#!/bin/bash

# =============================================================================
#                     YUNOHOST 2.7 FORTHCOMING HELPERS
# =============================================================================

# Create a dedicated nginx config
#
# usage: ynh_add_nginx_config
ynh_add_nginx_config () {
	finalnginxconf="/etc/nginx/conf.d/$domain.d/$app.conf"
	ynh_backup_if_checksum_is_different "$finalnginxconf"
	sudo cp ../conf/nginx.conf "$finalnginxconf"

	# To avoid a break by set -u, use a void substitution ${var:-}. If the variable is not set, it's simply set with an empty variable.
	# Substitute in a nginx config file only if the variable is not empty
	if test -n "${path_url:-}"; then
		ynh_replace_string "__PATH__" "$path_url" "$finalnginxconf"
	fi
	if test -n "${domain:-}"; then
		ynh_replace_string "__DOMAIN__" "$domain" "$finalnginxconf"
	fi
	if test -n "${port:-}"; then
		ynh_replace_string "__PORT__" "$port" "$finalnginxconf"
	fi
	if test -n "${app:-}"; then
		ynh_replace_string "__NAME__" "$app" "$finalnginxconf"
	fi
	if test -n "${final_path:-}"; then
		ynh_replace_string "__FINALPATH__" "$final_path" "$finalnginxconf"
	fi
	ynh_store_file_checksum "$finalnginxconf"

	sudo systemctl reload nginx
}

# Remove the dedicated nginx config
#
# usage: ynh_remove_nginx_config
ynh_remove_nginx_config () {
	ynh_secure_remove "/etc/nginx/conf.d/$domain.d/$app.conf"
	sudo systemctl reload nginx
}

# Create a dedicated php-fpm config
#
# usage: ynh_add_fpm_config
ynh_add_fpm_config () {
	finalphpconf="/etc/php5/fpm/pool.d/$app.conf"
	ynh_backup_if_checksum_is_different "$finalphpconf"
	sudo cp ../conf/php-fpm.conf "$finalphpconf"
	ynh_replace_string "__NAMETOCHANGE__" "$app" "$finalphpconf"
	ynh_replace_string "__FINALPATH__" "$final_path" "$finalphpconf"
	ynh_replace_string "__USER__" "$app" "$finalphpconf"
	sudo chown root: "$finalphpconf"
	ynh_store_file_checksum "$finalphpconf"

	if [ -e "../conf/php-fpm.ini" ]
	then
		finalphpini="/etc/php5/fpm/conf.d/20-$app.ini"
		ynh_backup_if_checksum_is_different "$finalphpini"
		sudo cp ../conf/php-fpm.ini "$finalphpini"
		sudo chown root: "$finalphpini"
		ynh_store_file_checksum "$finalphpini"
	fi

	sudo systemctl reload php5-fpm
}

# Remove the dedicated php-fpm config
#
# usage: ynh_remove_fpm_config
ynh_remove_fpm_config () {
	ynh_secure_remove "/etc/php5/fpm/pool.d/$app.conf"
	ynh_secure_remove "/etc/php5/fpm/conf.d/20-$app.ini" 2>&1
	sudo systemctl reload php5-fpm
}

# Create a dedicated systemd config
#
# usage: ynh_add_systemd_config
ynh_add_systemd_config () {
	finalsystemdconf="/etc/systemd/system/$app.service"
	ynh_backup_if_checksum_is_different "$finalsystemdconf"
	sudo cp ../conf/systemd.service "$finalsystemdconf"

	# To avoid a break by set -u, use a void substitution ${var:-}. If the variable is not set, it's simply set with an empty variable.
	# Substitute in a nginx config file only if the variable is not empty
	if test -n "${final_path:-}"; then
		ynh_replace_string "__FINALPATH__" "$final_path" "$finalsystemdconf"
	fi
	if test -n "${app:-}"; then
		ynh_replace_string "__APP__" "$app" "$finalsystemdconf"
	fi
	ynh_store_file_checksum "$finalsystemdconf"

	sudo chown root: "$finalsystemdconf"
	sudo systemctl enable $app
	sudo systemctl daemon-reload
}

# Remove the dedicated systemd config
#
# usage: ynh_remove_systemd_config
ynh_remove_systemd_config () {
	finalsystemdconf="/etc/systemd/system/$app.service"
	if [ -e "$finalsystemdconf" ]; then
		sudo systemctl stop $app
		sudo systemctl disable $app
		ynh_secure_remove "$finalsystemdconf"
	fi
}

# ============= FUTURE YUNOHOST HELPER =============
# Delete a file checksum from the app settings
#
# $app should be defined when calling this helper
#
# usage: ynh_remove_file_checksum file
# | arg: file - The file for which the checksum will be deleted
ynh_delete_file_checksum () {
	local checksum_setting_name=checksum_${1//[\/ ]/_}	# Replace all '/' and ' ' by '_'
	ynh_app_setting_delete $app $checksum_setting_name
}