using System;
using System.IO;
using System.Text.Json;
using System.Threading.Tasks;
using AutoFixture;
using Bit.Core.Entities;
using Bit.Core.Models.Business;
using Bit.Core.Services;
using Bit.Core.Settings;
using Bit.Core.Test.AutoFixture;
using Bit.Test.Common.AutoFixture;
using Bit.Test.Common.AutoFixture.Attributes;
using Xunit;

namespace Bit.Core.Test.Services
{
    [SutProviderCustomize]
    public class LicensingServiceTests
    {
        private static string licenseFilePath(Guid orgId) =>
            Path.Combine(OrganizationLicenseDirectory.Value, $"{orgId}.json");
        private static string LicenseDirectory => Path.GetDirectoryName(OrganizationLicenseDirectory.Value);
        private static Lazy<string> OrganizationLicenseDirectory => new(() =>
        {
            var directory = Path.Combine(Path.GetTempPath(), "organization");
            if (!Directory.Exists(directory))
            {
                Directory.CreateDirectory(directory);
            }
            return directory;
        });

        public static SutProvider<LicensingService> GetSutProvider()
        {
            var fixture = new Fixture().WithAutoNSubstitutions();

            var settings = fixture.Create<IGlobalSettings>();
            settings.LicenseDirectory = LicenseDirectory;
            settings.SelfHosted = true;

            return new SutProvider<LicensingService>(fixture)
                .SetDependency(settings)
                .Create();
        }

        [Theory, BitAutoData, OrganizationLicenseCustomize]
        public async Task ReadOrganizationLicense(Organization organization, OrganizationLicense license)
        {
            var sutProvider = GetSutProvider();

            File.WriteAllText(licenseFilePath(organization.Id), JsonSerializer.Serialize(license));

            var actual = await sutProvider.Sut.ReadOrganizationLicenseAsync(organization);
            try
            {
                Assert.Equal(JsonSerializer.Serialize(license), JsonSerializer.Serialize(actual));
            }
            finally
            {
                Directory.Delete(OrganizationLicenseDirectory.Value, true);
            }
        }
    }
}