main.py

import sys
from analyzer import analyze_log

def main():
    if len(sys.argv) < 2:
        print("Usage: python main.py <logfile>")
        sys.exit(1)

    log_file = sys.argv[1]
    stats = analyze_log(log_file)

    report = []
    report.append("--- Log Analysis Report ---")
    report.append(f"INFO: {stats['INFO']}")
    report.append(f"WARNING: {stats['WARNING']}")
    report.append(f"ERROR: {stats['ERROR']}")
    report.append("\nMost Frequent Errors:")

    for err, count in stats["errors"].items():
        report.append(f"{count}x - {err}")

    # Print to terminal
    for line in report:
        print(line)

    # Write to file
    with open("report.txt", "w") as f:
        f.write("\n".join(report))

if __name__ == "__main__":
    main()