using System.Collections.Generic;
using SpellBoundAR.Items.Inventories;
using UnityEditor;
using UnityEngine;

namespace SpellBoundAR.Items.Editor
{
    public static class InventoryEditorHelpers
    {
        private const float NameColumnWidth = 150f;
        private const float QuantityColumnWidth = 75f; 
        private const float ViewsColumnWidth = 75f; 
        
        public static void DrawSavedInventory(SavedInventory savedInventory)
        {
            GUILayout.Space(5);
            
            if (savedInventory == null)
            {
                GUILayout.Label("Inventory is null.");
                return;
            }
            
            List<IInventoryEntry> inventoryEntries = savedInventory.GetAllEntries();

            if (inventoryEntries is not {Count: > 0})
            {
                GUILayout.Label("Inventory is empty.");
                return;
            }
            
            EditorGUILayout.BeginHorizontal();
            GUILayout.Label("NAME", GUILayout.MaxWidth(NameColumnWidth));
            GUILayout.Label("QUANTITY", GUILayout.MaxWidth(QuantityColumnWidth));
            GUILayout.Label("VIEWS", GUILayout.MaxWidth(ViewsColumnWidth));
            EditorGUILayout.EndHorizontal();

            foreach (IInventoryEntry entry in inventoryEntries)
            {
                if (entry == null) continue;
                EditorGUILayout.BeginHorizontal();
                IItemTypeData itemTypeData = entry.ItemTypeData;
                GUILayout.Label(itemTypeData != null ? itemTypeData.Name : "NULL", GUILayout.MaxWidth(NameColumnWidth));
                GUILayout.Label(entry.Quantity.ToString(), GUILayout.MaxWidth(QuantityColumnWidth));
                GUILayout.Label(entry.Views.ToString(), GUILayout.MaxWidth(ViewsColumnWidth));
                if (GUILayout.Button("+1", GUILayout.MaxWidth(30))) { savedInventory.Add(itemTypeData, 1); return; }
                if (GUILayout.Button("-1", GUILayout.MaxWidth(30))) { savedInventory.Remove(itemTypeData, 1); return; }
                if (GUILayout.Button("Remove All", GUILayout.MaxWidth(90))) { savedInventory.RemoveAll(itemTypeData); return; }
                EditorGUILayout.EndHorizontal();
            }
        }
    }
}