#!/usr/bin/env python3
"""Minimal stdio MCP-ish echo server for LazyBoy Tool Manager fixtures.

Speaks a tiny JSON-RPC subset: initialize, tools/list, tools/call.
Not a substitute for a full MCP SDK; used to prove install → bind → call.
"""
import json
import sys


def reply(message_id, result):
    sys.stdout.write(json.dumps({"jsonrpc": "2.0", "id": message_id, "result": result}) + "\n")
    sys.stdout.flush()


def main():
    for line in sys.stdin:
        line = line.strip()
        if not line:
            continue
        request = json.loads(line)
        method = request.get("method")
        message_id = request.get("id")
        if method == "initialize":
            reply(message_id, {"protocolVersion": "2025-11-25", "serverInfo": {"name": "lazyboy-echo"}})
        elif method == "tools/list":
            reply(
                message_id,
                {
                    "tools": [
                        {
                            "name": "echo",
                            "description": "Echo text from the bound Computer",
                            "inputSchema": {
                                "type": "object",
                                "properties": {"text": {"type": "string"}},
                                "required": ["text"],
                            },
                        }
                    ]
                },
            )
        elif method == "tools/call":
            args = (request.get("params") or {}).get("arguments") or {}
            text = args.get("text", "")
            reply(message_id, {"content": [{"type": "text", "text": text}]})
        elif method == "notifications/initialized":
            continue
        else:
            reply(message_id, {"error": f"unknown method {method}"})


if __name__ == "__main__":
    main()