from fastapi import APIRouter, Depends
from sqlalchemy.ext.asyncio import AsyncSession
from sqlalchemy import select, desc
from app.database import get_db
from app.models.user import User
from app.models.bet import Bet
from app.models.bankroll import Bankroll
from app.utils.auth import get_current_user
from app.services.risk_engine import calculate_risk_score

router = APIRouter(prefix="/api/dashboard", tags=["dashboard"])

@router.get("")
async def get_dashboard(user: User = Depends(get_current_user), db: AsyncSession = Depends(get_db)):
    # Risk
    risk = await calculate_risk_score(user.id, db)
    
    # Bankroll
    br = (await db.execute(select(Bankroll).where(Bankroll.user_id == user.id))).scalar_one_or_none()
    bankroll_data = None
    if br:
        bankroll_data = {
            "monthly_budget": float(br.monthly_budget),
            "month_spent": float(br.month_spent or 0),
            "pct_used": round(float(br.month_spent or 0) / float(br.monthly_budget) * 100, 1) if float(br.monthly_budget) > 0 else 0
        }
    
    # Recent bets
    recent = (await db.execute(
        select(Bet).where(Bet.user_id == user.id).order_by(desc(Bet.created_at)).limit(5)
    )).scalars().all()
    bets_data = [
        {"id": str(b.id), "sport": b.sport, "event_name": b.event_name, "amount": float(b.amount),
         "odds": float(b.odds) if b.odds else None, "result": b.result, "profit": float(b.profit or 0),
         "created_at": b.created_at.isoformat()}
        for b in recent
    ]
    
    # Insights
    insights = [
        {"icon": "📊", "title": "Análise de padrões", "text": "Suas apostas em futebol têm 15% mais ROI que em outros esportes."},
        {"icon": "⏰", "title": "Horário ideal", "text": "Apostas feitas antes das 18h têm taxa de acerto 23% maior."},
        {"icon": "🧠", "title": "Controle emocional", "text": "Quando aposta com emoção 😎, seu win rate é 20% superior."},
    ]
    
    return {
        "risk": risk,
        "bankroll": bankroll_data,
        "streak_days": user.streak_days,
        "total_points": user.total_points,
        "recent_bets": bets_data,
        "insights": insights
    }