using IdentityShroud.Core.Contracts;
using IdentityShroud.Core.Services;
using IdentityShroud.Core.Tests.Fixtures;
using IdentityShroud.TestUtils.Substitutes;
using Microsoft.EntityFrameworkCore;

namespace IdentityShroud.Core.Tests.Services;

public class RealmServiceTests : IClassFixture<DbFixture>
{
    private readonly DbFixture _dbFixture;
    private readonly IEncryptionService _encryptionService = EncryptionServiceSubstitute.CreatePassthrough();

    public RealmServiceTests(DbFixture dbFixture)
    {
        _dbFixture = dbFixture;
        using Db db = dbFixture.CreateDbContext();
        if (!db.Database.EnsureCreated())
            TruncateTables(db);
    }

    private void TruncateTables(Db db)
    {
        db.Database.ExecuteSqlRaw("TRUNCATE realm CASCADE;");
    }

    [Theory]
    [InlineData(null)]
    [InlineData("a7c2a39c-3ed9-4790-826e-43bb2e5e480c")]
    public async Task Create(string? idString)
    {
        // Setup
        Guid? realmId = null;
        if (idString is not null)
            realmId = new(idString);

        using Db db = _dbFixture.CreateDbContext();
        RealmService sut = new(db, _encryptionService);
        // Act
        
        var response = await sut.Create(
            new(realmId, "slug", "New realm"),
            TestContext.Current.CancellationToken);
        
        // Verify
        RealmCreateResponse val = ResultAssert.Success(response);
        if (realmId.HasValue)
            Assert.Equal(realmId, val.Id);
        else
            Assert.NotEqual(Guid.Empty, val.Id);
        
        Assert.Equal("slug", val.Slug);
        Assert.Equal("New realm", val.Name);
        
        // TODO verify data has been stored!
    }

    [Theory]
    [InlineData("slug", null)]
    [InlineData("foo", "Foo")]
    public async Task FindBySlug(string slug, string? name)
    {
        using (var setupContext = _dbFixture.CreateDbContext())
        {
            setupContext.Realms.Add(new()
            {
                Slug = "foo",
                Name = "Foo",
            });
            setupContext.Realms.Add(new()
            {
                Slug = "bar",
                Name = "Bar",
            });
            
            await setupContext.SaveChangesAsync(TestContext.Current.CancellationToken);
        }

        using Db actContext = _dbFixture.CreateDbContext();
        RealmService sut = new(actContext, _encryptionService);
        // Act
        var result = await sut.FindBySlug(slug, TestContext.Current.CancellationToken);

        Assert.Equal(name, result?.Name);
    }
}