using System;
using CadParamPluging.Common;

public static class DropdownDisplayNameTests
{
    public static int Main()
    {
        try
        {
            KeepsInternalValueWhenRenamingDisplayName();
            RemovesRedundantOverrideWhenDisplayMatchesRawValue();
            Console.WriteLine("All dropdown display-name tests passed.");
            return 0;
        }
        catch (Exception ex)
        {
            Console.Error.WriteLine(ex.Message);
            return 1;
        }
    }

    private static void KeepsInternalValueWhenRenamingDisplayName()
    {
        var options = DropdownOptions.CreateDefault();

        options.SetDisplayNameOverride(DropdownOptionCategory.DeliveryStatus, "车加工", "粗加工");

        AssertEqual("车加工", options.DeliveryStatuses[1], "Internal value must stay canonical.");
        AssertEqual("粗加工", options.GetDisplayName(DropdownOptionCategory.DeliveryStatus, "车加工"), "Display name override should be used.");
    }

    private static void RemovesRedundantOverrideWhenDisplayMatchesRawValue()
    {
        var options = DropdownOptions.CreateDefault();

        options.SetDisplayNameOverride(DropdownOptionCategory.DeliveryStatus, "车加工", "粗加工");
        options.SetDisplayNameOverride(DropdownOptionCategory.DeliveryStatus, "车加工", "车加工");
        options.Normalize();

        AssertEqual("车加工", options.GetDisplayName(DropdownOptionCategory.DeliveryStatus, "车加工"), "Default display should fall back to raw value.");
        AssertEqual(0, options.DisplayNameOverrides.Count, "Redundant override should be removed.");
    }

    private static void AssertEqual<T>(T expected, T actual, string message)
    {
        if (!object.Equals(expected, actual))
        {
            throw new InvalidOperationException(message + " Expected: " + expected + "; Actual: " + actual);
        }
    }
}