#!/bin/bash

#=================================================
# GENERIC START
#=================================================
# IMPORT GENERIC HELPERS
#=================================================

source _common.sh
source /usr/share/yunohost/helpers

#=================================================
# LOAD SETTINGS
#=================================================
ynh_script_progression --message="Loading installation settings..." --time --weight=1

app=$YNH_APP_INSTANCE_NAME

domain=$(ynh_app_setting_get --app=$app --key=domain)
path_url=$(ynh_app_setting_get --app=$app --key=path)
final_path=$(ynh_app_setting_get --app=$app --key=final_path)

focus_password=$(ynh_app_setting_get --app=$app --key=$focus_password)
videobridge_secret=$(ynh_app_setting_get --app=$app --key=videobridge_secret)
focus_secret=$(ynh_app_setting_get --app=$app --key=focus_secret)

#=================================================
# CHECK VERSION
#=================================================

upgrade_type=$(ynh_check_app_version_changed)

#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================
ynh_script_progression --message="Ensuring downward compatibility..." --time --weight=1

# If final_path doesn't exist, create it
if [ -z "$final_path" ]; then
	final_path=/var/www/$app
	ynh_app_setting_set --app=$app --key=final_path --value=$final_path
fi

#=================================================
# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
#=================================================
ynh_script_progression --message="Backing up the app before upgrading (may take a while)..." --time --weight=1

# Backup the current version of the app
ynh_backup_before_upgrade
ynh_clean_setup () {
	# restore it if the upgrade fails
	ynh_restore_upgradebackup
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# STANDARD UPGRADE STEPS
#=================================================
# STOP SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Stopping a systemd service..." --time --weight=1

ynh_systemd_action --service_name=$app-jitsi-videobridge --action="stop" --log_path="/var/log/$app/$app-jitsi-videobridge.log"
ynh_systemd_action --service_name=$app-jitsi-jicofo --action="stop" --log_path="/var/log/$app/$app-jitsi-jicofo.log"

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================

if [ "$upgrade_type" == "UPGRADE_APP" ]
then
	ynh_script_progression --message="Upgrading source files..." --time --weight=1

	# Download, check integrity, uncompress and patch the source from app.src
	ynh_setup_source --dest_dir="$final_path/jitsi-videobridge" --source_id=jitsi-videobridge
	ynh_setup_source --dest_dir="$final_path/jitsi-jicofo" --source_id=jitsi-jicofo
	ynh_setup_source --dest_dir="$final_path/jitsi-meet" --source_id=jitsi-meet
fi

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Upgrading nginx web server configuration..." --time --weight=1

# Create a dedicated nginx config
ynh_add_nginx_config

#=================================================
# UPGRADE DEPENDENCIES
#=================================================
ynh_script_progression --message="Upgrading dependencies..." --time --weight=1

ynh_install_app_dependencies $pkg_dependencies

ynh_install_nodejs --nodejs_version=10

#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Making sure dedicated system user exists..." --time --weight=1

# Create a dedicated user (if not existing)
ynh_system_user_create --username=$app --home_dir=$final_path

#=================================================
# SPECIFIC UPGRADE
#=================================================
# BUILD JITSI-VIDEOBRIDGE
#=================================================

pushd "$final_path/jitsi-videobridge"
    mvn compile exec:exec -Dexec.executable=java -Dexec.args="-cp %classpath org.jitsi.videobridge.Main --domain=\"$domain\" --host=\"localhost \" --port=\"5347\" --secret=\"$videobridge_secret\" -Djava.library.path=$JVB_HOME/lib/native/linux-64 -Djava.util.logging.config.file=$JVB_HOME/lib/logging.properties -Dnet.java.sip.communicator.SC_HOME_DIR_NAME=.jitsi-videobridge "
popd

#=================================================
# BUILD JITSI-JICOFO
#=================================================

pushd "$final_path/jitsi-jicofo"
    mvn package -DskipTests -Dassembly.skipAssembly=false
popd

#=================================================
# BUILD JITSI-MEET
#=================================================

pushd "$final_path/jitsi-meet"
    ynh_use_nodejs
    npm install
    make
popd

config="$final_path/jitsi-meet/config.js"
cp ../conf/config.js "$config"
ynh_replace_string --match_string="__DOMAIN__" --replace_string="$domain" --target_file="$config"

#=================================================
# STORE THE CONFIG FILE CHECKSUM
#=================================================

ynh_backup_if_checksum_is_different --file="$final_path/CONFIG_FILE"
# Recalculate and store the checksum of the file for the next upgrade.
ynh_store_file_checksum --file="$config"

#=================================================
# SETUP LOGROTATE
#=================================================
ynh_script_progression --message="Upgrading logrotate configuration..." --time --weight=1

# Use logrotate to manage app-specific logfile(s)
ynh_use_logrotate --non-append

#=================================================
# SETUP SYSTEMD
#=================================================
ynh_script_progression --message="Upgrading systemd configuration..." --time --weight=1

# Create a dedicated systemd config
ynh_replace_string --match_string="__DOMAIN__" --replace_string="$domain" --target_file="../conf/jitsi-videobridge.service"
ynh_replace_string --match_string="__VIDEOBRIDGE_SECRET__" --replace_string="$videobridge_secret" --target_file="../conf/jitsi-videobridge.service"
ynh_add_systemd_config --service=$app-jitsi-videobridge --template=jitsi-videobridge

ynh_replace_string --match_string="__DOMAIN__" --replace_string="$domain" --target_file="../conf/jitsi-jicofo.service"
ynh_replace_string --match_string="__FOCUS_SECRET__" --replace_string="$focus_secret" --target_file="../conf/jitsi-jicofo.service"
ynh_replace_string --match_string="__FOCUS_PASSWORD__" --replace_string="$focus_password" --target_file="../conf/jitsi-jicofo.service"
ynh_add_systemd_config --service=$app-jitsi-jicofo --template=jitsi-jicofo

#=================================================
# GENERIC FINALIZATION
#=================================================
# SECURE FILES AND DIRECTORIES
#=================================================

# Set permissions on app files
chown -R root: $final_path

#=================================================
# SETUP SSOWAT
#=================================================
ynh_script_progression --message="Upgrading SSOwat configuration..." --time --weight=1

# Make app public
ynh_app_setting_set --app=$app --key=unprotected_uris --value="/"

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..." --time --weight=1

ynh_systemd_action --service_name=$app-jitsi-videobridge --action="start" --log_path="/var/log/$app/$app-jitsi-videobridge.log"
ynh_systemd_action --service_name=$app-jitsi-jicofo --action="start" --log_path="/var/log/$app/$app-jitsi-jicofo.log"

#=================================================
# RELOAD NGINX
#=================================================
ynh_script_progression --message="Reloading nginx web server..." --time --weight=1

ynh_systemd_action --service_name=nginx --action=reload

#=================================================
# END OF SCRIPT
#=================================================

ynh_script_progression --message="Upgrade of $app completed" --time --last