import sqlite3
import product, db, recipe

from typing import List
from fastapi import FastAPI, Depends, HTTPException
from fastapi.middleware.cors import CORSMiddleware

app = FastAPI()

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

# Dependency to create SQLite connection
async def get_db():
    sql_db = await db.connect()
    try:
        yield sql_db
    finally:
        sql_db.close()

@app.get("/recipes/parse")
async def parse_recipe_handler(url: str, conn: sqlite3.Connection = Depends(get_db)):
    return await recipe.parse_recipe(conn, url)

@app.get("/recipes/ingredients/parse")
async def parse_ingredients(lines: List[str], conn: sqlite3.Connection = Depends(get_db)):
    ingredients = recipe.parse_ingredient_from_nlp(lines)
    recipe.match_existing_products(conn, ingredients)
    return ingredients

@app.post("/product/")
async def create_product(url: str, conn: sqlite3.Connection = Depends(get_db)):
    p = await product.create_product(url)
    db.insert_product(conn, p)
    return p