"""Private independent wire fixture. Not an SDK or installable tentacle."""

import json
import sys

active = False
for line in sys.stdin.buffer:
    request = json.loads(line)
    method = request["method"]
    if method == "initialize":
        initialization = request["params"]
        result = {
            "protocol": initialization["protocol"],
            "session": initialization["session"],
            "commands": [{"id": "echo", "title": "Echo text", "description": ""}],
        }
    elif method == "initialized":
        active = True
        continue
    elif method == "shutdown":
        break
    elif method == "command.invoke" and active:
        result = request["params"]["arguments"]
    else:
        sys.exit(2)
    print(json.dumps({"jsonrpc": "2.0", "id": request["id"], "result": result}), flush=True)