//--------------------------------------------------------
//    [Author]:           第二世界
//    [  Date ]:           Thursday, April 18, 2019
//--------------------------------------------------------

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

namespace Snxxz.UI
{

    public class AlchemyUseDrugWin : Window
    {
        [SerializeField] ScrollerController m_Controller;
        [SerializeField] AlchemySortBehaviour m_AlchemyTypeSort;
        [SerializeField] AlchemySortBehaviour m_AlchemyQualitySort;

        List<int> displayItems = new List<int>();

        AlchemyModel model { get { return ModelCenter.Instance.GetModel<AlchemyModel>(); } }
        PackModel packModel { get { return ModelCenter.Instance.GetModel<PackModel>(); } }

        #region Built-in
        protected override void BindController()
        {
        }

        protected override void AddListeners()
        {
            m_Controller.OnRefreshCell += OnRefreshCell;
        }

        protected override void OnPreOpen()
        {
            m_AlchemyTypeSort.Display();
            m_AlchemyQualitySort.Display();

            Display();
            
            AlchemySortBehaviour.onSortRefresh += OnSortRefresh;
            model.alchemyDrugUseRefresh += AlchemyDrugUseRefresh;
            packModel.refreshItemCountEvent += RefreshItemCountEvent;
        }

        protected override void OnAfterOpen()
        {
        }

        protected override void OnPreClose()
        {
            AlchemySortBehaviour.onSortRefresh -= OnSortRefresh;
            model.alchemyDrugUseRefresh -= AlchemyDrugUseRefresh;
            packModel.refreshItemCountEvent -= RefreshItemCountEvent;
        }

        protected override void OnAfterClose()
        {
        }
        #endregion

        void Display()
        {
            DisplayDrugs();
        }

        void DisplayDrugs()
        {
            var lastCount = displayItems.Count;

            displayItems.Clear();

            var items = model.GetAlchemyDrugs();
            foreach (var id in items)
            {
                var config = AttrFruitConfig.Get(id);
                var itemConfig = ItemConfig.Get(id);
                if (m_AlchemyTypeSort.IsSortEnabled(config.drugType)
                    && m_AlchemyQualitySort.IsSortEnabled(itemConfig.LV))
                {
                    displayItems.Add(id);
                }
            }

            displayItems.Sort(Compare);

            if (lastCount != displayItems.Count)
            {
                m_Controller.Refresh();
                for (int i = 0; i < displayItems.Count; i++)
                {
                    m_Controller.AddCell(ScrollerDataType.Header, i);
                }
                m_Controller.Restart();
            }
            else
            {
                m_Controller.m_Scorller.RefreshActiveCellViews();
            }
        }

        private void OnSortRefresh()
        {
            DisplayDrugs();
        }

        private void AlchemyDrugUseRefresh()
        {
            DisplayDrugs();
        }

        private void OnRefreshCell(ScrollerDataType type, CellView cell)
        {
            var useDrugCell = cell as AlchemyUseDrugCell;
            useDrugCell.Display(displayItems[cell.index]);
        }

        private void RefreshItemCountEvent(PackType packType, int arg2, int itemId)
        {
            if (packType == PackType.Item && displayItems.Contains(itemId))
            {
                DisplayDrugs();
            }
        }

        private int Compare(int lhs, int rhs)
        {
            var lhs_state = model.GetAlchemyDrugState(lhs);
            var rhs_state = model.GetAlchemyDrugState(rhs);
            if (lhs_state != rhs_state)
            {
                return lhs_state.CompareTo(rhs_state);
            }
            var lhs_Config = ItemConfig.Get(lhs);
            var rhs_Config = ItemConfig.Get(rhs);
            if (lhs_Config.LV != rhs_Config.LV)
            {
                return -lhs_Config.LV.CompareTo(rhs_Config.LV);
            }
            return lhs.CompareTo(rhs);
        }
    }
}