"""Client for the patchbayd API socket (one request line, one JSON line back)."""

import json
import os
import socket

from flask import current_app


def request(cmd, timeout=3.0):
    path = os.path.join(current_app.config["PB_CONF"].get("rundir"), "api.sock")
    try:
        with socket.socket(socket.AF_UNIX, socket.SOCK_STREAM) as s:
            s.settimeout(timeout)
            s.connect(path)
            s.sendall(cmd.encode() + b"\n")
            data = b""
            while not data.endswith(b"\n"):
                chunk = s.recv(65536)
                if not chunk:
                    break
                data += chunk
        return json.loads(data or b"{}")
    except (OSError, ValueError) as e:
        return {"ok": False, "error": f"daemon not reachable: {e}"}


def reload():
    return request("RELOAD")