#[macro_use]
extern crate log;

use azure_core::{
    auth::TokenCredential,
    error::{ErrorKind, ResultExt},
};
use azure_identity::DefaultAzureCredential;
use azure_storage::core::prelude::*;
use azure_storage_blobs::prelude::*;

#[tokio::main]
async fn main() -> azure_core::Result<()> {
    env_logger::init();
    // First we retrieve the account name, container and blob name from command line args

    let account = std::env::args()
        .nth(1)
        .expect("please specify the account name as first command line parameter");
    let container = std::env::args()
        .nth(2)
        .expect("please specify the container name as second command line parameter");
    let blob = std::env::args()
        .nth(3)
        .expect("please specify the blob name as third command line parameter");

    let bearer_token = DefaultAzureCredential::default()
        .get_token("https://storage.azure.com/")
        .await?;

    let blob_client = StorageClient::new_bearer_token(&account, bearer_token.token.secret())
        .container_client(&container)
        .blob_client(&blob);

    trace!("Requesting blob");

    let blob = blob_client.get_content().await?;
    println!("blob == {:?}", blob);

    let s_content = String::from_utf8(blob).map_kind(ErrorKind::DataConversion)?;
    println!("s_content == {}", s_content);

    Ok(())
}