###############检测playlist文件夹内所有txt文件内的组播
###############检测playlist文件夹内所有txt文件内的组播
###############检测playlist文件夹内所有txt文件内的组播

import os
import cv2
import time
from tqdm import tqdm
import sys

# 初始化字典以存储IP检测结果
detected_ips = {}

def get_ip_key(url):
    """从URL中提取IP地址，并构造一个唯一的键"""
    start = url.find('://') + 3
    end = url.find('/', start)
    if end == -1:
        end = len(url)
    return url[start:end].strip()

# 设置固定的文件夹路径
folder_path = 'playlist'

# 确保文件夹路径存在
if not os.path.isdir(folder_path):
    print("指定的文件夹不存在。")
    sys.exit()

# 遍历文件夹中的所有.txt文件
for filename in os.listdir(folder_path):
    if filename.endswith('.txt'):
        file_path = os.path.join(folder_path, filename)
        # 读取文件内容
        with open(file_path, 'r', encoding='utf-8') as file:
            lines = file.readlines()

        # 准备写回文件
        with open(file_path, 'w', encoding='utf-8') as output_file:
            # 使用 tqdm 显示进度条
            for line in tqdm(lines, total=len(lines), desc=f"Processing {filename}"):
                parts = line.split(',', 1)
                if len(parts) >= 2:
                    channel_name, url = parts
                    channel_name = channel_name.strip()
                    url = url.strip()
                    ip_key = get_ip_key(url)
                    
                    # 检查IP是否已经被检测过
                    if ip_key in detected_ips:
                        # 如果之前检测成功，则写入该行
                        if detected_ips[ip_key]['status'] == 'ok':
                            output_file.write(line)
                        continue  # 无论之前检测结果如何，都不重新检测
                    
                    # 初始化帧计数器和成功标志
                    frame_count = 0
                    success = False
                    # 尝试打开视频流
                    cap = cv2.VideoCapture(url)
                    start_time = time.time()
                    while (time.time() - start_time) < 3:
                        ret, frame = cap.read()
                        if not ret:
                            break
                        frame_count += 1
                        # 如果在3秒内读取到60帧以上，设置成功标志
                        if frame_count >= 60:
                            success = True
                            break
                    cap.release()
                    
                    # 根据检测结果更新字典
                    if success:
                        detected_ips[ip_key] = {'status': 'ok'}
                        output_file.write(line)
                    else:
                        detected_ips[ip_key] = {'status': 'fail'}

# 打印检测结果
for ip_key, result in detected_ips.items():
    print(f"IP Key: {ip_key}, Status: {result['status']}")