from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from fastapi.staticfiles import StaticFiles
from fastapi.responses import FileResponse
from contextlib import asynccontextmanager
import uvicorn
import logging
import os
from app.routes import routes
from app.db.database import init_db, SessionLocal
from app.services.service_manager import ServiceManager
import logging

# Configure logging
log_file = "app.log"
if os.path.exists(log_file):
    os.remove(log_file)  # Remove existing log file to start fresh

# Create a formatter
formatter = logging.Formatter('%(asctime)s - %(levelname)s - %(name)s - %(message)s')

# Create handlers
console_handler = logging.StreamHandler()
console_handler.setFormatter(formatter)

file_handler = logging.FileHandler(log_file, mode='w', encoding='utf-8')
file_handler.setFormatter(formatter)

# Configure root logger
root_logger = logging.getLogger()
root_logger.setLevel(logging.INFO)
root_logger.addHandler(console_handler)
root_logger.addHandler(file_handler)

# Get logger for this module
logger = logging.getLogger(__name__)
logger.info("Application starting up...")

# Initialize service manager
service_manager = ServiceManager()

@asynccontextmanager
async def lifespan(app: FastAPI):
    # Startup
    init_db()
    logger.info("Database initialized successfully")
    
    # Initialize all services
    await service_manager.initialize_services()
    
    # Start the scheduler
    scheduler = service_manager.get_service('scheduler')
    await scheduler.start_scheduled_tasks()
    logger.info("Scheduler started successfully")
    
    yield
    
    # Shutdown
    await service_manager.cleanup_services()
    logger.info("All services cleaned up successfully")

app = FastAPI(
    title="CCR Cards Management API",
    description="API for managing CCR Cards Inventory, Orders, and more.",
    version="0.1.0",
    lifespan=lifespan
)

# Mount static files directory
app.mount("/static", StaticFiles(directory="app/static"), name="static")

# Serve index.html at root
@app.get("/")
async def read_root():
    return FileResponse('app/static/index.html')

# Serve app.js
@app.get("/app.js")
async def read_app_js():
    return FileResponse('app/static/app.js')

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

app.include_router(routes.router)

if __name__ == "__main__":
    uvicorn.run("app.main:app", host="0.0.0.0", port=8000, reload=True)