#!/bin/bash

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

# Keep this path for calling _common.sh inside the execution's context of backup and restore scripts
source ../settings/scripts/_common.sh
source /usr/share/yunohost/helpers

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

app=$YNH_APP_INSTANCE_NAME

db_name=$(ynh_app_setting_get --app=$app --key=db_name)
synapse_instance=$(ynh_app_setting_get --app=$app --key=synapse_instance)

#=================================================
# STANDARD RESTORATION STEPS
#=================================================
# RESTORE THE APP MAIN DIR
#=================================================
ynh_script_progression --message="Restoring the app main directory..." --weight=1

ynh_restore_file --origin_path="$install_dir"

chmod 750 "$install_dir"
chmod -R 750 "$install_dir"
chown -R "$app:$app" "$install_dir"

#=================================================
# SPECIFIC RESTORATION
#=================================================
# RESTORE THE POSTGRESQL DATABASE
#=================================================
ynh_script_progression --message="Restoring the PostgreSQL database..." --weight=8

ynh_psql_execute_file_as_root --file="./db.sql" --database="$db_name"

#=================================================
# RESTORE THE LOGROTATE CONFIGURATION
#=================================================
# This section has to be always above REGISTER SYNAPSE APP-SERVICE section in order to restore successfully
ynh_script_progression --message="Restoring the logrotate configuration..." --weight=1

ynh_restore_file --origin_path="/etc/logrotate.d/$app"
mkdir -p "/var/log/$app"
chmod -R 600 "/var/log/$app"
chmod 700 "/var/log/$app"
chown -R "$app:$app" "/var/log/$app"

#=================================================
# REGISTER SYNAPSE APP-SERVICE
#=================================================
ynh_script_progression --message="Registering Synapse app-service" --weight=1

$install_dir/bin/python3 -m mautrix_telegram -g -c "$install_dir/config.yaml" -r "/etc/matrix-$synapse_instance/app-service/$app.yaml"
/opt/yunohost/matrix-$synapse_instance/update_synapse_for_appservice.sh || echo "Synapse can't restart with the appservice configuration"

#=================================================
# RESTORE SYSTEMD
#=================================================
ynh_script_progression --message="Restoring the systemd configuration..." --weight=1

ynh_restore_file --origin_path="/etc/systemd/system/$app.service"
systemctl enable $app.service --quiet

#=================================================
# INTEGRATE SERVICE IN YUNOHOST
#=================================================
ynh_script_progression --message="Integrating service in YunoHost..." --weight=1

yunohost service add $app --description="$app daemon for bridging Telegram and Matrix messages" --log="/var/log/$app/$app.log"

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

# Start a systemd service
ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log"

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

ynh_script_progression --message="Restoration completed for $app" --last