#!/bin/sh -e

. /usr/share/debconf/confmodule
db_version 2.0
db_capb backup

#Valid values are "required" and "no-preseed"
license_accept=@license-accept@

errmsg()
{
    echo >&2 ''
    echo >&2 "$@"
    echo >&2 "try 'dpkg-reconfigure debconf' to select a frontend other than noninteractive"
    echo >&2 ''
}

ask()
{
    # facilitate backup capability per debconf-devel(7)
    STATE=1
    while true; do
        case "$STATE" in
        0)  # ensure going back from license presentment is harmless
            STATE=1 
            continue
            ;;   
        1)  # present license
            db_get firmware-@package@/license/accepted
            if [ "$RET" != true -o "${license_accept}" = "no-preseed" ]; then
                db_fset firmware-@package@/license/accepted seen false
                if ! db_input critical firmware-@package@/license/accepted ; then
                    errmsg "firmware-@package@ agree question could not be asked"
                    exit 2
                fi
            fi
            ;;      
        2)  # determine users' choice
            db_get firmware-@package@/license/accepted
            if [ "$RET" = "true" ]; then
                exit 0
            fi
            # error on decline license (give user chance to back up)
            db_input critical firmware-@package@/license/error
            ;;      
        3)
            echo "user did not accept the firmware-@package@ license" >&2
            exit 1
            ;;
        *)  # unknown state
            echo "firmware-@package@ license state unknown: $STATE" >&2
            exit 2
            ;;   
        esac
        if db_go; then
            STATE=$(($STATE + 1))
        else
            STATE=$(($STATE - 1))
        fi
    done
}

db_get firmware-@package@/license/accepted
if [ "$RET" != "true" ]; then
    ask
    RESULT=$?
    [ "$RESULT" = 0 ] || exit $RESULT
fi
 
#DEBHELPER#

exit 0
