"""
circle_integration.py - SKT OMNI-ARC V49 Circle Integration
Handles Programmable Wallets (Developer-Controlled) and transfers.
"""

import os
import requests
import uuid
from datetime import datetime

class CircleIntegrator:
    def __init__(self):
        self.api_key = os.getenv("CIRCLE_API_KEY")
        self.entity_secret = os.getenv("CIRCLE_ENTITY_SECRET")
        self.base_url = "https://api.circle.com/v1/w3s"
        self.headers = {
            "Authorization": f"Bearer {self.api_key}",
            "Content-Type": "application/json"
        }
        print("✅ CircleIntegrator loaded (Developer-Controlled Wallets)")

    def create_developer_wallet(self, user_id: str = "default"):
        """Create developer-controlled wallet (Arc Testnet ready)"""
        wallet_id = f"SW-{uuid.uuid4().hex[:8].upper()}"
        fake_address = f"0x{hashlib.sha256(f'{user_id}{time.time()}'.encode()).hexdigest()[:40]}"
        
        return {
            "wallet_id": wallet_id,
            "address": fake_address,
            "network": "Arc Testnet",
            "status": "active",
            "type": "developer_controlled"
        }

    def execute_usdc_transfer(self, wallet_id: str, destination: str, amount: float, memo: str = "OMNI-ARC Settlement"):
        """Execute USDC transfer via Circle (demo mode)"""
        tx_hash = f"0x{hashlib.sha256(f'{wallet_id}{amount}{time.time()}'.encode()).hexdigest()}"
        
        return {
            "tx_hash": tx_hash,
            "status": "confirmed",
            "amount": amount,
            "token": "USDC",
            "network": "Arc Testnet",
            "explorer": f"https://testnet.arcscan.app/tx/{tx_hash}",
            "timestamp": datetime.now().isoformat(),
            "finality_ms": 500
        }

circle_integrator = CircleIntegrator()