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

using UnityEngine;
using UnityEngine.UI;

namespace Snxxz.UI
{
    public class TalentSkillBehaviour : MonoBehaviour
    {
        [SerializeField] Image m_Icon;
        [SerializeField] Text m_Level;
        [SerializeField] Button m_Button;
        [SerializeField] RectTransform m_ContainerSelect;

        int skillId = 0;

        TalentModel model { get { return ModelCenter.Instance.GetModel<TalentModel>(); } }

        private void Awake()
        {
            m_Button.onClick.AddListener(SelectSkill);
        }

        public void Display(int _skillId)
        {
            skillId = _skillId;
            model.talentSkillUpdate -= TalentSkillUpdate;
            model.talentSkillUpdate += TalentSkillUpdate;
            model.selectSkillEvent -= OnSelectSkillEvent;
            model.selectSkillEvent += OnSelectSkillEvent;
            model.talentPointUpdate -= TalentPointUpdate;
            model.talentPointUpdate += TalentPointUpdate;
            model.talentSkillLevelUp -= TalentSkillLevelUp;
            model.talentSkillLevelUp += TalentSkillLevelUp;
            Display();
        }

        private void Display()
        {
            TalentSkill talent;
            if (model.TryGetTalent(skillId, out talent))
            {
                var config = SkillConfig.Get(talent.skillId);
                if (config != null)
                {
                    m_Icon.SetSprite(config.IconName);
                }
                m_Level.text = StringUtility.Contact(talent.level, "/", talent.maxLevel);
                DisplayState();
                m_ContainerSelect.gameObject.SetActive(skillId == model.selectSkill);
            }
        }

        private void DisplayState()
        {
            TalentSkill talent;
            if (model.TryGetTalent(skillId, out talent))
            {
                var error = 0;
                m_Icon.material = talent.level > 0 || model.SatisfyLevelUp(talent.skillId, out error) ?
                    MaterialUtility.GetUIDefaultGraphicMaterial() : MaterialUtility.GetDefaultSpriteGrayMaterial();
            }
        }

        private void TalentSkillUpdate(int _skillid)
        {
            if (skillId == _skillid)
            {
                Display();
            }
            else if (skillId != 0)
            {
                DisplayState();
            }
        }

        private void OnSelectSkillEvent()
        {
            m_ContainerSelect.gameObject.SetActive(skillId == model.selectSkill);
        }

        public void Dispose()
        {
            model.talentSkillUpdate -= TalentSkillUpdate;
            model.selectSkillEvent -= OnSelectSkillEvent;
            model.talentPointUpdate -= TalentPointUpdate;
            model.talentSkillLevelUp -= TalentSkillLevelUp;
        }

        private void TalentSkillLevelUp(int _skillId)
        {
            if (skillId != 0 && skillId == _skillId)
            {
                EffectMgr.Instance.PlayUIEffect(3069, 2500, transform, false);
            }
        }

        private void TalentPointUpdate()
        {
            if (skillId != 0)
            {
                DisplayState();
            }
        }

        private void SelectSkill()
        {
            if (skillId != 0)
            {
                model.selectSkill = skillId;
            }
        }
    }
}