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package io.sphere.sdk.payments;

import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
import io.sphere.sdk.annotations.*;
import io.sphere.sdk.customers.Customer;
import io.sphere.sdk.models.Reference;
import io.sphere.sdk.models.Resource;
import io.sphere.sdk.models.WithKey;
import io.sphere.sdk.orders.Order;
import io.sphere.sdk.types.Custom;
import io.sphere.sdk.types.CustomFields;
import io.sphere.sdk.types.TypeDraft;

import javax.annotation.Nullable;
import javax.money.MonetaryAmount;
import java.time.ZonedDateTime;
import java.util.List;

/**
 * Payments hold information about the current state of receiving and/or refunding money, but the process itself is handled by a PSP.
 * They are usually referenced by an {@link Order#getPaymentInfo() Order} or a {@link io.sphere.sdk.carts.Cart#getPaymentInfo() Cart}.
 *
 * @see io.sphere.sdk.payments.commands.PaymentCreateCommand
 * @see io.sphere.sdk.payments.commands.PaymentUpdateCommand
 * @see io.sphere.sdk.payments.commands.PaymentDeleteCommand
 * @see io.sphere.sdk.payments.queries.PaymentByIdGet
 * @see io.sphere.sdk.payments.queries.PaymentQuery
 * @see Order#getPaymentInfo()
 * @see io.sphere.sdk.carts.Cart#getPaymentInfo()
 */
@JsonDeserialize(as = PaymentImpl.class)
@ResourceValue
@HasQueryEndpoint()
@ResourceInfo(pluralName = "payments", pathElement = "payments")
@HasByIdGetEndpoint(javadocSummary = "Retrieves a payment by a known ID.", includeExamples = "io.sphere.sdk.payments.queries.PaymentByIdGetIntegrationTest#execution()")
@HasByKeyGetEndpoint(javadocSummary = "Retrieves a payment by a known key.", includeExamples = "io.sphere.sdk.payments.queries.PaymentByKeyGetIntegrationTest#execution()")
@HasCreateCommand(includeExamples = "io.sphere.sdk.payments.commands.PaymentCreateCommandIntegrationTest#payingPerCreditCart()")
@HasUpdateCommand(javadocSummary = "Updates a payment.", updateWith = "key")
@HasDeleteCommand(deleteWith = "key", includeExamples = "io.sphere.sdk.payments.commands.PaymentDeleteCommandIntegrationTest#execution()", canEraseUsersData = true)
@HasQueryModel
@HasUpdateActions
public interface Payment extends Resource, Custom, WithKey {
    @Nullable
    Reference getCustomer();

    /**
     * The external id  can be used as additional identifier for external systems like CRM or ERP.
     *
     * @return the external id
     *
     * @deprecated This field will be removed with the next major SDK update.
     */
    @Deprecated
    @Nullable
    String getExternalId();

    /**
     * The identifier that is used by the interface that manages the payment (usually the PSP).
     *
     * Can not be changed once it has been set. The combination of {@link #getInterfaceId()}
     * and {@link #getPaymentMethodInfo()}  must be unique.
     *
     * @return the interface id
     */
    @Nullable
    String getInterfaceId();

    MonetaryAmount getAmountPlanned();

    /**
     * @deprecated This field will be removed with the next major SDK update.
     * @return the authorized amount
     */
    @Deprecated
    @Nullable
    MonetaryAmount getAmountAuthorized();

    /**
     * @deprecated This field will be removed with the next major SDK update.
     * @return the authorization limit date
     */
    @Deprecated
    @Nullable
    ZonedDateTime getAuthorizedUntil();

    /**
     * @deprecated This field will be removed with the next major SDK update.
     * @return the paid amount
     */
    @Deprecated
    @Nullable
    MonetaryAmount getAmountPaid();

    /**
     * @deprecated This field will be removed with the next major SDK update.
     * @return the refunded amount
     */
    @Deprecated
    @Nullable
    MonetaryAmount getAmountRefunded();

    @QueryModelHint(type = "PaymentMethodInfoQueryModel", impl = "return new PaymentMethodInfoQueryModelImpl<>(this, fieldName);")
    PaymentMethodInfo getPaymentMethodInfo();

    @Override
    @Nullable
    CustomFields getCustom();

    @QueryModelHint(type = "PaymentStatusQueryModel", impl = "return new PaymentStatusQueryModelImpl<>(this, fieldName);")
    PaymentStatus getPaymentStatus();

    @QueryModelHint(type = "TransactionCollectionQueryModel", impl = "return new TransactionCollectionQueryModelImpl<>(this, fieldName);")
    List getTransactions();

    @IgnoreInQueryModel
    List getInterfaceInteractions();

    /**
     * User-specific unique identifier for the payment.
     *
     * @return the user defined key
     */
    @Nullable
    String getKey();

    /**
     * Identifies payments belonging to an anonymous session (the customer has not signed up/in yet).
     *
     * @return the anonymous id of this payment
     */
    @Nullable
    String getAnonymousId();

    @Override
    default Reference toReference() {
        return Reference.of(referenceTypeId(), getId(), this);
    }

    /**
     * A type hint for references which resource type is linked in a reference.
     * @see Reference#getTypeId()
     * @return type hint
     */
    static String referenceTypeId() {
        return "payment";
    }

    /**
     * Creates a container which contains the full Java type information to deserialize this class from JSON.
     *
     * @see io.sphere.sdk.json.SphereJsonUtils#readObject(byte[], TypeReference)
     * @see io.sphere.sdk.json.SphereJsonUtils#readObject(String, TypeReference)
     * @see io.sphere.sdk.json.SphereJsonUtils#readObject(com.fasterxml.jackson.databind.JsonNode, TypeReference)
     * @see io.sphere.sdk.json.SphereJsonUtils#readObjectFromResource(String, TypeReference)
     *
     * @return type reference
     */
    static TypeReference typeReference() {
        return new TypeReference() {
            @Override
            public String toString() {
                return "TypeReference";
            }
        };
    }

    /**
     * An identifier for this resource which supports {@link CustomFields}.
     * @see TypeDraft#getResourceTypeIds()
     * @see io.sphere.sdk.types.Custom
     * @return ID of this resource type
     */
    static String resourceTypeId() {
        return "payment";
    }

    /**
     * Creates a reference for one item of this class by a known ID.
     *
     * An example for categories but this applies for other resources, too:
     * {@include.example io.sphere.sdk.categories.CategoryTest#referenceOfId()}
     *
     * If you already have a resource object, then use {@link #toReference()} instead:
     *
     * {@include.example io.sphere.sdk.categories.CategoryTest#toReference()}
     *
     * @param id the ID of the resource which should be referenced.
     * @return reference
     */
    static Reference referenceOfId(final String id) {
        return Reference.of(referenceTypeId(), id);
    }
}