using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net.Http;
using System.Net.Http.Json;
using System.Text.Json;
using System.Text.Json.Serialization.Metadata;
using System.Threading;
using System.Threading.Tasks;
using Luski.net.Enums;
using Luski.net.Interfaces;
using Luski.net.JsonTypes.BaseTypes;
using File = System.IO.File;

namespace Luski.net;

public partial class Server
{
    internal Server()
    {
    }

    public ServerEncryption EncryptionHandler { get; internal set; } = null!;
    public ServerStorage Storage { get; internal set; } = null!;
    
    public async Task<byte[]> GetAvatar(CancellationToken CancellationToken)
    {
        bool isc = File.Exists(Storage.GetStorageDirectory(StorageDirectory.ServerAssets) + "Icon");
        if (!isc) await GetFromServer($"socketserver/Avatar/", Storage.GetStorageDirectory(StorageDirectory.ServerAssets) + "Icon", CancellationToken);
        return Storage.GetResourceBytes(StorageDirectory.ServerAssets, "Icon");
    }

    public void SendServer<Tvalue>(Tvalue Payload, JsonTypeInfo<Tvalue> jsonTypeInfo) where Tvalue : IncomingWSS
    {
        ServerOut?.Send(JsonSerializer.Serialize(Payload, jsonTypeInfo));
    }

    public HttpResponseMessage GetFromServer(string Path, CancellationToken CancellationToken, params KeyValuePair<string, string?>[] Headers)
    {
        using HttpClient web = new();
        web.Timeout = TimeSpan.FromSeconds(10);
        if (!login) web.DefaultRequestHeaders.Add("token", Token);
        if (Headers is not null && Headers.Length > 0) foreach (KeyValuePair<string, string?> header in Headers) web.DefaultRequestHeaders.Add(header.Key, header.Value);
        return web.GetAsync($"https://{Domain}/{ApiVersion}/{Path}", cancellationToken: CancellationToken).Result;
    }

    public Task GetFromServer(string Path, string File, CancellationToken CancellationToken, params KeyValuePair<string, string?>[] Headers)
    {
		using HttpClient web = new();
		web.Timeout = TimeSpan.FromMinutes(10);
		if (!login) web.DefaultRequestHeaders.Add("token", Token);
		if (Headers is not null && Headers.Length > 0) foreach (KeyValuePair<string, string?> header in Headers) web.DefaultRequestHeaders.Add(header.Key, header.Value);
		HttpResponseMessage Response = web.GetAsync($"https://{Domain}/{ApiVersion}/{Path}", CancellationToken).Result;
        Stream stream = Response.Content.ReadAsStreamAsync(CancellationToken).Result;
        using FileStream fs = System.IO.File.Create(File);
        stream.CopyTo(fs);
        return Task.CompletedTask;
    }

    public async Task<Tresult> GetFromServer<Tresult>(string Path, JsonTypeInfo<Tresult> Type, CancellationToken CancellationToken, params KeyValuePair<string, string?>[] Headers) where Tresult : IncomingHTTP, new()
    {
        HttpResponseMessage ServerResponce = GetFromServer(Path, CancellationToken, Headers);
        if (!ServerResponce.IsSuccessStatusCode) return new Tresult() { StatusCode = ServerResponce.StatusCode, Error = ErrorCode.ServerError, ErrorMessage = $"Server responded with status code {(int)ServerResponce.StatusCode}:{ServerResponce.StatusCode}" };
        Tresult? temp = JsonSerializer.Deserialize(ServerResponce.Content.ReadAsStreamAsync(CancellationToken).Result, Type);
        if (temp is null) return new Tresult() { StatusCode = ServerResponce.StatusCode, Error = ErrorCode.ServerError, ErrorMessage = $"Server responded with empty data" };
        return temp;
    }

    public async Task<Tresult> SendServer<Tvalue, Tresult>(string Path, Tvalue Payload, JsonTypeInfo<Tvalue> jsonTypeInfo, JsonTypeInfo<Tresult> ReturnjsonTypeInfo, CancellationToken CancellationToken, params KeyValuePair<string, string?>[] Headers) where Tvalue : IWebRequest where Tresult : IncomingHTTP, new()
    {
        using HttpClient web = new();
        if (!login) web.DefaultRequestHeaders.Add("token", Token);
        if (Headers is not null && Headers.Length > 0) foreach (KeyValuePair<string, string?> header in Headers) web.DefaultRequestHeaders.Add(header.Key, header.Value);
        HttpResponseMessage ServerResponce = web.PostAsJsonAsync($"https://{Domain}/{ApiVersion}/{Path}", Payload, jsonTypeInfo, CancellationToken).Result;
        if (!ServerResponce.IsSuccessStatusCode) return new Tresult() { StatusCode = ServerResponce.StatusCode, Error = ErrorCode.ServerError, ErrorMessage = $"Server responded with status code {(int)ServerResponce.StatusCode}:{ServerResponce.StatusCode}" };
        Tresult error = new() { StatusCode = ServerResponce.StatusCode, Error = ErrorCode.ServerError, ErrorMessage = $"Server responded with empty data" };
        if (string.IsNullOrWhiteSpace(ServerResponce.Content.ReadAsStringAsync(CancellationToken).Result)) return error;
        try
        {
            Tresult? temp = JsonSerializer.Deserialize(ServerResponce.Content.ReadAsStreamAsync(CancellationToken).Result, ReturnjsonTypeInfo);
            if (temp is null) return error;
            return temp;
        }
        catch { return error; }
    }

    public async Task<Tresult> SendServer<Tresult>(string Path, string File, JsonTypeInfo<Tresult> ReturnjsonTypeInfo, CancellationToken CancellationToken, params KeyValuePair<string, string?>[] Headers) where Tresult : IncomingHTTP, new()
    {
		var fs = System.IO.File.OpenRead(File);
		try
        {
            using HttpClient web = new();
            if (!login) web.DefaultRequestHeaders.Add("token", Token);
            web.Timeout = new TimeSpan(0, 10, 0);
            if (Headers is not null && Headers.Length > 0) foreach (KeyValuePair<string, string?> header in Headers) web.DefaultRequestHeaders.Add(header.Key, header.Value);
            HttpResponseMessage ServerResponce = web.PostAsync($"https://{Domain}/{ApiVersion}/{Path}", new StreamContent(fs), CancellationToken).Result;
            if (!ServerResponce.IsSuccessStatusCode) return new Tresult() { StatusCode = ServerResponce.StatusCode, Error = ErrorCode.ServerError, ErrorMessage = $"Server responded with status code {(int)ServerResponce.StatusCode}:{ServerResponce.StatusCode}" };
            try
            {
                Tresult? temp = JsonSerializer.Deserialize(ServerResponce.Content.ReadAsStreamAsync(CancellationToken).Result, ReturnjsonTypeInfo);
                if (temp is null) return new Tresult() { StatusCode = ServerResponce.StatusCode, Error = ErrorCode.ServerError, ErrorMessage = $"Server responded with empty data" };
                return temp;
            }
            catch { return new Tresult() { StatusCode = ServerResponce.StatusCode, Error = ErrorCode.ServerError, ErrorMessage = $"Server responded with empty data" }; }
        }
        finally
        {
            fs.Close();
        }
    }
}