using System.Collections.Generic;
using System.Linq;
using Moq;
using NFluent;
using WireMock.Matchers.Request;
using WireMock.Models;
using Xunit;

namespace WireMock.Net.Tests.RequestMatchers
{
    public class RequestMessageCompositeMatcherTests
    {
        private class Helper : RequestMessageCompositeMatcher
        {
            public Helper(IEnumerable<IRequestMatcher> requestMatchers, CompositeMatcherType type = CompositeMatcherType.And) : base(requestMatchers, type)
            {
            }
        }

        [Fact]
        public void RequestMessageCompositeMatcher_GetMatchingScore_EmptyArray()
        {
            // Assign
            var requestMessage = new RequestMessage(new UrlDetails("http://localhost"), "GET", "127.0.0.1");
            var matcher = new Helper(Enumerable.Empty<IRequestMatcher>());

            // Act
            var result = new RequestMatchResult();
            double score = matcher.GetMatchingScore(requestMessage, result);

            // Assert
            Check.That(score).IsEqualTo(0.0d);
        }

        [Fact]
        public void RequestMessageCompositeMatcher_GetMatchingScore_CompositeMatcherType_And()
        {
            // Assign
            var requestMatcher1Mock = new Mock<IRequestMatcher>();
            requestMatcher1Mock.Setup(rm => rm.GetMatchingScore(It.IsAny<RequestMessage>(), It.IsAny<RequestMatchResult>())).Returns(1.0d);
            var requestMatcher2Mock = new Mock<IRequestMatcher>();
            requestMatcher2Mock.Setup(rm => rm.GetMatchingScore(It.IsAny<RequestMessage>(), It.IsAny<RequestMatchResult>())).Returns(0.8d);

            var requestMessage = new RequestMessage(new UrlDetails("http://localhost"), "GET", "127.0.0.1");
            var matcher = new Helper(new[] { requestMatcher1Mock.Object, requestMatcher2Mock.Object });

            // Act
            var result = new RequestMatchResult();
            double score = matcher.GetMatchingScore(requestMessage, result);

            // Assert
            Check.That(score).IsEqualTo(0.9d);

            // Verify
            requestMatcher1Mock.Verify(rm => rm.GetMatchingScore(It.IsAny<RequestMessage>(), It.IsAny<RequestMatchResult>()), Times.Once);
            requestMatcher2Mock.Verify(rm => rm.GetMatchingScore(It.IsAny<RequestMessage>(), It.IsAny<RequestMatchResult>()), Times.Once);
        }

        [Fact]
        public void RequestMessageCompositeMatcher_GetMatchingScore_CompositeMatcherType_Or()
        {
            // Assign
            var requestMatcher1Mock = new Mock<IRequestMatcher>();
            requestMatcher1Mock.Setup(rm => rm.GetMatchingScore(It.IsAny<RequestMessage>(), It.IsAny<RequestMatchResult>())).Returns(1.0d);
            var requestMatcher2Mock = new Mock<IRequestMatcher>();
            requestMatcher2Mock.Setup(rm => rm.GetMatchingScore(It.IsAny<RequestMessage>(), It.IsAny<RequestMatchResult>())).Returns(0.8d);

            var requestMessage = new RequestMessage(new UrlDetails("http://localhost"), "GET", "127.0.0.1");
            var matcher = new Helper(new[] { requestMatcher1Mock.Object, requestMatcher2Mock.Object }, CompositeMatcherType.Or);

            // Act
            var result = new RequestMatchResult();
            double score = matcher.GetMatchingScore(requestMessage, result);

            // Assert
            Check.That(score).IsEqualTo(1.0d);

            // Verify
            requestMatcher1Mock.Verify(rm => rm.GetMatchingScore(It.IsAny<RequestMessage>(), It.IsAny<RequestMatchResult>()), Times.Once);
            requestMatcher2Mock.Verify(rm => rm.GetMatchingScore(It.IsAny<RequestMessage>(), It.IsAny<RequestMatchResult>()), Times.Once);
        }
    }
}