using ZB.MOM.WW.CBDD.Bson;
using ZB.MOM.WW.CBDD.Core.Collections;
using Xunit;
using System.Linq;

namespace ZB.MOM.WW.CBDD.Tests;

public class VisibilityTests
{
    public class VisibilityEntity
    {
        // Should be included
        /// <summary>
        /// Gets or sets the normal prop.
        /// </summary>
        public int NormalProp { get; set; }

        // Should be included (serialization usually writes it)
        /// <summary>
        /// Gets or sets the private set prop.
        /// </summary>
        public int PrivateSetProp { get; private set; }

        // Should be included
        /// <summary>
        /// Gets or sets the init prop.
        /// </summary>
        public int InitProp { get; init; }

        // Fields - typically included in BSON if public, but reflection need GetFields
        public string PublicField = string.Empty;

        // Should NOT be included
        private int _privateField;

        // Helper to set private
        /// <summary>
        /// Tests set private.
        /// </summary>
        /// <param name="val">Value assigned to the private field.</param>
        public void SetPrivate(int val) => _privateField = val;
    }

    /// <summary>
    /// Tests generate schema visibility checks.
    /// </summary>
    [Fact]
    public void GenerateSchema_VisibilityChecks()
    {
        var schema = BsonSchemaGenerator.FromType<VisibilityEntity>();

        schema.Fields.ShouldContain(f => f.Name == "normalprop");
        schema.Fields.ShouldContain(f => f.Name == "privatesetprop");
        schema.Fields.ShouldContain(f => f.Name == "initprop");

        // Verify assumption about fields
        // Current implementation uses GetProperties, so publicfield might be missing.
        // We will assert current status and then fix if requested/failed.
        schema.Fields.ShouldContain(f => f.Name == "publicfield"); // This will likely fail currently

        schema.Fields.ShouldNotContain(f => f.Name == "_privatefield");
    }
}