import software.amazon.awssdk.auth.credentials.AwsBasicCredentials;
import software.amazon.awssdk.auth.credentials.StaticCredentialsProvider;
import software.amazon.awssdk.services.costexplorer.CostExplorerClient;
import software.amazon.awssdk.services.costexplorer.model.*;

import java.util.List;
import java.util.stream.Collectors;

public class CostExplorerTest {
    public static void main(String[] args) {
        StaticCredentialsProvider credentials = StaticCredentialsProvider.create(
                AwsBasicCredentials.create( Environment.ACCESS_KEY, Environment.SECRET_ACCESS_KEY )
        );

        CostExplorerClient costClient = CostExplorerClient.builder()
                .credentialsProvider( credentials )
                .build();

        DateInterval period = DateInterval.builder()
                .start( "2022-05-01" )
                .end( "2022-05-20" )
                .build();

        GetCostAndUsageResponse result = costClient.getCostAndUsage( GetCostAndUsageRequest.builder()
                .granularity( Granularity.DAILY )
                .timePeriod( period )
                .metrics( "UnblendedCost" )
                .groupBy( GroupDefinition.builder().type( GroupDefinitionType.DIMENSION )
                        .key( "SERVICE" )
                        .build() )
                .build()
        );


        // Mostrar resultados en consola
        for (ResultByTime r : result.resultsByTime()) {
            List<Group> groups = r.groups();
            System.out.println(r.timePeriod());
            groups.forEach( group -> {
                String service = group.keys().stream().collect( Collectors.joining() );
                MetricValue metric = group.metrics().get( "UnblendedCost" );
                System.out.println( service + " - " + metric.amount() + " " + metric.unit() );
            } );
            System.out.println("----------------------------------");
        }
    }
}