#!/bin/bash
# postinst script for jitsi-meet-prosody
#
# see: dh_installdeb(1)

set -e

# summary of how this script can be called:
#        * <postinst> `configure' <most-recently-configured-version>
#        * <old-postinst> `abort-upgrade' <new version>
#        * <conflictor's-postinst> `abort-remove' `in-favour' <package>
#          <new-version>
#        * <postinst> `abort-remove'
#        * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
#          <failed-install-package> <version> `removing'
#          <conflicting-package> <version>
# for details, see http://www.debian.org/doc/debian-policy/ or
# the debian-policy package


case "$1" in
    configure)

        . /etc/default/jitsi-videobridge

        PROSODY_CONFIG_PRESENT="true"
        PROSODY_HOST_CONFIG="/etc/prosody/conf.avail/$JVB_HOSTNAME.cfg.lua"
        # if there is no prosody config extract our template
        # check for config in conf.avail or check whether it wasn't already configured in main config
        if [ ! -f $PROSODY_HOST_CONFIG ] && ! grep -q "VirtualHost \"$JVB_HOSTNAME\"" /etc/prosody/prosody.cfg.lua; then
            PROSODY_CONFIG_PRESENT="false"
            cp /usr/share/doc/jitsi-meet-prosody/prosody.cfg.lua-jvb.example $PROSODY_HOST_CONFIG
            sed -i "s/jitmeet.example.com/$JVB_HOSTNAME/g" $PROSODY_HOST_CONFIG
            sed -i "s/jitmeetSecret/$JVB_SECRET/g" $PROSODY_HOST_CONFIG
            if [ ! -f /etc/prosody/conf.d/$JVB_HOSTNAME.cfg.lua ]; then
                ln -s $PROSODY_HOST_CONFIG /etc/prosody/conf.d/$JVB_HOSTNAME.cfg.lua
            fi
        fi

        if [ ! -f /var/lib/prosody/$JVB_HOSTNAME.crt ]; then
            HOST="$( (hostname -s; echo localhost) | head -n 1)"
            DOMAIN="$( (hostname -d; echo localdomain) | head -n 1)"
            openssl req -new -newkey rsa:4096 -days 365 -nodes -x509 -subj \
                "/O=$DOMAIN/OU=$HOST/CN=$JVB_HOSTNAME/emailAddress=webmaster@$HOST.$DOMAIN" \
                -keyout /var/lib/prosody/$JVB_HOSTNAME.key \
                -out /var/lib/prosody/$JVB_HOSTNAME.crt
        fi
        ln -sf /var/lib/prosody/$JVB_HOSTNAME.key /etc/prosody/certs/$JVB_HOSTNAME.key
        ln -sf /var/lib/prosody/$JVB_HOSTNAME.crt /etc/prosody/certs/$JVB_HOSTNAME.crt

        if [ "$PROSODY_CONFIG_PRESENT" = "false" ]; then
            invoke-rc.d prosody restart
            invoke-rc.d jitsi-videobridge restart
        fi
    ;;

    abort-upgrade|abort-remove|abort-deconfigure)
    ;;

    *)
        echo "postinst called with unknown argument \`$1'" >&2
        exit 1
    ;;
esac

# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.

#DEBHELPER#

exit 0