from __future__ import annotations

import json
import base64
import hashlib
import requests
import urllib.parse
from datetime import datetime
from tenacity import retry
from uuid import uuid4
from fake_useragent import FakeUserAgent

from applications import log
from applications.utils import proxy, request_retry

retry_desc = request_retry(retry_times=3, min_retry_delay=2, max_retry_delay=30)


@retry(**retry_desc)
def haokan_search_videos(search_key: str) -> dict | None:
    """
    get haokan search videos
    :param search_key: search key
    :return: haokan search videos
    """
    timestamp_with_ms = datetime.now().timestamp()
    timestamp_ms = int(timestamp_with_ms * 1000)
    query_string = urllib.parse.quote(search_key)
    strings = "{}_{}_{}_{}_{}".format(1, query_string, 10, timestamp_ms, 1)
    sign = hashlib.md5(strings.encode()).hexdigest()
    url = f"https://haokan.baidu.com/haokan/ui-search/pc/search/video?pn=1&rn=10&type=video&query={query_string}&sign={sign}&version=1&timestamp={timestamp_ms}"
    base_64_string = base64.b64encode(str(uuid4()).encode()).decode()
    headers = {
        "Accept": "*/*",
        "Accept-Language": "zh",
        "Connection": "keep-alive",
        "Referer": "https://haokan.baidu.com/web/search/page?query={}".format(
            query_string
        ),
        "User-Agent": FakeUserAgent().chrome,
        "Cookie": "BAIDUID={}".format(base_64_string),
    }
    try:
        response = requests.get(url, headers=headers, proxies=proxy(), timeout=120)
        response.raise_for_status()
        return response.json()
    except requests.exceptions.RequestException as e:
        log(
            task="haokan_crawler_videos",
            function="haokan_search_videos",
            message=f"API请求失败: {e}",
            data={"search_key": search_key},
        )
    except json.JSONDecodeError as e:
        log(
            task="haokan_crawler_videos",
            function="haokan_search_videos",
            message=f"响应解析失败: {e}",
            data={"search_key": search_key},
        )
    return None

@retry(**retry_desc)
def haokan_fetch_video_detail(video_id: str) -> dict | None:
    """
    get haokan video detail
    :param video_id: video id
    :return: haokan video detail
    """
    url = "https://haokan.baidu.com/v"
    params = {
        'vid': video_id,
        '_format': 'json'
    }
    base_64_string = base64.b64encode(str(uuid4()).encode()).decode()
    headers = {
        'Accept': '*/*',
        'cookie': "BIDUPSID={}".format(base_64_string),
        'Accept-Language': 'en,zh;q=0.9,zh-CN;q=0.8',
        'Cache-Control': 'no-cache',
        'Connection': 'keep-alive',
        'Content-Type': 'application/x-www-form-urlencoded',
        'Referer': 'https://haokan.baidu.com',
        'User-Agent': FakeUserAgent().chrome,
    }
    try:
        response = requests.get(url, headers=headers, proxies=proxy(), params=params, timeout=120)
        response.raise_for_status()
        return response.json()
    except requests.exceptions.RequestException as e:
        log(
            task="haokan_crawler_videos",
            function="haokan_get_detail",
            message=f"API请求失败: {e}",
            data={"video_id": video_id},
        )
    except json.JSONDecodeError as e:
        log(
            task="haokan_crawler_videos",
            function="haokan_get_detail",
            message=f"响应解析失败: {e}",
            data={"video_id": video_id},
        )
    return None