from fastapi import FastAPI, HTTPException
from fastapi.middleware.cors import CORSMiddleware
from . import pydentic
from server.database import db
import asyncio

api = FastAPI()

api.add_middleware(
    CORSMiddleware,
    allow_origins=["*"],  # "*" — разрешить всем; можно указать список конкретных доменов
    allow_credentials=True,
    allow_methods=["*"],  # GET, POST, PUT, DELETE и т.д.
    allow_headers=["*"],  # Разрешить любые заголовки
)

@api.get("/", response_model=pydentic.IdofPersons)
async def get_all_rows():
    for row in await db.get_all_rows():
        if row:
            return row
        else:
            raise HTTPException(status_code=404, detail="The user isn't found")
@api.get("/get_user/{id}", response_model=pydentic.IdofPersons)
async def get_user(id:int):
    user = await db.GetUser(id)
    if user:
        return user
    else:
        raise HTTPException(status_code=404, detail="The user isn't found")
@api.post("/user_create", response_model=pydentic.IdofPersons)
async def create_user(row:pydentic.CreateUser):
    new_user_id = max(item.id for item in await db.get_all_rows())
    new_row = pydentic.IdofPersons(id = new_user_id, email=row.email, description=row.description, activated = row.activated, password = row.password)
    await db.CreateUser(new_row)
    return new_row
@api.delete("/user_delete/{id}", response_model=pydentic.IdofPersons)
async def delete_user(id: int):
    user = await db.GetUser(id)
    if not user:
        raise HTTPException(status_code=404, detail="The user isn't found")
    await db.DeleteUser(id)
    return user
@api.put("/user_update/{id}", response_model=pydentic.IdofPersons)
async def update_user(id: int, updated_row: pydentic.UserUpdate):
    user = await db.GetUser(id)
    if not user:
        raise HTTPException(status_code=404, detail="The user isn't found")
    changed = False
    if updated_row.email is not None and updated_row.email != user.email:
        user.email = updated_row.email
        changed = True
    if updated_row.description is not None and updated_row.description != user.description:
        user.description = updated_row.description
        changed = True
    if updated_row.activated is not None and updated_row.activated != user.activated:
        user.activated = updated_row.activated
        changed = True
    if updated_row.password is not None and updated_row.password != user.password:
        user.password = updated_row.password
        changed = True
    if changed:
        await db.UpdateUser(user)
    else:
        pass
    return user