#!/bin/bash
#-----------------------------------------------------------------------------------------------------------------------------------
#
# Album Retitle Bash Completion
#
# Copyright (C) 2016-2026 Arnaud G. GIBERT
# mailto:arnaud@rx3.net
#
# This is free software: you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; If not, see
# <https://www.gnu.org/licenses/>.
#
#-----------------------------------------------------------------------------------------------------------------------------------



#-----------------------------------------------------------------------------------------------------------------------------------
# Album Retitle Completion
#-----------------------------------------------------------------------------------------------------------------------------------

album_retitle_completion()
{
    local    cur="${COMP_WORDS[COMP_CWORD]}"
    local   prev="${COMP_WORDS[COMP_CWORD-1]}"
    local   opts="-h --help -V --version -T --test -v --verbose"

    local    pos=0
    local      i

    COMPREPLY=()

    # Complete options if current word starts with '-'
    if [[ "${cur}" == -* ]]
    then
        COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
        return 0
    fi

    # Count non-option positional arguments already provided
    for (( i=1; i<COMP_CWORD; i++ ))
    do
	case "${COMP_WORDS[i]}" in
            -T|--test|-h|--help|-V|--version|-v|--verbose)
            ;;

            --)
            ;;

            -*)
            ;;

            *)
                pos=$(( pos + 1 ))
            ;;
	esac
    done

    # Complete positional arguments
    case "${pos}" in
        0)
            # source_dir: directory completion
            COMPREPLY=( $(compgen -d -- "${cur}") )
        ;;

        1)
            # target_dir: directory completion
            COMPREPLY=( $(compgen -d -- "${cur}") )
        ;;

        2)
            # title_file: file completion
            COMPREPLY=( $(compgen -f -- "${cur}") )
        ;;

        *)
            COMPREPLY=()
        ;;
    esac

    return 0
}



complete -o filenames -F _album_retitle_completion album_retitle
