using System.Linq.Expressions;
using Centron.Host.Messages;
using Centron.Host.RestRequests;
using Centron.Interfaces.Administration.Connections;
using CentronSoftware.Centron.WebServices.Connections;

namespace Centron.Tests.Integration;

public class IntegrationTestHelper
{
    private static string? LoginToken { get; set; }
    
    private static readonly SemaphoreSlim _semaphore = new SemaphoreSlim(1, 1);

    public static async Task<string> Login(CentronWebService connection, string? username = null, string? password = null, string? device = null)
    {
        await _semaphore.WaitAsync();
        if (LoginToken != null)
        {
            _semaphore.Release();
            return LoginToken;
        }

        var request = GetRequest(new LoginRequest
        {
            Username = username ?? "admin",
            Password = password ?? "1",
            Application = "{7880B678-989E-4405-B570-F7FC34D25367}",
            Device = device ?? "test",
            AppVersion = "1.0.2502",
            LoginKind = WebLoginType.User,
        });
        
        Expression<Func<ICentronRestService, Response<string>>> execute= f => f.Login(request);

        try
        {
            var response = await connection.CallAsync(execute);
            var result = response.Result.FirstOrDefault();
            Assert.NotNull(result);
            Assert.NotEmpty(result);
            LoginToken = result;
            return result;
        }
        finally 
        {
            _semaphore.Release();
        }
    }

    public static async Task Logout(CentronWebService connection)
    {
        await _semaphore.WaitAsync();
        if (LoginToken == null)
        {
            _semaphore.Release();
            return;
        }

        var request = GetRequest(LoginToken!);
        Expression<Func<ICentronRestService, Response>> execute = f => f.Logout(request);

        try
        {
            var response = await connection.CallAsync(execute);
            Assert.Equal(StatusCode.Success, response.Status);
            LoginToken = null;
        }
        finally
        {
            _semaphore.Release();
        }
    }

    public static Request GetRequest(string ticket = "")
    {
        return new Request
        {
            Ticket = ticket
        };
    }

    public static Request<T> GetRequest<T>(T data, string ticket = "")
    {
        return new Request<T>
        {
            Data = data,
            Ticket = ticket,
        };
    }

    public static CentronWebService GetConnection()
    {
        var url = "http://localhost:1234/CentronService";
        return new CentronWebService(url);
    }    
}