using System.ComponentModel.DataAnnotations;
using System.Reflection;
using Jiaowu.Api.Controllers;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.Abstractions;
using Microsoft.AspNetCore.Mvc.ModelBinding;
using Microsoft.AspNetCore.Mvc.ModelBinding.Validation;
using Microsoft.AspNetCore.Routing;
using Microsoft.Extensions.DependencyInjection;

namespace Jiaowu.Api.Tests;

public sealed class ArchiveBatchRequestValidationTests
{
    [Fact]
    public void Mvc_validator_accepts_archive_record_metadata()
    {
        var services = new ServiceCollection();
        services.AddLogging();
        services.AddControllers().AddApplicationPart(typeof(ArchivesController).Assembly);
        using var provider = services.BuildServiceProvider();
        var actionContext = new ActionContext(
            new DefaultHttpContext { RequestServices = provider },
            new RouteData(),
            new ActionDescriptor(),
            new ModelStateDictionary());

        var exception = Record.Exception(() => provider.GetRequiredService<IObjectModelValidator>()
            .Validate(actionContext, null, string.Empty,
                new ArchiveBatchRequest([Guid.NewGuid()], true, "学期已结束")));

        Assert.Null(exception);
        Assert.True(actionContext.ModelState.IsValid);
    }

    [Fact]
    public void Validation_metadata_is_attached_to_record_constructor_parameters()
    {
        var constructor = Assert.Single(typeof(ArchiveBatchRequest).GetConstructors());
        var parameters = constructor.GetParameters();

        Assert.Contains(parameters[0].GetCustomAttributes(), x => x is RequiredAttribute);
        Assert.Contains(parameters[0].GetCustomAttributes(), x => x is MinLengthAttribute { Length: 1 });
        Assert.Contains(parameters[0].GetCustomAttributes(), x => x is MaxLengthAttribute { Length: 100 });
        Assert.Contains(parameters[2].GetCustomAttributes(), x => x is MaxLengthAttribute { Length: 500 });

        Assert.Empty(typeof(ArchiveBatchRequest).GetProperty(nameof(ArchiveBatchRequest.Ids))!
            .GetCustomAttributes<ValidationAttribute>());
        Assert.Empty(typeof(ArchiveBatchRequest).GetProperty(nameof(ArchiveBatchRequest.Reason))!
            .GetCustomAttributes<ValidationAttribute>());
    }
}