"""
User-Agent rotation pool — realistic mobile browser strings to avoid detection.
"""
import random

MOBILE_USER_AGENTS = [
    # Chrome on Android
    "Mozilla/5.0 (Linux; Android 14; Pixel 8 Pro) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.230 Mobile Safari/537.36",
    "Mozilla/5.0 (Linux; Android 14; Samsung Galaxy S24 Ultra) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.230 Mobile Safari/537.36",
    "Mozilla/5.0 (Linux; Android 13; OnePlus 11) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.163 Mobile Safari/537.36",
    "Mozilla/5.0 (Linux; Android 13; Xiaomi 13 Pro) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.163 Mobile Safari/537.36",
    "Mozilla/5.0 (Linux; Android 14; Google Pixel 7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.230 Mobile Safari/537.36",
    "Mozilla/5.0 (Linux; Android 13; SM-S908B) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.163 Mobile Safari/537.36",
    "Mozilla/5.0 (Linux; Android 12; SM-G998B) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.5993.80 Mobile Safari/537.36",
    "Mozilla/5.0 (Linux; Android 13; motorola edge 30) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.163 Mobile Safari/537.36",

    # Samsung Internet
    "Mozilla/5.0 (Linux; Android 14; SAMSUNG SM-S928B) AppleWebKit/537.36 (KHTML, like Gecko) SamsungBrowser/24.0 Chrome/120.0.6099.230 Mobile Safari/537.36",
    "Mozilla/5.0 (Linux; Android 13; SAMSUNG SM-S918B) AppleWebKit/537.36 (KHTML, like Gecko) SamsungBrowser/23.0 Chrome/119.0.6045.163 Mobile Safari/537.36",

    # Firefox on Android
    "Mozilla/5.0 (Android 14; Mobile; rv:121.0) Gecko/121.0 Firefox/121.0",
    "Mozilla/5.0 (Android 13; Mobile; rv:120.0) Gecko/120.0 Firefox/120.0",
    "Mozilla/5.0 (Android 12; Mobile; rv:119.0) Gecko/119.0 Firefox/119.0",

    # iPhone Safari
    "Mozilla/5.0 (iPhone; CPU iPhone OS 17_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.2 Mobile/15E148 Safari/604.1",
    "Mozilla/5.0 (iPhone; CPU iPhone OS 17_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.1 Mobile/15E148 Safari/604.1",
    "Mozilla/5.0 (iPhone; CPU iPhone OS 16_6 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.6 Mobile/15E148 Safari/604.1",
    "Mozilla/5.0 (iPhone; CPU iPhone OS 17_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.0 Mobile/15E148 Safari/604.1",

    # Chrome on iPhone
    "Mozilla/5.0 (iPhone; CPU iPhone OS 17_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/120.0.6099.119 Mobile/15E148 Safari/604.1",
    "Mozilla/5.0 (iPhone; CPU iPhone OS 17_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/119.0.6045.109 Mobile/15E148 Safari/604.1",

    # Facebook in-app browser (Android)
    "Mozilla/5.0 (Linux; Android 14; Pixel 8) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/120.0.6099.230 Mobile Safari/537.36 [FB_IAB/FB4A]",
    "Mozilla/5.0 (Linux; Android 13; SM-S908B) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/119.0.6045.163 Mobile Safari/537.36 [FB_IAB/FB4A]",
    "Mozilla/5.0 (Linux; Android 14; Pixel 7 Pro) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/120.0.6099.230 Mobile Safari/537.36 [FB_IAB/FB4A]",

    # Facebook in-app browser (iPhone)
    "Mozilla/5.0 (iPhone; CPU iPhone OS 17_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148 [FBAN/FBIOS;FBAV/440.0.0.33.103;FBBV/567234567;FBDV/iPhone15,2;FBMD/iPhone;FBSN/iOS;FBSV/17.2;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/0]",
    "Mozilla/5.0 (iPhone; CPU iPhone OS 17_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148 [FBAN/FBIOS;FBAV/439.0.0.30.102;FBBV/564123456;FBDV/iPhone14,3;FBMD/iPhone;FBSN/iOS;FBSV/17.1;FBSS/3;FBID/phone;FBLC/en_US;FBOP/5;FBRV/0]",
]

DESKTOP_USER_AGENTS = [
    "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36",
    "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:121.0) Gecko/20100101 Firefox/121.0",
    "Mozilla/5.0 (Macintosh; Intel Mac OS X 14_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36",
    "Mozilla/5.0 (Macintosh; Intel Mac OS X 14_1; rv:121.0) Gecko/20100101 Firefox/121.0",
]


def get_random_mobile_ua() -> str:
    """Get a random mobile User-Agent string."""
    return random.choice(MOBILE_USER_AGENTS)


def get_random_desktop_ua() -> str:
    """Get a random desktop User-Agent string."""
    return random.choice(DESKTOP_USER_AGENTS)


def get_random_facebook_ua() -> str:
    """Get a User-Agent that looks like it's coming from the Facebook app."""
    fb_agents = [ua for ua in MOBILE_USER_AGENTS if "FBAN" in ua or "FB_IAB" in ua]
    if fb_agents:
        return random.choice(fb_agents)
    return get_random_mobile_ua()