using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using MalwareMultiScan.Api.Attributes;
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Configuration.Memory;
using Moq;
using NUnit.Framework;

namespace MalwareMultiScan.Tests
{
    public class AttributesTests
    {
        [Test]
        public void TestIsHttpUrlAttribute()
        {
            var attribute = new IsHttpUrlAttribute();
            
            Assert.True(attribute.IsValid("http://test.com/file.zip"));
            Assert.True(attribute.IsValid("https://test.com/file.zip"));
            Assert.True(attribute.IsValid("HTTPS://test.com"));
            Assert.False(attribute.IsValid(null));
            Assert.False(attribute.IsValid(string.Empty));
            Assert.False(attribute.IsValid("test"));
            Assert.False(attribute.IsValid("ftp://test.com"));
        }

        [Test]
        public void TestMaxFileSizeAttribute()
        {
            var attribute = new MaxFileSizeAttribute();
            
            var configuration = new ConfigurationRoot(new List<IConfigurationProvider>
            {
                new MemoryConfigurationProvider(new MemoryConfigurationSource())
            })
            {
                ["MaxFileSize"] = "100"
            };

            var context = new ValidationContext(
                string.Empty, Mock.Of<IServiceProvider>(x =>
                    x.GetService(typeof(IConfiguration)) == configuration
                ), null);

            Assert.True(attribute.GetValidationResult(
                Mock.Of<IFormFile>(x => x.Length == 10), context) == ValidationResult.Success);
            
            Assert.True(attribute.GetValidationResult(
                Mock.Of<IFormFile>(x => x.Length == 100), context) == ValidationResult.Success);
            
            Assert.False(attribute.GetValidationResult(
                Mock.Of<IFormFile>(x => x.Length == 101), context) == ValidationResult.Success);
        }
    }
}