#!/usr/bin/env miaou-recipe

# CONSTANTS

FORCE=${FORCE:-false}

# FUNCTIONS

function install_postfix {
	if $FORCE || ! systemctl is-active postfix.service --quiet; then
		debconf-set-selections <<EOF
postfix postfix/mailname string $(hostname -f)
postfix postfix/main_mailer_type string 'Internet Site'
postfix postfix/mynetworks string '127.0.0.0/8'
EOF
		DEBIAN_FRONTEND=noninteractive apt-get install -y postfix postgresql nginx fcgiwrap perl-doc micro debconf-utils
		postconf -e "inet_protocols = ipv4"
		systemctl restart postfix
		echo postfix installed successfully!
	else
		echo postfix already installed!
	fi
}

function alter_sympa_postgres_password_to {
	password="$1"
	/opt/miaou-bash/tools/append_or_replace '^db_passwd.*' "db_passwd\tsympa" /etc/sympa/sympa/sympa.conf
	sudo -u postgres -- psql -c "ALTER USER sympa PASSWORD '$password'"
	systemctl restart wwsympa.service
}

function install_sympa {
	if $FORCE || ! systemctl is-active wwsympa.service --quiet; then
		listmasters="pvincent@artcode.re,jnoel@mithril.re"
		[[ $(hostname -d) == *.* ]] && listmasters+=",listmaster@$(hostname -d)" || true
		debconf-set-selections <<EOF
sympa wwsympa/webserver_type select 'Other'
sympa sympa/database-type string pgsql
sympa sympa/db_host string localhost
sympa sympa/db_name string sympa
sympa sympa/db_user string sympa
sympa sympa/language select fr
sympa sympa/listmaster string $listmasters
EOF
		DEBIAN_FRONTEND=noninteractive apt-get install -y sympa
		systemctl disable sympasoap.{socket,service}
		systemctl stop sympasoap.{socket,service}

		alter_sympa_postgres_password_to sympa
		echo sympa.service installed successfully!
	else
		echo sympa.service already installed!
	fi
}

function install_opendkim {
	if $FORCE || ! systemctl is-active opendkim.service --quiet; then
		apt-get install -y opendkim
		echo opendkim installed successfully!
	else
		echo opendkim already installed!
	fi
}

function install_nginx_host {
	if $FORCE || [[ ! -f /etc/nginx/sites-available/sympa.conf ]]; then
		cat <<EOF >/etc/nginx/sites-available/sympa.conf
server {
  listen 80;
  server_name _;
  rewrite ^/$ /wws permanent;

  location /wws {
    include fastcgi_params;
    fastcgi_param SERVER_NAME $(hostname -f);
    fastcgi_pass  unix:/run/sympa/wwsympa.socket;
  }

  location /static-sympa {
    alias /usr/share/sympa/static_content;
  }

  location /css-sympa {
    alias /var/lib/sympa/css;
  }

  location /pictures-sympa { 
    alias /var/lib/sympa/pictures;
  }
}
EOF
		cd /etc/nginx/sites-enabled && rm -f default && ln -sf ../sites-available/sympa.conf && cd
		systemctl reload nginx
		echo host for nginx installed successfully!
	else
		echo host for nginx already installed!
	fi
}

# MAIN

install_postfix
install_opendkim
install_sympa
install_nginx_host