import json
import signal
import sys

from tui_gateway.server import dispatch, resolve_skin, write_json

signal.signal(signal.SIGPIPE, signal.SIG_DFL)
signal.signal(signal.SIGINT, signal.SIG_IGN)


def main():
    if not write_json({
        "jsonrpc": "2.0",
        "method": "event",
        "params": {"type": "gateway.ready", "payload": {"skin": resolve_skin()}},
    }):
        sys.exit(0)

    for raw in sys.stdin:
        line = raw.strip()
        if not line:
            continue

        try:
            req = json.loads(line)
        except json.JSONDecodeError:
            if not write_json({"jsonrpc": "2.0", "error": {"code": -32700, "message": "parse error"}, "id": None}):
                sys.exit(0)
            continue

        resp = dispatch(req)
        if resp is not None:
            if not write_json(resp):
                sys.exit(0)


if __name__ == "__main__":
    main()