#   bash completion for tg_backup.py
#
#   Copyright (C) 2026 Danilo M. <danix@danix.xyz>
#
#   This program is free software; you can redistribute it and/or modify
#   it under the terms of the GNU General Public License version 2 as
#   published by the Free Software Foundation.

_tg_backup() {
    local cur prev opts
    cur=${COMP_WORDS[COMP_CWORD]}
    prev=${COMP_WORDS[COMP_CWORD-1]}
    opts="--target --archive-dir --list-chats --force-target --self-check --help"

    # --archive-dir takes a directory. Handles both "--archive-dir <tab>" and
    # the --opt=value form, where bash leaves the = in prev.
    case $prev in
        --archive-dir)
            _filedir -d
            return
            ;;
    esac
    if [[ $cur == --archive-dir=* ]]; then
        cur=${cur#--archive-dir=}
        _filedir -d
        return
    fi

    # --target is a chat: no local source of completions without hitting the
    # network, so offer only the one value that is not chat-specific.
    if [[ $prev == --target || $cur == --target=* ]]; then
        [[ $cur == --target=* ]] && cur=${cur#--target=}
        COMPREPLY=($(compgen -W "me" -- "$cur"))
        return
    fi

    COMPREPLY=($(compgen -W "$opts" -- "$cur"))
}
complete -F _tg_backup tg_backup.py tg_backup