using Azure.Storage.Blobs;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Azure.Functions.Worker;
using Microsoft.Extensions.Logging;

namespace CDP
{
    public class CDPBlobStorage
    {
        private readonly ILogger<CDPBlobStorage> _logger;

        public CDPBlobStorage(ILogger<CDPBlobStorage> logger)
        {
            _logger = logger;
        }

        static internal async Task<IActionResult> UploadBlobInternal(FileUploadDto dto, ILogger _logger)
        {
            string Connection = Constants.StorageConnString;

            try
            {
                byte[] fileBytes = Convert.FromBase64String(dto.FileContent);
                var blobSvc = new BlobServiceClient(Connection);
                var blobClient = blobSvc.GetBlobContainerClient(dto.AppKey.ToLower());

                if (!blobClient.Exists())
                {
                    await blobClient.CreateAsync();
                }

                var blob = blobClient.GetBlobClient(string.Format("{0}-{1}", dto.FileId, dto.VersionId));
                Stream fs = new MemoryStream(fileBytes);
                var res = await blob.UploadAsync(fs);
                return new OkObjectResult(res);
            }
            catch (Exception ex)
            {
                _logger.LogError(ex.ToString());
                return new BadRequestObjectResult(ex);
            }
        }
    }

    public class FileUploadDto
    {
        public required string AppKey { get; set; }
        public required string FileId { get; set; }
        public required string FileContent { get; set; }

        public required string VersionId { get; set; }
    }
}