#!/usr/bin/env python3
"""
Example: Run ISO Safety Checker on the bundled representative trajectories.

Usage:
    python examples/check_samples.py
    
    # Or check your own data:
    python examples/check_samples.py --input path/to/your_data.json
"""

import json
import sys
import os

# Add parent directory to path
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))

from iso_safety_checker import ISOComplianceChecker
from iso_safety_checker.report import export_json, export_csv


def main():
    # Parse args
    input_file = None
    if len(sys.argv) > 2 and sys.argv[1] == "--input":
        input_file = sys.argv[2]
    
    # Load data
    if input_file:
        print(f"Loading: {input_file}")
        with open(input_file, 'r', encoding='utf-8') as f:
            data = json.load(f)
    else:
        # Use bundled representative trajectories
        default_path = os.path.join(
            os.path.dirname(os.path.dirname(os.path.abspath(__file__))),
            "data", "representative_trajectories.json"
        )
        print(f"Loading bundled dataset: {default_path}")
        with open(default_path, 'r', encoding='utf-8') as f:
            data = json.load(f)
    
    # Initialize checker
    fleet = data.get("metadata", {}).get("robot_fleet", {})
    checker = ISOComplianceChecker(robot_fleet=fleet)
    
    samples = data.get("samples", [])
    print(f"Loaded {len(samples)} samples")
    print("=" * 60)
    
    # Check each sample
    reports = []
    for sample in samples:
        report = checker.check_sample(sample)
        reports.append(report)
        
        # Print summary
        status = "PASS" if report.overall_pass else "FAIL"
        print(f"[{status}] {report.sample_id} | "
              f"{report.robot_type} | {report.action_type} | "
              f"Score: {report.compliance_score}/100")
        
        # Show failures
        if not report.overall_pass:
            for check in report.checks:
                if check.severity in ("FAIL", "CRITICAL"):
                    print(f"  -> {check.check_name}: {check.message}")
    
    # Summary
    print("\n" + "=" * 60)
    print("SUMMARY")
    print("=" * 60)
    total = len(reports)
    passed = sum(1 for r in reports if r.overall_pass)
    avg_score = sum(r.compliance_score for r in reports) / total if total else 0
    print(f"  Total:    {total}")
    print(f"  Passed:   {passed}")
    print(f"  Failed:   {total - passed}")
    print(f"  Pass Rate: {passed/total*100:.1f}%" if total else "  Pass Rate: N/A")
    print(f"  Avg Score: {avg_score:.1f}/100")
    
    # Export reports
    output_dir = os.path.dirname(os.path.abspath(__file__))
    export_json(reports, os.path.join(output_dir, "compliance_report.json"))
    export_csv(reports, os.path.join(output_dir, "compliance_report.csv"))
    
    print("\nDone! Reports saved to examples/compliance_report.{json,csv}")


if __name__ == "__main__":
    main()