using Shouldly;
using Xunit;
using JdeScoping.SecureStoreManager.ViewModels;

namespace JdeScoping.SecureStoreManager.Tests.ViewModels;

public class NewStoreDialogViewModelTests
{
    [Fact]
    public void IsValid_WhenStorePathEmpty_ReturnsFalse()
    {
        // Arrange
        var sut = new NewStoreDialogViewModel();
        sut.StorePath = string.Empty;
        sut.KeyFilePath = "/path/to/key.key";

        // Act & Assert
        sut.IsValid.ShouldBeFalse();
    }

    [Fact]
    public void IsValid_WhenKeyFilePathEmpty_ReturnsFalse()
    {
        // Arrange
        var sut = new NewStoreDialogViewModel();
        sut.StorePath = "/path/to/store.json";
        sut.KeyFilePath = string.Empty;

        // Act & Assert
        sut.IsValid.ShouldBeFalse();
    }

    [Fact]
    public void IsValid_WithValidConfiguration_ReturnsTrue()
    {
        // Arrange
        var sut = new NewStoreDialogViewModel();
        sut.StorePath = "/path/to/store.json";
        sut.KeyFilePath = "/path/to/key.key";

        // Act & Assert
        sut.IsValid.ShouldBeTrue();
    }

    [Fact]
    public void ValidationError_WhenStorePathEmpty_ReturnsAppropriateMessage()
    {
        // Arrange
        var sut = new NewStoreDialogViewModel();
        sut.StorePath = string.Empty;

        // Act & Assert
        sut.ValidationError.ShouldBe("Store path is required.");
    }

    [Fact]
    public void ValidationError_WhenKeyFilePathEmpty_ReturnsAppropriateMessage()
    {
        // Arrange
        var sut = new NewStoreDialogViewModel();
        sut.StorePath = "/path/to/store.json";
        sut.KeyFilePath = string.Empty;

        // Act & Assert
        sut.ValidationError.ShouldBe("Key file path is required.");
    }

    [Fact]
    public void ValidationError_WhenValid_ReturnsNull()
    {
        // Arrange
        var sut = new NewStoreDialogViewModel();
        sut.StorePath = "/path/to/store.json";
        sut.KeyFilePath = "/path/to/key.key";

        // Act & Assert
        sut.ValidationError.ShouldBeNull();
    }
}

public class OpenStoreDialogViewModelTests
{
    [Fact]
    public void IsValid_WhenStorePathEmpty_ReturnsFalse()
    {
        // Arrange
        var sut = new OpenStoreDialogViewModel();
        sut.StorePath = string.Empty;

        // Act & Assert
        sut.IsValid.ShouldBeFalse();
    }

    [Fact]
    public void IsValid_WhenKeyFilePathEmpty_ReturnsFalse()
    {
        // Arrange
        var sut = new OpenStoreDialogViewModel();
        sut.StorePath = "/path/to/store.json";
        sut.KeyFilePath = string.Empty;

        // Act & Assert
        sut.IsValid.ShouldBeFalse();
    }

    [Fact]
    public void ValidationError_WhenStorePathEmpty_ReturnsAppropriateMessage()
    {
        // Arrange
        var sut = new OpenStoreDialogViewModel();
        sut.StorePath = string.Empty;

        // Act & Assert
        sut.ValidationError.ShouldBe("Store path is required.");
    }

    [Fact]
    public void ValidationError_WhenStoreFileDoesNotExist_ReturnsAppropriateMessage()
    {
        // Arrange
        var sut = new OpenStoreDialogViewModel();
        sut.StorePath = "/nonexistent/path/to/store.json";

        // Act & Assert
        sut.ValidationError.ShouldBe("Store file does not exist.");
    }

    [Fact]
    public void ValidationError_WhenKeyFilePathEmpty_ReturnsAppropriateMessage()
    {
        // Arrange - Create temp store file so we get past that validation
        var tempFile = Path.GetTempFileName();
        try
        {
            var sut = new OpenStoreDialogViewModel();
            sut.StorePath = tempFile;
            sut.KeyFilePath = string.Empty;

            // Act & Assert
            sut.ValidationError.ShouldBe("Key file path is required.");
        }
        finally
        {
            File.Delete(tempFile);
        }
    }

    [Fact]
    public void ValidationError_WhenKeyFileDoesNotExist_ReturnsAppropriateMessage()
    {
        // Arrange - Create temp store file so we get past that validation
        var tempFile = Path.GetTempFileName();
        try
        {
            var sut = new OpenStoreDialogViewModel();
            sut.StorePath = tempFile;
            sut.KeyFilePath = "/nonexistent/key.key";

            // Act & Assert
            sut.ValidationError.ShouldBe("Key file does not exist.");
        }
        finally
        {
            File.Delete(tempFile);
        }
    }
}

public class SecretEditDialogViewModelTests
{
    [Fact]
    public void DefaultConstructor_SetsIsNewSecretToTrue()
    {
        // Arrange & Act
        var sut = new SecretEditDialogViewModel();

        // Assert
        sut.IsNewSecret.ShouldBeTrue();
    }

    [Fact]
    public void ParameterizedConstructor_SetsKey()
    {
        // Arrange & Act
        var sut = new SecretEditDialogViewModel("testKey", "testValue");

        // Assert
        sut.Key.ShouldBe("testKey");
    }

    [Fact]
    public void ParameterizedConstructor_SetsValue()
    {
        // Arrange & Act
        var sut = new SecretEditDialogViewModel("testKey", "testValue");

        // Assert
        sut.Value.ShouldBe("testValue");
    }

    [Fact]
    public void ParameterizedConstructor_SetsIsNewSecretToFalse()
    {
        // Arrange & Act
        var sut = new SecretEditDialogViewModel("testKey", "testValue");

        // Assert
        sut.IsNewSecret.ShouldBeFalse();
    }

    [Fact]
    public void IsKeyEditable_WhenIsNewSecret_ReturnsTrue()
    {
        // Arrange
        var sut = new SecretEditDialogViewModel();

        // Act & Assert
        sut.IsKeyEditable.ShouldBeTrue();
    }

    [Fact]
    public void IsKeyEditable_WhenEditingExisting_ReturnsFalse()
    {
        // Arrange
        var sut = new SecretEditDialogViewModel("testKey", "testValue");

        // Act & Assert
        sut.IsKeyEditable.ShouldBeFalse();
    }

    [Fact]
    public void DialogTitle_WhenIsNewSecret_ReturnsAddSecret()
    {
        // Arrange
        var sut = new SecretEditDialogViewModel();

        // Act & Assert
        sut.DialogTitle.ShouldBe("Add Secret");
    }

    [Fact]
    public void DialogTitle_WhenEditingExisting_ReturnsEditSecret()
    {
        // Arrange
        var sut = new SecretEditDialogViewModel("testKey", "testValue");

        // Act & Assert
        sut.DialogTitle.ShouldBe("Edit Secret");
    }

    [Fact]
    public void IsValid_WhenKeyEmpty_ReturnsFalse()
    {
        // Arrange
        var sut = new SecretEditDialogViewModel();
        sut.Key = string.Empty;

        // Act & Assert
        sut.IsValid.ShouldBeFalse();
    }

    [Fact]
    public void IsValid_WhenKeyWhitespace_ReturnsFalse()
    {
        // Arrange
        var sut = new SecretEditDialogViewModel();
        sut.Key = "   ";

        // Act & Assert
        sut.IsValid.ShouldBeFalse();
    }

    [Fact]
    public void IsValid_WhenKeyProvided_ReturnsTrue()
    {
        // Arrange
        var sut = new SecretEditDialogViewModel();
        sut.Key = "validKey";

        // Act & Assert
        sut.IsValid.ShouldBeTrue();
    }

    [Fact]
    public void ValidationError_WhenKeyEmpty_ReturnsAppropriateMessage()
    {
        // Arrange
        var sut = new SecretEditDialogViewModel();
        sut.Key = string.Empty;

        // Act & Assert
        sut.ValidationError.ShouldBe("Key is required.");
    }

    [Fact]
    public void ValidationError_WhenKeyProvided_ReturnsNull()
    {
        // Arrange
        var sut = new SecretEditDialogViewModel();
        sut.Key = "validKey";

        // Act & Assert
        sut.ValidationError.ShouldBeNull();
    }

    [Fact]
    public void Key_SetterRaisesPropertyChanged()
    {
        // Arrange
        var sut = new SecretEditDialogViewModel();
        var propertyChangedRaised = false;
        sut.PropertyChanged += (s, e) =>
        {
            if (e.PropertyName == nameof(sut.Key))
                propertyChangedRaised = true;
        };

        // Act
        sut.Key = "newKey";

        // Assert
        propertyChangedRaised.ShouldBeTrue();
    }

    [Fact]
    public void Value_SetterRaisesPropertyChanged()
    {
        // Arrange
        var sut = new SecretEditDialogViewModel();
        var propertyChangedRaised = false;
        sut.PropertyChanged += (s, e) =>
        {
            if (e.PropertyName == nameof(sut.Value))
                propertyChangedRaised = true;
        };

        // Act
        sut.Value = "newValue";

        // Assert
        propertyChangedRaised.ShouldBeTrue();
    }
}