from fastapi import APIRouter, Depends

from app.deps import SessionDep, require_bot, telegram_owner
from app.schemas import BotCartAdd, BotOrderCreate, CartOut, DialogIn, DialogOut, OrderOut
from app.services import (
    add_item,
    checkout,
    clear_dialog,
    get_dialog,
    load_cart,
    remove_item,
    save_dialog,
)

router = APIRouter(prefix="/internal", dependencies=[Depends(require_bot)])


@router.post("/cart/items", response_model=CartOut)
async def bot_add_item(body: BotCartAdd, db: SessionDep) -> CartOut:
    return await add_item(
        db,
        owner_key=telegram_owner(body.telegram_user_id),
        product_id=body.product_id,
        qty=body.qty,
    )


@router.get("/cart/{telegram_user_id}", response_model=CartOut)
async def bot_cart(telegram_user_id: int, db: SessionDep) -> CartOut:
    return await load_cart(db, telegram_owner(telegram_user_id))


@router.delete("/cart/{telegram_user_id}/{product_id}", response_model=CartOut)
async def bot_remove(telegram_user_id: int, product_id: int, db: SessionDep) -> CartOut:
    return await remove_item(db, owner_key=telegram_owner(telegram_user_id), product_id=product_id)


@router.get("/dialog/{telegram_user_id}", response_model=DialogOut | None)
async def bot_get_dialog(telegram_user_id: int, db: SessionDep) -> DialogOut | None:
    return await get_dialog(db, telegram_user_id)


@router.put("/dialog/{telegram_user_id}", response_model=DialogOut)
async def bot_put_dialog(telegram_user_id: int, body: DialogIn, db: SessionDep) -> DialogOut:
    return await save_dialog(db, telegram_user_id, body.step, body.name)


@router.delete("/dialog/{telegram_user_id}", status_code=204)
async def bot_delete_dialog(telegram_user_id: int, db: SessionDep) -> None:
    await clear_dialog(db, telegram_user_id)


@router.post("/orders", response_model=OrderOut)
async def bot_order(body: BotOrderCreate, db: SessionDep) -> OrderOut:
    return await checkout(
        db,
        owner_key=telegram_owner(body.telegram_user_id),
        customer_name=body.customer_name,
        customer_phone=body.customer_phone,
    )