#!/usr/bin/env python3
"""
监控Phase 4B训练状态
定期检查分割性能是否改善
"""

import time
import subprocess

def check_training_status():
    """检查训练状态"""
    try:
        # 检查进程
        result = subprocess.run(
            "ps aux | grep python | grep -v grep | wc -l",
            shell=True, capture_output=True, text=True
        )
        process_count = int(result.stdout.strip())

        print(f"🖥️  Python进程数量: {process_count}")

        if process_count < 10:
            print("❌ 训练进程异常")
            return False

        # 检查最新日志
        try:
            with open('phase4b_training_v2.log', 'r') as f:
                lines = f.readlines()[-10:]
                for line in lines:
                    if 'divider/dice:' in line:
                        # 提取dice loss值
                        import re
                        match = re.search(r'loss/map/divider/dice: ([0-9.]+)', line)
                        if match:
                            dice_loss = float(match.group(1))
                            dice_coeff = 1 - dice_loss
                            print(f"Dice Loss: {dice_loss:.4f}")
                            print(f"Dice系数: {dice_coeff:.4f}")
                            if dice_coeff > 0.5:
                                print("🎉 分割性能显著改善！")
                            elif dice_coeff > 0.1:
                                print("✅ 分割性能有所改善")
                            else:
                                print("⚠️  分割性能仍需改善")
                            return True
        except FileNotFoundError:
            print("📄 日志文件不存在")

        return True

    except Exception as e:
        print(f"❌ 检查失败: {e}")
        return False

def main():
    print("🔍 开始监控Phase 4B训练状态...")
    print("=" * 50)

    for i in range(60):  # 监控60次，每次间隔30秒
        print(f"\n🔄 第 {i+1}/60 次检查 (每30秒)")
        print(f"时间: {time.strftime('%H:%M:%S')}")

        if not check_training_status():
            print("❌ 训练异常，停止监控")
            break

        time.sleep(30)

    print("\n🏁 监控完成")

if __name__ == "__main__":
    main()