#!/bin/bash

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

#=================================================
# LOAD SETTINGS
#=================================================
ynh_script_progression "Loading settings..."

#=================================================
# RECREATE THE DEDICATED USER
#=================================================
ynh_script_progression 'Configuring system groups'

# Create the dedicated user (if not existing)
adduser "$app" ssl-cert
adduser turnserver ssl-cert

#=================================================
# FIX DB CONFIG
#=================================================
ynh_script_progression "Fixing database type..."

ynh_psql_db_shell \
    <<< "update pg_database set datcollate='C', datctype='C' where datname='$db_name';"

#=================================================
# RESTORE ALL CONFIG AND DATA
#=================================================

ynh_script_progression "Restoring directory and configuration..."
ynh_restore_everything
mkdir -p /etc/matrix-"$app"/app-service

# Check that the good python version is installed
# If not upgrade the source
ynh_script_progression "Check for source up to date..."
install_sources

#=================================================
# RESTORE FAIL2BAN CONFIGURATION
#=================================================
ynh_script_progression "Reload Fail2Ban..."

ynh_systemctl --action=restart --service=fail2ban

#=================================================
# RESTORE THE POSTGRESQL DATABASE
#=================================================
ynh_script_progression "Restoring the PostgreSQL database..."

ynh_psql_db_shell  < "${YNH_CWD}/dump.sql"

#=================================================
# RESTORE SYSTEMD
#=================================================
ynh_script_progression "Enable systemd services"

# systemctl daemon-reload
systemctl enable "$app".service --quiet
systemctl enable "$app"-coturn.service --quiet

#=================================================
# ADVERTISE SERVICE IN ADMIN PANEL
#=================================================

yunohost service add "$app" --log "/var/log/matrix-$app/homeserver.log" --needs_exposed_ports $port_synapse_tls --description 'Main matrix server service.'
yunohost service add "$app-coturn" --needs_exposed_ports "$port_turnserver_tls" --description 'Turn server for matrix server. Used for audio and video call.'

#=================================================
# CREATE A DH FILE
#=================================================
ynh_script_progression "Creating a dh file..."

# WARNING : theses command are used in INSTALL, UPGRADE, RESTORE
# For any update do it in all files

# Make dh cert for synapse if it doesn't exist
if [ ! -e /etc/ssl/private/dh2048.pem ]
then
    ynh_hide_warnings openssl dhparam -out /etc/ssl/private/dh2048.pem -outform PEM -dsaparam 2048
    chown root:ssl-cert /etc/ssl/private/dh2048.pem
    chmod 640 /etc/ssl/private/dh2048.pem
fi

#=================================================
# RECONFIGURE THE TURNSERVER
#=================================================
ynh_script_progression "Reconfiguring Coturn..."

configure_coturn

#=================================================
# SETUP LOGROTATE
#=================================================
ynh_script_progression "Configuring log rotation..."

ynh_config_add_logrotate /var/log/matrix-"$app"

#=================================================
# SECURE FILES AND DIRECTORIES
#=================================================

ynh_script_progression "Protecting directories..."
set_permissions data

#=================================================
# RELOAD NGINX, SYNAPSE AND COTURN
#=================================================
ynh_script_progression "Restarting Synapse services..."

ynh_systemctl --service="$app"-coturn.service --action=restart
ynh_systemctl --service="$app".service --action=restart --wait_until="Synapse now listening on TCP port $port_synapse_tls" --log_path="/var/log/matrix-$app/homeserver.log" --timeout=300

#=================================================
# RELOAD NGINX
#=================================================
ynh_script_progression "Reloading NGINX web server..."

ynh_systemctl --service=php"$php_version"-fpm --action=reload
ynh_systemctl --service=nginx --action=reload

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

ynh_script_progression "Restoration completed for $app"