from pydantic import BaseModel, Field
from dynalab_core.protocols.packets.handshake import JsonSignalDescriptor
from pathlib import Path
from typing import Self
from uuid import uuid4



class Config(BaseModel):
    rpmhz_sig: JsonSignalDescriptor | None = None
    lambda_sig: JsonSignalDescriptor | None = None
    comments: str = ""

    def write(self, file: str | Path) -> None:
        output_path = Path(file).expanduser()

        output_path.parent.mkdir(parents=True, exist_ok=True)

        output_path.write_text(
            self.model_dump_json(indent=4),
            encoding="utf-8",
        )

def read_config(file: str | Path) -> Config:
        input_path = Path(file).expanduser()
        if input_path.exists():
            return Config.model_validate_json(input_path.read_text(encoding="utf-8"))
        raise FileNotFoundError


DEFAULT_CONFIG = Config(
    rpmhz_sig=JsonSignalDescriptor(
        id=uuid4(),
        name="Rpmhz",
        type="number",
        timeout_ms=5000,
    ),
    lambda_sig=JsonSignalDescriptor(
        id=uuid4(),
        name="Lambda",
        type="number",
        timeout_ms=5000,
    ),
    comments="Mon test",
)