from typing import Optional

from lnbits.core.crud import create_payment
from lnbits.helpers import urlsafe_short_hash
from lnbits.settings import Settings, read_only_variables, settings
from lnbits.tasks import internal_invoice_queue

from . import db
from .models import AdminSettings, UpdateSettings


async def update_wallet_balance(wallet_id: str, amount: int):
    internal_id = f"internal_{urlsafe_short_hash()}"

    payment = await create_payment(
        wallet_id=wallet_id,
        checking_id=internal_id,
        payment_request="admin_internal",
        payment_hash="admin_internal",
        amount=amount * 1000,
        memo="Admin top up",
        pending=False,
    )
    # manually send this for now
    await internal_invoice_queue.put(internal_id)

    return payment


async def get_settings() -> AdminSettings:
    row = await db.fetchone("SELECT * FROM admin.settings")
    all_settings = Settings(**row)
    settings = AdminSettings()
    for key, value in row.items():
        if hasattr(settings, key):
            setattr(settings, key, getattr(all_settings, key))
    return settings


async def update_settings(data: UpdateSettings) -> Optional[Settings]:
    fields = []
    for key, value in data.dict(exclude_none=True).items():
        setattr(settings, key, value)
        if not key in read_only_variables:
            if type(value) == list:
                joined = ",".join(value)
                fields.append(f"{key} = '{joined}'")
            if type(value) == int or type(value) == float:
                fields.append(f"{key} = {value}")
            if type(value) == bool:
                fields.append(f"{key} = {'true' if value else 'false'}")
            if type(value) == str:
                value = value.replace("'", "")
                fields.append(f"{key} = '{value}'")

    q = ", ".join(fields)
    await db.execute(f"UPDATE admin.settings SET {q}")
    row = await db.fetchone("SELECT * FROM admin.settings")
    assert row, "Newly updated settings couldn't be retrieved"
    return Settings(**row) if row else None


async def delete_settings():
    await db.execute("DELETE FROM admin.settings")