using Bunit;
using Bunit.TestDoubles;
using Fluxor;
using Fluxor.Blazor.Web.ReduxDevTools;
using Koogle.Application.DTOs;
using Koogle.Application.Interfaces;
using Koogle.Application.Services;
using Koogle.Web.Components;
using Koogle.Web.Components.Pages;
using Koogle.Web.Store.AuthState;
using Koogle.Web.Store.ClubState;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.DependencyInjection;
using MudBlazor;
using MudBlazor.Services;
using System.Security.Claims;
using Koogle.Tests.Common;
using Microsoft.AspNetCore.Antiforgery;

namespace Koogle.Tests.Components;

/// <summary>
/// Base class for Blazor component tests with common setup.
/// </summary>
public abstract class BlazorTestBase : TestContext
{
    protected Mock<IUserService> UserServiceMock { get; }
    protected Mock<ICurrentClubContext> ClubContextMock { get; }
    protected Mock<IDispatcher> DispatcherMock { get; }
    //protected Mock<IHttpContextAccessor> HttpContextAccessor { get; }
    protected Mock<IAntiforgery> Antiforgery { get; }
    protected Mock<IClubService> ClubServiceMock { get; }

    protected BlazorTestBase()
    {
        UserServiceMock = new Mock<IUserService>();
        ClubContextMock = new Mock<ICurrentClubContext>();
        DispatcherMock = new Mock<IDispatcher>();
        ClubServiceMock = new Mock<IClubService>();
        

        Antiforgery = new Mock<IAntiforgery>();

        // Must add services BEFORE getting NavigationManager
        SetupServices();
    }

    private void SetupServices()
    {
        // Register MudBlazor services first
        Services.AddMudServices(options =>
        {
            options.SnackbarConfiguration.PositionClass = Defaults.Classes.Position.BottomRight;
        });

        

        Services.AddFluxor(options =>
        {
            options.ScanAssemblies(typeof(Routes).Assembly)
                .UseReduxDevTools();
        });

        // Register mocks
        Services.AddSingleton(Antiforgery.Object);
        Services.AddSingleton(ClubServiceMock.Object);
        Services.AddSingleton(UserServiceMock.Object);
        Services.AddSingleton(ClubContextMock.Object);
        Services.AddSingleton(DispatcherMock.Object);

        Services.AddMockHttpClient();

        // Setup default club context
        ClubContextMock.Setup(c => c.ClubId).Returns(Guid.NewGuid());
        ClubContextMock.Setup(c => c.ClubName).Returns("Test Club");
    }

    /// <summary>
    /// Configures an authenticated user for the test.
    /// </summary>
    protected void SetupAuthenticatedUser(
        string? userName = null,
        string? userId = null,
        params string[] roles)
    {
        var authContext = this.AddTestAuthorization();
        authContext.SetAuthorized(userName ?? "testuser");

        if (roles.Length > 0)
        {
            authContext.SetRoles(roles);
        }

        if (!string.IsNullOrEmpty(userId))
        {
            authContext.SetClaims(new Claim(ClaimTypes.NameIdentifier, userId));
        }
    }

    /// <summary>
    /// Configures an unauthenticated user for the test.
    /// </summary>
    protected void SetupAnonymousUser()
    {
        var authContext = this.AddTestAuthorization();
        authContext.SetNotAuthorized();
    }

    /// <summary>
    /// Sets up a mock Fluxor state.
    /// </summary>
    protected Mock<IState<T>> SetupFluxorState<T>(T initialState) where T : class
    {
        var stateMock = new Mock<IState<T>>();
        stateMock.Setup(s => s.Value).Returns(initialState);
        Services.AddSingleton(stateMock.Object);
        return stateMock;
    }

    /// <summary>
    /// Creates a default AuthState for testing.
    /// </summary>
    protected AuthState CreateAuthState(
        bool isAuthenticated = true,
        string? displayName = null,
        string? email = null,
        IReadOnlyList<string>? roles = null)
    {
        if (!isAuthenticated)
        {
            return AuthState.Initial;
        }

        return AuthState.Initial with
        {
            IsAuthenticated = true,
            IsLoading = false,
            CurrentUser = new UserDto
            {
                ProfileId = Guid.NewGuid(),
                IdentityUserId = Guid.NewGuid(),
                DisplayName = displayName ?? "Test User",
                Identity = new ApplicationUserDto
                {
                    Id = Guid.NewGuid(),
                    Email = email ?? "test@example.com",
                    UserName = email ?? "test@example.com"
                }
            },
            Roles = roles ?? [],
            Error = null
        };
    }

    /// <summary>
    /// Creates a default ClubState for testing.
    /// </summary>
    protected ClubState CreateClubState(IReadOnlyList<ClubDto>? clubs = null)
    {
        return ClubState.Initial with
        {
            Clubs = clubs ?? [],
            IsLoading = false
        };
    }

    /// <summary>
    /// Creates a test UserDto for testing.
    /// </summary>
    protected UserDto CreateUserDto(
        string? displayName = null,
        string? email = null)
    {
        return new UserDto
        {
            ProfileId = Guid.NewGuid(),
            IdentityUserId = Guid.NewGuid(),
            DisplayName = displayName ?? "Test User",
            Identity = new ApplicationUserDto
            {
                Id = Guid.NewGuid(),
                Email = email ?? "test@example.com",
                UserName = email ?? "test@example.com"
            }
        };
    }
}