import os
import re
import time
import psutil
import subprocess
from datetime import datetime, timedelta


def monitor():
    pid_list = psutil.pids()
    main_pid_list = []
    for pid in pid_list:
        try:
            process = psutil.Process(pid)
        except:
            continue
        process_cmd = ''
        for c in process.cmdline():
            process_cmd += c + " "
        if process_cmd.strip() == "":
            continue

        if re.search('convert:app', process_cmd):
            # print(pid, process_cmd)
            main_pid_list.append(pid)

    main_pid_list.sort(key=lambda x: x)
    print('main_pid_list', main_pid_list)

    now = datetime.now()
    last_10_min = now - timedelta(minutes=10)
    now = now.strftime("%Y-%m-%d %H:%M:%S")
    last_10_min = last_10_min.strftime("%Y-%m-%d %H:%M:%S")
    now = now[:-4] + '0:00'
    last_10_min = last_10_min[:-4] + '0:00'

    command = "sed -n '/%s/,/%s/p' /convert.out" % (last_10_min, now)
    print('command', command)

    result = subprocess.run(command, check=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True, shell=True)
    text = result.stdout
    text = str(text).split('\n')

    all_free_time = 0
    for pid in main_pid_list:
        print('pid', pid)
        time_len = len('2024-06-07 10:15:12')
        time_finish = None
        free_time = 0
        for line in text:
            line = str(line)
            try:
                if re.search(str(pid), line):
                    if time_finish is not None and re.search('into convert', line):
                        free_time += (datetime.strptime(line[:time_len], "%Y-%m-%d %H:%M:%S")-time_finish).seconds
                        # print('time_finish', str(time_finish), 'time_start', line[:time_len])
                        # print('add free time', free_time)
                    if re.search('is_success', line):
                        time_finish = datetime.strptime(line[:time_len], "%Y-%m-%d %H:%M:%S")
                        # print('set time_finish', line[:time_len])
            except:
                continue
        all_free_time += free_time
        print(pid, 'free time in 10 min:', free_time)
    print(round(all_free_time / len(main_pid_list), 2))

if __name__ == '__main__':
    monitor()