#!/bin/bash
#Released under GNU General Public License version 3, see the file COPYING for details.
progname=$0
let rc=0
o=`getopt -n$progname -o"r:R:mb" -- "$@"`||let rc=$?
if test $rc -ne 0
then echo "usage: $0 [-r<show-only string>] [-R<hide string>] [-m] [-b] [<command>]"
     exit $rc
     fi
     
eval set -- "$o"
restrict=""
hide=""
searchmime=""
bookmark=""


while test "$1" != "--";do

if test "$1" = '-r'
  then 
  restrict="$2"
  shift 2
  elif test "$1" = '-m'
  then 
  searchmime="y"
  shift 1
  elif test "$1" = '-b'
  then 
  bookmark="y"
  shift 1
  elif test "$1" = "-R"
    then hide="$2"
    shift 2
    fi
done  
shift 1
test -n "$restrict"&&echo "only showing entries with $restrict"
test -n "$hide"&&echo "hiding entries with $hide"

runme='enter'
runwithdir='right'
#runwithdir is the right arrow
down='down'
up='up'
quit='q'
search='/'
findnext='n'
findprev='N'
back='left'
create='c'
#create is c
createdir='C'
info='i'
move='m'
view='v'
edit='e'
print='p'
home_dir='home'
tty=`getterm`
test ! -d $HOME/.kies&&mkdir $HOME/.kies

let parms=$#
command=$1
let vlak=50
movesource=""


function getlist()
{
ls | sort > $HOME/.kies/"$tty"pick.txt
einde=`wc -l $HOME/.kies/"$tty"pick.txt|cut -f1 -d' '`
if (test $einde -eq 0)
 then echo -n $PWD" is empty"
 let einde=1
fi
plek=1
wag='b'
let passings=0
let next=1
}
function move_data()
{
if test -z "$movesource"
	then movesource="$PWD/$lyn"
	echo "moving $movesource"
		let plek=$plek-1
		return
	fi
	movetarget="$PWD/`basename $movesource`"
	read -e -p"moving $movesource to " -i "$movetarget" movetarget
	read -e -p"continue with the move? y/n " -i"y" go_on
	if test "$go_on" = "y"
	then mv "$movesource" "$movetarget"&&\
	echo "moved $movesource"||echo "move failed"
	movesource=""
	getlist
	else echo "move canceled"
fi

}	
function read_bookmark() {
if (test -e "$HOME"/.kies/."$tty"bookmark)
then
ouplek=`cut -f1 -d: "$HOME"/.kies/."$tty"bookmark`
oufile=`cut -f2 -d: "$HOME"/.kies/."$tty"bookmark`
oudir=`dirname "$oufile"`
if test -e "$oudir"
then cd "$oudir"
	getlist
	let plek=$ouplek
	test $plek -gt $einde&&let plek=$einde
else echo "cannot change to bookmark: $oudir, reverting to $HOME"
	cd "$HOME"
	getlist
fi
fi

}
function activate() {
if (test $parms -eq 0)
  then echo $PWD/$lyn > "$HOME"/.kies/."$tty"file
else $command "$lyn"
fi
#write bookmark
echo "$plek":$PWD/$lyn > "$HOME"/.kies/."$tty"bookmark
}



getlist
if (test "$bookmark" = "y")
	then read_bookmark
fi
shown=0
while (test $plek -le $einde);do
lyn=`sed -n "$plek"p $HOME/.kies/"$tty"pick.txt`
if test "$searchmime" = "y"
 then
  wysdit=`file -Ni "$lyn"|cut -f2 -d' '|grep -c -i "$restrict"`
else 
   wysdit=`echo "$lyn"|grep -c -i "$restrict"`
   fi
#echo "wysdit/$wysdit/ restricted /$restrict/ lyn /$lyn/"
if test $wysdit -eq 1 -o -d "$lyn"
 then echo -n "$lyn " 
 test -d "$lyn"&&echo -n " directory "
 	wag=`catchkey`
 		shown=1
fi
 


clear
if (test "$wag" = "$quit")
then exit 3
fi

if (test "$wag" = "$create")
  then read -p"new name? " lyn
          activate 
                  exit
                  fi
if (test "$wag" = "$createdir")
  then read -p"new directory name? " dirname
          mkdir "$dirname"&&\
           getlist&&\
 let plek=`sed -n /$dirname/= $HOME/.kies/"$tty"pick.txt`-1&&echo "plek $plek"||echo "Could not create $dirname"
                  wag='z'
                  fi                  
if (test "$wag" = "$move")
	then move_data
fi
if (test "$wag" = "$up")
  then let plek=$plek-2
  test $plek -lt 0&&let plek=$einde-1
  fi

if (test "$wag" = "$findnext")
then 
    if (test $passings -gt 0)
        then  
let next=$next+1
 if (test $next -gt $passings)
 then let next=1
 let plek=1
   echo -n "wrapping "
   fi
   gekry=`echo $ooral|cut -f$next -d' '`
    while(test $gekry -lt $plek -a $next -lt $passings);do
     let next=$next+1
     gekry=`echo $ooral|cut -f$next -d' '`
    done

    let plek=$gekry-1
wag='b'
  else wag=$search
  fi
fi

if (test "$wag" = "$findprev")
then 
    if (test $passings -gt 0)
        then  
let next=$next-1
 if (test $next -lt 1)
 then let next=$passings
   echo -n "wrapping "
   fi
   gekry=`echo $ooral|cut -f$next -d' '`
    let plek=$gekry-1
wag='b'
  else wag=$search
  fi
  
fi
  
if (test "$wag" = "$search")
then 
read -p "search for? " soek
wag='b'
ooral=`sed -n /$soek/= $HOME/.kies/"$tty"pick.txt`
passings=`echo $ooral|wc -w`
if (test $passings -gt 0)
    then gekry=`echo $ooral|cut -f$next -d' '`
    while(test $gekry -lt $plek -a $next -lt $passings);do
     let next=$next+1
     gekry=`echo $ooral|cut -f$next -d' '`
    done

    let plek=$gekry-1
else echo "$soek not found"
    let plek=$plek-1
    fi
fi
    
if (test "$wag" = "$info")
then file "$lyn"
  let plek=$plek-1
 wag="z"
 fi

if (test "$wag" = "$view")
then see "$lyn"
  let plek=$plek-1
 wag="z"
 fi

 if (test "$wag" = 'w')
then echo "you are in: $PWD"
 let plek=$plek-1
 wag="z"
 fi
 if (test "$wag" = "$home_dir")
  then cd "$HOME"
  echo "Returning to home directory"
  getlist
  let plek=$plek-1
 wag="z"
 fi
 if (test "$wag" = 'h')
then echo "help keys"
 wag="z"
 fi
 if (test "$wag" = "$runwithdir")
   then activate
     exit
     fi
     
 if (test "$wag" = "$runme")
 then if (test ! -d "$lyn")
 then activate
 exit
 else echo $lyn is a directory
   let houplek[$vlak]=$plek
cd "$lyn"
let vlak=$vlak+1
shown=0
getlist
let plek=0 
 fi
fi
if (test "$wag" = "$back")
 then cd ..
   let vlak=$vlak-1
   getlist
    let  plek=${houplek[$vlak]}-1
   test $plek -lt 1&&let plek=0
   
   fi
   
if test $plek -eq $einde
then let plek=0
	if test $shown -eq 0
			then echo -n "no entries with $restrict in this directory"
			wag=`catchkey`
		fi
	fi
	

let plek=$plek+1
done