import sys, os
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))

from uuid import uuid4
from fastapi import FastAPI

from fastapi.responses import JSONResponse
from pydantic import BaseModel
from producer import OrderProducer

app = FastAPI()
producer = OrderProducer()
orders_db: list[dict] = []

class OrderItem(BaseModel):
    dish_id: int
    name: str
    price: float

class CreateOrderDto(BaseModel):
    customer_id: int
    restaurant_id: int
    items: list[OrderItem]

@app.post("/orders")
async def place_order(payload: CreateOrderDto):
    order = {
        "order_id": uuid4().hex,
        "customer_id": payload.customer_id,
        "restaurant_id": payload.restaurant_id,
        "items": [ item.model_dump() for item in payload.items ],
        "total_amount": sum([ item.price for item in payload.items ])
    }

    producer.publish_order_created(order)

    return JSONResponse(
        status_code= 202,
        content= {"message": "Commande acceptee", "order_id": order["order_id"]}
    )