#!/bin/bash

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

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

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

ynh_abort_if_errors

#=================================================
# LOAD SETTINGS
#=================================================
ynh_script_progression --message="Loading 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=$db_name
db_pwd=$(ynh_app_setting_get --app="$app" --key=psqlpwd)

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

ynh_webpath_available --domain=$domain --path_url=$path_url \
	|| ynh_die --message="Path not available: ${domain}${path_url}"
test ! -d $final_path \
	|| ynh_die --message="There is already a directory: $final_path "

#=================================================
# STANDARD RESTORATION STEPS
#=================================================
# RESTORE THE NGINX CONFIGURATION
#=================================================

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

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

ynh_restore_file --origin_path="$final_path"

touch "$final_path/local_settings.py"
ln -sf "$final_path/local_settings.py" "$final_path/venv/lib/$weblate_pypath/site-packages/weblate/local_settings.py"

#=================================================
# 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" --use_shell

#=================================================
# RESTORE USER RIGHTS
#=================================================

# Restore permissions on app files
chown -R "$app": "$final_path"

mkdir -p "$final_path/avatar-cache"
chown -R "$app": "$final_path/avatar-cache"

#=================================================
# SPECIFIC RESTORATION
#=================================================
# REINSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Reinstalling dependencies..." --weight=40

ynh_exec_warn_less ynh_install_app_dependencies "$pkg_dependencies"

#=================================================
# RESTORE THE PostgreSQL DATABASE
#=================================================
ynh_script_progression --message="Restoring the PostgreSQL database..." --weight=5

ynh_psql_test_if_first_run
ynh_psql_setup_db --db_user="$db_user" --db_name="$db_name" --db_pwd="$db_pwd"
ynh_psql_execute_as_root --sql="CREATE EXTENSION IF NOT EXISTS pg_trgm;" --database=$db_name
ynh_psql_connect_as --user=$db_user --password=$db_pwd --database=$db_name < ./db.sql

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

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

#=================================================
# RESTORE UWSGI
#=================================================
ynh_script_progression --message="Restoring uwsgi configurations..."

ynh_restore_file --origin_path="/etc/uwsgi/apps-available/$app.ini"

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

yunohost service add "$app" --log "/var/log/$app/weblate.log"
yunohost service add "$app-celery" --log "/var/log/$app/weblate-celery-w1.log"

#=================================================
# RESTORE THE LOGROTATE CONFIGURATION
#=================================================

mkdir -p "/var/log/$app"
ynh_restore_file --origin_path="/etc/logrotate.d/$app"

#=================================================
# GENERIC FINALIZATION
#=================================================
# START WEBLATE
#=================================================
ynh_script_progression --message="Starting a systemd service..." --weight=5

ynh_systemd_action --service_name="$app" --action="start"
ynh_systemd_action --service_name="$app-celery" --action="start"

#=================================================
# 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" --last