using System;
using System.Collections.Generic;
using UnityEngine;

namespace DDD
{
    public class TabGroupUi<T> : MonoBehaviour where T : Enum
    {
        [SerializeField] private List<TabButtonUi<T>> _tabButtons;

        private Dictionary<T, TabButtonUi<T>> _tabLookup;
        private Action<T> _onTabSelected;

        public T CurrentTab { get; private set; }

        public List<T> TabOrder => _tabButtons.ConvertAll(b => b.TabType);

        public void Initialize(Action<T> onTabSelected)
        {
            _onTabSelected = onTabSelected;
            _tabLookup = new Dictionary<T, TabButtonUi<T>>();

            foreach (var tab in _tabButtons)
            {
                tab.Initialize(OnTabClicked);
                _tabLookup[tab.TabType] = tab;
            }

            if (_tabButtons.Count > 0)
            {
                SelectTab(_tabButtons[0].TabType);
            }
        }

        private void OnTabClicked(T type)
        {
            SelectTab(type);
        }

        public void SelectTab(T type)
        {
            CurrentTab = type;
            foreach (var tab in _tabButtons)
            {
                tab.SetSelected(tab.TabType.Equals(type));
            }
            _onTabSelected?.Invoke(type);
        }

        public void Move(int direction)
        {
            var tabTypes = TabOrder;
            int index = tabTypes.IndexOf(CurrentTab);
            int count = tabTypes.Count;

            if (count == 0) return;

            int newIndex = (index + direction + count) % count;
            SelectTab(tabTypes[newIndex]);
        }
    }
}