"""
Numidium Backend - Main Application
Plataforma de Inteligência e Análise de Dados
"""
from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from contextlib import asynccontextmanager

from app.config import settings
from app.core.database import init_db
from app.api.routes import entities, relationships, events, search, ingest


@asynccontextmanager
async def lifespan(app: FastAPI):
    """Startup and shutdown events"""
    # Startup: Initialize database
    init_db()
    print("🚀 Numidium Backend started!")
    print(f"📊 Database: {settings.database_url}")
    yield
    # Shutdown
    print("👋 Numidium Backend shutting down...")


# Create FastAPI app
app = FastAPI(
    title="Numidium API",
    description="""
    ## 🔮 Sistema de Inteligência e Análise de Dados
    
    Backend do VANTAGE - Uma plataforma para:
    - 📥 Ingestão de dados de múltiplas fontes (Wikipedia, News, Manual)
    - 🔗 Mapeamento de conexões entre entidades
    - 🗺️ Visualização geográfica
    - 📊 Análise de grafos e relacionamentos
    - 🔍 Busca global
    """,
    version=settings.app_version,
    lifespan=lifespan
)

# CORS middleware
app.add_middleware(
    CORSMiddleware,
    allow_origins=settings.cors_origins,
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

# Include routers
app.include_router(entities.router, prefix="/api/v1")
app.include_router(relationships.router, prefix="/api/v1")
app.include_router(events.router, prefix="/api/v1")
app.include_router(search.router, prefix="/api/v1")
app.include_router(ingest.router, prefix="/api/v1")


@app.get("/")
def root():
    """Root endpoint - API info"""
    return {
        "name": "Numidium",
        "version": settings.app_version,
        "status": "online",
        "docs": "/docs",
        "description": "Sistema de Inteligência e Análise de Dados"
    }


@app.get("/health")
def health_check():
    """Health check endpoint for HF Spaces"""
    return {"status": "healthy"}


@app.get("/api/v1")
def api_info():
    """API v1 info"""
    return {
        "version": "1.0.0",
        "endpoints": {
            "entities": "/api/v1/entities",
            "relationships": "/api/v1/relationships",
            "events": "/api/v1/events",
            "search": "/api/v1/search",
            "ingest": "/api/v1/ingest"
        }
    }