import uvicorn
from fastapi import FastAPI, Request
from fastapi.responses import JSONResponse
from pydantic import ValidationError

from app.api.errors import (
    ItemNotFoundException,
    validation_exception_handler,
    item_not_found_handler,
)
from app.api.router import api_router
from app.core.config import settings

app = FastAPI(
    title=settings.PROJECT_NAME,
    description=settings.PROJECT_DESCRIPTION,
    version=settings.VERSION,
    openapi_url=f"{settings.API_V1_STR}/openapi.json",
    docs_url="/docs",
    redoc_url="/redoc",
)

# Exception handlers
app.add_exception_handler(ValidationError, validation_exception_handler)
app.add_exception_handler(ItemNotFoundException, item_not_found_handler)


@app.exception_handler(Exception)
async def generic_exception_handler(request: Request, exc: Exception):
    return JSONResponse(
        status_code=500,
        content={"detail": "Internal server error"},
    )


app.include_router(api_router, prefix=settings.API_V1_STR)


@app.get("/")
def root():
    """
    Root endpoint with API information.
    """
    return {
        "name": settings.PROJECT_NAME,
        "version": settings.VERSION,
        "docs": "/docs",
        "redoc": "/redoc",
    }


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