using System.Security.Claims;
using Bunit;
using Microsoft.AspNetCore.Components;
using Microsoft.AspNetCore.Components.Authorization;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging.Abstractions;
using Microsoft.Extensions.Options;
using NSubstitute;
using ScadaLink.Commons.Entities.Sites;
using ScadaLink.Commons.Interfaces.Repositories;
using ScadaLink.Communication;
using ScadaLink.Security;
using SiteForm = ScadaLink.CentralUI.Components.Pages.Admin.SiteForm;

namespace ScadaLink.CentralUI.Tests.Admin;

/// <summary>
/// Bundle D drill-in test (#23 M7-T12) for the Site edit page. The chip
/// routes operators into the central Audit Log pre-filtered by SourceSiteId =
/// Site.SiteIdentifier (the same string the audit pipeline stamps onto every
/// site-sourced row). Create mode suppresses the link — there's no site yet.
/// </summary>
public class SiteFormAuditDrillinTests : BunitContext
{
    private readonly ISiteRepository _siteRepo = Substitute.For<ISiteRepository>();
    private readonly CommunicationService _comms;

    public SiteFormAuditDrillinTests()
    {
        _comms = new CommunicationService(
            Options.Create(new CommunicationOptions()),
            NullLogger<CommunicationService>.Instance);
        Services.AddSingleton(_siteRepo);
        Services.AddSingleton(_comms);

        var claims = new[]
        {
            new Claim("Username", "admin"),
            new Claim(JwtTokenService.RoleClaimType, "Admin"),
        };
        var user = new ClaimsPrincipal(new ClaimsIdentity(claims, "TestAuth"));
        Services.AddSingleton<AuthenticationStateProvider>(new TestAuthStateProvider(user));
        Services.AddAuthorizationCore();
        AuthorizationPolicies.AddScadaLinkAuthorization(Services);
    }

    [Fact]
    public void EditPage_HasRecentAuditActivityLink_WithSiteEqualToSiteIdentifier()
    {
        _siteRepo.GetSiteByIdAsync(3, Arg.Any<CancellationToken>())
            .Returns(new Site("Plant A", "plant-a") { Id = 3 });

        var cut = Render<SiteForm>(p => p.Add(c => c.Id, 3));

        cut.WaitForAssertion(() =>
        {
            var link = cut.Find("a[data-test=\"audit-link\"]");
            Assert.Equal("/audit/log?site=plant-a", link.GetAttribute("href"));
            Assert.Contains("Recent audit activity", link.TextContent);
        });
    }

    [Fact]
    public void CreatePage_HasNoRecentAuditActivityLink()
    {
        var cut = Render<SiteForm>();

        cut.WaitForAssertion(() =>
        {
            Assert.Empty(cut.FindAll("a[data-test=\"audit-link\"]"));
        });
    }
}