"""
Mulita - Photo Management Application
Main FastAPI application entry point
"""
from contextlib import asynccontextmanager
from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from fastapi.staticfiles import StaticFiles
import logging
import os

from app.config import settings
from app.database import init_db
from app.routers import photos, folders, heaps, tags, trash, library
from app.services.scanner import start_initial_scan

# Configure logging
logging.basicConfig(
    level=logging.INFO,
    format='%(asctime)s - %(name)s - %(levelname)s - %(message)s'
)
logger = logging.getLogger(__name__)

@asynccontextmanager
async def lifespan(app: FastAPI):
    """Manage application lifecycle"""
    logger.info("Starting Mulita application...")
    
    # Initialize database
    await init_db()
    
    # Start initial scan if configured
    if settings.scanner.initial_scan_on_start:
        logger.info("Starting initial library scan...")
        await start_initial_scan()
    
    yield
    
    logger.info("Shutting down Mulita application...")

# Create FastAPI app
app = FastAPI(
    title="Mulita Photo Management API",
    description="Self-hosted photo management application inspired by Lightroom",
    version="1.0.0",
    lifespan=lifespan
)

# Configure CORS
app.add_middleware(
    CORSMiddleware,
    allow_origins=["http://localhost:3000", "http://localhost:5173"],  # Frontend URLs
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

# Mount static files for serving thumbnails (with X-Accel-Redirect support)
if os.path.exists("/data/thumbs"):
    app.mount("/thumbs", StaticFiles(directory="/data/thumbs"), name="thumbs")

# Include routers
app.include_router(photos.router, prefix="/api/v1/photos", tags=["photos"])
app.include_router(folders.router, prefix="/api/v1/folders", tags=["folders"])
app.include_router(heaps.router, prefix="/api/v1/heaps", tags=["heaps"])
app.include_router(tags.router, prefix="/api/v1/tags", tags=["tags"])
app.include_router(trash.router, prefix="/api/v1/trash", tags=["trash"])
app.include_router(library.router, prefix="/api/v1/library", tags=["library"])

@app.get("/")
async def root():
    """Root endpoint"""
    return {
        "name": "Mulita Photo Management API",
        "version": "1.0.0",
        "status": "running"
    }

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