// MinIO Rust Library for Amazon S3 Compatible Cloud Storage
// Copyright 2025 MinIO, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

mod common;

use crate::common::{create_bucket_helper, rand_object_name, RandReader, TestContext};
use minio::s3::args::{DownloadObjectArgs, UploadObjectArgs};
use minio::s3::types::S3Api;
use sha2::{Digest, Sha256};
use std::{fs, io};

fn get_hash(filename: &String) -> String {
    let mut hasher = Sha256::new();
    let mut file = fs::File::open(filename).unwrap();
    io::copy(&mut file, &mut hasher).unwrap();
    format!("{:x}", hasher.finalize())
}

#[tokio::test(flavor = "multi_thread", worker_threads = 10)]
async fn upload_download_object() {
    let ctx = TestContext::new_from_env();
    let (bucket_name, _cleanup) = create_bucket_helper(&ctx).await;
    let object_name = rand_object_name();

    let size = 16_usize;
    let mut file = fs::File::create(&object_name).unwrap();
    io::copy(&mut RandReader::new(size), &mut file).unwrap();
    file.sync_all().unwrap();
    ctx.client
        .upload_object(&UploadObjectArgs::new(&bucket_name, &object_name, &object_name).unwrap())
        .await
        .unwrap();

    let filename = rand_object_name();
    ctx.client
        .download_object(&DownloadObjectArgs::new(&bucket_name, &object_name, &filename).unwrap())
        .await
        .unwrap();
    assert_eq!(get_hash(&object_name), get_hash(&filename));

    fs::remove_file(&object_name).unwrap();
    fs::remove_file(&filename).unwrap();

    ctx.client
        .remove_object(&bucket_name, object_name.as_str())
        .send()
        .await
        .unwrap();
    ctx.client
        .remove_object(&bucket_name, object_name.as_str())
        .send()
        .await
        .unwrap();

    let object_name = rand_object_name();
    let size: usize = 16 + 5 * 1024 * 1024;
    let mut file = fs::File::create(&object_name).unwrap();
    io::copy(&mut RandReader::new(size), &mut file).unwrap();
    file.sync_all().unwrap();
    ctx.client
        .upload_object(&UploadObjectArgs::new(&bucket_name, &object_name, &object_name).unwrap())
        .await
        .unwrap();

    let filename = rand_object_name();
    ctx.client
        .download_object(&DownloadObjectArgs::new(&bucket_name, &object_name, &filename).unwrap())
        .await
        .unwrap();
    assert_eq!(get_hash(&object_name), get_hash(&filename));

    fs::remove_file(&object_name).unwrap();
    fs::remove_file(&filename).unwrap();

    ctx.client
        .remove_object(&bucket_name, object_name.as_str())
        .send()
        .await
        .unwrap();
    ctx.client
        .remove_object(&bucket_name, object_name.as_str())
        .send()
        .await
        .unwrap();
}