#!/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..."

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

# Add settings here as needed by your application
db_name=$(ynh_app_setting_get --app=$app --key=db_name)
db_user=$db_name
db_pwd=$(ynh_app_setting_get --app=$app --key=mysqlpwd)
admin=$(ynh_app_setting_get --app=$app --key=admin)
language=$(ynh_app_setting_get --app=$app --key=language)

if [ -z $admin ]; then
	admin=$(ynh_app_setting_get $app admin_user)
	if [ -z $admin ]; then
		ynh_die --message="no admin user found"
	fi;
  ynh_app_setting_delete $app admin_user
	ynh_app_setting_set $app admin $admin
fi

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

# Backup the current version of the app
ynh_backup_before_upgrade
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"

  # Restore it if the upgrade fails
  ynh_restore_upgradebackup
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# CHECK PATHS SYNTAX
#=================================================
ynh_script_progression --message="Backing up the app before changing its URL (may take a while)..." --weight=1

# Backup the current version of the app
ynh_backup_before_upgrade
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"

  # Restore it if the upgrade fails
  ynh_restore_upgradebackup
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# 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 FILE
#=================================================
ynh_script_progression --message="Updating NGINX web server configuration..."

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

# 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"
  domain="$old_domain"
  path_url="$new_path"
  # Create a dedicated nginx config
  ynh_add_nginx_config
fi

# Change the domain for nginx
if [ $change_domain -eq 1 ]
then
  ynh_delete_file_checksum --file="$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

#=================================================
# SPECIFIC MODIFICATIONS
#=================================================

ynh_exec_as $app $final_path/cli/reconfigure.php --auth_type http_auth --environment production --base_url https://$new_domain$new_path --title FreshRSS --api_enabled --db-type mysql --db-host localhost --db-user $db_name --db-password $db_pwd --db-base $db_name

#=================================================
# 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="Change of URL completed for $app"