#!/usr/bin/env python3
"""
Demo script to run the SOP Compliance Analyzer
"""

import subprocess
import sys
import os

def main():
    print("SOP Compliance Analyzer Demo")
    print("============================")
    print()
    print("This demo will run the activity analyzer on the sample video.")
    print("The analyzer will:")
    print("1. Detect people in the video")
    print("2. Track them across frames")
    print("3. Estimate their poses")
    print("4. Classify their activities")
    print("5. Check for SOP compliance")
    print("6. Generate a compliance report")
    print("7. Save annotated video with labels to MP4 format")
    print()
    print("Press 'q' at any time to quit the video display.")
    print()
    input("Press Enter to start the analysis...")
    
    # Run the activity analyzer
    try:
        result = subprocess.run([sys.executable, "activity_analyzer.py"], 
                              capture_output=True, text=True, timeout=300)
        
        print("\nAnalysis completed!")
        print(f"Return code: {result.returncode}")
        
        if result.stdout:
            print("\nOutput:")
            print(result.stdout)
            
        if result.stderr:
            print("\nErrors:")
            print(result.stderr)
            
    except subprocess.TimeoutExpired:
        print("Analysis timed out after 5 minutes")
    except Exception as e:
        print(f"Error running analysis: {e}")
        
    # Check if report was generated
    if os.path.exists("compliance_report.json"):
        print("\nCompliance report generated successfully!")
        # Get file size
        size = os.path.getsize("compliance_report.json")
        print(f"Report size: {size} bytes")
    else:
        print("\nNo compliance report found.")
        
    print("\nDemo completed.")

if __name__ == "__main__":
    main()