using Comal.Classes;
using InABox.Core;
using InABox.Scripting;

namespace PRSDimensionUtils;

   public static class DimensionUtils
    { 
        private static Dictionary<Guid, ScriptDocument>? _dimensionscriptcache;
        
        public static void ResetDimensionScriptCache() => _dimensionscriptcache = null;
             
        public static void ReloadDimensionScriptCache(Guid[]? ids, Func<Filter<ProductDimensionUnit>?,Columns<ProductDimensionUnit>,CoreTable> reload)
        {

            _dimensionscriptcache ??= new Dictionary<Guid, ScriptDocument>();

            var scripts = reload(
                ids != null
                    ? new Filter<ProductDimensionUnit>(x => x.ID).InList(ids)
                    : null,
                Columns.None<ProductDimensionUnit>()
                    .Add(x => x.ID)
                    .Add(x => x.Conversion)
            ).ToDictionary<ProductDimensionUnit, Guid, String>(x => x.ID, x => x.Conversion);

        
            foreach (var id in scripts.Keys)
            {
                var doc = !String.IsNullOrWhiteSpace(scripts[id]) ? new ScriptDocument(scripts[id]) : null;
                if (doc?.Compile() == true)
                    _dimensionscriptcache[id] = doc;
                else
                    _dimensionscriptcache.Remove(id);
            }
        }
        
        public static void ConvertDimensions(IDimensions dimensions, ref double quantity, Func<Filter<ProductDimensionUnit>?,Columns<ProductDimensionUnit>,CoreTable> reload)
        {
            if (quantity.IsEffectivelyEqual(0.0))
                return;
                    
            if (_dimensionscriptcache == null)
                ReloadDimensionScriptCache(null, reload);
            
            if (_dimensionscriptcache?.TryGetValue(dimensions.Unit.ID, out ScriptDocument? script) == true)
            {
                script.SetValue("Quantity", quantity);
                script.SetValue("Dimensions", dimensions);
                script.Execute("Module", DimensionUnit.ConvertDimensionsMethodName());
                quantity = Convert.ToDouble(script.GetValue("Quantity"));
            }
        }
        
    }