#!/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"
        # if there is no prosody config extract our template
        if [ ! -f /etc/prosody/prosody.cfg.lua ]; then
            PROSODY_CONFIG_PRESENT="false"
            gunzip -c /usr/share/doc/jitsi-meet-prosody/prosody.cfg.lua-jvb.example.gz > /etc/prosody/prosody.cfg.lua
        fi

        # if there is no config for our domain, lets create it
        if ! grep -q "VirtualHost \"$JVB_HOSTNAME\"" /etc/prosody/prosody.cfg.lua; then

            # if its not our template, save the original and extract our template
            if ! grep -q "VirtualHost \"jitmeet.example.com\"" /etc/prosody/prosody.cfg.lua; then
                PROSODY_CONFIG_PRESENT="false"
                cp /etc/prosody/prosody.cfg.lua /etc/prosody/prosody.cfg.lua.orig
                gunzip -c /usr/share/doc/jitsi-meet-prosody/prosody.cfg.lua-jvb.example.gz > /etc/prosody/prosody.cfg.lua
            fi

            if [ "PROSODY_CONFIG_PRESENT" = "true" ]; then
                cp /etc/prosody/prosody.cfg.lua /etc/prosody/prosody.cfg.lua.orig
            fi
            sed -i "s/jitmeet.example.com/$JVB_HOSTNAME/g" /etc/prosody/prosody.cfg.lua
            sed -i "s/jitmeetSecret/$JVB_SECRET/g" /etc/prosody/prosody.cfg.lua
        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
        invoke-rc.d prosody restart
    ;;

    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