using Prefab.Catalog.Domain.Events;
using Prefab.Domain.Common;

namespace Prefab.Catalog.Domain.Entities;

public enum AttributeDataType
{
    Text = 1,
    Number = 3,
    Boolean = 4,
    Enum = 5
}

public class AttributeDefinition : EntityWithAuditAndStatus<Guid>
{
    private AttributeDefinition()
    {
    }

    public string Name { get; private set; } = string.Empty;

    public AttributeDataType DataType { get; private set; }

    public string? Unit { get; private set; }

    public static AttributeDefinition Create(string name, AttributeDataType dataType, string? unit = null)
    {
        ArgumentException.ThrowIfNullOrWhiteSpace(name);

        var definition = new AttributeDefinition
        {
            Id = Guid.NewGuid(),
            Name = name.Trim(),
            DataType = dataType,
            Unit = string.IsNullOrWhiteSpace(unit) ? null : unit.Trim()
        };

        definition.AddEvent(new AttributeDefinitionCreated(definition.Id, definition.Name, definition.DataType));
        return definition;
    }
}

public class ProductAttributeValue : EntityWithAuditAndStatus<Guid>
{
    private ProductAttributeValue()
    {
    }

    public Guid ProductId { get; internal set; }

    public Product Product { get; internal set; } = null!;

    public Guid AttributeDefinitionId { get; internal set; }

    public AttributeDefinition AttributeDefinition { get; internal set; } = null!;

    public string? Value { get; internal set; }

    public decimal? NumericValue { get; internal set; }

    public string? UnitCode { get; internal set; }

    public string? EnumCode { get; internal set; }

    internal static ProductAttributeValue Create(
        Guid productId,
        Guid attributeDefinitionId,
        string? value,
        decimal? numericValue,
        string? unitCode,
        string? enumCode)
    {
        return new ProductAttributeValue
        {
            Id = Guid.NewGuid(),
            ProductId = productId,
            AttributeDefinitionId = attributeDefinitionId,
            Value = value,
            NumericValue = numericValue,
            UnitCode = unitCode,
            EnumCode = enumCode
        };
    }
}