// Copyright (c) Umbraco.
// See LICENSE for more details.

using Microsoft.Extensions.Options;
using Moq;
using NUnit.Framework;
using Umbraco.Cms.Core;
using Umbraco.Cms.Core.Cache;
using Umbraco.Cms.Core.Configuration.Models;
using Umbraco.Cms.Core.Dictionary;
using Umbraco.Cms.Core.IO;
using Umbraco.Cms.Core.Models;
using Umbraco.Cms.Core.Models.Validation;
using Umbraco.Cms.Core.PropertyEditors;
using Umbraco.Cms.Core.PropertyEditors.Validators;
using Umbraco.Cms.Core.Serialization;
using Umbraco.Cms.Core.Services;
using Umbraco.Cms.Core.Strings;
using Umbraco.Cms.Infrastructure.Serialization;

namespace Umbraco.Cms.Tests.UnitTests.Umbraco.Infrastructure.Services;

[TestFixture]
public class PropertyValidationServiceTests
{
    private IShortStringHelper ShortStringHelper => new DefaultShortStringHelper(new DefaultShortStringHelperConfig());

    private void MockObjects(out PropertyValidationService validationService, out IDataType dt)
    {
        var dataTypeService = new Mock<IDataTypeService>();
        var dataType = Mock.Of<IDataType>(x => x.ConfigurationObject == string.Empty // irrelevant but needs a value
                                               && x.DatabaseType == ValueStorageType.Nvarchar
                                               && x.EditorAlias == Constants.PropertyEditors.Aliases.TextBox);
        dataTypeService.Setup(x => x.GetDataType(It.IsAny<int>())).Returns(() => dataType);
        dt = dataType;

        // new data editor that returns a TextOnlyValueEditor which will do the validation for the properties
        var dataEditor = Mock.Of<IDataEditor>(x => x.Alias == Constants.PropertyEditors.Aliases.TextBox);
        Mock.Get(dataEditor).Setup(x => x.GetValueEditor(It.IsAny<object>()))
            .Returns(new CustomTextOnlyValueEditor(
                new DataEditorAttribute(Constants.PropertyEditors.Aliases.TextBox),
                Mock.Of<IShortStringHelper>(),
                new SystemTextJsonSerializer(new DefaultJsonSerializerEncoderFactory()),
                Mock.Of<IIOHelper>()));

        var languageService = new Mock<ILanguageService>();
        languageService
            .Setup(s => s.GetDefaultIsoCodeAsync())
            .ReturnsAsync(() => "en-US");

        var propEditors = new PropertyEditorCollection(new DataEditorCollection(() => [dataEditor]));

        var contentSettings = new Mock<IOptions<ContentSettings>>();
        contentSettings.Setup(x => x.Value).Returns(new ContentSettings());

        validationService = new PropertyValidationService(
            propEditors,
            dataTypeService.Object,
            Mock.Of<ILocalizedTextService>(),
            new ValueEditorCache(),
            Mock.Of<ICultureDictionary>(),
            languageService.Object,
            contentSettings.Object);
    }

    [Test]
    public void Validate_Invariant_Properties_On_Variant_Default_Culture()
    {
        MockObjects(out var validationService, out var dataType);

        var p1 = new Property(
            new PropertyType(ShortStringHelper, dataType, "test1")
            {
                Mandatory = true,
                Variations = ContentVariation.Culture,
            });
        p1.SetValue("Hello", "en-US");
        var p2 = new Property(
            new PropertyType(ShortStringHelper, dataType, "test2")
            {
                Mandatory = true,
                Variations = ContentVariation.Nothing,
            });
        p2.SetValue("Hello");
        var p3 = new Property(
            new PropertyType(ShortStringHelper, dataType, "test3")
            {
                Mandatory = true,
                Variations = ContentVariation.Culture,
            });
        p3.SetValue(null, "en-US"); // invalid
        var p4 = new Property(
            new PropertyType(ShortStringHelper, dataType, "test4")
            {
                Mandatory = true,
                Variations = ContentVariation.Nothing,
            });
        p4.SetValue(null); // invalid

        var content = Mock.Of<IContent>(
            x => x.Published == true // set to published, the default culture will validate invariant anyways
                 && x.Properties == new PropertyCollection(new[] { p1, p2, p3, p4 }));

        var result =
            validationService.IsPropertyDataValid(content, out var invalid, CultureImpact.Explicit("en-US", true));

        Assert.IsFalse(result);
        Assert.AreEqual(2, invalid.Length);
    }

    [Test]
    public void Validate_Invariant_Properties_On_Variant_Non_Default_Culture()
    {
        MockObjects(out var validationService, out var dataType);

        var p1 = new Property(
            new PropertyType(ShortStringHelper, dataType, "test1")
            {
                Mandatory = true,
                Variations = ContentVariation.Culture,
            });
        p1.SetValue("Hello", "en-US");
        var p2 = new Property(
            new PropertyType(ShortStringHelper, dataType, "test2")
            {
                Mandatory = true,
                Variations = ContentVariation.Nothing,
            });
        p2.SetValue("Hello");
        var p3 = new Property(
            new PropertyType(ShortStringHelper, dataType, "test3")
            {
                Mandatory = true,
                Variations = ContentVariation.Culture,
            });
        p3.SetValue(null, "en-US"); // invalid
        var p4 = new Property(
            new PropertyType(ShortStringHelper, dataType, "test4")
            {
                Mandatory = true,
                Variations = ContentVariation.Nothing,
            });
        p4.SetValue(null); // invalid

        var content = Mock.Of<IContent>(
            x =>
                x.Published ==
                false // set to not published, the non default culture will need to validate invariant too
                && x.Properties == new PropertyCollection(new[] { p1, p2, p3, p4 }));

        var result =
            validationService.IsPropertyDataValid(content, out var invalid, CultureImpact.Explicit("en-US", false));

        Assert.IsFalse(result);
        Assert.AreEqual(2, invalid.Length);
    }

    [Test]
    public void Validate_Variant_Properties_On_Variant()
    {
        MockObjects(out var validationService, out var dataType);

        var p1 = new Property(
            new PropertyType(ShortStringHelper, dataType, "test1")
            {
                Mandatory = true,
                Variations = ContentVariation.Culture,
            });
        p1.SetValue(null, "en-US"); // invalid
        var p2 = new Property(
            new PropertyType(ShortStringHelper, dataType, "test2")
            {
                Mandatory = true,
                Variations = ContentVariation.Nothing,
            });
        p2.SetValue(null); // invalid
        var p3 = new Property(
            new PropertyType(ShortStringHelper, dataType, "test3")
            {
                Mandatory = true,
                Variations = ContentVariation.Culture,
            });
        p3.SetValue(null, "en-US"); // ignored because the impact isn't the default lang + the content is published
        var p4 = new Property(
            new PropertyType(ShortStringHelper, dataType, "test4")
            {
                Mandatory = true,
                Variations = ContentVariation.Nothing,
            });
        p4.SetValue(null); // ignored because the impact isn't the default lang + the content is published

        var content = Mock.Of<IContent>(
            x => x.Published == true // set to published
                 && x.Properties == new PropertyCollection(new[] { p1, p2, p3, p4 }));

        var result =
            validationService.IsPropertyDataValid(content, out var invalid, CultureImpact.Explicit("en-US", false));

        Assert.IsFalse(result);
        Assert.AreEqual(2, invalid.Length);
    }

    [Test]
    public void Validate_Invariant_Properties_On_Invariant()
    {
        MockObjects(out var validationService, out var dataType);

        var p1 = new Property(
            new PropertyType(ShortStringHelper, dataType, "test1")
            {
                Mandatory = true,
                Variations = ContentVariation.Culture,
            });
        p1.SetValue(null, "en-US"); // ignored since this is variant
        var p2 = new Property(
            new PropertyType(ShortStringHelper, dataType, "test2")
            {
                Mandatory = true,
                Variations = ContentVariation.Nothing,
            });
        p2.SetValue(null); // invalid
        var p3 = new Property(
            new PropertyType(ShortStringHelper, dataType, "test3")
            {
                Mandatory = true,
                Variations = ContentVariation.Culture,
            });
        p3.SetValue("Hello", "en-US"); // ignored since this is variant
        var p4 = new Property(
            new PropertyType(ShortStringHelper, dataType, "test4")
            {
                Mandatory = true,
                Variations = ContentVariation.Nothing,
            });
        p4.SetValue(null); // invalid

        var content = Mock.Of<IContent>(
            x => x.Properties == new PropertyCollection(new[] { p1, p2, p3, p4 }));

        var result = validationService.IsPropertyDataValid(content, out var invalid, CultureImpact.Invariant);

        Assert.IsFalse(result);
        Assert.AreEqual(2, invalid.Length);
    }

    [Test]
    public void Validate_Properties_On_All()
    {
        MockObjects(out var validationService, out var dataType);

        var p1 = new Property(
            new PropertyType(ShortStringHelper, dataType, "test1")
            {
                Mandatory = true,
                Variations = ContentVariation.Culture,
            });
        p1.SetValue(null, "en-US"); // invalid
        var p2 = new Property(
            new PropertyType(ShortStringHelper, dataType, "test2")
            {
                Mandatory = true,
                Variations = ContentVariation.Nothing,
            });
        p2.SetValue(null); // invalid
        var p3 = new Property(
            new PropertyType(ShortStringHelper, dataType, "test3")
            {
                Mandatory = true,
                Variations = ContentVariation.Culture,
            });
        p3.SetValue(null, "en-US"); // invalid
        var p4 = new Property(
            new PropertyType(ShortStringHelper, dataType, "test4")
            {
                Mandatory = true,
                Variations = ContentVariation.Nothing,
            });
        p4.SetValue(null); // invalid

        var content = Mock.Of<IContent>(
            x => x.Properties == new PropertyCollection(new[] { p1, p2, p3, p4 }));

        var result = validationService.IsPropertyDataValid(content, out var invalid, CultureImpact.All);

        Assert.IsFalse(result);
        Assert.AreEqual(4, invalid.Length);
    }

    [TestCase(null)]
    [TestCase(24)]
    [TestCase("test")]
    [TestCase("{\"test\": true}")]
    public void ValidatePropertyValue_Always_Returns_No_Validation_Errors_For_Missing_Editor(object? value)
    {
        MockObjects(out var validationService, out _);

        var p1 = new PropertyType(ShortStringHelper, "Missing.Alias", ValueStorageType.Ntext)
        {
            Variations = ContentVariation.Nothing,
        };

        var result = validationService.ValidatePropertyValue(p1, value, PropertyValidationContext.Empty());
        Assert.AreEqual(0, result.Count());
    }

    // used so we can inject a mock - we should fix the base class DataValueEditor to be able to have the ILocalizedTextField passed
    // in to create the Requried and Regex validators so we aren't using singletons
    private class CustomTextOnlyValueEditor : TextOnlyValueEditor
    {
        public CustomTextOnlyValueEditor(
            DataEditorAttribute attribute,
            IShortStringHelper shortStringHelper,
            IJsonSerializer jsonSerializer,
            IIOHelper ioHelper)
            : base(attribute, Mock.Of<ILocalizedTextService>(), shortStringHelper, jsonSerializer, ioHelper)
        {
        }

        public override IValueRequiredValidator RequiredValidator => new RequiredValidator();

        public override IValueFormatValidator FormatValidator => new RegexValidator();
    }
}