#!/bin/bash
set -e

# ── 1. Start AgentScope Python backend on port 8000 ───────────────────────────
echo "🐍 Starting AgentScope backend on :8000..."
cd /app/backend
uvicorn main:app --host 0.0.0.0 --port 8000 &
BACKEND_PID=$!

# ── 2. Wait for backend ───────────────────────────────────────────────────────
sleep 3

# ── 3. Start nginx reverse proxy on port 7860 ────────────────────────────────
echo "🔀 Starting nginx on :7860..."

mkdir -p /tmp/nginx_client_body /tmp/nginx_proxy /tmp/nginx_fastcgi \
         /tmp/nginx_uwsgi /tmp/nginx_scgi

cat > /tmp/nginx.conf << 'NGINXEOF'
worker_processes 1;
pid /tmp/nginx.pid;

events {
    worker_connections 1024;
}

http {
    include       /etc/nginx/mime.types;
    default_type  application/octet-stream;

    client_body_temp_path /tmp/nginx_client_body;
    proxy_temp_path        /tmp/nginx_proxy;
    fastcgi_temp_path      /tmp/nginx_fastcgi;
    uwsgi_temp_path        /tmp/nginx_uwsgi;
    scgi_temp_path         /tmp/nginx_scgi;

    server {
        listen 7860;

        # Serve custom frontend (index.html, multiagent.html, static files)
        root /app/frontend;
        index index.html;

        # SSE: disable buffering
        proxy_buffering off;

        # Custom frontend root
        location / {
            try_files $uri $uri/ /index.html;
        }

        # Python backend API
        location /api/ {
            proxy_pass http://localhost:8000/;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_read_timeout 300s;
        }
    }
}
NGINXEOF

nginx -c /tmp/nginx.conf &
NGINX_PID=$!

echo "✅ All services running:"
echo "   Frontend   → :7860 (custom UI)"
echo "   Backend    → :8000/api/"

wait $BACKEND_PID $NGINX_PID