import uuid
from dataclasses import dataclass, field


@dataclass
class BrowserSession:
    engine: str = "camoufox"  # camoufox | nodriver | drissionpage
    profile_name: str = "desktop"  # desktop | mobile_ios | mobile_android
    human_behavior: bool = True
    delay_factor: float = 1.0  # multiplier on all delays (>1 = slower, <1 = faster)
    scroll_speed: str = "normal"  # slow | normal | fast
    proxy: dict | None = None  # Playwright proxy dict — pinned for the session lifetime
    session_id: str = field(default_factory=lambda: str(uuid.uuid4())[:8])


_store: dict[str, BrowserSession] = {}


def create_session(
    engine: str = "camoufox",
    profile_name: str = "desktop",
    human_behavior: bool = True,
    delay_factor: float = 1.0,
    scroll_speed: str = "normal",
    proxy: dict | None = None,
) -> BrowserSession:
    s = BrowserSession(
        engine=engine,
        profile_name=profile_name,
        human_behavior=human_behavior,
        delay_factor=delay_factor,
        scroll_speed=scroll_speed,
        proxy=proxy,
    )
    _store[s.session_id] = s
    return s


def get_session(session_id: str) -> BrowserSession | None:
    return _store.get(session_id)


def update_session(session_id: str, **kwargs: object) -> BrowserSession | None:
    s = _store.get(session_id)
    if s:
        for k, v in kwargs.items():
            if hasattr(s, k):
                setattr(s, k, v)
    return s


def delete_session(session_id: str) -> bool:
    return _store.pop(session_id, None) is not None