#!/bin/sh
# Start the Angular SSR Node process, then nginx.
set -e

# Ensure nginx can write to the shared logs directory
mkdir -p /logs && chown nginx:nginx /logs

# Render nginx config from template
sed "s|__API_UPSTREAM__|${API_UPSTREAM}|g" /etc/nginx/conf.d/nginx.conf.template > /etc/nginx/conf.d/default.conf

# Render client-side config.json for fallback use
envsubst '${API_PUBLIC_URL}' < /usr/share/nginx/html/config.json.template > /usr/share/nginx/html/config.json

# Start the Angular SSR server (Node process) in the background
# Point at nginx (port 80) so SSR API calls go through the nginx proxy chain
# to the upstream backend. Nginx is started after SSR so the chain is complete
# by the time the first SSR request actually needs API data.
export SSR_API_BASE_URL="http://localhost:80"
echo "[entrypoint] Starting Angular SSR server on port 4200..."
node /app/server/server.mjs &
SSR_PID=$!

# Wait for the SSR server to be ready (up to 10 seconds)
echo "[entrypoint] Waiting for SSR server to be ready..."
for i in $(seq 1 20); do
  if node -e "require('http').get('http://localhost:4200/', (r) => { process.exit(r.statusCode === 200 ? 0 : 1) }).on('error', () => process.exit(1))" 2>/dev/null; then
    echo "[entrypoint] SSR server is ready."
    break
  fi
  sleep 0.5
done

# Start nginx in the foreground (primary process)
echo "[entrypoint] Starting nginx..."
exec nginx -g 'daemon off;'