using ReC.Domain.Attributes;
using ReC.Infrastructure.Exceptions;

namespace ReC.Infrastructure.Options.Shared;

public record EntityBaseOptions()
{
    public Dictionary<string, string> ColumnMappings { get; init; } = [];

    public IEnumerable<string> PropertyNames => ColumnMappings.Select(col => col.Key);

    public IEnumerable<string> ColumnNames => ColumnMappings.Select(col => col.Value);

    public void EnsureProperties(IEnumerable<string> propertyNames)
    {
        var missingProperties = propertyNames.Except(PropertyNames).ToList();

        if (missingProperties.Count != 0)
            throw new DbModelConfigurationException($"The following properties are not configured: {string.Join(", ", missingProperties)}");
    }

    public void EnsureProperties(params string[] propertyNames) 
        => EnsureProperties(propertyNames.AsEnumerable());

    public void EnsureProperties<T>()
    {
        var propertyNames = typeof(T)
            .GetProperties()
            .Where(prop => Attribute.IsDefined(prop, typeof(MustConfiguredAttribute)))
            .Select(prop => prop.Name);
        EnsureProperties(propertyNames);
    }
}