#!/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 ../settings/scripts/ynh_supervisor
source /usr/share/yunohost/helpers

#=================================================
# MANAGE SCRIPT FAILURE
#=================================================

ynh_clean_setup () {
	ynh_clean_check_starting
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

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

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)
db_name=$(ynh_app_setting_get --app=$app --key=db_name)
db_user=$db_name
datadir=$(ynh_app_setting_get --app=$app --key=datadir)

#=================================================
# CHECK IF THE APP CAN BE RESTORED
#=================================================
ynh_script_progression --message="Validating restoration parameters..."

test ! -d $final_path \
	|| ynh_die --message="There is already a directory: $final_path "

#=================================================
# STANDARD RESTORATION STEPS
#=================================================
# RESTORE THE NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Restoring the NGINX web server configuration..."

ynh_restore_file --origin_path="/etc/nginx/conf.d/$domain.d/$app.conf"

#=================================================
# RECREATE THE DEDICATED USER
#=================================================
ynh_script_progression --message="Recreating the dedicated system user..."

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

#=================================================
# RESTORE THE APP MAIN DIR
#=================================================
ynh_script_progression --message="Restoring the app main directory..."

ynh_restore_file --origin_path="$final_path"

chmod 750 "$final_path"
chmod -R o-rwx "$final_path"
chown -R $app:www-data "$final_path"

#=================================================
# RESTORE THE DATA DIRECTORY
#=================================================
ynh_script_progression --message="Restoring the data directory..."

ynh_restore_file --origin_path="$datadir" --not_mandatory

mkdir -p $datadir
mkdir -p $datadir/depot
mkdir -p $datadir/radicale_storage

chmod 750 "$datadir"
chmod -R o-rwx "$datadir"
chown -R $app:www-data "$datadir"

#=================================================
# SPECIFIC RESTORATION
#=================================================
# REINSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Reinstalling dependencies..."

# Define and install dependencies
ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies
ynh_install_nodejs --nodejs_version=$nodejs_version
ynh_install_extra_app_dependencies --repo="deb https://dl.yarnpkg.com/debian/ stable main" --package="yarn" --key="https://dl.yarnpkg.com/debian/pubkey.gpg"

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

db_pwd=$(ynh_app_setting_get --app=$app --key=psqlpwd)
ynh_psql_test_if_first_run
ynh_psql_setup_db --db_user=$db_user --db_name=$db_name --db_pwd=$db_pwd
ynh_psql_execute_file_as_root --file="./db.sql" --database=$db_name

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

ynh_restore_file --origin_path="/etc/uwsgi/apps-available/$app-web.ini"
chmod 400 "/etc/uwsgi/apps-available/$app-web.ini"
chown $app:$app "/etc/uwsgi/apps-available/$app-web.ini"
ln -sf /etc/uwsgi/apps-available/$app-web.ini /etc/uwsgi/apps-enabled/$app-web.ini

ynh_restore_file --origin_path="/etc/uwsgi/apps-available/$app-webdav.ini"
chmod 400 "/etc/uwsgi/apps-available/$app-webdav.ini"
chown $app:$app "/etc/uwsgi/apps-available/$app-webdav.ini"
ln -sf /etc/uwsgi/apps-available/$app-webdav.ini /etc/uwsgi/apps-enabled/$app-webdav.ini

ynh_restore_file --origin_path="/etc/uwsgi/apps-available/$app-caldav.ini"
chmod 400 "/etc/uwsgi/apps-available/$app-caldav.ini"
chown $app:$app "/etc/uwsgi/apps-available/$app-caldav.ini"
ln -sf /etc/uwsgi/apps-available/$app-caldav.ini /etc/uwsgi/apps-enabled/$app-caldav.ini

ynh_restore_file --origin_path="/etc/supervisor/conf.d/$app.conf"

supervisorctl reread
supervisorctl update

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

yunohost service add uwsgi --log="/var/log/uwsgi/app/$app.log"
yunohost service add supervisor --log="/var/log/supervisor/supervisord.log"

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

# Start a systemd service
ynh_systemd_action --service_name="uwsgi" --action="restart" --log_path="/var/log/uwsgi/app/$app.log" --line_match="spawned uWSGI"
ynh_supervisor_action --service_name="$app" --action="restart" --log_path="/var/log/supervisor/supervisord.log"

#=================================================
# GENERIC FINALIZATION
#=================================================
# RELOAD NGINX
#=================================================
ynh_script_progression --message="Reloading NGINX web server..."

ynh_systemd_action --service_name=nginx --action=reload

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

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