#!/usr/bin/env python3
# ==============================================================================
# COPYRIGHT NO ONE EVERYWHERE LLC (WYOMING HOLDING COMPANY)
# PROJECT: SOVEREIGN STACK
# This artifact is entirely proprietary and cryptographically proven.
# Open-Source usage requires explicit permission from Brandon Scott Schneider.
# ==============================================================================
import hashlib
import json
import time
import math
from datetime import datetime, timezone
from pathlib import Path

def get_clock_jitter(samples=1000):
    """Measure the 'clunkiness' of the local oscillator."""
    deltas = []
    for _ in range(samples):
        t0 = time.perf_counter_ns()
        t1 = time.perf_counter_ns()
        deltas.append(t1 - t0)
    
    # Use the least significant bits of the variance as entropy
    mean = sum(deltas) / float(samples)
    variance = sum((float(x) - mean) ** 2 for x in deltas) / float(samples)
    return variance

def generate_ppowe_proof(report_path: str, hardware_seed: str):
    """Generate a Hardware-Bound Proof of Execution (PPoW)."""
    report_content = Path(report_path).read_text()
    report_hash = hashlib.sha256(report_content.encode()).hexdigest()
    
    jitter = get_clock_jitter()
    jitter_seed = f"{jitter:.15f}"
    
    # Bind Report + Muon Seed + Jitter
    witness_preimage = f"{report_hash}|{hardware_seed}|{jitter_seed}".encode()
    witness_hash = hashlib.sha256(witness_preimage).hexdigest()
    
    proof = {
        "type": "PPoW_Audit_Binding_v1",
        "target_report": report_path,
        "report_hash": report_hash,
        "hardware_origin": "Vredefort_Muon_DET-V-02",
        "hardware_seed": hardware_seed,
        "jitter_entropy_source": "Local_Oscillator_Jitter",
        "jitter_seed": jitter_seed,
        "witness_commitment": witness_hash,
        "timestamp_utc": datetime.now(timezone.utc).isoformat()
    }
    
    out_path = Path("5-Applications/out/ppow_audit_proof.json")
    out_path.parent.mkdir(parents=True, exist_ok=True)
    out_path.write_text(json.dumps(proof, indent=2))
    return out_path, proof

if __name__ == "__main__":
    # Use the "Alpha Target" Muon Flux from the baseline
    # MUON-004: 1.35e-2
    muon_seed = "1.35e-2"
    report = "5-Applications/out/spyvsspy_analyst_findings.md"
    
    print(f"[*] Generating PPoW for {report}...")
    proof_path, proof = generate_ppowe_proof(report, muon_seed)
    
    print(f"[+] Proof Generated: {proof_path}")
    print(f"    Witness Commitment: {proof['witness_commitment']}")
    print(f"    Jitter Entropy: {proof['jitter_seed']}")