#!/bin/sh
# config maintainer script for zoneminder

set -e

# Source the debconf stuff
. /usr/share/debconf/confmodule

CONFIGFILE=/etc/zm/zm.conf

if [ "$1" = "configure" ]; then

    # Ask the user if debconf shall be used to configure the package
    db_set zoneminder/debconf_install true
    db_input high zoneminder/debconf_install || true
    db_go || true

    # Exit if the user does not want to use debconf
    db_get zoneminder/debconf_install
    if [ "$RET" = "false" ]; then
        exit 0
    fi
fi

# Source the config file if exists
if [ -e $CONFIGFILE ]; then
    . $CONFIGFILE || true
else
    # Exit with error if no config file
    db_input high zoneminder/debconf_confmissingerror || true
    db_go || true
    exit 1
fi

if [ ! "$ZM_DB_TYPE" = "mysql" ]; then
    # Exit with error, currently we only support mysql
    db_input high zoneminder/debconf_dbtypeerror || true
    db_go || true
    exit 1
fi

# Ask the user if the database shall be installed locally or remotely
db_input high zoneminder/debconf_dblocation || true
db_go || true
db_get zoneminder/debconf_dblocation
if [ "$RET" = "local" ]; then
    if [ ! -e "/usr/sbin/mysqld" ]; then
        # Display a message and exit if the user want a local database but no
        # database server is available
        db_input high zoneminder/debconf_dblocalmissingerror || true
        db_go || true
        exit 1
    fi
    # Set the database server to localhost
    dbc_dbserver="localhost"
else
    # Source the dbconfig main configuration file
    if [ -f /etc/dbconfig-common/config ]; then
        . /etc/dbconfig-common/config
    fi
    if [ "$dbc_remote_questions_default" = "false" ]; then
        # Display a message and exit if the dbconfig configuration does not allow
        # installation of databases on remote servers from this assistant
        # Note: It would be nice to override the default configuration by setting
        # dbc_remote_questions_default to true here but unfortunately this does
        # not work
        # https://bugs.launchpad.net/ubuntu/+source/dbconfig-common/+bug/1065331
        db_input high zoneminder/debconf_dbconfigerror || true
        db_go || true
        exit 1
    fi
fi

if [ -f /usr/share/dbconfig-common/dpkg/config ]; then

    # Set the first version in which dbconfig-common was introduced in the
    # package
    dbc_first_version="1.28.0"

    # Currently we only support mysql database
    dbc_dbtypes="mysql"

    # Set authentication method to password
    dbc_authmethod_user="password"

    if [ "$1" = "configure" ] || [ "$1" = "reconfigure" ]; then
        # Force the use of the database name and application user name set in
        # the zoneminder configuration file
        dbc_dbname="$ZM_DB_NAME"
        dbc_dbuser="$ZM_DB_USER"
    fi

    # Reuse custom hostname and password when reconfiguring
    if [ "$1" = "reconfigure" ]; then
        dbc_dbserver="$ZM_DB_HOST"
        dbc_dbpass="$ZM_DB_PASS"
    fi

    # Source the dbconfig-common stuff
    . /usr/share/dbconfig-common/dpkg/config

    # Ask the user for all other settings about the database
    dbc_go zoneminder $@
fi

# Ask the user for the administrator login and password
db_input high zoneminder/admin_login || true
db_input high zoneminder/admin_password || true
db_go || true

# Ask the user for the web server(s) to configure
db_input high zoneminder/webserver || true
db_go || true

#DEBHELPER#

exit 0