import { _decorator, Component, Node, instantiate } from "cc";
import li_BaseView from "db://assets/Scripts/Main/Common/li_BaseView";
import Utils from "db://assets/Scripts/Main/Common/Utils";
import { GButton } from "db://assets/Scripts/Main/Common/GButton";
import { PastGirlListItem } from "../../uiitems/PastGirlListItem";
import { DataManager, DataId } from "../../data/DataManager";
import { GirlData } from "../../data/GirlData";
import { ChatHistoryManager } from "../../manager/ChatHistoryManager";
import { logger } from "db://assets/Scripts/Main/Common/Logger";
import { GirlService } from "db://assets/Scripts/chat18x/network/services/GirlService";
import proto from "db://assets/Scripts/proto/proto.pb.js";

const { ccclass, property } = _decorator;

@ccclass("PastGirlListPanel")
export class PastGirlListPanel extends li_BaseView {
  private _nodeTab: any = {};

  itemInst: PastGirlListItem;
  content: Node;

  cache: PastGirlListItem[] = [];

  // 缓存池相关属性
  private itemPool: PastGirlListItem[] = [];
  private maxPoolSize: number = 20;

  onLoadCT() {
    Utils.parseNode(this.node, this._nodeTab);
    this.registerListener();
    this.itemInst = this._nodeTab.BubbleItem.getComponent(PastGirlListItem);
    this.itemInst.node.active = false;
    this.content = this._nodeTab.content;
    //this.refresh();
  }

  // 从缓存池获取节点
  private getItemFromPool(): PastGirlListItem {
    if (this.itemPool.length > 0) {
      return this.itemPool.pop();
    } else {
      // 缓存池为空，检查是否有隐藏的节点可以复用
      for (let i = 0; i < this.content.children.length; i++) {
        let childNode = this.content.children[i];
        if (!childNode.active && childNode !== this.itemInst.node) {
          let item = childNode.getComponent(PastGirlListItem);
          if (item) {
            return item;
          }
        }
      }

      // 没有可复用的节点，创建新节点
      let newNode = instantiate(this.itemInst.node);
      let item = newNode.getComponent(PastGirlListItem);
      this.content.addChild(newNode);
      return item;
    }
  }

  // 将节点回收到缓存池
  private returnItemToPool(item: PastGirlListItem) {
    if (this.itemPool.length < this.maxPoolSize) {
      item.reset();
      this.itemPool.push(item);
    } else {
      // 缓存池已满，隐藏节点但不销毁
      item.reset();
    }
  }

  protected onEnable(): void {
    this.refresh();
  }

  private async getUnlockedGirls(): Promise<number[]> {
    await this.reqCanChatGirlData();

    const GirlData = DataManager.I.getDataById<GirlData>(DataId.Girl);
    const allids = GirlData.getAllCanChatGirlIds();
    logger.log(allids);
    return allids;
  }

  cacheIds: number[];
  async refresh() {
    // 获取已解锁女孩列表
    const ids = await this.getUnlockedGirls();

    if (this.cacheIds && ids && this.cacheIds.length == ids.length) {
      let isSame = true;
      for (let i = 0; i < ids.length; i++) {
        const element = ids[i];
        if (this.cacheIds[i] != element) {
          isSame = false;
          break;
        }
      }
      if (isSame) {
        //相同 那就只刷新聊天时间，不刷新item
        for (let i = 0; i < this.cache.length; i++) {
          this.cache[i].refreshSimple();
        }
        return;
      }
    }
    this.cacheIds = ids;

    // 回收当前显示的节点到缓存池
    if (this.cache) {
      for (let i = this.cache.length - 1; i >= 0; i--) {
        let item = this.cache[i];
        this.returnItemToPool(item);
      }
      this.cache = [];
    }

    // 根据排序后的数据刷新界面
    for (let id of ids) {
      let item = this.getItemFromPool();
      item.refreshData(id, this.node);
      item.node.active = true;
      this.cache.push(item);

      // 确保节点在 content 中（可能已经在了）
      if (item.node.parent !== this.content) {
        this.content.addChild(item.node);
      }
    }
  }

  hide() {
    this.node.active = false;
  }

  private registerListener() {
    GButton.BandClick(this._nodeTab.ReturnBtn, this.Return, this);
  }

  Return() {
    // 直接关闭，不需要动画
    this.node.active = false;
  }

  // 获取可聊天的技师数据
  private async reqCanChatGirlData() {
    const reqData = {
      page: 1,
      limit: 20,
    };
    let res = await GirlService.I.reqCanChatGirlData(reqData);
    if (res && res.code === proto.cs.EnmRetCode.SUCCESS) {
      const resData = res.data;
      const girlData = DataManager.I.getDataById<GirlData>(DataId.Girl);
      girlData.setCanChatGirlData(resData);
    }
  }

  onDestroy() {
    // 清理缓存池，销毁所有缓存的节点
    for (let item of this.itemPool) {
      if (item && item.node) {
        item.node.destroy();
      }
    }
    this.itemPool = [];

    // 清理当前显示的节点
    for (let item of this.cache) {
      if (item && item.node) {
        item.node.destroy();
      }
    }
    this.cache = [];

    // 清理 content 中所有的 GirlListItem 节点
    for (let i = this.content.children.length - 1; i >= 0; i--) {
      let child = this.content.children[i];
      if (child !== this.itemInst.node) {
        let item = child.getComponent(PastGirlListItem);
        if (item) {
          child.destroy();
        }
      }
    }
  }
}