"""Wallet Memory Router — clustering, entity resolution, label lookup, risk scoring.

Connects wallets to identities, clusters related addresses, and provides
risk scores based on on-chain behavior patterns.

These endpoints integrate with the RMI backend's wallet clustering and
label systems when available.
"""

from __future__ import annotations

import logging

from fastapi import APIRouter, HTTPException

from wallet_engine.chains import CHAINS, validate_address

logger = logging.getLogger("wp.wallet_memory")

router = APIRouter(prefix="/api/v1/wallet-memory", tags=["Wallet Memory"])


@router.post("/cluster")
async def cluster_wallets(addresses: list[str], method: str = "behavioral"):
    """Cluster wallet addresses by behavioral patterns or shared ownership.

    Behavioral clustering groups wallets that exhibit similar on-chain
    behavior (same DEX usage patterns, same timeframes, same DApps).
    This is the same technique used by chain analytics firms.

    Trust: Clustering is probabilistic, not deterministic. Two wallets
    in the same cluster likely (but not certainly) share an owner.
    """
    return {
        "clusters": [{"addresses": addresses, "method": method, "confidence": None}],
        "total_clusters": 1,
        "method": method,
        "note": "Full clustering requires on-chain data access. Configure RPC/API keys.",
    }


@router.get("/resolve/{address}")
async def resolve_entity(address: str):
    """Resolve a wallet address to a known entity or label.

    Tries to identify the wallet owner from known labels:
    - Exchange wallets (Binance, Coinbase, etc.)
    - DeFi protocol wallets
    - Known scam/phishing addresses
    - Previously labeled wallets

    Trust: Labels come from public sources and community contributions.
    We don't fabricate labels. Unknown addresses return empty results.
    """
    return {
        "address": address,
        "entity": None,
        "labels": [],
        "category": "unknown",
        "note": "Enable RMI label database integration for 39M+ wallet labels.",
    }


@router.get("/labels/{address}")
async def wallet_labels(address: str):
    """Get all known labels for a wallet address.

    Labels are community-sourced and curated. Each label includes
    the source and confidence level.
    """
    return {
        "address": address,
        "labels": [],
        "total": 0,
        "note": "Enable RMI label sync for 39M+ entries across 89 chains.",
    }


@router.get("/risk/{address}")
async def risk_score(address: str, chain: str = "solana"):
    """Get risk score for a wallet address.

    Scores range from 0 (safe) to 100 (high risk). Factors include:
    - Known scam/phishing associations
    - Mixer/tumbler usage
    - Wash trading patterns
    - Honeypot token interactions
    - Liquidity pool dumps

    Trust: Risk scores are based on public on-chain data only.
    We never fabricate risk assessments.
    """
    chain_info = CHAINS.get(chain.lower())
    if not chain_info:
        raise HTTPException(status_code=400, detail=f"Unsupported chain: {chain}")

    if not validate_address(chain, address):
        raise HTTPException(status_code=400, detail="Invalid address format")

    return {
        "address": address,
        "chain": chain,
        "risk_score": 0,
        "risk_level": "unknown",
        "factors": [],
        "note": "Full risk assessment requires scanner integration (RMI backend).",
    }
