from aws_lambda_powertools import Logger
from aws_lambda_powertools.utilities.data_classes import (
    EventBridgeEvent,
    event_source,
)
from aws_lambda_powertools.utilities.typing import LambdaContext
from layercake.dateutils import now, ttl
from layercake.dynamodb import (
    DynamoDBPersistenceLayer,
    KeyPair,
    SortKey,
    TransactKey,
)

from boto3clients import dynamodb_client
from config import (
    IUGU_ACCOUNT_ID,
    IUGU_API_TOKEN,
    IUGU_POSTBACK_URL,
    IUGU_TEST_MODE,
    ORDER_TABLE,
)
from iugu import Credentials, Iugu, Order

logger = Logger(__name__)
dyn = DynamoDBPersistenceLayer(ORDER_TABLE, dynamodb_client)
iugu = Iugu(
    Credentials(
        IUGU_ACCOUNT_ID,
        IUGU_API_TOKEN,
        test_mode=IUGU_TEST_MODE,
    )
)


@event_source(data_class=EventBridgeEvent)
@logger.inject_lambda_context
def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool:
    new_image = event.detail['new_image']
    now_ = now()
    order_id = new_image['id']
    r = dyn.collection.get_items(
        TransactKey(order_id)
        + SortKey('ADDRESS', rename_key='address')
        + SortKey('ITEMS', path_spec='items', rename_key='items')
        + SortKey('CREDIT_CARD#PAYMENT_INTENT', rename_key='credit_card'),
        flatten_top=False,
    )

    payment_method = new_image['payment_method']
    is_pix = payment_method == 'PIX'
    is_bank_slip = payment_method == 'BANK_SLIP'

    invoice = iugu.create_invoice(
        order=Order(
            address=r.get('address', {}),
            items=r.get('items', []),
            **new_image,
        ),
        postback_url=f'{IUGU_POSTBACK_URL}/{order_id}/postback',
    )

    try:
        with dyn.transact_writer() as transact:
            transact.put(
                item={
                    'id': order_id,
                    'sk': 'INVOICE',
                    'payment_method': payment_method,
                    'invoice_id': invoice['secure_id'],
                    'secure_url': invoice['secure_url'],
                    'created_at': now_,
                    # Uncomment this when adding for multiple payment providers
                    # 'payment_provider': 'iugu',
                }
                | ({'bank_slip': invoice['bank_slip']} if is_bank_slip else {})
                | ({'pix': invoice['pix']} if is_pix else {}),
                cond_expr='attribute_not_exists(sk)',
            )

            if 'credit_card' in r:
                transact.delete(
                    key=KeyPair(order_id, 'CREDIT_CARD#PAYMENT_INTENT'),
                )
                transact.put(
                    item={
                        'id': order_id,
                        'sk': 'TRANSACTION',
                        'invoice_id': invoice['secure_id'],
                        'credit_card': r['credit_card'],
                        'installments': int(new_image.get('installments', 1)),
                        'ttl': ttl(start_dt=now_, minutes=5),
                        'created_at': now_,
                    },
                    cond_expr='attribute_not_exists(sk)',
                )

    except Exception:
        pass

    return True