using System.Collections;
using System.Collections.Generic;
using UnityEditor;
using UnityEngine;
using UnityEngine.UIElements;
using UnityEditor.UIElements;

namespace PVSkill
{
    public class SkillSonElement
    {
        private VisualElement root;
        private SkillSonConfig curSkillSonConfig;
        
        // elem
        private Label skillDescLbl;
        private Label actionTypeLbl;
        private Label objectTypeLbl;
        private Label scopeTypeLbl;
        private Label CDTypeLbl;

        private ListView buffListView;
        private SkillBuffElement buffElement;

        public SkillSonElement(VisualElement root)
        {
            var visualTree = AssetDatabase.LoadAssetAtPath<VisualTreeAsset>("Assets/Editor/SkillEditor/SkillSonElement.uxml");
            visualTree.CloneTree(root);
            this.root = root;

            this.skillDescLbl = root.Q<Label>("SkillDescLbl");
            this.actionTypeLbl = root.Q<Label>("ActionTypeLbl");
            this.objectTypeLbl = root.Q<Label>("ObjectTypeLbl");
            this.scopeTypeLbl = root.Q<Label>("ScopeTypeLbl");
            this.CDTypeLbl = root.Q<Label>("CDTypeLbl");

            this.buffListView = root.Q<ListView>("BuffListView");
            this.buffListView.bindItem = this.BindBuffListItem;
            this.buffListView.makeItem = this.MakeBuffListItem;
            this.buffListView.onSelectionChange += this.OnBuffItemChosen;
            var buffInfo = root.Q<VisualElement>("BuffInfo");
            this.buffElement = new SkillBuffElement(buffInfo);
        }

        private void RefreshBuffItems(int[] buffs)
        {
            if (buffs == null || buffs[0] == 0)
            {
                this.buffListView.itemsSource = new List<int>();
                this.buffListView.ClearSelection();
                this.buffElement.Hide();
            }
            else
            {
                this.buffListView.itemsSource = buffs;
                this.buffListView.selectedIndex = 0;
            }
            
            this.buffListView.RefreshItems();
        }
        
        private void BindBuffListItem(VisualElement ve, int index)
        {
            Label label = ve as Label;
            var buffId = this.curSkillSonConfig.Buff[index];
            var config = SkillBuffConfigCategory.Instance.Get(buffId);
            label.text = config.Name;
        }

        private VisualElement MakeBuffListItem()
        {
            var label = new Label();
            // label.AddToClassList("FatherSkillLabel");
            return label;
        }

        private void OnBuffItemChosen(IEnumerable<object> obj)
        {
            foreach (object o in obj)
            {
                int buffId = (int) o;
                var config = SkillBuffConfigCategory.Instance.Get(buffId);
                this.buffElement.SetDataByConfig(config);
            }
        }

        public void SetActionType(int type)
        {
            this.actionTypeLbl.text = SkillEditorDefines.ActionTypeMap[type];
        }

        public void SetObjectType(int type)
        {
            this.objectTypeLbl.text = SkillEditorDefines.ObjectTypeMap[type];
        }

        public void SetScopeType(int type)
        {
            this.scopeTypeLbl.text = SkillEditorDefines.ScopeTypeMap[type];
        }

        public void SetCDType(int type)
        {
            this.CDTypeLbl.text = SkillEditorDefines.CDTypeMap[type];
        }

        public void SetDesc(string desc)
        {
            this.skillDescLbl.text = desc;
        }

        public void Hide()
        {
            this.root.style.display = DisplayStyle.None;
        }

        public void SetDataByConfig(SkillSonConfig config)
        {
            this.curSkillSonConfig = config;
            this.root.style.display = DisplayStyle.Flex;
            this.SetDesc(config.Describe);
            this.SetActionType(config.ActionType);
            this.SetObjectType(config.ObjectType);
            this.SetScopeType(config.ScopeType);
         //   this.SetCDType(config.CDType);

            int[] buffs = this.curSkillSonConfig.Buff;
            this.RefreshBuffItems(buffs);
        }
    }
}