using System;
using System.Collections.Generic;
using System.Threading;
using FluentAssertions;
using WireMock.Models;
using WireMock.RequestBuilders;
using WireMock.ResponseBuilders;
using WireMock.Serialization;
using WireMock.Settings;
using WireMock.Types;
using WireMock.Util;
using Xunit;

namespace WireMock.Net.Tests.Serialization;

public class MappingConverterTests
{
    private readonly WireMockServerSettings _settings = new();

    private readonly MappingConverter _sut;

    public MappingConverterTests()
    {
        _sut = new MappingConverter(new MatcherMapper(_settings));
    }

    [Fact]
    public void ToMappingModel_With_SingleWebHook()
    {
        // Assign
        var request = Request.Create();
        var response = Response.Create();
        var webhooks = new IWebhook[]
        {
            new Webhook
            {
                Request = new WebhookRequest
                {
                    Url = "https://test.com",
                    Headers = new Dictionary<string, WireMockList<string>>
                    {
                        { "Single", new WireMockList<string>("x") },
                        { "Multi", new WireMockList<string>("a", "b") }
                    },
                    Method = "post",
                    BodyData = new BodyData
                    {
                        BodyAsString = "b",
                        DetectedBodyType = BodyType.String,
                        DetectedBodyTypeFromContentType = BodyType.String
                    }
                }
            }
        };
        var mapping = new Mapping(Guid.NewGuid(), string.Empty, string.Empty, null, _settings, request, response, 0, null, null, null, null, webhooks, false, null);

        // Act
        var model = _sut.ToMappingModel(mapping);

        // Assert
        model.Should().NotBeNull();
        model.Priority.Should().BeNull();

        model.Response.BodyAsJsonIndented.Should().BeNull();
        model.Response.UseTransformer.Should().BeNull();
        model.Response.Headers.Should().BeNull();
        model.UseWebhooksFireAndForget.Should().BeFalse();

        model.Webhooks.Should().BeNull();

        model.Webhook!.Request.Method.Should().Be("post");
        model.Webhook.Request.Url.Should().Be("https://test.com");
        model.Webhook.Request.Headers.Should().HaveCount(2);
        model.Webhook.Request.Body.Should().Be("b");
        model.Webhook.Request.BodyAsJson.Should().BeNull();
    }

    [Fact]
    public void ToMappingModel_With_MultipleWebHooks()
    {
        // Assign
        var request = Request.Create();
        var response = Response.Create();
        var webhooks = new IWebhook[]
        {
            new Webhook
            {
                Request = new WebhookRequest
                {
                    Url = "https://test1.com",
                    Headers = new Dictionary<string, WireMockList<string>>
                    {
                        { "One", new WireMockList<string>("x") }
                    },
                    Method = "post",
                    BodyData = new BodyData
                    {
                        BodyAsString = "1",
                        DetectedBodyType = BodyType.String,
                        DetectedBodyTypeFromContentType = BodyType.String
                    }
                }
            },

            new Webhook
            {
                Request = new WebhookRequest
                {
                    Url = "https://test2.com",
                    Headers = new Dictionary<string, WireMockList<string>>
                    {
                        { "First", new WireMockList<string>("x") },
                        { "Second", new WireMockList<string>("a", "b") }
                    },
                    Method = "post",
                    BodyData = new BodyData
                    {
                        BodyAsString = "2",
                        DetectedBodyType = BodyType.String,
                        DetectedBodyTypeFromContentType = BodyType.String
                    }
                }
            }
        };
        var mapping = new Mapping(Guid.NewGuid(), string.Empty, string.Empty, null, _settings, request, response, 0, null, null, null, null, webhooks, true, null);

        // Act
        var model = _sut.ToMappingModel(mapping);

        // Assert
        model.Should().NotBeNull();
        model.Priority.Should().BeNull();

        model.Response.BodyAsJsonIndented.Should().BeNull();
        model.Response.UseTransformer.Should().BeNull();
        model.Response.Headers.Should().BeNull();
        model.UseWebhooksFireAndForget.Should().BeTrue();

        model.Webhook.Should().BeNull();

        model.Webhooks![0].Request.Method.Should().Be("post");
        model.Webhooks[0].Request.Url.Should().Be("https://test1.com");
        model.Webhooks[0].Request.Headers.Should().HaveCount(1);
        model.Webhooks[0].Request.Body.Should().Be("1");

        model.Webhooks[1].Request.Method.Should().Be("post");
        model.Webhooks[1].Request.Url.Should().Be("https://test2.com");
        model.Webhooks[1].Request.Headers.Should().HaveCount(2);
        model.Webhooks[1].Request.Body.Should().Be("2");
    }

    [Fact]
    public void ToMappingModel_WithTitle_And_Description_ReturnsCorrectModel()
    {
        // Assign
        var title = "my-title";
        var description = "my-description";
        var request = Request.Create();
        var response = Response.Create();
        var mapping = new Mapping(Guid.NewGuid(), title, description, null, _settings, request, response, 0, null, null, null, null, null, false, null);

        // Act
        var model = _sut.ToMappingModel(mapping);

        // Assert
        model.Should().NotBeNull();
        model.Title.Should().Be(title);
        model.Description.Should().Be(description);
    }

    [Fact]
    public void ToMappingModel_WithPriority_ReturnsPriority()
    {
        // Assign
        var request = Request.Create();
        var response = Response.Create().WithBodyAsJson(new { x = "x" }).WithTransformer();
        var mapping = new Mapping(Guid.NewGuid(), string.Empty, string.Empty, null, _settings, request, response, 42, null, null, null, null, null, false, null);

        // Act
        var model = _sut.ToMappingModel(mapping);

        // Assert
        model.Should().NotBeNull();
        model.Priority.Should().Be(42);
        model.Response.UseTransformer.Should().BeTrue();
    }

    [Fact]
    public void ToMappingModel_WithTimeSettings_ReturnsCorrectTimeSettings()
    {
        // Assign
        var start = DateTime.Now;
        var ttl = 100;
        var end = start.AddSeconds(ttl);
        var request = Request.Create();
        var response = Response.Create();
        var timeSettings = new TimeSettings
        {
            Start = start,
            End = end,
            TTL = ttl
        };
        var mapping = new Mapping(Guid.NewGuid(), string.Empty, string.Empty, null, _settings, request, response, 42, null, null, null, null, null, false, timeSettings);

        // Act
        var model = _sut.ToMappingModel(mapping);

        // Assert
        model.Should().NotBeNull();
        model.TimeSettings!.Should().NotBeNull();
        model.TimeSettings!.Start.Should().Be(start);
        model.TimeSettings.End.Should().Be(end);
        model.TimeSettings.TTL.Should().Be(ttl);
    }

    [Fact]
    public void ToMappingModel_WithDelayAsTimeSpan_ReturnsCorrectModel()
    {
        // Arrange
        var tests = new[]
        {
            new { Delay = Timeout.InfiniteTimeSpan, Expected = (int) TimeSpan.MaxValue.TotalMilliseconds },
            new { Delay = TimeSpan.FromSeconds(1), Expected = 1000 },
            new { Delay = TimeSpan.MaxValue, Expected = (int) TimeSpan.MaxValue.TotalMilliseconds }
        };

        foreach (var test in tests)
        {
            var request = Request.Create();
            var response = Response.Create().WithDelay(test.Delay);
            var mapping = new Mapping(Guid.NewGuid(), string.Empty, string.Empty, string.Empty, _settings, request, response, 42, null, null, null, null, null, false, null);

            // Act
            var model = _sut.ToMappingModel(mapping);

            // Assert
            model.Should().NotBeNull();
            model.Response.Delay.Should().Be(test.Expected);
        }
    }

    [Fact]
    public void ToMappingModel_WithDelayAsMilleSeconds_ReturnsCorrectModel()
    {
        // Assign
        var delay = 1000;
        var request = Request.Create();
        var response = Response.Create().WithDelay(delay);
        var mapping = new Mapping(Guid.NewGuid(), string.Empty, string.Empty, null, _settings, request, response, 42, null, null, null, null, null, false, null);

        // Act
        var model = _sut.ToMappingModel(mapping);

        // Assert
        model.Should().NotBeNull();
        model.Response.Delay.Should().Be(delay);
    }

    [Fact]
    public void ToMappingModel_WithRandomMinimumDelay_ReturnsCorrectModel()
    {
        // Assign
        int minimumDelay = 1000;
        var request = Request.Create();
        var response = Response.Create().WithRandomDelay(minimumDelay);
        var mapping = new Mapping(Guid.NewGuid(), string.Empty, string.Empty, null, _settings, request, response, 42, null, null, null, null, null, false, null);

        // Act
        var model = _sut.ToMappingModel(mapping);

        // Assert
        model.Should().NotBeNull();
        model.Response.Delay.Should().BeNull();
        model.Response.MinimumRandomDelay.Should().Be(minimumDelay);
        model.Response.MaximumRandomDelay.Should().Be(60_000);
    }

    [Fact]
    public void ToMappingModel_WithRandomDelay_ReturnsCorrectModel()
    {
        // Assign
        int minimumDelay = 1000;
        int maximumDelay = 2000;
        var request = Request.Create();
        var response = Response.Create().WithRandomDelay(minimumDelay, maximumDelay);
        var mapping = new Mapping(Guid.NewGuid(), string.Empty, string.Empty, null, _settings, request, response, 42, null, null, null, null, null, false, null);

        // Act
        var model = _sut.ToMappingModel(mapping);

        // Assert
        model.Should().NotBeNull();
        model.Response.Delay.Should().BeNull();
        model.Response.MinimumRandomDelay.Should().Be(minimumDelay);
        model.Response.MaximumRandomDelay.Should().Be(maximumDelay);
    }
}