import { UIButton } from "../../gcommon/UIButton";
import { GameMng } from "../../GameMng";
import CanjuModel from "./CanjuModel";
import CellCanJuSel from "./CellCanJuSel";
import { _decorator ,Component,Label,Node,instantiate} from "cc";
const {ccclass, property} = _decorator;

@ccclass
export default class UICanJuSel extends Component {
    @property({ type: Node })
    public content: Node | null = null;
    private maxGridNum=12;
    private allPageNum=0;
    private curPage:number=1;
    @property(Node)
    btnNext: Node = null;
    @property(Node)
    btnUp: Node = null;
    start(){
        
        UIButton.BindClick(this.btnNext,()=>{
            this.nextPage();
        },this);
        UIButton.BindClick(this.btnUp,()=>{
            this.upPage();
        },this);
        this.initUI();
    }
    initUI(){
        for(let i=0;i<CanjuModel.Instance.canjuDataArr.length;i++){
            let gnode=instantiate(GameMng.Instance.canjuCell);
            gnode.getComponent(CellCanJuSel).setData(i);
            this.content.addChild(gnode);
            
        }
        let getcurpage=Math.floor(CanjuModel.Instance.getCurMaxLevel()/this.maxGridNum);
        if(CanjuModel.Instance.getCurMaxLevel()%this.maxGridNum!=0)
        getcurpage+=1;
        this.curPage=getcurpage;
        this.getallpage();
        this.selectPage(this.curPage);
    }
    private getallpage(){
        let allnum=CanjuModel.Instance.canjuDataArr.length;
        this.allPageNum=Math.floor(allnum/this.maxGridNum);
        let count=allnum%this.maxGridNum;
        if(count!=0)
        this.allPageNum+=1;
        return this.allPageNum;
    }
    nextPage(){
        if(this.curPage<this.allPageNum)
        this.curPage++;
        this.selectPage(this.curPage);

    }
    upPage(){
        if(this.curPage>1)
        this.curPage--;
        this.selectPage(this.curPage);
    }
    selectPage(pagenum:number){
        this.btnUp.active=pagenum!=1;
        
       if(pagenum>this.allPageNum)return;
       let count=this.maxGridNum;
       if(pagenum==this.allPageNum){
          let yushu=CanjuModel.Instance.canjuDataArr.length%this.maxGridNum;
           if(yushu!=0)
           count=yushu;
       }
       this.content.removeAllChildren();
       //
       let startIndex=(pagenum-1)*this.maxGridNum;
       if(pagenum>=this.allPageNum){
           this.btnNext.active=false;
       }
       else{
           this.btnNext.active=true;
       }
       
       for(let i=0;i<count;i++)
       {
           let cellNode = instantiate(GameMng.Instance.canjuCell);
           this.content.addChild(cellNode);
           cellNode.getComponent(CellCanJuSel).setData(startIndex+i);
       }
   }
}