from joblib import Memory
import time
import os
import threading
import os
import sys
sys.path.append(os.path.dirname(os.path.dirname(__file__)))

from config import TEMP_DIR

def create_memory(location):
    return Memory(location=location, verbose=0)

def step1(name):
    print(f"{name} 执行步骤1: 获取视频链接")
    time.sleep(1)
    return name, "http://video.com/1.mp4"

def step2(name, video_url):
    print(f"{name} 执行步骤2: 下载视频 {video_url}")
    time.sleep(1)
    return name,"/path/1.mp4"

def step3(name, video_path):
    print(f"{name} 执行步骤3: 提取音频 {video_path}")
    time.sleep(1)
    # raise Exception("微服务器无法访问")
    return name, "/path/1.mp3"

def step4(name, audio_path):
    print(f"{name} 执行步骤4: 计算语音文本 {audio_path}")
    time.sleep(1)
    return name,"语音文本内容"

def user_task(name, memory):
    try:    
        step1_cached = memory.cache(step1)
        step2_cached = memory.cache(step2)
        step3_cached = memory.cache(step3)
        step4_cached = memory.cache(step4)
        
        name, video_url = step1_cached(name)
        name, video_path = step2_cached(name, video_url)
        name, audio_path = step3_cached(name, video_path)
        name, text = step4_cached(name, audio_path)
        print(name, text)
    except Exception as e:
        print(f"出错了: {name} {e}")

def main():
    memory1 = create_memory(os.path.join(TEMP_DIR, "joblib_cache", "user1"))
    memory2 = create_memory(os.path.join(TEMP_DIR, "joblib_cache", "user2"))
    memory3 = create_memory(os.path.join(TEMP_DIR, "joblib_cache", "user3"))
    memory4 = create_memory(os.path.join(TEMP_DIR, "joblib_cache", "user4"))

    user1_task = threading.Thread(target=user_task, args=("user1", memory1))
    user1_task.start()
    
    user2_task = threading.Thread(target=user_task, args=("user2", memory2))
    user2_task.start()
    
    user3_task = threading.Thread(target=user_task, args=("user3", memory3))
    user3_task.start()
    
    user_task("user4", memory4)

if __name__ == "__main__":
    main()