using System.Collections;

namespace FreeTubeSync.Database;

public static class MapData
{
    public static void MapFrom(this object obj1, object obj2)
    {
        var props = new Dictionary<string, object?>();
        var t1Type = obj1.GetType();
        var t2Type = obj2.GetType();
        
        var properties = t1Type.GetProperties();
        foreach (var property in properties)
        {
            props[property.Name] = property.GetValue(obj1);
        }
        properties = t2Type.GetProperties();
        foreach (var property in properties)
        {
            if (props[property.Name] is not IEnumerable)
                property.SetValue(obj2, props[property.Name]);
        }
    }

    public static void MapTo<T1, T2>(this IEnumerable<T1> obj1, IList<T2> obj2)
        where T1 : class where T2 : class, new()
    {
        foreach (var obj in obj1)
        {
            var newObj = new T2();
            newObj.MapFrom(obj);
            obj2.Add(newObj);
        }
    }
}