# slapt-get(8) completion                                  -*- shell-script -*-

proc _slapt_get {
    local cur prev words cword
    _init_completion || return

    case (prev) {
        --config|-c {
            _filedir
            return
            }
        --retry|--search {
            # argument required but no completions available
            return
            }
    }

    if [[ "$cur" == -* ]] {
        setvar COMPREPLY = ''( $( compgen -W '$( _parse_help "$1" --help )' -- "$cur" ) )
        [[ $COMPREPLY == *= ]] && compopt -o nospace
        [[ $COMPREPLY ]] && return
    }

    local i t
    # search for last action (--install|--install-set|--remove|--show|--filelist)
    for (( i=${#words[@]}-1; i>0; i-- )); do
        if [[ ${words[i]} == --show ]]; then
            t="all"
            break
        elif [[ ${words[i]} == -@(i|-install) ]]; then
            t="avl"
            break
        elif [[ ${words[i]} == --install-set ]]; then
            t="set"
            break
        elif [[ ${words[i]} == --@(remove|filelist) ]]; then
            t="ins"
            break
        fi
    done

    local config="/etc/slapt-get/slapt-getrc" # default config location
    # search for config
    for (( i=${#words[@]}-1; i>0; i-- )); do
        if [[ ${words[i]} == -@(c|-config) ]]; then
            config="${words[i+1]}"
            __expand_tilde_by_ref config
            break
        fi
    done
    [[ -r "$config" ]] || return

    case (t) {
        all { # --show
            # slapt-get will fail to search for "^name-version"
            # it can search for names only
            local name=${cur%%-*}
            setvar COMPREPLY = ''( $( LC_ALL=C "$1" -c "$config" --search "^$name" 2> \
                /dev/null | LC_ALL=C sed -ne "/^$cur/{s/ .*$//;p}" ) )
            return
            }
        avl { # --install|-i|
            setvar COMPREPLY = ''( $( LC_ALL=C "$1" -c "$config" --available 2> \
                /dev/null | LC_ALL=C sed -ne "/^$cur/{s/ .*$//;p}" ) )
            return
            }
        ins { # --remove|--filelist
            setvar COMPREPLY = ''( $( cd /var/log/packages; compgen -f -- "$cur" ) )
            return
            }
        set { # --install-set
            setvar COMPREPLY = ''( $( compgen -W 'a ap d e f k kde kdei l n t tcl x
                xap xfce y' -- "$cur" ) )
            return
            }
    }
} && complete -F _slapt_get slapt-get

# ex: ts=4 sw=4 et filetype=sh