#!/usr/bin/env bash
#
# Sym command line completion
#
# © 2015-2016, Konstantin Gredeskoul,  https://github.com/kigster/sym
# MIT LICENSE
#
 [[ -z "$(type _filedir 2>/dev/null)" ]] && {
  _filedir ()
  {
      local i IFS='
  ' xspec;
      _tilde "$cur" || return 0;
      local -a toks;
      local quoted tmp;
      _quote_readline_by_ref "$cur" quoted;
      toks=(${toks[@]-} $(
          compgen -d -- "$cur" | {
              while read -r tmp; do
                  # TODO: I have removed a "[ -n $tmp ] &&" before 'printf ..',
                  #       and everything works again. If this bug suddenly
                  #       appears again (i.e. "cd /b<TAB>" becomes "cd /"),
                  #       remember to check for other similar conditionals (here
                  #       and _filedir_xspec()). --David
                  printf '%s\n' $tmp
              done
          }
      ));
      if [[ "$1" != -d ]]; then
          [[ ${BASH_VERSINFO[0]} -ge 4 ]] && xspec=${1:+"!*.@($1|${1^^})"} || xspec=${1:+"!*.@($1|$(printf %s $1 | tr '[:lower:]' '[:upper:]'))"};
          toks=(${toks[@]-} $( compgen -f -X "$xspec" -- $quoted));
      fi;
      [ ${#toks[@]} -ne 0 ] && _compopt_o_filenames;
      COMPREPLY=("${COMPREPLY[@]}" "${toks[@]}")
  }
}

_sym()
{
    local cur prev shell i path

    COMPREPLY=()
    cur=`_get_cword`
    prev=${COMP_WORDS[COMP_CWORD-1]}

    _expand || return 0

    case "$prev" in
    --@(key-file|file|output|))
        _filedir
        return 0
        ;;
    -@(f|K|o))
        _filedir
        return 0
        ;;
    esac

    case "$cur" in
    -*)
        export DICT_SYM_COMP_OPTIONS=${DICT_SYM_COMP_OPTIONS:-$(sym --dictionary | sed -E 's/ /\n/g')}
        COMPREPLY=( $( compgen -W "$DICT_SYM_COMP_OPTIONS" -- "$cur" ))
        ;;
    *)
        _filedir
        ;;
    esac

    return 0
} &&
complete -F _sym $nospace $filenames sym

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