import { _decorator, Component, Node, Label, instantiate } from 'cc';
import { UserMgr } from '../../module_basic/scripts/UserMgr';
import { SubGameMgr } from '../../module_basic/scripts/SubGameMgr';
import { RoomListItem } from './RoomListItem';
const { ccclass, property } = _decorator;

const PAGE_ITEM_NUM = 7;
const PAGE_REFRESH_TIME = 3;

@ccclass('RoomList')
export class RoomList extends Component {
    @property(Node)
    contentRoot: Node;

    @property(Node)
    tips: Node;

    @property(Label)
    lblPage: Label;

    private _curPage: number = 0;
    private _pageNum: number = 1;

    private _itemPrefab: Node;

    async start() {
        this.contentRoot.active = false;
        this.tips.active = true;
        this._itemPrefab = this.contentRoot.children[0];
        this._itemPrefab.removeFromParent();
        this.updatePageLabelView();
        this.refreshRoomList(this._curPage, PAGE_ITEM_NUM);
     
        this.schedule(() => {
            this.refreshRoomList(this._curPage, PAGE_ITEM_NUM);
        }, PAGE_REFRESH_TIME);
    }

    async refreshRoomList(curPage: number, pageItemNum: number) {
        if(this._waitingData == true){
            return;
        }
        this._waitingData = true;
        let ret = await UserMgr.inst.rpc_GetRoomList(SubGameMgr.current.id, curPage, pageItemNum);
        this._waitingData = false;
        if (!ret.isSucc) {
            return;
        }
        if (!this.isValid) {
            return;
        }
        this._curPage = ret.res.curPage;
        this._pageNum = ret.res.pageNum;
        this.updatePageLabelView();

        let rooms = ret.res.rooms;
        if (rooms) {
            this.contentRoot.children.forEach(v => {
                v.active = false;
            });
            this.tips.active = false;
            this.contentRoot.active = true;
            for (let i = 0; i < rooms.length; ++i) {
                let node = this.contentRoot.children[i];
                if (!node) {
                    node = instantiate(this._itemPrefab);
                    this.contentRoot.addChild(node);
                }

                node.active = true;

                let cache = rooms[i];
                let item = node.getComponent(RoomListItem);

                item.lblRoomId.string = cache.displayId;
                item.lblName.string = cache.name;
                item.lblPlayerNum.string = cache.playerNum + '/' + cache.maxPlayerNum;

                let maxSpectatorNum = cache.maxUserNum - cache.maxPlayerNum;
                let spectatorNum = cache.userNum - cache.playerNum;
                item.lblSpectatorNum.string = spectatorNum + '/' + maxSpectatorNum;

                item.needPassword = cache.needPassword;
            }
        }
    }

    update(deltaTime: number) {

    }

    private _waitingData = false;
    private _lastClickTime = Date.now();

    updatePageLabelView(){
        if(this._pageNum == 0){
            this.lblPage.string = '0/0';
        }
        else{
            this.lblPage.string = (this._curPage + 1) + '/' + this._pageNum;
        }
    }

    onBtnPrePage() {
        if(this._waitingData || Date.now() - this._lastClickTime < 1000){
            return;
        }
        this._lastClickTime = Date.now();

        this._curPage--;
        if (this._curPage < 0) {
            this._curPage = 0;
        }
        this.refreshRoomList(this._curPage, PAGE_ITEM_NUM);
    }

    onBtnNextPage() {
        if(this._waitingData || Date.now() - this._lastClickTime < 1000){
            return;
        }
        this._lastClickTime = Date.now();

        this._curPage++;
        if (this._curPage >= this._pageNum) {
            this._curPage = this._pageNum - 1;
        }
        this.refreshRoomList(this._curPage, PAGE_ITEM_NUM);
    }
}