using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace IM.InitCommon
{
    public class StorageOptions
    {
        public string DefaultProviderCode { get; set; }
        public Dictionary<string, StorageProviderOptions> Providers { get; set; }
    }

    public class StorageProviderOptions
    {
        public string ProviderCode { get; init; } = default!;

        public StorageProviderType ProviderType { get; init; }

        public bool Enabled { get; init; } = true;

        public string Bucket { get; init; } = default!;

        /// <summary>
        /// 公开读桶名；Local provider 下作为 public 目录名使用。
        /// 文件所在 Bucket == PublicBucket 即视为公开，可生成直链。
        /// </summary>
        public string? PublicBucket { get; init; }

        public string Region { get; init; } = default!;

        public string? Endpoint { get; init; }

        public string? PublicBaseUrl { get; init; }

        public string? AccessKeyId { get; set; }

        public string? AccessKeySecret { get; set; }

        public string? LocalRootPath { get; init; }

        public string? LocalUploadApiBaseUrl { get; init; }

        public TimeSpan UploadUrlExpiresIn { get; init; } = TimeSpan.FromMinutes(15);

        public TimeSpan DownloadUrlExpiresIn { get; init; } = TimeSpan.FromMinutes(30);

        public long MaxObjectSizeBytes { get; init; } = 1024L * 1024 * 1024;

        public long MinPartSizeBytes { get; init; } = 5 * 1024 * 1024;
        public long DefaultPartSizeBytes { get; init; } = 5 * 1024 * 1024;

        public int MaxPartCount { get; init; } = 10_000;
    }
    public enum StorageProviderType
    {
        Local = 1,
        AwsS3 = 2,
        AliyunOss = 3,
        TencentCos = 4,
        Minio = 5
    }
}