#!/bin/bash

# this script generates the shared values for the
# terraform config (domain & subdomain variables)

# it depends on apps.config which should define:
# ROOT_DOMAIN - the root domain for all apps
# APP_CONFIGS - app-subdomain pairs, configured via a comma, like:
#   app1,subdomain1 app2,subdomain2 app3,subdomain3
# full example:
#   ROOT_DOMAIN=nassella.cc
#   APP_CONFIGS="app1,subdomain1 app2,subdomain2 app3,subdomain3"

set -e

. $1 # source the apps.config file with then env vars

read -r -a APP_CONFIGS <<< "$APP_CONFIGS"
APP_CONFIGS+=('lb,root')

echo "domain = \"$ROOT_DOMAIN\""
echo -n "subdomains = ["

separator=''

for config_string in ${APP_CONFIGS[@]}; do
    IFS=','
    read -r -a config <<< "$config_string"

    app=${config[0]}
    subdomain=${config[1]}

    echo -n "$separator"
    echo -n "\"$subdomain\""

    separator=', '

    # see note about lldap in make-caddyfile.sh
    if [ "$app" = "nassella" ]; then
       echo -n "$separator"
       echo -n "\"lldap.$subdomain\""
    fi
done

echo "]"