#!/bin/bash
#-----------------------------------------------------------------------------------------------------------------------------------
#
# Album Rename 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 Rename Completion
#-----------------------------------------------------------------------------------------------------------------------------------

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

    local pos=0
    local   i

    COMPREPLY=()

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

    # 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)
	    # album_name: free text, no completion
            COMPREPLY=()
        ;;

        *)
            COMPREPLY=()
        ;;
    esac

    return 0
}



complete -o filenames -F _album_rename_completion album_rename
