#!/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 container settings
  source "$DIR"/letsencrypt_service_data

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

    for domain in "${!hosts_array}"; do

        # Create the domain directory
        mkdir -p /etc/nginx/certs/$domain
        cd /etc/nginx/certs/$domain

        /opt/simp_le/venv/bin/simp_le \
         -d "$domain" \
         -f fullchain.pem -f key.pem \
         --email "${!email_varname}" \
         --server=https://acme-v01.api.letsencrypt.org/directory \
         --default_root /usr/share/nginx/html/

        simp_le_return=$?

        if [[ $simp_le_return -eq 0 ]]; then
            # Symlink to created certificate and key.
            ln -sf ./$domain/fullchain.pem /etc/nginx/certs/$domain".crt"
            ln -sf ./$domain/key.pem       /etc/nginx/certs/$domain".key"
        fi

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

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