#!/bin/bash

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

source _common.sh
source ynh_supervisor
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="/"

app=$YNH_APP_INSTANCE_NAME

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

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

phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)

#=================================================
# BACKUP BEFORE CHANGE URL THEN ACTIVE TRAP
#=================================================
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

#=================================================
# STANDARD MODIFICATIONS
#=================================================
# STOP SUPERVISOR SERVICE
#=================================================
ynh_script_progression --message="Stopping a supervisor service..." --weight=1

ynh_supervisor_action --service_name="${app}-horizon" --action="stop" --log_path="/var/log/$app/${app}-horizon.log"

#=================================================
# MODIFY URL IN NGINX CONF
#=================================================
ynh_script_progression --message="Updating NGINX web server configuration..." --weight=1

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

# 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

#=================================================
# SPECIFIC MODIFICATIONS
#=================================================
# UPDATE CONFIG FILE
#=================================================
ynh_script_progression --message="Updating config file..." --weight=1

config="$final_path/.env"
ynh_backup_if_checksum_is_different --file="$config"
ynh_replace_string --match_string="APP_URL=.*"           --replace_string="APP_URL=https://$new_domain"                --target_file="$config"
ynh_replace_string --match_string="ADMIN_DOMAIN=.*"      --replace_string="ADMIN_DOMAIN=\"$new_domain\""               --target_file="$config"
ynh_replace_string --match_string="APP_DOMAIN=.*"        --replace_string="APP_DOMAIN=\"$new_domain\""                 --target_file="$config"
ynh_replace_string --match_string="MAIL_FROM_ADDRESS=.*" --replace_string="MAIL_FROM_ADDRESS=\"pixelfed@$new_domain\"" --target_file="$config"

# Recalculate and store the checksum of the file for the next upgrade.
ynh_store_file_checksum --file="$config"

#=================================================
# APPLY CHANGES
#=================================================
ynh_script_progression --message="Applying changes..." --weight=1

pushd "$final_path"
	php$phpversion artisan config:clear
	php$phpversion artisan config:cache
	php$phpversion artisan route:clear
	php$phpversion artisan route:cache
	php$phpversion artisan horizon:purge
popd

#=================================================
# GENERIC FINALISATION
#=================================================
# START SUPERVISOR SERVICE
#=================================================
ynh_script_progression --message="Starting a supervisor service..." --weight=1

ynh_supervisor_action --service_name="${app}-horizon" --action="start" --log_path="systemd" --line_match="success: ${app}-horizon"

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

ynh_systemd_action --service_name=nginx --action=reload

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

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