"""ACDL consumer microservice — a tiny HTTP server returning 200 on /.

This is the reference consumer microservice for the v1.2 milestone. It's
intentionally minimal: stdlib only, no framework, no dependencies. The
platform deploys it to ECS Fargate via the microservice contract.
"""
import json
import os
from http.server import BaseHTTPRequestHandler, HTTPServer


class Handler(BaseHTTPRequestHandler):
    def do_GET(self):
        if self.path == "/" or self.path == "/health":
            body = json.dumps({
                "status": "ok",
                "service": "acdl-microservice",
                "version": "1.0.0",
            }).encode()
            self.send_response(200)
            self.send_header("Content-Type", "application/json")
            self.send_header("Content-Length", str(len(body)))
            self.end_headers()
            self.wfile.write(body)
        else:
            self.send_response(404)
            self.end_headers()

    def log_message(self, format, *args):
        print(f"{self.address_string()} - {format % args}")


if __name__ == "__main__":
    port = int(os.environ.get("PORT", "8080"))
    server = HTTPServer(("0.0.0.0", port), Handler)
    print(f"acdl-microservice listening on :{port}", flush=True)
    server.serve_forever()