using BrewMonster.Assets.PerfectWorld.Scripts.UI.GamePlay;
using BrewMonster.UI;
using System;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

namespace BrewMonster
{
    public class CDlgSkillSubPool : AUIDialog
    {
        private readonly SortedSet<int> m_skills = new();
        [SerializeField] private Transform ptSkillContainer;
        [SerializeField] private Transform psSkillContainer;
        [SerializeField] private List<AUIImagePicture> psSkillSlotList;
        [SerializeField] private List<AUIImagePicture> ptSkillSlotList;
        [SerializeField] private SkillSetUpComboWidget _skillSetUpComboWidget;

        private AUIImagePicture _currentSelectSkill;
        private SkillSlotWidget _currentSelectComboSlot;
        private bool _isInEditComboMode;

        private void Awake()
        {
            SetUp();
            foreach (var skill in ptSkillSlotList)
            {
                if (skill is LearnedSkillUI skillUI)
                {
                    skillUI.OnClickedSkill += OnClickedSkill;
                }
            }
        }

        public override void OnEnable()
        {
            UpdateView();
            _skillSetUpComboWidget.ShowSetUpContent(false);
            _skillSetUpComboWidget.OnClickedSkillSlot += OnClickedSkillSlot;
            _skillSetUpComboWidget.OnClickedAssignSkill += OnClickedAssignSkill;
            _skillSetUpComboWidget.OnClickedEditCombo += OnClickedEditCombo;
            _skillSetUpComboWidget.OnClickedConfirmCombo += OnClickedConfirmCombo;
        }

        public override void OnDisable()
        {
            base.OnDisable();
            _skillSetUpComboWidget.OnClickedSkillSlot -= OnClickedSkillSlot;
            _skillSetUpComboWidget.OnClickedAssignSkill -= OnClickedAssignSkill;
            _skillSetUpComboWidget.OnClickedEditCombo -= OnClickedEditCombo;
            _skillSetUpComboWidget.OnClickedConfirmCombo -= OnClickedConfirmCombo;
        }

        private void OnDestroy()
        {
            foreach (var skill in ptSkillSlotList)
            {
                if (skill is LearnedSkillUI skillUI)
                {
                    skillUI.OnClickedSkill -= OnClickedSkill;
                }
            }
        }

        private void SetUp()
        {
            LoadChildToList(ptSkillContainer, ptSkillSlotList);
            LoadChildToList(psSkillContainer, psSkillSlotList);
        }
        private void LoadChildToList(Transform parentTF, List<AUIImagePicture> slotList)
        {
            foreach (Transform child in parentTF)
            {
                AUIImagePicture img = child.GetComponent<AUIImagePicture>();
                if (img != null)
                {
                    slotList.Add(img);
                }
            }
        }

        private void OnClickedSkill(AUIImagePicture imagePicture)
        {
            _currentSelectSkill = imagePicture;
        }

        private void UpdateView()
        {
            m_skills.Clear();

            CECHostPlayer pHost = GetHostPlayer();
            int i = 0;
            int activeImgPicIndex = 1;
            int passiveImgPicIndex = 1;
            int positiveSkillNum = pHost.GetPositiveSkillNum();
            int equipSkillNum = pHost.GetEquipSkillNum();
            int passiveSkillNum = pHost.GetPassiveSkillNum();
            for (i = 0; i < positiveSkillNum; i++)
            {
                if (ptSkillSlotList.Count <= i)
                {
                    ptSkillSlotList.Add(Instantiate(ptSkillSlotList[0], ptSkillContainer));
                }
                ptSkillSlotList[i].transform.GetChild(0).gameObject.SetActive(true);
                SetImage(pHost.GetPositiveSkillByIndex(i), ptSkillSlotList[i]);
                m_skills.Add(pHost.GetPositiveSkillByIndex(i).GetSkillID());
            }
            for (i = 0; i < passiveSkillNum; i++)
            {
                if (psSkillSlotList.Count <= i)
                {
                    psSkillSlotList.Add(Instantiate(psSkillSlotList[0], psSkillContainer));
                }
                psSkillSlotList[i].transform.GetChild(0).gameObject.SetActive(true);
                SetImage(pHost.GetPassiveSkillByIndex(i), psSkillSlotList[i]);
                m_skills.Add(pHost.GetPassiveSkillByIndex(i).GetSkillID());
            }
        }
        private void SetImage(CECSkill cECSkill, AUIImagePicture learnedSkillUI)
        {
            if(cECSkill == null)
            {
                BMLogger.LogError("CDlgSkillSubPool::SetImage cECSkill is null");
                return;
            }
            BMLogger.Log($"CDlgSkillSubPool::SetImage SkillID={cECSkill.GetSkillID()} SkillName={cECSkill.GetName()} IconFile={cECSkill.GetIconFile()}");
            GetGameUIMan().SetCover(learnedSkillUI, cECSkill.GetIconFile(), EC_GAMEUI_ICONS.ICONS_SKILL);
        }
        private void OnClickedSkillSlot(SkillSlotWidget skillSlot)
        {
            _currentSelectComboSlot = skillSlot;
            _skillSetUpComboWidget.ShowSetUpContent(true);
        }
        private void OnClickedEditCombo()
        {
            if(_currentSelectComboSlot !=null)
            {
                _isInEditComboMode = true;
            }
        }

        private void OnClickedConfirmCombo()
        {
            //save
            _isInEditComboMode = true;
            _currentSelectComboSlot = null;
        }
        private void OnClickedAssignSkill(SkillSlotWidget slotWidget)
        {
            if(_isInEditComboMode && _currentSelectSkill != null && _currentSelectSkill is LearnedSkillUI skillUI)
            {
                _skillSetUpComboWidget.SetSkillToCurrentCombo(slotWidget.GetSlotIndex,(short)skillUI.SkillId);
            }
        }
    }
}