#!/bin/bash

#=================================================
# GENERIC STARTING
#=================================================
# IMPORT GENERIC HELPERS
#=================================================

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

#=================================================
# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
#=================================================
ynh_script_progression --message="Backing up the app before changing its URL (may take a while)..." --weight=5

# Backup the current version of the app
ynh_clean_setup () {
	# Remove the new domain config file, the remove script won't do it as it doesn't know yet its location.
	ynh_secure_remove --file="/etc/nginx/conf.d/$new_domain.d/$app.conf"
	ynh_secure_remove --file="/etc/nginx/conf.d/$new_domain.d/$app.d"

	# restore it if the upgrade fails
	ynh_restore_upgradebackup
}

#=================================================
# ACTIVATE MAINTENANCE MODE
#=================================================

path_url=$old_path
domain=$old_domain
ynh_maintenance_mode_ON

#=================================================
# STANDARD MODIFICATIONS
#=================================================
# MODIFY URL IN NGINX CONF
#=================================================
ynh_script_progression --message="Updating NGINX web server configuration..." --weight=2

nginx_conf_path=/etc/nginx/conf.d/$old_domain.d/$app.conf
nginx_extra_conf_dir=/etc/nginx/conf.d/$old_domain.d/$app.d

# Change the path in the NGINX config file
if [ $change_path -eq 1 ]
ynh_print_info --message="Change the path in the Nginx config file"
then
	# Make a backup of the original NGINX config file if modified
	ynh_backup_if_checksum_is_different --file="$nginx_conf_path"

	# Set global variables for NGINX helper
	domain="$old_domain"
	path_url="$new_path"

	# Update custom error file path if needed
	if [ $custom_error_file ]
	ynh_print_info --message="Change the custom error config file"
	then
		ynh_add_config --template="nginx-code-error.conf" --destination="$nginx_extra_conf_dir/error-code.conf"
	fi

	# Create a dedicated NGINX configssh
	ynh_add_nginx_config
fi

# Change the domain for NGINX
if [ $change_domain -eq 1 ]
then
	# Delete file checksum for the old conf file location
	ynh_delete_file_checksum --file="$nginx_conf_path"
	ynh_delete_file_checksum --file="$nginx_extra_conf_dir/php.conf"
	#ynh_delete_file_checksum --file="$nginx_extra_conf_dir/nginx-code-error.conf"

	path_url="$new_path"
	domain="$old_domain"
	ynh_remove_nginx_config

	domain="$new_domain"
	ynh_add_nginx_config

	mv $nginx_extra_conf_dir /etc/nginx/conf.d/$new_domain.d/$app.d

	# Store file checksum for the new config file location
	ynh_store_file_checksum --file="/etc/nginx/conf.d/$new_domain.d/$app.d/php.conf"
	#ynh_store_file_checksum --file="/etc/nginx/conf.d/$new_domain.d/$app.d/nginx-code-error.conf"
fi

#=================================================
# DEACTIVE MAINTENANCE MODE
#=================================================

path_url=$old_path
domain=$old_domain
ynh_maintenance_mode_OFF

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

ynh_script_progression --message="Change of URL completed for $app" --last