using System.ComponentModel.DataAnnotations;
using System.Net.Http.Headers;
using Microsoft.Extensions.Configuration;
using Xunit;

namespace Azaion.E2E.Helpers;

public sealed class TestSettings
{
    [Required] public string ApiBaseUrl { get; init; } = null!;
    [Required] public string AdminEmail { get; init; } = null!;
    [Required] public string AdminPassword { get; init; } = null!;
    [Required] public string UploaderEmail { get; init; } = null!;
    [Required] public string UploaderPassword { get; init; } = null!;
    [Required] public string JwtSecret { get; init; } = null!;
}

public sealed class TestFixture : IAsyncLifetime
{
    public HttpClient HttpClient { get; private set; } = null!;
    public string AdminToken { get; private set; } = "";
    public TestSettings Settings { get; private set; } = null!;
    public string AdminEmail => Settings.AdminEmail;
    public string AdminPassword => Settings.AdminPassword;
    public string UploaderEmail => Settings.UploaderEmail;
    public string UploaderPassword => Settings.UploaderPassword;
    public string JwtSecret => Settings.JwtSecret;
    public IConfiguration Configuration { get; private set; } = null!;

    public async Task InitializeAsync()
    {
        Configuration = new ConfigurationBuilder()
            .SetBasePath(AppContext.BaseDirectory)
            .AddJsonFile("appsettings.test.json", optional: false)
            .AddEnvironmentVariables()
            .Build();

        Settings = Configuration.Get<TestSettings>()
            ?? throw new InvalidOperationException("Failed to bind TestSettings from configuration.");
        Validator.ValidateObject(Settings, new ValidationContext(Settings), validateAllProperties: true);

        var baseUri = new Uri(Settings.ApiBaseUrl, UriKind.Absolute);
        HttpClient = new HttpClient { BaseAddress = baseUri, Timeout = TimeSpan.FromMinutes(5) };

        using var loginClient = CreateApiClient();
        AdminToken = await loginClient.LoginAsync(AdminEmail, AdminPassword).ConfigureAwait(false);
        HttpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", AdminToken);
    }

    public Task DisposeAsync()
    {
        HttpClient.Dispose();
        return Task.CompletedTask;
    }

    public ApiClient CreateApiClient()
    {
        var client = new HttpClient { BaseAddress = new Uri(Settings.ApiBaseUrl, UriKind.Absolute), Timeout = TimeSpan.FromMinutes(5) };
        return new ApiClient(client, disposeClient: true);
    }

    public ApiClient CreateAuthenticatedClient(string token)
    {
        var api = CreateApiClient();
        api.SetAuthToken(token);
        return api;
    }
}

[CollectionDefinition("E2E")]
public sealed class E2ECollection : ICollectionFixture<TestFixture>
{
}