"""Local mock HTTP server. POST /call {"name": ..., "arguments": {...}}; GET /tools. Binds to 127.0.0.1 only. No logs."""
import json
from http.server import BaseHTTPRequestHandler, HTTPServer

from . import tools


class H(BaseHTTPRequestHandler):
    def log_message(self, *a):  # no request logging
        pass

    def _send(self, code, obj):
        b = json.dumps(obj).encode()
        self.send_response(code); self.send_header("Content-Type", "application/json")
        self.send_header("Content-Length", str(len(b))); self.end_headers(); self.wfile.write(b)

    def do_GET(self):
        self._send(200, tools.SCHEMAS) if self.path == "/tools" else self._send(404, {"error": "not found"})

    def do_POST(self):
        if self.path != "/call":
            return self._send(404, {"error": "not found"})
        body = json.loads(self.rfile.read(int(self.headers.get("Content-Length", 0))) or b"{}")
        try:
            self._send(200, tools.call(body.get("name"), body.get("arguments") or {}))
        except TypeError:
            self._send(400, {"error": "bad arguments"})


def main(port=8765):
    HTTPServer(("127.0.0.1", port), H).serve_forever()


if __name__ == "__main__":
    main()