE
  
  $PROGRAM [action] [options]

ACTIONS

  help | h
  delete | remove | rm
  add | a
  show | s
  edit | e

AUTHORS  

  han
  mathias gumz

EOF
      ;;

    makesh )
      cat << EOF
ABOUT

  $PROGRAM is a small and nifty tool to handle makefile for
  the current directory

USAGE
  
  $PROGRAM [action] [options]

ACTIONS

  help | h
  show | s
  edit | e
  import | i       imports an existing makefile from the current dir

AUTHORS  

  mathias gumz

EOF
      ;;
  esac
}

create_doitshome()
{
  if [ ! -d $DOITSHOME ]; then
    mkdir $DOITSHOME
  fi

  if [ ! -f $DOITSHOME/$PWD_underscore ]; then
    touch $DOITSHOME/$PWD_underscore
  fi
}

create_makeshome()
{
  if [ ! -d $MAKESHOME ]; then
    mkdir $MAKESHOME
  fi

  if [ ! -f $MAKESHOME/Makefile.$PWD_underscore ]; then
    touch $MAKESHOME/Makefile.$PWD_underscore
  fi
}






case "$PROGRAM" in

  doitsh )
    case $1 in
      
      rm | d | remove | delete )
          echo 'removing the doitsh for this dir'
          create_doitshome
          rm -f $DOITSHOME/$PWD_underscore
          ;;
          
      e | edit )
          create_doitshome
          $EDITOR $DOITSHOME/$PWD_underscore
          ;;
          
      s | show )
          create_doitshome
          if [ -e $DOITSHOME/$PWD_underscore ]; then
            cat $DOITSHOME/$PWD_underscore
          else
            echo "sorry, no doitsh for [ $PWD ] available."
          fi
          ;;
          
      a | add )
          create_doitshome
          shift
          echo "$@" >> $DOITSHOME/$PWD_underscore
          ;;
          
      re | replace )
          create_doitshome
          shift
          echo "$@" > $DOITSHOME/$PWD_underscore
          ;;
          
      -h | --help | h | help )
          display_help 
          exit 0
          ;;
          
      *)
          create_doitshome
          if [ -e $DOITSHOME/$PWD_underscore ]; then
            source $DOITSHOME/$PWD_underscore $@
            [ $? -eq 0 ] && echo 'Hurray! :D'
          else
            echo 'What do you want to do in this dir? ;)'
          fi
          ;;
    esac
    ;;

  makesh )
      case "$1" in 

        -h | --help | h | help )
          display_help
          exit 0
          ;;

        -e | --edit | e | edit )
          create_makeshome
          $EDITOR $MAKESHOME/Makefile.$PWD_underscore
          exit 0
          ;;

        -r | --remove | rm | remove )
          rm -f $MAKESHOME/Makefile.$PWD_underscore
          exit 0
          ;;

        -s | --show | s | show )
          create_makeshome
          [ ! -e $MAKESHOME/Makefile.$PWD_underscore ] && echo "no makesh-Makefile for [ $PWD ], exit" && exit 0
          cat $MAKESHOME/Makefile.$PWD_underscore  
          ;;

        -i | --import | i | import )
          [ -z "$2" ] && echo "missing Makefile to import, exit" && exit 1
          [ -f $MAKESHOME/Makefile.$PWD_underscore ] && echo "existing makesh-Makefile for [ $PWD ], remove it first." && exit 1
          cp -v "$2" $MAKESHOME/Makefile.$PWD_underscore
          echo "successfully imported"
          exit 0
          ;;

        * )
          if [ ! -e $MAKESHOME/Makefile.$PWD_underscore ]; then
            echo "no Makefile for [ $PWD ] .. exit"
            exit 0
          else
            gmake -f $MAKESHOME/Makefile.$PWD_underscore $@
          fi
          ;;
      esac
    ;;
esac
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