"""Scenario 2 — fresh cookie jar per run so the site treats the visitor as a new user."""
from __future__ import annotations

import undetected_chromedriver as uc
from selenium.common.exceptions import TimeoutException
from selenium.webdriver.support.ui import WebDriverWait

from crawler.driver import human_delay
from logger import get_logger

log = get_logger(__name__)


class FreshSessionScenario:
    """
    Opens the target URL in a brand-new browser profile (no stored cookies,
    localStorage, or cache) so each run appears as a first-time visitor.

    Because undetected-chromedriver already creates an isolated temp profile
    per instance, simply spinning up a new driver is sufficient — but we also
    explicitly delete all cookies after loading to be safe.
    """

    def __init__(self, driver: uc.Chrome, url: str, timeout: int = 30) -> None:
        self.driver = driver
        self.url = url
        self.wait = WebDriverWait(driver, timeout)

    def run(self) -> dict[str, object]:
        """Navigate to the target, clear any residual state, return page info."""
        self.driver.delete_all_cookies()

        # Clear localStorage / sessionStorage via JS
        self.driver.execute_script(
            "try { window.localStorage.clear(); window.sessionStorage.clear(); } catch(e) {}"
        )

        if not self.url:
            return {"title": "", "url": "", "cookie_count": 0, "cookies": []}

        try:
            self.driver.get(self.url)
        except TimeoutException:
            log.warning(
                "Page load exceeded the browser timeout; stopping navigation and continuing"
            )
            self.driver.execute_cdp_cmd("Page.stopLoading", {})
        human_delay(2.0, 4.0)

        # Interactive is sufficient for the dynamic flow and avoids waiting on
        # analytics, ads, or other background resources indefinitely.
        try:
            self.wait.until(
                lambda d: d.execute_script("return document.readyState")
                in ("interactive", "complete")
            )
        except TimeoutException:
            log.warning("Document did not report a ready state; continuing with the current DOM")

        title = self.driver.title
        current_url = self.driver.current_url
        cookies = self.driver.get_cookies()

        return {
            "title": title,
            "url": current_url,
            "cookie_count": len(cookies),
            "cookies": cookies,
        }