#!/usr/bin/env bash
# Renders *.template files into their real config counterparts using the
# values from .env. Run this after every edit of .env, before
# `docker compose up`.
set -euo pipefail
cd "$(dirname "$0")/.."

if [ ! -f .env ]; then
    echo "Missing .env — copy .env.example to .env and edit it first." >&2
    exit 1
fi

set -a
# shellcheck disable=SC1091
source .env
set +a

VARS='${DOMAIN} ${MATRIX_SUBDOMAIN} ${ELEMENT_SUBDOMAIN} ${ADMIN_SUBDOMAIN} ${TRAEFIK_SUBDOMAIN}'

envsubst "$VARS" < element/config/config.json.template > element/config/config.json
envsubst "$VARS" < synapse-admin/config/config.json.template > synapse-admin/config/config.json
envsubst "$VARS" < wellknown/well-known-matrix-client.json.template > wellknown/html/well-known-matrix-client.json
envsubst "$VARS" < traefik/dynamic/routes.yml.template > traefik/dynamic/routes.yml

echo "Rendered config for domain: ${DOMAIN}"