#!/bin/bash

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

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

#=================================================
# RETRIEVE ARGUMENTS
#=================================================

old_domain=$YNH_APP_OLD_DOMAIN
old_path=$YNH_APP_OLD_PATH

new_domain=$YNH_APP_NEW_DOMAIN
new_path=$YNH_APP_NEW_PATH

app=$YNH_APP_INSTANCE_NAME

#=================================================
# LOAD SETTINGS
#=================================================
ynh_script_progression --message="Loading installation settings..." --weight=1

# Needed for helper "ynh_add_nginx_config"
final_path=$(ynh_app_setting_get --app=$app --key=final_path)

#=================================================
# CHECK WHICH PARTS SHOULD BE CHANGED
#=================================================

change_domain=0
if [ "$old_domain" != "$new_domain" ]
then
	change_domain=1
fi

change_path=0
if [ "$old_path" != "$new_path" ]
then
	change_path=1
fi

#=================================================
# STANDARD MODIFICATIONS
#=================================================
# MODIFY URL IN NGINX CONF
#=================================================
ynh_script_progression --message="Updating nginx web server configuration..." --weight=3

nginx_conf_path=/etc/nginx/conf.d/$old_domain.d/$app.conf
final_path=/var/www/$app

# Change the path in the nginx config file
if [ $change_path -eq 1 ]
then
  # Make a backup of the original nginx config file if modified
  ynh_backup_if_checksum_is_different --file="$nginx_conf_path"
  # Set global variables for nginx helper
  domain="$old_domain"
  path_url="$new_path"
  # Create a dedicated nginx config
  ynh_add_nginx_config
fi

# change the config.local.conf
if [ $change_path -eq 1 ] && [ "$new_path" == "/" ]; then
  ynh_replace_string --match_string="const WWW_URI = '$old_path/';" --replace_string="const WWW_URI = '$new_path';" --target_file="$final_path/config.local.php"
elif [ $change_path -eq 1 ] && [ "$old_path" == "/" ]; then
  ynh_replace_string --match_string="const WWW_URI = '$old_path';" --replace_string="const WWW_URI = '$new_path/';" --target_file="$final_path/config.local.php"
else [ $change_path -eq 1 ]
   ynh_replace_string --match_string="const WWW_URI = '$old_path/';" --replace_string="const WWW_URI = '$new_path/';" --target_file="$final_path/config.local.php"
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"
  mv $nginx_conf_path /etc/nginx/conf.d/$new_domain.d/$app.conf
  # Store file checksum for the new config file location
  ynh_store_file_checksum --file="/etc/nginx/conf.d/$new_domain.d/$app.conf"
fi

#=================================================
# GENERIC FINALISATION
#=================================================
# RELOAD NGINX
#=================================================
ynh_script_progression --message="Reloading nginx web server..." --weight=1

ynh_systemd_action --service_name=nginx --action=reload

#=================================================
# last configuration
#=================================================
# END OF SCRIPT
#=================================================

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