from fastapi import FastAPI, Request
from fastapi.middleware.cors import CORSMiddleware
from fastapi.responses import JSONResponse
import uvicorn
import logging
from datetime import datetime

from app.api import license, version
from app.core.config import settings
from app.db.database import engine, Base

logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)

Base.metadata.create_all(bind=engine)

app = FastAPI(
    title="License Server API",
    description="API for software license management",
    version="1.0.0",
    docs_url="/docs" if settings.DEBUG else None,
    redoc_url="/redoc" if settings.DEBUG else None,
)

app.add_middleware(
    CORSMiddleware,
    allow_origins=settings.ALLOWED_ORIGINS,
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

@app.exception_handler(Exception)
async def global_exception_handler(request: Request, exc: Exception):
    logger.error(f"Global exception: {str(exc)}", exc_info=True)
    return JSONResponse(
        status_code=500,
        content={"detail": "Internal server error"}
    )

@app.get("/")
async def root():
    return {
        "status": "online",
        "service": "License Server",
        "timestamp": datetime.utcnow().isoformat()
    }

@app.get("/health")
async def health_check():
    return {
        "status": "healthy",
        "timestamp": datetime.utcnow().isoformat()
    }

app.include_router(license.router, prefix="/api/license", tags=["license"])
app.include_router(version.router, prefix="/api/version", tags=["version"])

if __name__ == "__main__":
    uvicorn.run(
        "app.main:app",
        host="0.0.0.0",
        port=8443,
        reload=settings.DEBUG
    )