using adas_core.Domain.Models.MongoModels;
using adas_core.Infrastructure.Utils.MongoMaps.Interfaz;
using MongoDB.Bson.Serialization;

namespace adas_core.Infrastructure.Utils.MongoMaps;

/// <summary>
/// Represents a contributor that participates in entity mapping for observation units by implementing the <see cref="IEntityMapContributor"/> contract.
/// </summary>
/// <remarks>
/// Used to register or supply mapping logic specific to observation unit entities within the entity mapping framework.
/// </remarks>
public class ObsUnitMapContributor : IEntityMapContributor
{
    /// <summary>
    /// Registers BSON class maps for <see cref="ConfigUnits"/> and <see cref="ConfigUnitItem"/> types if they have not already been registered, configuring how their members are serialized to MongoDB documents.
    /// </summary>
    public void RegisterMaps()
        {
            if (!BsonClassMap.IsClassMapRegistered(typeof(ConfigUnits)))
                BsonClassMap.RegisterClassMap<ConfigUnits>(cm =>
                {
                    cm.AutoMap();
                    cm.MapIdMember(c => c.Id).SetElementName("_id").SetDefaultValue(string.Empty);
                    cm.MapMember(c => c.Items).SetIgnoreIfNull(true);
                });
    
            if (!BsonClassMap.IsClassMapRegistered(typeof(ConfigUnitItem)))
                BsonClassMap.RegisterClassMap<ConfigUnitItem>(cm =>
                {
                    cm.AutoMap();
                    cm.GetMemberMap(c => c.Code).SetIgnoreIfNull(true);
                    cm.GetMemberMap(c => c.Value).SetIgnoreIfNull(true);
                });
        }
}