using System;
using System.Diagnostics.CodeAnalysis;
using System.IO;
using System.Net.Http;
using System.Threading.Tasks;
using System.Xml.Serialization;
using LBPUnion.ProjectLighthouse.Helpers;
using LBPUnion.ProjectLighthouse.Serialization;
using LBPUnion.ProjectLighthouse.Startup;
using LBPUnion.ProjectLighthouse.Types;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.TestHost;
using Microsoft.EntityFrameworkCore;

namespace LBPUnion.ProjectLighthouse.Tests;

[SuppressMessage("ReSharper", "UnusedMember.Global")]
public class LighthouseServerTest
{
    public readonly HttpClient Client;
    public readonly TestServer Server;

    public LighthouseServerTest()
    {
        this.Server = new TestServer(new WebHostBuilder().UseStartup<TestGameApiStartup>());
        this.Client = this.Server.CreateClient();
    }
    public async Task<HttpResponseMessage> AuthenticateResponse(int number = -1, bool createUser = true)
    {
        if (number == -1) number = new Random().Next();

        const string username = "unitTestUser";
        if (createUser)
        {
            await using Database database = new();
            if (await database.Users.FirstOrDefaultAsync(u => u.Username == $"{username}{number}") == null)
                await database.CreateUser($"{username}{number}", CryptoHelper.BCryptHash($"unitTestPassword{number}"));
        }

        //TODO: generate actual tickets
        string stringContent = $"unitTestTicket{username}{number}";

        HttpResponseMessage response = await this.Client.PostAsync
            ($"/LITTLEBIGPLANETPS3_XML/login?titleID={GameVersionHelper.LittleBigPlanet2TitleIds[0]}", new StringContent(stringContent));
        return response;
    }

    public async Task<LoginResult> Authenticate(int number = 0)
    {
        HttpResponseMessage response = await this.AuthenticateResponse(number);

        string responseContent = LbpSerializer.StringElement("loginResult", await response.Content.ReadAsStringAsync());

        XmlSerializer serializer = new(typeof(LoginResult));
        return (LoginResult)serializer.Deserialize(new StringReader(responseContent))!;
    }

    public Task<HttpResponseMessage> AuthenticatedRequest(string endpoint, string mmAuth) => this.AuthenticatedRequest(endpoint, mmAuth, HttpMethod.Get);

    public Task<HttpResponseMessage> AuthenticatedRequest(string endpoint, string mmAuth, HttpMethod method)
    {
        using HttpRequestMessage requestMessage = new(method, endpoint);
        requestMessage.Headers.Add("Cookie", mmAuth);

        return this.Client.SendAsync(requestMessage);
    }

    public async Task<HttpResponseMessage> UploadFileEndpointRequest(string filePath)
    {
        byte[] bytes = await File.ReadAllBytesAsync(filePath);
        string hash = CryptoHelper.Sha1Hash(bytes).ToLower();

        return await this.Client.PostAsync($"/LITTLEBIGPLANETPS3_XML/upload/{hash}", new ByteArrayContent(bytes));
    }

    public async Task<HttpResponseMessage> AuthenticatedUploadFileEndpointRequest(string filePath, string mmAuth)
    {
        byte[] bytes = await File.ReadAllBytesAsync(filePath);
        string hash = CryptoHelper.Sha1Hash(bytes).ToLower();
        using HttpRequestMessage requestMessage = new(HttpMethod.Post, $"/LITTLEBIGPLANETPS3_XML/upload/{hash}");
        requestMessage.Headers.Add("Cookie", mmAuth);
        requestMessage.Content = new ByteArrayContent(bytes);
        return await this.Client.SendAsync(requestMessage);
    }

    public async Task<HttpResponseMessage> UploadFileRequest(string endpoint, string filePath)
        => await this.Client.PostAsync(endpoint, new StringContent(await File.ReadAllTextAsync(filePath)));

    public async Task<HttpResponseMessage> UploadDataRequest(string endpoint, byte[] data) => await this.Client.PostAsync(endpoint, new ByteArrayContent(data));

    public async Task<HttpResponseMessage> AuthenticatedUploadFileRequest(string endpoint, string filePath, string mmAuth)
    {
        using HttpRequestMessage requestMessage = new(HttpMethod.Post, endpoint);
        requestMessage.Headers.Add("Cookie", mmAuth);
        requestMessage.Content = new StringContent(await File.ReadAllTextAsync(filePath));
        return await this.Client.SendAsync(requestMessage);
    }

    public async Task<HttpResponseMessage> AuthenticatedUploadDataRequest(string endpoint, byte[] data, string mmAuth)
    {
        using HttpRequestMessage requestMessage = new(HttpMethod.Post, endpoint);
        requestMessage.Headers.Add("Cookie", mmAuth);
        requestMessage.Content = new ByteArrayContent(data);
        return await this.Client.SendAsync(requestMessage);
    }
}