from __future__ import annotations

from urllib.parse import urlparse
from typing import Iterator
from http.cookies import Morsel
try:
    from curl_cffi.requests import Session, Response
    from .curl_cffi import StreamResponse, StreamSession, FormData
    has_curl_cffi = True
except ImportError:
    from typing import Type as Session, Type as Response
    from .aiohttp import StreamResponse, StreamSession, FormData
    has_curl_cffi = False
try:
    import webview
    import asyncio
    has_webview = True
except ImportError:
    has_webview = False
try:
    import nodriver
    from nodriver.cdp.network import CookieParam
    from nodriver import Browser
    has_nodriver = True
except ImportError:
    has_nodriver = False
try:
    from platformdirs import user_config_dir
    has_platformdirs = True
except ImportError:
    has_platformdirs = False

from .. import debug
from .raise_for_status import raise_for_status
from ..webdriver import WebDriver, WebDriverSession
from ..webdriver import bypass_cloudflare, get_driver_cookies
from ..errors import MissingRequirementsError
from ..typing import Cookies
from .defaults import DEFAULT_HEADERS, WEBVIEW_HAEDERS

async def get_args_from_webview(url: str) -> dict:
    if not has_webview:
        raise MissingRequirementsError('Install "webview" package')
    window = webview.create_window("", url, hidden=True)
    await asyncio.sleep(2)
    body = None
    while body is None:
        try:
            await asyncio.sleep(1)
            body = window.dom.get_element("body:not(.no-js)")
        except:
            ...
    headers = {
        **WEBVIEW_HAEDERS,
        "User-Agent": window.evaluate_js("this.navigator.userAgent"),
        "Accept-Language": window.evaluate_js("this.navigator.language"),
        "Referer": window.real_url
    }
    cookies = [list(*cookie.items()) for cookie in window.get_cookies()]
    cookies = {name: cookie.value for name, cookie in cookies}
    window.destroy()
    return {"headers": headers, "cookies": cookies}

def get_args_from_browser(
    url: str,
    webdriver: WebDriver = None,
    proxy: str = None,
    timeout: int = 120,
    do_bypass_cloudflare: bool = True,
    virtual_display: bool = False
) -> dict:
    """
    Create a Session object using a WebDriver to handle cookies and headers.

    Args:
        url (str): The URL to navigate to using the WebDriver.
        webdriver (WebDriver, optional): The WebDriver instance to use.
        proxy (str, optional): Proxy server to use for the Session.
        timeout (int, optional): Timeout in seconds for the WebDriver.

    Returns:
        Session: A Session object configured with cookies and headers from the WebDriver.
    """
    with WebDriverSession(webdriver, "", proxy=proxy, virtual_display=virtual_display) as driver:
        if do_bypass_cloudflare:
            bypass_cloudflare(driver, url, timeout)
        headers = {
            **DEFAULT_HEADERS,
            'referer': url,
        }
        if not hasattr(driver, "requests"):
            headers["user-agent"] = driver.execute_script("return navigator.userAgent")
        else:
            for request in driver.requests:
                if request.url.startswith(url):
                    for key, value in request.headers.items():
                        if key in (
                            "accept-encoding",
                            "accept-language",
                            "user-agent",
                            "sec-ch-ua",
                            "sec-ch-ua-platform",
                            "sec-ch-ua-arch",
                            "sec-ch-ua-full-version",
                            "sec-ch-ua-platform-version",
                            "sec-ch-ua-bitness"
                        ):
                            headers[key] = value
                    break
        cookies = get_driver_cookies(driver)
    return {
        'cookies': cookies,
        'headers': headers,
    }

def get_session_from_browser(url: str, webdriver: WebDriver = None, proxy: str = None, timeout: int = 120) -> Session:
    if not has_curl_cffi:
        raise MissingRequirementsError('Install "curl_cffi" package | pip install -U curl_cffi')
    args = get_args_from_browser(url, webdriver, proxy, timeout)
    return Session(
        **args,
        proxies={"https": proxy, "http": proxy},
        timeout=timeout,
        impersonate="chrome"
    )
def get_cookie_params_from_dict(cookies: Cookies, url: str = None, domain: str = None) -> list[CookieParam]:
    [CookieParam.from_json({
        "name": key,
        "value": value,
        "url": url,
        "domain": domain
    }) for key, value in cookies.items()]

async def get_args_from_nodriver(
    url: str,
    proxy: str = None,
    timeout: int = 120,
    cookies: Cookies = None
) -> dict:
    if not has_nodriver:
        raise MissingRequirementsError('Install "nodriver" package | pip install -U nodriver')
    if debug.logging:
        print(f"Open nodriver with url: {url}")
    browser = await nodriver.start(
        browser_args=None if proxy is None else [f"--proxy-server={proxy}"],
    )
    domain = urlparse(url).netloc
    if cookies is None:
        cookies = {}
    else:
        await browser.cookies.set_all(get_cookie_params_from_dict(cookies, url=url, domain=domain))
    page = await browser.get(url)
    for c in await browser.cookies.get_all():
        if c.domain.endswith(domain):
            cookies[c.name] = c.value
    user_agent = await page.evaluate("window.navigator.userAgent")
    await page.wait_for("body:not(.no-js)", timeout=timeout)
    await page.close()
    browser.stop()
    return {
        "cookies": cookies,
        "headers": {
            **DEFAULT_HEADERS,
            "user-agent": user_agent,
            "referer": url,
        },
        "proxy": proxy
    }

def merge_cookies(cookies: Iterator[Morsel], response: Response) -> Cookies:
    if cookies is None:
        cookies = {}
    for cookie in response.cookies.jar:
        cookies[cookie.name] = cookie.value
        
async def get_nodriver(proxy: str = None, **kwargs)-> Browser:
    if not has_nodriver:
        raise MissingRequirementsError('Install "nodriver" package | pip install -U nodriver')
    user_data_dir = user_config_dir("g4f-nodriver") if has_platformdirs else None
    debug.log(f"Copilot: Open nodriver with user_dir: {user_data_dir}")
    return await nodriver.start(
        user_data_dir=user_data_dir,
        browser_args=None if proxy is None else [f"--proxy-server={proxy}"],
        **kwargs
    )