#!/bin/sh -e

JIBRI_HOST="${__target_host}"
JIBRI_AUTH_PASS='jibriauthpass'
JIBRI_RECORDER_PASS='jibrirecorderpass'
export JIBRI_HOST
export JIBRI_AUTH_PASS
export JIBRI_RECORDER_PASS

os="$(cat "${__global}/explorer/os")"
kernel_release="$(cat "${__object}/explorer/kernel_release")"
case "${os}" in
	devuan|debian)
		if echo "${kernel_release}" | grep -qE "cloud|rt"; then
			echo "using wrong kernel ${kernel_release}, do/use: apt install linux-image-amd64" >&2
			exit 1
		fi
	;;
	#ubuntu)
	#;;
		# TODO on ubuntu you should also care about installing:
		#   linux-image-extra-virtual
		# and to check for different kernel
		# src https://github.com/jitsi/jibri#installation-notes
	*)
		echo "Your OS '${os}' is currently not supported." >&2
		exit 1
	;;
esac

__line '/etc/modules' --line 'snd_aloop' --onchange 'modprobe snd_aloop'

# thanks https://github.com/emrahcom/emrah-buster-templates/blob/master/machines/eb-jibri-template/usr/local/bin/finalize_recording.sh
__file '/opt/finalize_recording.sh' \
	--mode '755' \
	--source '-' << EOF
# Managed remotely, changes will be lost
#!/bin/sh
set -e

exit 0
EOF

__apt_key 'jitsi_meet' \
	--source "${__type}/files/apt-jitsi-keyring.gpg"

require='__apt_key/jitsi_meet' __apt_source 'jitsi_meet' \
	--uri 'https://download.jitsi.org' \
	--distribution 'stable/'

__apt_key 'google-chrome' \
	--source "${__type}/files/apt-google-chrome-keyring.gpg"

__apt_source 'debian9' \
	--uri 'http://security.debian.org/debian-security' \
	--distribution 'stretch/updates' \
	--component 'main'

# google-chrome object id is important because after google-chrome installation
#   the apt file would be duplicated, making apt update process to fail
require='__apt_key/google-chrome' __apt_source google-chrome \
	--uri 'http://dl.google.com/linux/chrome/deb/' \
	--distribution 'stable' \
	--component 'main'

## Ensure apt cache is up-to-date
require='__apt_source/jitsi_meet __apt_source/google-chrome __apt_source/debian9' __check_messages update_jibri \
	--pattern '^__apt_source/(jitsi_meet|google-chrome)' \
	--execute 'apt update'

PKGS="$( grep -v '#' <<END
jibri
# extra deps
default-jre-headless ffmpeg curl alsa-utils icewm xdotool xserver-xorg-video-dummy ruby-hocon
google-chrome-stable
# old java for jibri
openjdk-8-jdk-headless
END
)"

for pkg in ${PKGS}; do
	require='__check_messages/update_jibri' __package "${pkg}"
done

# TODO CHROME_DRIVER explorer so this process is launched only if needed
# src https://github.com/jitsi/jibri#google-chrome-stable--chromedriver
CHROME_DRIVER_VERSION="$(cat "${__type}/files/chrome-driver-version")"
CHROME_DRIVER_HASH="$(cat "${__type}/files/chrome-driver-hash")"
__download '/tmp/chromedriver.zip' \
	--url "https://chromedriver.storage.googleapis.com/$CHROME_DRIVER_VERSION/chromedriver_linux64.zip" \
	--sum "${CHROME_DRIVER_HASH}"
CHROME_DRIVER_PATH='/usr/local/bin'
require='__download/tmp/chromedriver.zip' __unpack '/tmp/chromedriver.zip' \
	--destination "${CHROME_DRIVER_PATH}" \
	--onchange "chown root:root ${CHROME_DRIVER_PATH} && chmod 0755 ${CHROME_DRIVER_PATH}"

CHROME_POLICIES='/etc/opt/chrome/policies/managed'
require='__package/google-chrome-stable' __directory "${CHROME_POLICIES}" --parents
require="__directory/${CHROME_POLICIES}" __file "${CHROME_POLICIES}/managed_policies" \
	--mode '644' \
	--source '-' <<EOF
{ "CommandLineFlagSecurityWarningsEnabled": false }
EOF

# Proceed only after installation/upgrade has finished
export require='__package/jibri'
__user_groups 'jibri' --group 'adm' --group 'audio' --group 'video' --group 'plugdev'

# TODO tell to evilham that this way, missing a variable makes the whole file to be unprocessed, is it desirable?
#   jicofo.conf.sh works the same way
"${__type}/files/jibri.conf.sh" | \
	__file '/etc/jitsi/jibri/jibri.conf' \
		--mode '0444' --source '-' \
		--onchange 'systemctl restart jibri.service'

__systemd_unit 'jibri.service' \
	--enablement-state 'enabled' \
	--restart

# thanks https://community.jitsi.org/t/jibri-recording-resolution-to-record-a-full-window-at-720p-without-cropping/104442
"${__type}/files/xorg-video-dummy.conf" | \
	__file '/etc/jitsi/jibri/xorg-video-dummy.conf' \
		--mode '0444' --source '-' \
		--onchange 'systemctl restart jibri-xorg.service'

__file '/opt/jitsi/jibri/launch.sh' \
	--onchange 'systemctl daemon-reload && systemctl restart jibri.service' \
	--mode 755 \
	--source '-' <<EOF
#!/bin/bash
# Managed remotely, changes will be lost

exec /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java -Djava.util.logging.config.file=/etc/jitsi/jibri/logging.properties -Dconfig.file="/etc/jitsi/jibri/jibri.conf" -jar /opt/jitsi/jibri/jibri.jar --config "/etc/jitsi/jibri/config.json"
EOF