#!/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..." --time --weight=1

app=$YNH_APP_INSTANCE_NAME

domain=$(ynh_app_setting_get "$app" domain)
path_url=$(ynh_app_setting_get "$app" path)
final_path=$(ynh_app_setting_get "$app" final_path)
db_name=$(ynh_app_setting_get "$app" db_name)
db_pwd=$(ynh_app_setting_get "$app" psqlpwd)

#=================================================
# CHECK IF THE APP CAN BE RESTORED
#=================================================
ynh_script_progression --message="Validating restoration parameters..." --time --weight=1

# Check web path availability
ynh_webpath_available "$domain" "$path_url" || ynh_die "Path not available: ${domain}${path_url}"

test ! -e "$final_path" || ynh_die "There is already a directory: $final_path"

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

ynh_restore_file "/etc/nginx/conf.d/$domain.d/$app.conf"

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

ynh_restore_file "$final_path"

#=================================================
# RECREATE THE DEDICATED USER
#=================================================
ynh_script_progression --message="Recreating the dedicated system user..." --time --weight=1

# Create the dedicated user (if not existing)
ynh_system_user_create "$app" "/home/$app"
# Allow bash for our user, so he can use hub
chsh --shell /bin/bash "$app"

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

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

#=================================================
# SPECIFIC RESTORATION
#=================================================
# REINSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Reinstalling dependencies..." --time --weight=1

ynh_install_app_dependencies "$pkg_dependencies"

#=================================================
# RESTORE THE PostgreSQL DATABASE
#=================================================
ynh_script_progression --message="Restoring the PostgreSQL database..." --time --weight=1

ynh_psql_test_if_first_run
ynh_psql_setup_db "$db_name" "$db_name" "$db_pwd"
ynh_psql_execute_file_as_root ./db.sql "$db_name"

#=================================================
# RESTORE Weblate service
#=================================================
ynh_script_progression --message="Restoring systemd configurations..." --time --weight=1

usermod --append --groups www-data "$app"

ynh_restore_file "/etc/uwsgi/apps-available/$app.ini"
ynh_restore_file "/etc/systemd/system/$app.service"

systemctl enable "$app"

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

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

# Add as a service
yunohost service add "$app" --log "/var/log/uwsgi/app/$app"
yunohost service add "$app-celery" --log "/var/log/$app-celery"

#=================================================
# RESTORE THE CRON FILE
#=================================================

ynh_restore_file "/etc/cron.d/$app"

#=================================================
# RESTORE THE HUB BINARY FILE
#=================================================
ynh_script_progression --message="Restore hub's binary file..." --time --weight=1
ynh_restore_file "/usr/bin/hub"

#=================================================
# GENERIC FINALIZATION
#=================================================
# Start weblate
#=================================================
ynh_script_progression --message="Starting a systemd service..." --time --weight=1

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 and php-fpm..." --time --weight=1

ynh_systemd_action --service_name="nginx" --action="reload"

#=================================================
# END OF SCRIPT
#=================================================
ynh_script_progression --message="Restoration completed for $app" --time --last