using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using InABox.Configuration;
using InABox.Core;

namespace InABox.DynamicGrid
{
    public class DynamicGridColumns : List<DynamicGridColumn>, IGlobalConfigurationSettings, IUserConfigurationSettings

    {
        public string GridName { get; set; }

        private static Dictionary<Type, List<DynamicGridColumn>> _columnscache = new Dictionary<Type, List<DynamicGridColumn>>();

        public DynamicGridColumns ExtractColumns(Type type)
        {
            if (!_columnscache.ContainsKey(type))
            {
                _columnscache[type] = new List<DynamicGridColumn>();
                var properties = DatabaseSchema.Properties(type).OrderBy(x => x.Sequence);
                foreach (var prop in properties)
                {
                    if ((prop.Editor != null && !(prop.Editor is NullEditor)) || prop.Required)
                    {
                        var col = new DynamicGridColumn
                        {
                            ColumnName = prop.Name,
                            Width = prop.Editor.Width,
                            Alignment = prop.Editor.Alignment,
                            Format = prop.Editor.Format,
                            Editor = prop.Editor,
                            Caption = prop.Caption
                        };
                        _columnscache[type].Add(col);
                    }
                }
            }
            AddRange(_columnscache[type]);

            return this;
        }

        public DynamicGridColumn Add<TType, TProperty>(Expression<Func<TType, TProperty>> member, int width, string caption, string format,
            Alignment alignment)
        {
            var name = CoreUtils.GetFullPropertyName(member, ".");
            var result = new DynamicGridColumn
            {
                ColumnName = name,
                Caption = caption,
                Width = width,
                Format = format,
                Alignment = alignment
            };
            Add(result);
            return result;
        }
    }
}