from typing import Any, Dict

from meow_base.functionality.validation import valid_string, valid_dict
from meow_base.core.vars import VALID_RECIPE_NAME_CHARS, VALID_VARIABLE_NAME_CHARS
from meow_base.core.base_recipe import BaseRecipe
from meow_base.core.base_monitor import BaseMonitor
from meow_base.core.base_pattern import BasePattern


class NetworkEventPattern(BasePattern):
    # The port to monitor
    triggering_port:int

    def __init__(self, name: str, triggering_port:int, recipe: str, parameters: Dict[str, Any] = {}, outputs: Dict[str, Any] = {}, sweep: Dict[str, Any] = {}):
        super().__init__(name, recipe, parameters, outputs, sweep)
        self._is_valid_port(triggering_port)
        self.triggering_port = triggering_port

    def _is_valid_port(self, port:int)->None:
        if not isinstance(port, int):
            raise ValueError (
                f"Port '{port}' is not of type int."
            )
        elif not (0 < port < 65536):
            raise ValueError (
                f"Port '{port}' is not valid."
            )

    def _is_valid_recipe(self, recipe:str)->None:
        """Validation check for 'recipe' variable from main constructor.
        Called within parent BasePattern constructor."""
        valid_string(recipe, VALID_RECIPE_NAME_CHARS)

    def _is_valid_parameters(self, parameters:Dict[str,Any])->None:
        """Validation check for 'parameters' variable from main constructor.
        Called within parent BasePattern constructor."""
        valid_dict(parameters, str, Any, strict=False, min_length=0)
        for k in parameters.keys():
            valid_string(k, VALID_VARIABLE_NAME_CHARS)

    def _is_valid_output(self, outputs:Dict[str,str])->None:
        """Validation check for 'output' variable from main constructor.
        Called within parent BasePattern constructor."""
        valid_dict(outputs, str, str, strict=False, min_length=0)
        for k in outputs.keys():
            valid_string(k, VALID_VARIABLE_NAME_CHARS)

class NetworkMonitor(BaseMonitor):
    def __init__(self, patterns: Dict[str, NetworkEventPattern], recipes: Dict[str, BaseRecipe]) -> None:
        super().__init__(patterns, recipes)
        self.ports = set(pattern.triggering_port for pattern in patterns.values())