# Completions for passwd

function __fish_passwd_darwin_infosystem
    echo -e "PAM\tPluggable Authentication Module"
    echo -e "opendirectory\tOpen Directory-compatible system"
    echo -e "file\tLocal flat-file"
    echo -e "nis\tRemote NIS server"
end

if passwd --help >/dev/null 2>&1
    complete -c passwd -n '__fish_contains_opt -s S status' -s a -l all -f -d "Display password state for all users"
    complete -c passwd -s d -l delete -f -d "Delete user password"
    complete -c passwd -s e -l expire -f -d "Immediately obsolete user password"
    complete -c passwd -s h -l help -f -d "Display help and exit"
    complete -c passwd -s i -l inactive -x -d "Schedule account inactivation after password expiration"
    complete -c passwd -s k -l keep-tokens -f -d "Wait tokens expiration before changing password"
    complete -c passwd -s l -l lock -f -d "Lock password"
    complete -c passwd -s n -l mindays -x -d "Define minimum delay between password changes"
    complete -c passwd -s q -l quiet -f -d "Be quiet"
    complete -c passwd -s r -l repository -r -d "Update given repository"
    complete -c passwd -s R -l root -r -d "Use given directory as working directory"
    complete -c passwd -s S -l status -f -d "Display account status"
    complete -c passwd -s u -l unlock -f -d "Unlock password"
    complete -c passwd -s w -l warndays -x -d "Define warning period before mandatory password change"
    complete -c passwd -s w -l warndays -x -d "Define maximum period of password validity"
    complete -c passwd -n '__fish_not_contain_opt -s A all' -f -a '(__fish_complete_users)' -d "Account to be altered"
else # Not Linux, so let's see what it is, with the ugly uname
    set os_type (uname)
    switch $os_type
        case Darwin # macOS family
            complete -c passwd -f -a '(__fish_complete_users)' -d "Account to be altered"
            complete -c passwd -x -s i -a '(__fish_passwd_darwin_infosystem)' -d "Directory system to apply the update to"
            complete -c passwd -x -s l -d "Location to be updated on chosen directory system"
            complete -c passwd -x -s u -d "User name to use on chosen directory system"
        case FreeBSD
            complete -c passwd -f -s l -d "Update locally, not in Kerberos"
            complete -c passwd -f -a '(__fish_complete_users)' -d "Account to be altered"
    end
    # This is common to Darwin, FreeBSD and OpenBSD, and is even the only possible completion under OpenBSD
    # This is separated from Linux completions, because the Linux one is useless with -A / --all,
    # whereas -A / --all does not exist under *BSD
    complete -c passwd -f -a '(__fish_complete_users)' -d "Account to be altered"
end