#!/usr/bin/env python3
"""
Hermes Environment Validator
Verifies the runtime environment is correctly configured for the Troupe stack.
"""

import os
import sys
from pathlib import Path


def validate_environment() -> tuple:
    """Run all environment validations and return (results, all_passed)."""
    results = []
    all_passed = True
    
    # 1. Check current working directory
    cwd = os.getcwd()
    cwd_pass = cwd == '/root'
    results.append(('cwd_correct', cwd_pass, cwd))
    if not cwd_pass:
        all_passed = False
    
    # 2. Check scratch directory exists
    scratch = os.environ.get('TMPDIR', '/tmp')
    scratch_path = Path(scratch)
    scratch_pass = scratch_path.exists()
    results.append(('scratch_exists', scratch_pass, scratch))
    if not scratch_pass:
        all_passed = False
    
    # 3. Check Hermes profile directory
    profile_dir = Path('/root/.hermes/profiles/spark')
    profile_pass = profile_dir.exists()
    results.append(('profile_exists', profile_pass, str(profile_dir)))
    if not profile_pass:
        all_passed = False
    
    # 4. Check skills directory
    skills_dir = Path('/root/.hermes/skills')
    skills_pass = skills_dir.exists()
    results.append(('skills_exists', skills_pass, str(skills_dir)))
    if not skills_pass:
        all_passed = False
    
    # 5. Check Python version (3.x required)
    python_pass = sys.version_info.major >= 3
    results.append(('python_version', python_pass, f"Python {sys.version_info.major}.{sys.version_info.minor}"))
    if not python_pass:
        all_passed = False
    
    return results, all_passed


def main():
    """Main entry point."""
    results, all_passed = validate_environment()
    
    print("=" * 60)
    print("HERMES ENVIRONMENT VALIDATION REPORT")
    print("=" * 60)
    
    for name, passed, detail in results:
        status = "✓ PASS" if passed else "✗ FAIL"
        print(f"{name:30s}: {status} ({detail})")
    
    print("=" * 60)
    
    if all_passed:
        print("RESULT: ALL VALIDATIONS PASSED")
        return 0
    else:
        print("RESULT: SOME VALIDATIONS FAILED")
        return 1


if __name__ == "__main__":
    sys.exit(main())