using System;
using System.Collections.Generic;
using System.IO;
using System.Threading;
using System.Threading.Tasks;
using Bit.Api.Models.Request.Accounts;
using Bit.Core.Settings;
using Microsoft.AspNetCore.Http;
using Xunit;

namespace Bit.Api.Test.Models.Request.Accounts
{
    public class PremiumRequestModelTests
    {
        public static IEnumerable<object[]> GetValidateData()
        {
            // 1. selfHosted
            // 2. formFile
            // 3. country
            // 4. expected

            yield return new object[] { true, null, null, false };
            yield return new object[] { true, null, "US", false };
            yield return new object[] { true, new NotImplementedFormFile(), null, false };
            yield return new object[] { true, new NotImplementedFormFile(), "US", false };

            yield return new object[] { false, null, null, false };
            yield return new object[] { false, null, "US", true }; // Only true, cloud with null license AND a Country
            yield return new object[] { false, new NotImplementedFormFile(), null, false };
            yield return new object[] { false, new NotImplementedFormFile(), "US", false };
        }

        [Theory]
        [MemberData(nameof(GetValidateData))]
        public void Validate_Success(bool selfHosted, IFormFile formFile, string country, bool expected)
        {
            var gs = new GlobalSettings
            {
                SelfHosted = selfHosted
            };

            var sut = new PremiumRequestModel
            {
                License = formFile,
                Country = country,
            };

            Assert.Equal(expected, sut.Validate(gs));
        }
    }

    public class NotImplementedFormFile : IFormFile
    {
        public string ContentType => throw new NotImplementedException();

        public string ContentDisposition => throw new NotImplementedException();

        public IHeaderDictionary Headers => throw new NotImplementedException();

        public long Length => throw new NotImplementedException();

        public string Name => throw new NotImplementedException();

        public string FileName => throw new NotImplementedException();

        public void CopyTo(Stream target) => throw new NotImplementedException();
        public Task CopyToAsync(Stream target, CancellationToken cancellationToken = default) => throw new NotImplementedException();
        public Stream OpenReadStream() => throw new NotImplementedException();
    }
}