using RobotNet.VDA5050.Order;
using Xunit;

namespace RobotNet10.RobotApp.Tests.Example;

/// <summary>
/// Example test class showing how tests should be structured.
/// Actual tests require refactoring RobotOrderController dependencies first.
/// See README.md for details.
/// </summary>
public class OrderValidationTests_Example
{
    [Fact]
    public void OrderMsg_WithValidData_ShouldHaveCorrectProperties()
    {
        // Arrange
        var order = new OrderMsg
        {
            OrderId = "TEST001",
            OrderUpdateId = 0,
            HeaderId = 1,
            Timestamp = DateTime.UtcNow.ToString("o"),
            Version = "2.0.0",
            Manufacturer = "Test",
            SerialNumber = "SN001",
            Nodes = [],
            Edges = []
        };

        // Act & Assert
        Assert.Equal("TEST001", order.OrderId);
        Assert.Equal(0, order.OrderUpdateId);
        Assert.NotNull(order.Nodes);
        Assert.NotNull(order.Edges);
    }

    [Fact]
    public void Node_WithValidPosition_ShouldHaveCorrectCoordinates()
    {
        // Arrange
        var node = new Node
        {
            NodeId = "NODE001",
            SequenceId = 0,
            Released = true,
            NodePosition = new NodePosition
            {
                X = 10.5,
                Y = 20.3,
                Theta = 1.57,
                MapId = "MAP001"
            }
        };

        // Act & Assert
        Assert.Equal("NODE001", node.NodeId);
        Assert.Equal(0, node.SequenceId);
        Assert.True(node.Released);
        Assert.Equal(10.5, node.NodePosition.X);
        Assert.Equal(20.3, node.NodePosition.Y);
    }

    [Theory]
    [InlineData(0, true)]   // First node, sequence 0
    [InlineData(2, true)]   // Second node, sequence 2
    [InlineData(4, true)]   // Third node, sequence 4
    [InlineData(1, false)]  // Invalid odd sequence for node
    [InlineData(3, false)]  // Invalid odd sequence for node
    public void Node_SequenceId_ShouldBeEven(int sequenceId, bool isValid)
    {
        // This demonstrates how validation logic should be tested
        // Nodes should have even sequence IDs: 0, 2, 4, 6, ...
        
        // Act
        bool isEven = sequenceId % 2 == 0;

        // Assert
        Assert.Equal(isValid, isEven);
    }

    [Theory]
    [InlineData(1, true)]   // First edge, sequence 1
    [InlineData(3, true)]   // Second edge, sequence 3
    [InlineData(5, true)]   // Third edge, sequence 5
    [InlineData(0, false)]  // Invalid even sequence for edge
    [InlineData(2, false)]  // Invalid even sequence for edge
    public void Edge_SequenceId_ShouldBeOdd(int sequenceId, bool isValid)
    {
        // This demonstrates how validation logic should be tested
        // Edges should have odd sequence IDs: 1, 3, 5, 7, ...
        
        // Act
        bool isOdd = sequenceId % 2 == 1;

        // Assert
        Assert.Equal(isValid, isOdd);
    }

    [Fact]
    public void Edge_ShouldConnectTwoNodes()
    {
        // Arrange
        var node1 = new Node { NodeId = "NODE001", SequenceId = 0 };
        var node2 = new Node { NodeId = "NODE002", SequenceId = 2 };
        
        var edge = new Edge
        {
            EdgeId = "EDGE001",
            SequenceId = 1,
            StartNodeId = node1.NodeId,
            EndNodeId = node2.NodeId
        };

        // Act & Assert
        Assert.Equal(node1.NodeId, edge.StartNodeId);
        Assert.Equal(node2.NodeId, edge.EndNodeId);
        Assert.Equal(1, edge.SequenceId); // Between node 0 and node 2
    }
}