using System;
using System.Linq;
using PolyTrader.Web.Configuration;
using PolyTrader.Web.Endpoints;
using PolyTraderSharp.Services;
using Xunit;

namespace PolyTrader.Tests.WebUi
{
    public class ModulesAndSettingsEndpointsTests
    {
        [Fact]
        public void Modules_KnownModules_IncludesAllCoreStrategyAndAnalysisModules()
        {
            var expected = new[]
            {
                "CopyTrading",
                "ResolutionFarming",
                "Supervisor",
                "Accounting"
            };

            foreach (var mod in expected)
            {
                Assert.Contains(mod, expected);
            }
        }

        [Fact]
        public void Settings_UpdateRequest_ValidationAndPortClamping()
        {
            var validReq = new SettingsEndpoints.UpdateWebUiSettingsRequest(
                Enabled: true,
                Port: 8080,
                LocalOnly: false,
                AuthToken: "  custom_token_123  "
            );

            Assert.True(validReq.Enabled);
            Assert.Equal(8080, validReq.Port);
            Assert.False(validReq.LocalOnly);
            Assert.Equal("custom_token_123", validReq.AuthToken?.Trim());

            // Port boundary handling
            int clampPort(int p) => p > 0 && p <= 65535 ? p : 6001;

            Assert.Equal(8080, clampPort(validReq.Port));
            Assert.Equal(6001, clampPort(0));
            Assert.Equal(6001, clampPort(-5));
            Assert.Equal(6001, clampPort(70000));
            Assert.Equal(65535, clampPort(65535));
        }

        [Fact]
        public void Settings_GenerateSecureToken_ProducesCryptographicallyStrongString()
        {
            string token1 = WebUiConfigManager.GenerateSecureToken();
            string token2 = WebUiConfigManager.GenerateSecureToken();

            Assert.NotNull(token1);
            Assert.NotNull(token2);
            Assert.NotEmpty(token1);
            Assert.NotEqual(token1, token2);
            Assert.True(token1.Length >= 32);
        }

        [Fact]
        public void Logs_TerminalLogger_FiltersHistoryByTimeSpan()
        {
            var logger = new TerminalLogger();
            logger.Info("Testnachricht 1 vor 5 Minuten");
            logger.Warning("Testnachricht 2");

            var history = logger.GetHistory(TimeSpan.FromMinutes(10));
            Assert.NotNull(history);
            Assert.True(history.Count >= 2);

            var recentMsgs = history.Select(h => h.Message).ToList();
            Assert.Contains("Testnachricht 1 vor 5 Minuten", recentMsgs);
            Assert.Contains("Testnachricht 2", recentMsgs);
        }
    }
}