using System.Collections.Generic;
using UnityEngine;
using Game.Battle;

namespace Game
{
    public class PageBlessChoose : UIPageBase<ViewBlessChoose>
    {
        private List<string> _blessList;
        private int _choiceNow = 0;
        private int _choiceMax = 0;
        private bool _isChoiceOpen = true;
        public PageBlessChoose()
        {
        }
        protected override void OnCreate()
        {
            CreateUI(true);
        }
        protected override void OnDestroy()
        {
        }
        protected override void OnOpen(params object[] values)
        {
            UIManager.Instance.Open(EuiPage.BlessList, true);
            Util.SetControl(false);

            if (values.Length == 0)
            {
                Util.Print("PageBlessChoose 未传入目标元素");
                UIManager.Instance.Close();
                return;
            }
            RefreshBless();
        }
        protected override void OnClose()
        {
            Util.SetControl(true);
        }
        private void RefreshBless()
        {
            GameRandom.Shuffle(_blessList);
            var blessNum = Mathf.Min(3, _blessList.Count);
            var uiList = View.m_blessList;
            uiList.RemoveChildrenToPool();
            for (int i = 0; i < blessNum; i++)
            {
                var item = uiList.AddItemFromPool() as ViewBlessItem;
                var cfg = Util.GetBlessConfig(_blessList[i]);
                item.m_BlessName.text = cfg.Bless.Name;
                item.m_BlessDesc.text = cfg.Bless.Describe;
                item.m_BlessIcon.texture = Texture(cfg.Bless.Icon);
            }
            _choiceNow = 0;
            _choiceMax = blessNum;
            RefreshChoiceSelecet();
        }
        private void RefreshChoiceSelecet()
        {
            var choiceList = View.m_blessList.GetChildren();
            for (int i = 0; i < choiceList.Length; i++)
            {
                var choice = choiceList[i] as ViewBlessItem;
                choice.m_c1.selectedIndex = i == _choiceNow ? 1 : 0;
            }
        }
        protected override void OnInput(PPlayerInput context)
        {
            if (context.Action == EKeyActionType.Press)
            {
                if (context.Key == EFunctionKey.Up || context.Key == EFunctionKey.Down)
                {
                    if (!_isChoiceOpen)
                    {
                        return;
                    }
                    if (_blessList.Count == 0)
                    {
                        return;
                    }
                    var newIndex = _choiceNow;
                    if (context.Key == EFunctionKey.Up)
                    {
                        newIndex--;
                    }
                    else
                    {
                        newIndex++;
                    }
                    _choiceNow = (newIndex + _choiceMax) % _choiceMax;
                    RefreshChoiceSelecet();
                }
                if (context.Key == EFunctionKey.Jump)
                {
                    if (_blessList.Count > 0)
                    {
                        var chosenBless = _blessList[_choiceNow];
                        var master = Util.GetMaster();
                        Util.AddBless(master, chosenBless);
                    }
                    UIManager.Instance.Close();

                }
                if (context.Key == EFunctionKey.Refresh)
                {
                    RefreshBless();
                }
            }
        }
    }
}