from __future__ import annotations

import re
from dataclasses import dataclass
from typing import Any, Mapping

from .handler import APIHandler


__all__ = ["Route"]


@dataclass
class Route:
    method: str
    pattern: str
    handler: APIHandler

    def __post_init__(self):
        self._compiled_pattern = re.compile(self.pattern)

    def match(self, method: str, path: str) -> Mapping[str, Any] | None:
        if method != self.method:
            return None

        match = self._compiled_pattern.match(path)

        if not match:
            return None

        return dict(match.groupdict())