#!/usr/bin/env bash
set -eu
set -o pipefail

config_dir="$1"
if systemctl is-active -q nginx; then
    is_running=1
else
    is_running=
fi

cleanup() {
    if [ -z "$is_running" ]; then
        systemctl stop nginx
    fi

    if [ -e /etc/nginx/nginx.conf.backup ]; then
        mv /etc/nginx/nginx.conf.backup /etc/nginx.conf
    fi
}
trap cleanup EXIT

mv /etc/nginx/nginx.conf /etc/nginx/nginx.conf.backup
cat > /etc/nginx/nginx.conf <<EOF
worker_processes 1;
events {
    worker_connections 1024;
}
http {
    server {
        listen 80 default;
        server_name tozt.net;
        location / {
            root /tmp;
        }
    }
    server {
        listen 80;
        server_name blog.tozt.net;
        location / {
            root /tmp;
        }
    }
    server {
        listen 80;
        server_name paste.tozt.net;
        location / {
            root /tmp;
        }
    }
    server {
        listen 80;
        server_name git.tozt.net;
        location / {
            root /tmp;
        }
    }
    server {
        listen 80;
        server_name rss.tozt.net;
        location / {
            root /tmp;
        }
    }
    server {
        listen 80;
        server_name munin.tozt.net;
        location / {
            root /tmp;
        }
    }
    server {
        listen 80;
        server_name metabase.tozt.net;
        location / {
            root /tmp;
        }
    }
}
EOF

if [ -z "$is_running" ]; then
    systemctl start nginx
fi

if [ -z "$config_dir" ]; then
    /usr/bin/certbot -n --agree-tos -m doy@tozt.net --nginx -d tozt.net -d blog.tozt.net -d paste.tozt.net -d git.tozt.net -d rss.tozt.net -d munin.tozt.net -d metabase.tozt.net
else
    /usr/bin/certbot -n --agree-tos -m doy@tozt.net --nginx -d tozt.net -d blog.tozt.net -d paste.tozt.net -d git.tozt.net -d rss.tozt.net -d munin.tozt.net -d metabase.tozt.net --config-dir "$config_dir"
fi