//! Builds a container with a bunch of extra options for testing
#![allow(unused_variables, unused_mut)]

#[tokio::main]
async fn main() {
    #[cfg(feature = "buildkit")]
    {
        use bollard::grpc::driver::docker_container::DockerContainerBuilder;
        use bollard::Docker;
        use std::io::Write;

        let mut docker = Docker::connect_with_socket_defaults().unwrap();

        let dockerfile = String::from(
            "FROM localhost:5000/alpine as builder1
            RUN touch bollard.txt
            FROM localhost:5000/alpine as builder2
            RUN --mount=type=bind,from=builder1,target=mnt cp mnt/bollard.txt buildkit-bollard.txt
            ENTRYPOINT ls buildkit-bollard.txt
            ",
        );

        let mut header = tar::Header::new_gnu();
        header.set_path("Dockerfile").unwrap();
        header.set_size(dockerfile.len() as u64);
        header.set_mode(0o755);
        header.set_cksum();
        let mut tar = tar::Builder::new(Vec::new());
        tar.append(&header, dockerfile.as_bytes()).unwrap();

        let uncompressed = tar.into_inner().unwrap();
        let mut c = flate2::write::GzEncoder::new(Vec::new(), flate2::Compression::default());
        c.write_all(&uncompressed).unwrap();
        let compressed = c.finish().unwrap();

        let session_id = "bollard-oci-export-buildkit-example";

        let frontend_opts = bollard::grpc::build::ImageBuildFrontendOptions::builder()
            .pull(true)
            .build();

        let output = bollard::grpc::export::ImageExporterOutput::builder(
            "docker.io/library/bollard-oci-export-buildkit-example:latest",
        )
        .annotation("exporter", "Bollard")
        .dest(std::path::Path::new("/tmp/oci-image.tar"));

        let mut buildkit_builder = DockerContainerBuilder::new(&docker);
        buildkit_builder.env("JAEGER_TRACE=localhost:6831");
        let driver = buildkit_builder.bootstrap().await.unwrap();

        let load_input =
            bollard::grpc::build::ImageBuildLoadInput::Upload(bytes::Bytes::from(compressed));

        let credentials = bollard::auth::DockerCredentials {
            username: Some("bollard".to_string()),
            password: std::env::var("REGISTRY_PASSWORD").ok(),
            ..Default::default()
        };
        let mut creds_hsh = std::collections::HashMap::new();
        creds_hsh.insert("localhost:5000", credentials);

        bollard::grpc::driver::Export::export(
            driver,
            bollard::grpc::driver::ImageExporterEnum::OCI(output),
            frontend_opts,
            load_input,
            Some(creds_hsh),
        )
        .await
        .unwrap();
    }
}