import os
import subprocess
import threading
import time
import glob
import asyncio
import uuid
import spider
import stream
# import JS_SCRIPT_PATH
# import utils

# ----------------- HLS2YouTube 推流器 -----------------
class HLS2YouTube:
    def __init__(self, cache_dir="cache", segment_time=10, check_interval=1):
        self.cache_dir = cache_dir
        self.segment_time = segment_time
        self.check_interval = check_interval
        self.recording_threads = {}
        os.makedirs(cache_dir, exist_ok=True)

    def start_record_and_push(self, real_url, youtube_key, room_name="room"):
        tmp_segment_prefix = os.path.join(self.cache_dir, f"{room_name}_out")

        # 清空旧分段
        for f in glob.glob(f"{tmp_segment_prefix}*.ts"):
            os.remove(f)

        # ----------------- 录制线程 -----------------
        def record_thread():
            while True:
                record_cmd = [
                    "ffmpeg",
                    "-rw_timeout", "50000000",
                    "-user_agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64)",
                    "-headers", "Referer: https://www.douyin.com/",
                    "-fflags", "+nobuffer",
                    "-flags", "low_delay",
                    "-reconnect", "1",
                    "-reconnect_at_eof", "1",
                    "-reconnect_streamed", "1",
                    "-reconnect_delay_max", "10",
                    "-i", real_url,
                    "-c", "copy",
                    "-f", "segment",
                    "-segment_time", str(self.segment_time),
                    "-reset_timestamps", "1",
                    f"{tmp_segment_prefix}%03d.ts"
                ]
                try:
                    subprocess.run(record_cmd)
                except Exception as e:
                    print(f"[{room_name}] 录制异常: {e}, 5秒后重试")
                    time.sleep(5)

        # ----------------- 推流线程 -----------------
        def push_thread():
            pushed_files = set()
            while True:
                try:
                    segments = sorted(glob.glob(f"{tmp_segment_prefix}*.ts"))
                    new_segments = [s for s in segments if s not in pushed_files]
                    for seg in new_segments:
                        push_cmd = [
                            "ffmpeg",
                            "-re",
                            "-i", seg,
                            "-c:v", "libx264", "-preset", "veryfast",
                            "-b:v", "2500k", "-maxrate", "2500k", "-bufsize", "5000k",
                            "-r", "30", "-g", "60",
                            "-c:a", "aac", "-b:a", "128k",
                            "-f", "flv", f"rtmp://a.rtmp.youtube.com/live2/{youtube_key}"
                        ]
                        subprocess.run(push_cmd)
                        pushed_files.add(seg)
                    time.sleep(self.check_interval)
                except Exception as e:
                    print(f"[{room_name}] 推流异常: {e}, 5秒后重试")
                    time.sleep(5)

        t1 = threading.Thread(target=record_thread, daemon=True)
        t2 = threading.Thread(target=push_thread, daemon=True)
        t1.start()
        t2.start()

        self.recording_threads[room_name] = (t1, t2)
        print(f"[{room_name}] 录制+推流线程已启动")

_hls2yt_instance = HLS2YouTube()

# ----------------- 抖音解析逻辑 -----------------
async def get_douyin_real_url(record_url, record_quality="原画"):
    # import spider   # 你的抖音爬虫模块
    # import stream   # 你的流解析模块

    # 根据 URL 类型调用不同接口
    if 'v.douyin.com' not in record_url and '/user/' not in record_url:
        json_data = await spider.get_douyin_stream_data(url=record_url)
    else:
        json_data = await spider.get_douyin_app_stream_data(url=record_url)
    port_info = await stream.get_douyin_stream_url(json_data, record_quality, None)
    return port_info.get("record_url")

# ----------------- 启动推流 -----------------
def start_douyin_to_youtube(record_url, youtube_key, room_name=None):
    if not room_name:
        room_name = f"抖音_{str(uuid.uuid4())[:8]}"
    real_url = asyncio.run(get_douyin_real_url(record_url))
    if not real_url:
        print("获取真实直播流失败")
        return
    print(f"[{room_name}] 实际直播流: {real_url}")
    _hls2yt_instance.start_record_and_push(real_url, youtube_key, room_name)

# ----------------- 示例 -----------------
if __name__ == "__main__":
    DOUYIN_URL = "https://live.douyin.com/210443559964"  # 填入抖音直播 URL
    YOUTUBE_KEY = "qxvb-r47b-r5ju-6ud3-6k7z"                  # 填入直播 Key
    start_douyin_to_youtube(DOUYIN_URL, YOUTUBE_KEY)
    # 保持主线程
    while True:
        time.sleep(60)