using Cal.DataTable;
using ET;
using FairyGUI;
using System;
using System.Collections.Generic;
using NPOI.SS.Formula.Functions;
using UnityEngine;

namespace ET
{
    public class PetupgradeUIAwakeSyatem: AwakeSystem<PetUpgradeUI>
    {
        public override void Awake(PetUpgradeUI self)
        {
            self.Awake();
        }
    }

    public class PetupgradeUIDestroySyatem: DestroySystem<PetUpgradeUI>
    {
        public override void Destroy(PetUpgradeUI self)
        {
            self.Destroy();
        }
    }

    public class PetUpgradeUI: Entity
    {
        private FUI_PetUpgradeUI ui;
        private NTexture nTexture;
        private Camera rtCamera;
        private Transform skinTran;
        private RenderTexture rt;
        private PetConfig petConfig;
        private int showIndex;
        private Scene zoneScene;

        public void Awake()
        {
            zoneScene = this.ZoneScene();
            ui = GetParent<FUI_PetUpgradeUI>();
            showIndex = -1;
            AwakeAsync().Coroutine();
        }

        private async ETVoid AwakeAsync()
        {
            Pet pet = zoneScene.GetComponent<UnitComponent>().MyUnit.GetComponent<Pet>();
            petConfig = PetConfigCategory.Instance.Get(pet.petId);
            if (petConfig.UpgradeIdArr.Length > 0)
            {
                showIndex = 0;
                ShowSkin(petConfig.UpgradeIdArr[0]).Coroutine();
            }
            ShowPage().Coroutine();
            RegisterEvent();
            await ETTask.CompletedTask;
        }

        private async ETVoid ShowPage()
        {
            Pet pet = zoneScene.GetComponent<UnitComponent>().MyUnit.GetComponent<Pet>();
            this.ui.m_txtLevel.text = $"所需：{petConfig.NeedLevel}/[color={(pet.level<=petConfig.NeedLevel?"#ff0000":"#00ff00")}]{pet.level}[/color]";
            this.ui.m_txtImatcy.text = $"所需：{petConfig.NeedIntimacy}/[color={(pet.intimacy<=petConfig.NeedIntimacy?"#ff0000":"#00ff00")}]{pet.intimacy}[/color]";
        }

        private void RegisterEvent()
        {
            this.ui.m_btnChange.self.onClick.Set((() =>
            {
                int length = petConfig.UpgradeIdArr.Length;
                if (length<= 1) return;
                DestorySkin();
                showIndex = ++showIndex % length;
                ShowSkin(this.petConfig.UpgradeIdArr[showIndex]).Coroutine();
            }));
            this.ui.m_btnUpgrade.self.onClick.Set((async() =>
            {
                var ret = await zoneScene.GetComponent<SessionComponent>().Call<M2C_UpgradePet>(new C2M_UpgradePet(){index = this.showIndex});
                if (!ret.Message.IsNullOrEmpty())
                {
                    TipHelper.OpenUI(ret.Message);
                    return;
                }
                this.ui.GetComponent<FUIWindowComponent>().Window.Hide();
            }));
        }

        private async ETVoid ShowSkin(int petId)
        {
            if (petId == 0) return;
            PetConfig petConfig = PetConfigCategory.Instance.Get(petId);
            if (petConfig == null) return;
            skinTran = await ResourceViewHelper.LoadPrefabAsync(petConfig.PrefabId);
            if (nTexture == null)
            {
                Transform characterTran = await ResourceViewHelper.LoadPrefabAsync(Sys_PrefabId.Character);
                characterTran.localPosition = new Vector3(-2200, 0, 0);
                rt = CreateTexture((int) this.ui.m_icon.width, (int) this.ui.m_icon.height);
                rtCamera = characterTran.GetComponentInChildren<Camera>();
                rtCamera.targetTexture = rt;
                nTexture = new NTexture(rt);
                this.ui.m_icon.texture = nTexture;
            }

            rtCamera.enabled = true;
            skinTran.SetParent(rtCamera.transform.parent);
            skinTran.localPosition = new Vector3(0, 1.25f, 5);
        }

        private static RenderTexture CreateTexture(int width, int height)
        {
            return new RenderTexture(width, height, 24, RenderTextureFormat.ARGB32)
            {
                antiAliasing = 1, filterMode = FilterMode.Bilinear, anisoLevel = 0, useMipMap = false
            };
        }

        private void DestorySkin()
        {
            if (rtCamera)
                rtCamera.enabled = false;
            ResourceViewHelper.DestoryPrefabAsync(skinTran);
        }
        public void Destroy()
        {
            DestorySkin();
        }
    }
}