import { _decorator, Component, EventTouch, instantiate, Label, Node, Prefab, UITransform, Vec3 } from 'cc';
import { http } from '../script/http';
import { getTestUserListMessage } from '../data/data';
const { ccclass, property } = _decorator;

@ccclass('test')
export class test extends Component {
  @property(Node) bg: Node = null;
  @property(Node) level_list: Node = null;
  @property(Prefab) level_item: Prefab = null;
  @property(Node) lab_info: Node = null;
  @property(Node) btn_click: Node = null;

  private m_data_list: string[] = []
  private x_len: number = 0;
  private m_page_number: number = 1
  private m_page_total_number: number = 3

  protected start(): void {
    // let self = this;
    // this.btn_click.on(Node.EventType.TOUCH_END, () => {
    //   http.run_get("https://static.hainanmlwl.com/smistatic/user_test.json", (err, data) => {
    //     if (!err) {
    //       console.log(" -- -", http.static_domain + http.get_test_user_list())
    //       // let _data:getTestUserListMessage = JSON.parse(data)
    //       self.lab_info.getComponent(Label).string = data;
    //     }
    //   })
    // })

    this.updatePage(this.m_page_number)
    this.initGameList()
    this.initLevelListTouch()
  }

  initGameList() {
    this.level_list.removeAllChildren()
    for (let index = 0; index < this.m_data_list.length; index++) {
      const element = this.m_data_list[index]
      let item = instantiate(this.level_item)
      item.parent = this.level_list
    }
  }

  initLevelListTouch() {
    this.level_list.on(Node.EventType.TOUCH_START, (et: EventTouch) => {
    })
    this.level_list.on(Node.EventType.TOUCH_MOVE, (et: EventTouch) => {
      let p = new Vec3(et.getUILocation().x, et.getUILocation().y)
      let n_p = this.level_list.parent.getComponent(UITransform).convertToNodeSpaceAR(p)
      let pos = this.level_list.parent.getComponent(UITransform).convertToWorldSpaceAR(this.level_list.position)
      if (this.x_len == 0) {
        this.x_len = (et.getUILocation().x - pos.x) * 2;
      }
      this.level_list.position = new Vec3(n_p.x - this.x_len, this.level_list.position.y);
    })
    this.level_list.on(Node.EventType.TOUCH_END, (et: EventTouch) => {
      this.x_len = 0
      console.log('TOUCH_END ',this.level_list.position.x)
      this.moveScroll()
      this.level_list.position = new Vec3(0,this.level_list.position.y)
    })
    this.level_list.on(Node.EventType.TOUCH_CANCEL, (et: EventTouch)=> {
      this.x_len = 0
      console.log('TOUCH_CANCEL ',this.level_list.position.x)
      this.moveScroll()
      this.level_list.position = new Vec3(0,this.level_list.position.y)
    })
  }

  moveScroll() {
    if(this.level_list.position.x < 0) { // 向左滑动
      console.log('向左滑动')
      this.onNextPage()
    }
    if(this.level_list.position.x > 0) { // 向右滑动
      this.onUpPage()
    }
  }

  updatePage(page: number) {
    this.m_page_number = page
    if (page == 1) {
      this.m_data_list = ['1', '2', '3', '4', '5', '6']
    } else if(page == 2) {
      this.m_data_list = ['1', '2', '3', '4']
    } else {
      this.m_data_list = ['1']
    }

    this.initGameList()
  }

  onUpPage() {
    let c_page_number = this.m_page_number - 1
    if(c_page_number < 1) {
      return
    }
    this.updatePage(c_page_number)
  }

  onNextPage() {
    let c_page_number = this.m_page_number + 1
    if(c_page_number > this.m_page_total_number) {
      return
    }
    this.updatePage(c_page_number)
  }

}