using OI.Metrology.Shared.Models;
using OI.Metrology.Shared.Models.Stateless;
using System.Text.Json;

namespace OI.Metrology.Server.Repository;

public class FileShareRepository : IFileShareRepository
{

    Uri IFileShareRepository.Append(Uri uri, params string[] paths) =>
        new(paths.Aggregate(uri.AbsoluteUri, (current, path) => string.Format("{0}/{1}", current.TrimEnd('/'), path.TrimStart('/'))));

    private Uri GetEndPoint(HttpClient httpClient, string method)
    {
        Uri result;
        if (httpClient.BaseAddress is null)
            throw new NullReferenceException(nameof(httpClient.BaseAddress));
        IFileShareRepository fileShareRepository = this;
        result = fileShareRepository.Append(httpClient.BaseAddress, "api", "v1", "file-share", method);
        return result;
    }

    void IFileShareRepository.CopyFile(string from, string to)
    {
        string directory = Path.GetDirectoryName(to) ?? throw new NullReferenceException();
        if (!Directory.Exists(directory))
            _ = Directory.CreateDirectory(directory);
        File.Copy(from, to);
    }

    void IFileShareRepository.MoveFile(string from, string to)
    {
        string directory = Path.GetDirectoryName(to) ?? throw new NullReferenceException();
        if (!Directory.Exists(directory))
            _ = Directory.CreateDirectory(directory);
        File.Move(from, to);
    }

    void IFileShareRepository.FileWrite(string path, string contents)
    {
        string directory = Path.GetDirectoryName(path) ?? throw new NullReferenceException();
        if (!Directory.Exists(directory))
            _ = Directory.CreateDirectory(directory);
        File.WriteAllText(path, contents);
    }

    void IFileShareRepository.CopyFile(HttpClient httpClient, string from, string to)
    {
        Uri uri = GetEndPoint(httpClient, "copy-file");
        Task<HttpResponseMessage> httpResponseMessage = httpClient.GetAsync(uri);
        httpResponseMessage.Wait();
        if (httpResponseMessage.Result.StatusCode != System.Net.HttpStatusCode.OK)
            throw new Exception(httpResponseMessage.Result.StatusCode.ToString());
    }

    void IFileShareRepository.MoveFile(HttpClient httpClient, string from, string to)
    {
        Uri uri = GetEndPoint(httpClient, "move-file");
        Task<HttpResponseMessage> httpResponseMessage = httpClient.GetAsync(uri);
        httpResponseMessage.Wait();
        if (httpResponseMessage.Result.StatusCode != System.Net.HttpStatusCode.OK)
            throw new Exception(httpResponseMessage.Result.StatusCode.ToString());
    }

    void IFileShareRepository.FileWrite(HttpClient httpClient, string path, string contents)
    {
        Uri uri = GetEndPoint(httpClient, "file-write");
        Task<HttpResponseMessage> httpResponseMessage = httpClient.GetAsync(uri);
        httpResponseMessage.Wait();
        if (httpResponseMessage.Result.StatusCode != System.Net.HttpStatusCode.OK)
            throw new Exception(httpResponseMessage.Result.StatusCode.ToString());
    }

    HttpResponseMessage IFileShareRepository.ReadFile(HttpClient httpClient, Uri uri)
    {
        HttpResponseMessage result;
        Task<HttpResponseMessage> httpResponseMessage = httpClient.GetAsync(uri);
        httpResponseMessage.Wait();
        result = httpResponseMessage.Result;
        return result;
    }

    List<NginxFileSystemSortable> IFileShareRepository.GetNginxFileSystemSortableCollection(HttpClient httpClient, Uri uri, string? endsWith)
    {
        List<NginxFileSystemSortable> results = new();
        Task<HttpResponseMessage> httpResponseMessage = httpClient.GetAsync(uri);
        httpResponseMessage.Wait();
        if (httpResponseMessage.Result.StatusCode == System.Net.HttpStatusCode.OK)
        {
            FileShareRepository fileShareRepository = this;
            Task<string> json = httpResponseMessage.Result.Content.ReadAsStringAsync();
            json.Wait();
            NginxFileSystem[]? nginxFileSystemCollection = JsonSerializer.Deserialize(json.Result, NginxFileSystemCollectionSourceGenerationContext.Default.NginxFileSystemArray);
            List<NginxFileSystemSortable> nginxFileSystemSortableCollection = NginxFileSystemSortable.Convert(fileShareRepository, uri, nginxFileSystemCollection);
            foreach (NginxFileSystemSortable nginxFileSystemSortable in nginxFileSystemSortableCollection.OrderByDescending(l => l.DateTime))
            {
                if (!string.IsNullOrEmpty(endsWith) && !nginxFileSystemSortable.Name.EndsWith(endsWith))
                    continue;
                results.Add(nginxFileSystemSortable);
            }
        }
        return results;
    }

}