from flask import jsonify, request
from app.payment import payment
from app import db
from app.classes.customer import Customer_Customer
from app.classes.cards import Card_Card, Card_Card_schema
from flask_login import current_user


def set_card_main(user_id, card_id):
    """
    updates a card of a user
    """
    get_card_count = (
         db.session 
        .query(Card_Card) 
        .filter(Card_Card.user_id == user_id) 
        .count()
        )
    
    get_card = (
         db.session 
        .query(Card_Card) 
        .filter(Card_Card.user_id == user_id) 
        .filter(Card_Card.id == card_id) 
        .first()
        )

    if get_card_count > 0:
        get_old_card = (
             db.session 
            .query(Card_Card) 
            .filter(Card_Card.main_card == True) 
            .filter(Card_Card.user_id == user_id) 
            .first()
        )

        get_old_card.main_card = False
        get_card.main_card = True

        db.session.add(get_old_card)
        db.session.commit()
    else:


        get_card.main_card = True

        db.session.add(get_card)
        db.session.commit()


@payment.route("/cards/<int:user_id>", methods=["GET"])
def get_user_cards(user_id):
    """
    gets all cards of a user
    """
    get_u_cards = db.session \
        .query(Card_Card) \
        .filter(Card_Card.user_id == user_id) \
        .all()

    card_schema = Card_Card_schema(many=True)
    return jsonify(card_schema.dump(get_u_cards))


@payment.route("/cards/onfile/<int:user_id>", methods=["GET"])
def get_user_cards_count(user_id):
    """
    gets all cards of a user
    """

    get_u_cards = db.session \
        .query(Card_Card) \
        .filter(Card_Card.user_id == user_id) \
        .count()

    return jsonify({
        "ok": True,
        'cards': get_u_cards,
    }), 200


@payment.route("/card/<int:card_id>", methods=["GET"])
def get_user_specific_card(card_id):
    """
    gets a specific card of a user
    """

    get_user_card = db.session \
        .query(Card_Card) \
        .filter(Card_Card.id == card_id) \
        .first()

    card_schema = Card_Card_schema(many=False)
    return jsonify(card_schema.dump(get_user_card))


@payment.route("/card/create/<int:user_id>", methods=["POST"])
def create_user_card(user_id):
    """
    adds a card of a user
    """

    get_customer = db.session \
        .query(Customer_Customer) \
        .filter(Customer_Customer.id == user_id) \
        .first()

    name_on_card = request.json["card_name"]
    expiration_month = request.json["expiration_month"]
    expiration_year = request.json["expiration_year"]
    type_of_card = request.json["type_of_card"]
    security_number = request.json["security_number"]
    main_card = request.json["main_card"]

    card_number = request.json["card_number"]
    last_four = card_number[-4]

    create_new_card = Card_Card(
        user_id=get_customer.id,
        card_number=card_number,
        last_four_digits=last_four,
        name_on_card=name_on_card,
        expiration_month=expiration_month,
        expiration_year=expiration_year,
        type_of_card=type_of_card,
        security_number=security_number,
        accepted_or_declined=None,
        main_card=main_card,
    )
    db.session.flush()
    if main_card is True:
        set_card_main(user_id=get_customer.id, card_id=create_new_card.id)
    db.session.add(create_new_card)
    db.session.commit()

    return jsonify({"ok": True}), 200


@payment.route("/card/main/<int:card_id>/<int:user_id>", methods=["PUT"])
def set_main_card(user_id, card_id):
    """
    updates a card of a user
    """

    get_new_main_card = db.session \
        .query(Card_Card) \
        .filter(Card_Card.user_id == user_id) \
        .filter(Card_Card.id == card_id) \
        .first()

    get_other_card = db.session \
        .query(Card_Card) \
        .filter(Card_Card.main_card == True) \
        .filter(Card_Card.user_id == user_id) \
        .first()
    if get_other_card is not None:
        get_other_card.main_card = False
        db.session.add(get_other_card)
    get_new_main_card.main_card = True

    db.session.add(get_new_main_card)
    db.session.commit()

    return jsonify({"ok": True}), 200


@payment.route("/card/edit/<int:card_id>", methods=["PUT"])
def update_user_card(card_id):
    """
    edits a card
    """

    get_card = db.session \
        .query(Card_Card) \
        .filter(Card_Card.id == card_id) \
        .first()

    get_customer = db.session \
        .query(Customer_Customer) \
        .filter(Customer_Customer.id == get_card.user_id) \
        .first()
    name_on_card = request.json["card_name"]
    expiration_month = request.json["expiration_month"]
    expiration_year = request.json["expiration_year"]
    type_of_card = request.json["type_of_card"]
    security_number = request.json["security_number"]
    card_number = request.json["card_number"]
    main_card = request.json["main_card"]

    get_card.user_id = get_customer.id
    get_card.card_number = card_number
    get_card.name_on_card = name_on_card
    get_card.expiration_month = expiration_month
    get_card.expiration_year = expiration_year
    get_card.type_of_card = type_of_card
    get_card.security_number = security_number
    get_card.main_card = main_card

    if main_card is True:
        set_card_main(user_id=get_customer.id, card_id=get_card.id)

    db.session.add(get_card)
    db.session.commit()

    return jsonify({"ok": True}), 200


@payment.route("/card/remove/<int:card_id>", methods=["DELETE"])
def remove_user_card(card_id):
    """
    removes a card 
    """

    get_card = db.session \
        .query(Card_Card) \
        .filter(Card_Card.id == card_id) \
        .first()

    db.session.delete(get_card)
    db.session.commit()

    return jsonify({"ok": True}), 200