using Netina.Domain.Dtos.SmallDtos;
using Netina.Domain.Enums;

namespace Netina.Infrastructure.Services;

public class StorageService(IOptionsSnapshot<SiteSettings> snapshot) : IStorageService
{
    private IAmazonS3? _s3Client;
    private readonly string _bucketName = snapshot.Value.StorageSetting.BucketKey;
    private readonly string _accessKey = snapshot.Value.StorageSetting.AccessKey;
    private readonly string _secretKey = snapshot.Value.StorageSetting.SecretKey;

    private IAmazonS3 GetClientAsync()
    {
        var awsCredentials = new Amazon.Runtime.BasicAWSCredentials(secretKey: _secretKey, accessKey: _accessKey);
        var config = new AmazonS3Config { ServiceURL = "https://s3.ir-thr-at1.arvanstorage.ir" };
        _s3Client = new AmazonS3Client(awsCredentials, config);
        return _s3Client;
    }


    public async Task<string> UploadObjectFromFileAsync(string fileName, string filePath, string contentType, byte[] fileBytes, bool fixName = true)
    {
        using var memorySteam = new MemoryStream(fileBytes);

        var client = GetClientAsync();

        if (fixName)
        {
            var fileEx = fileName.Split('.').Last();
            fileName = fileName.Split('.').First();

            fileName = fileName + "_" + StringExtensions.GetId(5) + "_" + DateTime.Today.ToString("yyyy-MM-dd-HH-mm-ss") + "." + fileEx;

        }

        var putRequest = new PutObjectRequest
        {
            BucketName = _bucketName,
            Key = Path.Combine(filePath, fileName),
            ContentType = contentType,
            InputStream = memorySteam,
            CannedACL = S3CannedACL.PublicRead,
        };

        putRequest.Metadata.Add("x-amz-meta-title", fileName);

        PutObjectResponse response = await client.PutObjectAsync(putRequest);

        return fileName;
    }

    public async Task<string> UploadObjectFromFileAsync(string fileName, string filePath, string contentType, Stream fileStream , bool fixName = true)
    {

        var client = GetClientAsync();

        if (fixName)
        {
            var fileEx = fileName.Split('.').Last();
            fileName = fileName.Split('.').First();

            fileName = fileName + "_" + StringExtensions.GetId(5) + "_" + DateTimeExtensions.DateTimeToUnixTimeStamp(DateTime.Now) + "." + fileEx;
        }

        var putRequest = new PutObjectRequest
        {
            BucketName = _bucketName,
            Key = Path.Combine(filePath, fileName),
            ContentType = contentType,
            InputStream = fileStream,
            CannedACL = S3CannedACL.PublicRead
        };

        //putRequest.Metadata.Add("x-amz-meta-title", fileName);

        PutObjectResponse response = await client.PutObjectAsync(putRequest);
        return fileName;
    }

    public async Task<List<StorageFileSDto>> GetStorageFiles(StorageFileType fileType)
    {
        var client = GetClientAsync();
        ListObjectsV2Request request = new() { BucketName = _bucketName, MaxKeys = 3000 };
        switch (fileType)
        {
            case StorageFileType.Image:
                request.Prefix = "Images/Med";
                break;
            case StorageFileType.Video:
                request.Prefix = "Videos";
                break;
            default:
                break;
        }
        var pagination = client.Paginators.ListObjectsV2(request);
        var s3Files = new List<S3Object>();
        await foreach (var listObjectsV2Response in pagination.Responses)
        {
            s3Files.AddRange(listObjectsV2Response.S3Objects);
        }

        var files = s3Files
            .OrderByDescending(s => s.LastModified)
            .Take(100)
            .Select(s => new StorageFileSDto
            {
                FileLocation = s.Key,
                FileName = s.Key.Split('/').Last()
            }).ToList();

        return files.ToList();
    }
}