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// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.

package com.microsoft.azure.servicebus.primitives;

import java.time.ZonedDateTime;
import java.util.Locale;
import java.util.UUID;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.CompletionException;
import java.util.concurrent.ExecutionException;

import org.apache.qpid.proton.amqp.Symbol;
import org.apache.qpid.proton.amqp.transport.ErrorCondition;

import com.microsoft.azure.servicebus.amqp.AmqpErrorCode;
import com.microsoft.azure.servicebus.amqp.AmqpException;

public final class ExceptionUtil {
    static Exception toException(ErrorCondition errorCondition) {
        if (errorCondition == null) {
            throw new IllegalArgumentException("'null' errorCondition cannot be translated to ServiceBusException");
        }
        if (errorCondition.getCondition() == ClientConstants.TIMEOUT_ERROR) {
            return new TimeoutException(errorCondition.getDescription());
        } else if (errorCondition.getCondition() == ClientConstants.SERVER_BUSY_ERROR) {
            return new ServerBusyException(errorCondition.getDescription());
        } else if (errorCondition.getCondition() == AmqpErrorCode.NotFound) {
            return new MessagingEntityNotFoundException(errorCondition.getDescription());
        } else if (errorCondition.getCondition() == ClientConstants.ENTITY_DISABLED_ERROR) {
            return new MessagingEntityDisabledException(errorCondition.getDescription());
        } else if (errorCondition.getCondition() == AmqpErrorCode.Stolen) {
            return new ReceiverDisconnectedException(errorCondition.getDescription());
        } else if (errorCondition.getCondition() == AmqpErrorCode.UnauthorizedAccess) {
            return new AuthorizationFailedException(errorCondition.getDescription());
        } else if (errorCondition.getCondition() == AmqpErrorCode.PayloadSizeExceeded) {
            return new PayloadSizeExceededException(errorCondition.getDescription());
        } else if (errorCondition.getCondition() == AmqpErrorCode.InternalError) {
            return new ServiceBusException(true, new AmqpException(errorCondition));
        } else if (errorCondition.getCondition() == ClientConstants.ARGUMENT_ERROR) {
            return new ServiceBusException(false, errorCondition.getDescription(), new AmqpException(errorCondition));
        } else if (errorCondition.getCondition() == ClientConstants.ARGUMENT_OUT_OF_RANGE_ERROR) {
            return new ServiceBusException(false, errorCondition.getDescription(), new AmqpException(errorCondition));
        } else if (errorCondition.getCondition() == AmqpErrorCode.NotImplemented) {
            return new UnsupportedOperationException(errorCondition.getDescription());
        } else if (errorCondition.getCondition() == AmqpErrorCode.NotAllowed) {
            return new UnsupportedOperationException(errorCondition.getDescription());
        } else if (errorCondition.getCondition() == ClientConstants.PARTITION_NOT_OWNED_ERROR) {
            return new ServiceBusException(false, errorCondition.getDescription());
        } else if (errorCondition.getCondition() == ClientConstants.STORE_LOCK_LOST_ERROR) {
            return new ServiceBusException(false, errorCondition.getDescription());
        } else if (errorCondition.getCondition() == AmqpErrorCode.AmqpLinkDetachForced) {
            return new ServiceBusException(true, new AmqpException(errorCondition));
        } else if (errorCondition.getCondition() == AmqpErrorCode.ConnectionForced) {
            return new ServiceBusException(true, new AmqpException(errorCondition));
        } else if (errorCondition.getCondition() == AmqpErrorCode.FramingError) {
            return new ServiceBusException(true, new AmqpException(errorCondition));
        } else if (errorCondition.getCondition() == AmqpErrorCode.ResourceLimitExceeded) {
            return new QuotaExceededException(errorCondition.getDescription());
        } else if (errorCondition.getCondition() == ClientConstants.MESSAGE_LOCK_LOST_ERROR) {
            return new MessageLockLostException(errorCondition.getDescription());
        } else if (errorCondition.getCondition() == ClientConstants.SESSION_LOCK_LOST_ERROR) {
            return new SessionLockLostException(errorCondition.getDescription());
        } else if (errorCondition.getCondition() == ClientConstants.SESSIONS_CANNOT_BE_LOCKED_ERROR) {
            return new SessionCannotBeLockedException(errorCondition.getDescription());
        } else if (errorCondition.getCondition() == ClientConstants.MESSAGE_NOT_FOUND_ERROR) {
            return new MessageNotFoundException(errorCondition.getDescription());
        } else if (errorCondition.getCondition() == ClientConstants.ENTITY_ALREADY_EXISTS_ERROR) {
            return new MessagingEntityAlreadyExistsException(errorCondition.getDescription());
        } else if (errorCondition.getCondition() == AmqpErrorCode.DecodeError) {
            return new ServiceBusException(false, new AmqpException(errorCondition));
        }

        return new ServiceBusException(ClientConstants.DEFAULT_IS_TRANSIENT, errorCondition.toString());
    }

    static  void completeExceptionally(CompletableFuture future, Throwable exception, IErrorContextProvider contextProvider, boolean completeAsynchronously) {
        if (exception != null && exception instanceof ServiceBusException) {
            ErrorContext errorContext = contextProvider.getContext();
            ((ServiceBusException) exception).setContext(errorContext);
        }

        if (completeAsynchronously) {
            AsyncUtil.completeFutureExceptionally(future, exception);
        } else {
            future.completeExceptionally(exception);
        }
    }

    // not a specific message related error
    static boolean isGeneralError(Symbol amqpError) {
        return (amqpError == ClientConstants.SERVER_BUSY_ERROR
                || amqpError == ClientConstants.TIMEOUT_ERROR
                || amqpError == AmqpErrorCode.ResourceLimitExceeded);
    }

    static String getTrackingIDAndTimeToLog() {
        return String.format(Locale.US, "TrackingId: %s, at: %s", UUID.randomUUID().toString(), ZonedDateTime.now());
    }

    static String toStackTraceString(final Throwable exception, final String customErrorMessage) {
        final StringBuilder builder = new StringBuilder();

        if (!StringUtil.isNullOrEmpty(customErrorMessage)) {
            builder.append(customErrorMessage);
            builder.append(System.lineSeparator());
        }

        builder.append(exception.getMessage());
        for (StackTraceElement ste : exception.getStackTrace()) {
            builder.append(System.lineSeparator());
            builder.append(ste.toString());
        }

        Throwable innerException = exception.getCause();
        if (innerException != null) {
            builder.append("Cause: " + innerException.getMessage());
            for (StackTraceElement ste : innerException.getStackTrace()) {
                builder.append(System.lineSeparator());
                builder.append(ste.toString());
            }
        }

        return builder.toString();
    }

    public static Throwable extractAsyncCompletionCause(Throwable completionEx) {
        if (completionEx instanceof CompletionException || completionEx instanceof ExecutionException) {
            return completionEx.getCause();
        } else {
            return completionEx;
        }
    }
}