"""
浏览器指纹生成模块

用于生成符合 OpenAI Sentinel 要求的浏览器指纹配置数组
"""

import uuid
import time
from typing import List


class BrowserFingerprint:
    """
    浏览器指纹生成器

    生成 Sentinel SDK 所需的配置数组（18 个元素）
    """

    def __init__(self, session_id: str = None):
        """
        初始化浏览器指纹

        参数:
            session_id: 会话 ID（oai-did），如果不提供则自动生成
        """
        self.session_id = session_id or str(uuid.uuid4())
        self.start_time = time.time()

    def get_config_array(self) -> List:
        """
        获取 Sentinel SDK 配置数组

        返回:
            包含 18 个元素的指纹数组

        数组结构（从 JS 逆向）:
            [0]  screen dimensions (width*height)
            [1]  timestamp
            [2]  memory (hardwareConcurrency)
            [3]  nonce (动态值，PoW 时会修改)
            [4]  user agent
            [5]  random element
            [6]  script src
            [7]  language
            [8]  languages (joined)
            [9]  elapsed time (ms)
            [10] random function test
            [11] keys
            [12] window keys
            [13] performance.now()
            [14] uuid (session_id)
            [15] URL params
            [16] hardware concurrency
            [17] timeOrigin
        """
        elapsed_ms = int((time.time() - self.start_time) * 1000)

        return [
            1920 * 1080,                                          # [0] screen dimensions
            str(int(time.time() * 1000)),                        # [1] timestamp
            8,                                                    # [2] hardware concurrency
            0,                                                    # [3] nonce (placeholder)
            "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36",  # [4] UA
            str(0.123456789),                                    # [5] random element
            "https://chatgpt.com/_next/static/chunks/sentinel.js",  # [6] script src
            "en-US",                                              # [7] language
            "en-US,en",                                          # [8] languages
            elapsed_ms,                                           # [9] elapsed time
            "",                                                   # [10] random function
            "",                                                   # [11] keys
            "",                                                   # [12] window keys
            elapsed_ms,                                           # [13] performance.now()
            self.session_id,                                      # [14] uuid (oai-did)
            "",                                                   # [15] URL params
            8,                                                    # [16] hardware concurrency
            int(time.time() * 1000) - elapsed_ms,                # [17] timeOrigin
        ]


# 导出
__all__ = ["BrowserFingerprint"]