#!/bin/bash
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

echo 'Waiting'
sleep 10

# Wait some amount of time
seconds_to_wait=3600;
while true; do
  # Load relevant conatiner settings
  source $DIR/letsencrypt_service_data

  for lec in "${LETSENCRYPT_CONTAINERS[@]}"; do
    # Derive host and email variable names
    host_varname="LETSENCRYPT_""$lec""_HOST"
    # Array variable indirection hack: http://stackoverflow.com/a/25880676/350221
    hosts_array=$host_varname[@]
    email_varname="LETSENCRYPT_""$lec""_EMAIL"

    domain_params=""
    for domain in "${!hosts_array}"; do
      domain_params+="-d $domain "
    done

    # Use the first domain to create the directory
    primary_domain=${!host_varname}
    mkdir -p /etc/nginx/certs/$primary_domain
    cd /etc/nginx/certs/$primary_domain
    /opt/simp_le/venv/bin/simp_le $domain_params -f fullchain.pem -f key.pem --email ${!email_varname} --default_root /usr/share/nginx/html/
    simp_le_return=$?
    cd /app

    # Symlink to created certificate and key.
    for domain in "${!hosts_array}"; do
      ln -s /etc/nginx/certs/$primary_domain/fullchain.pem /etc/nginx/certs/$domain".crt"
      ln -s /etc/nginx/certs/$primary_domain/key.pem /etc/nginx/certs/$domain".key"
    done

    # TODO: Regenerate nginx config if simp_le created a certificate and key
    #if [ "$simp_le_return" -eq 0 ]; then nginx -s reload; fi

    unset $host_varname; unset $email_varname; unset $hosts_array
  done
  unset LETSENCRYPT_CONTAINERS

  date
  echo "Waiting $seconds_to_wait seconds"; sleep $seconds_to_wait
done