import subprocess
import json
import sys
import time
import os

def is_json(myjson):
    try:
        json_object = json.loads(myjson)
    except ValueError as e:
        return False
    return True

def parse_logs():
    start_time = time.time()
    while True:
        unsuccessful_attempts = 0
        current_retry = 0
        max_retry = 0
        print("Requesting Docker logs...", flush=True)
        process = subprocess.Popen(
            ["docker", "logs", "worker"],
            stdout=subprocess.PIPE,
            stderr=subprocess.STDOUT,
            text=True
        )

        try:
            stdout, stderr = process.communicate()
            if stderr:
                print(f"Error: {stderr.strip()}", flush=True)

            for line in stdout.splitlines():
                #print(f"Line: {line}", flush=True)
                if is_json(line):
                    data = json.loads(line)

                    if data.get("level") == "info" or data.get("level") == "error":
                        print(f"{data['message']}", flush=True)

                    if data.get("msg") == "Send Worker Data to chain" and data.get("message") == "Success":
                        print(f"Success: {data}", flush=True)
                        return True, f"Success after {unsuccessful_attempts} unsuccessful attempts, with current retry {current_retry} out of {max_retry}"
                    elif data.get("msg") == "Send Worker Data to chain" and "Failed, retrying..." in data.get("message", ""):
                        unsuccessful_attempts += 1
                        retry_info = data["message"].split("Retry ")[1].strip("()")
                        current_retry, max_retry = map(int, retry_info.split("/"))
                        if current_retry == max_retry:
                            print(f"Max Retry Reached: {data}", flush=True)
                            return False, "Max Retry Reached"
        except Exception as e:
            print(f"Exception occurred: {e}", flush=True)
        finally:
            process.stdout.close()

        print("Sleeping before next log request...", flush=True)
        time.sleep(30)

        if time.time() - start_time > 30 * 60:
            print("Timeout reached: 30 minutes elapsed without success.", flush=True)
            return False, "Timeout reached: 30 minutes elapsed without success."

    return False, "No Success"

if __name__ == "__main__":
    print("Parsing logs...")    
    result = parse_logs()
    print(result[1])
    if result[0] == False:
        print("Exiting 1...")
        os._exit(1)
    else:
        print("Exiting 0...")
        os._exit(0)