"""FastAPI application entry point."""
from contextlib import asynccontextmanager

from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from fastapi.middleware.trustedhost import TrustedHostMiddleware

from app.config import settings
from app.api.v1 import auth, tenants, users, roles, api_keys, billing, audit, reports, plugins, dashboard
from app.database import engine, Base
from app.core.exceptions import setup_exception_handlers


@asynccontextmanager
async def lifespan(app: FastAPI):
    """Application lifespan handler."""
    # Startup
    async with engine.begin() as conn:
        await conn.run_sync(Base.metadata.create_all)
    yield
    # Shutdown
    await engine.dispose()


app = FastAPI(
    title="LandveX Admin API",
    description="Admin backend API for LandveX Enterprise Platform",
    version="1.0.0",
    lifespan=lifespan,
)

# Security middleware
app.add_middleware(
    CORSMiddleware,
    allow_origins=settings.CORS_ORIGINS,
    allow_credentials=True,
    allow_methods=["GET", "POST", "PUT", "PATCH", "DELETE", "OPTIONS"],
    allow_headers=["*"],
    expose_headers=["X-Request-ID"],
)

app.add_middleware(
    TrustedHostMiddleware,
    allowed_hosts=settings.ALLOWED_HOSTS,
)

# Exception handlers
setup_exception_handlers(app)

# API routes
app.include_router(auth.router, prefix="/api/v1/auth", tags=["Auth"])
app.include_router(tenants.router, prefix="/api/v1/tenants", tags=["Tenants"])
app.include_router(users.router, prefix="/api/v1/users", tags=["Users"])
app.include_router(roles.router, prefix="/api/v1/roles", tags=["Roles"])
app.include_router(api_keys.router, prefix="/api/v1/api-keys", tags=["API Keys"])
app.include_router(billing.router, prefix="/api/v1/billing", tags=["Billing"])
app.include_router(audit.router, prefix="/api/v1/audit-logs", tags=["Audit Logs"])
app.include_router(reports.router, prefix="/api/v1/reports", tags=["Reports"])
app.include_router(plugins.router, prefix="/api/v1/plugins", tags=["Plugins"])
app.include_router(dashboard.router, prefix="/api/v1/dashboard", tags=["Dashboard"])


@app.get("/health")
async def health_check():
    """Health check endpoint."""
    return {"status": "healthy", "version": "1.0.0"}