from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from fastapi.staticfiles import StaticFiles
from pathlib import Path
from app.database import create_db_and_tables
from app.config import get_settings
from app.routers import auth, departments, channels, messages, files, websocket, snippets, admin, direct_messages

settings = get_settings()

app = FastAPI(
    title="Team Chat API",
    description="Internal chat application similar to Microsoft Teams",
    version="1.0.0"
)

# CORS middleware
app.add_middleware(
    CORSMiddleware,
    allow_origins=[
        settings.frontend_url, 
        "http://localhost:5173", 
        "http://localhost:3000",
        "https://collabrix.apex-project.de",
        "http://collabrix.apex-project.de"
    ],
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

# Mount uploads directory as static files
# Get the directory where this file is located
current_dir = Path(__file__).parent.parent
uploads_dir = current_dir / "uploads"
uploads_dir.mkdir(exist_ok=True)
app.mount("/uploads", StaticFiles(directory=str(uploads_dir)), name="uploads")


# Event handlers
@app.on_event("startup")
def on_startup():
    """Create database tables on startup"""
    create_db_and_tables()


# Include routers
app.include_router(auth.router)
app.include_router(admin.router)
app.include_router(departments.router)
app.include_router(channels.router)
app.include_router(messages.router)
app.include_router(direct_messages.router)
app.include_router(files.router)
app.include_router(snippets.router)
app.include_router(websocket.router)


@app.get("/")
def read_root():
    """Root endpoint"""
    return {
        "message": "Welcome to Team Chat API",
        "docs": "/docs",
        "version": "1.0.0"
    }


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