package com.amazonaws.iot.rolealias;

import software.amazon.awssdk.services.iot.model.CreateRoleAliasRequest;
import software.amazon.awssdk.services.iot.model.DescribeRoleAliasRequest;
import software.amazon.awssdk.services.iot.model.InvalidRequestException;
import software.amazon.awssdk.services.iot.model.LimitExceededException;
import software.amazon.awssdk.services.iot.model.ResourceAlreadyExistsException;
import software.amazon.cloudformation.exceptions.CfnAlreadyExistsException;
import software.amazon.cloudformation.exceptions.CfnInvalidRequestException;
import software.amazon.cloudformation.exceptions.CfnServiceLimitExceededException;
import software.amazon.cloudformation.proxy.OperationStatus;
import software.amazon.cloudformation.proxy.ProgressEvent;
import software.amazon.cloudformation.proxy.ResourceHandlerRequest;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;

import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
import static org.mockito.ArgumentMatchers.any;
@ExtendWith(MockitoExtension.class)
public class CreateHandlerTest extends RoleAliasTestBase{
    private CreateHandler handler = new CreateHandler();

    @Test
    public void handleRequest_SimpleSuccess() {
        final ResourceModel model = defaultModelBuilder()
                .build();

        final ResourceHandlerRequest<ResourceModel> request = defaultRequestBuilder(model).build();

        when(iotClient.describeRoleAlias(any(DescribeRoleAliasRequest.class)))
                .thenReturn(TEST_DESCRIBE_ROLE_ALIAS_RESPONSE);

        final ProgressEvent<ResourceModel, CallbackContext> response
                = handler.handleRequest(proxy, request, new CallbackContext(), proxyClient, LOGGER);

        assertThat(response).isNotNull();
        assertThat(response.getStatus()).isEqualTo(OperationStatus.SUCCESS);
        assertThat(response.getCallbackContext()).isNull();
        assertThat(response.getCallbackDelaySeconds()).isEqualTo(0);
        assertThat(response.getResourceModel()).isEqualTo(request.getDesiredResourceState());
        assertThat(response.getResourceModels()).isNull();
        assertThat(response.getMessage()).isNull();
        assertThat(response.getErrorCode()).isNull();
    }

    @Test
    public void handleRequest_ResourceConflictFails() {
        final ResourceModel model = defaultModelBuilder().build();
        final ResourceHandlerRequest<ResourceModel> request = defaultRequestBuilder(model).build();
        doThrow(ResourceAlreadyExistsException.builder().resourceId(ROLE_ALIAS).build())
                .when(iotClient)
                .createRoleAlias(any(CreateRoleAliasRequest.class));

        assertThrows(CfnAlreadyExistsException.class, () -> handler.handleRequest(proxy, request, new CallbackContext(), proxyClient, LOGGER));
    }

    @Test
    public void handleRequest_InvalidRequestFails() {
        final ResourceModel model = defaultModelBuilder().build();
        final ResourceHandlerRequest<ResourceModel> request = defaultRequestBuilder(model).build();

        doThrow(InvalidRequestException.builder().build())
                .when(iotClient)
                .createRoleAlias(any(CreateRoleAliasRequest.class));

        assertThrows(CfnInvalidRequestException.class, () -> handler.handleRequest(proxy, request, new CallbackContext(), proxyClient, LOGGER));
    }

    @Test
    public void handleRequest_LimitExceededFails() {
        final ResourceModel model = defaultModelBuilder().build();
        final ResourceHandlerRequest<ResourceModel> request = defaultRequestBuilder(model).build();

        doThrow(LimitExceededException.builder().build())
                .when(iotClient)
                .createRoleAlias(any(CreateRoleAliasRequest.class));

        assertThrows(CfnServiceLimitExceededException.class, () -> handler.handleRequest(proxy, request, new CallbackContext(), proxyClient, LOGGER));
    }
}