/*
 * Copyright (c) 2022-2023 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import fileio from '@ohos.fileio';
import {CustomContainer} from '../common/ExperienceCustomContainer';
import FirstDialog from '../model/FirstDialog';
import context from '@ohos.app.ability.common';
import router from '@ohos.router';

let abilityContext = getContext(this) as context.UIAbilityContext;
let path = globalThis.dir;
let path1 = path + '/ExperienceData';
let Xpath = path1 + '/DeskFps.log'
@Entry
@Component
struct CustomContainerUser {
  @State name: string = 'DeskFps';
  @State StepTips: string = '操作步骤：根据操作提示滑动系统桌面测试帧率'+'\n'+'预期结果：帧率大于54帧测试通过';
  @State Vue: boolean = false;
  @State StartEnable: boolean = true;
  @State Fps: string = '0';
  async aboutToAppear(){
    await FirstDialog.ChooseDialog(this.StepTips,this.name);
    this.Vue = false;
  }

  @Builder specificNoParam() {
    Column() {
      Flex({direction:FlexDirection.Column,alignItems: ItemAlign.Center, justifyContent: FlexAlign.SpaceBetween }) {
        Column(){
          Row(){
            Text(`根据以下操作步骤完成测试`+ '\n' + '\n' + '\n' + '\n'+ '\n' + '\n' + '\n' + '\n')
              .fontColor(Color.White).fontSize('24fp')
          }
          Row(){
            Text(`测试步骤:`+ '\n' + '\n' + '1.测试设备通过USB连接工作台' + '\n' + '\n' + `2.点击开始键进入系统桌面`+ '\n' + '\n'
            + `3.工作台运行’点击启动测试.bat‘选择帧率>桌面`+ '\n' + '\n' +`4.左右滑动系统桌面连续10s以上` + '\n' + '\n'
            + '5.回到DeskFps测试项点击结束键' + '\n' + '\n' + `6.若测试最高帧率大于54帧则通过测试`
            + '\n' + '\n' + '\n' + '\n' + '\n' + '\n' + '\n' + '\n' )
              .fontColor(Color.White).fontSize('20fp')
          }
          Row(){
            Column(){
              Button(`开始`)
                .borderRadius(8)
                .backgroundColor(0x317aff)
                .width('30%')
                .enabled(this.StartEnable)
                .opacity(this.StartEnable? 1 : 0.4)
                .onClick(async () => {
                  this.StartEnable = !this.StartEnable;
                  let str = {
                    bundleName:"com.ohos.launcher",
                    abilityName: "com.ohos.launcher.MainAbility",
                  }
                  abilityContext.startAbility(str).then((data) => {

                  }).catch((error) => {

                  })
                })
            }
            Column(){
              Button(`结束`)
                .borderRadius(8)
                .backgroundColor(0x317aff)
                .width('30%')
                .enabled(!this.StartEnable)
                .opacity(!this.StartEnable? 1 : 0.4)
                .onClick(() => {
                  this.StartEnable = !this.StartEnable
                  let fd = fileio.openSync(Xpath, 0o100 | 0o2002, 0o664);
                  let buf = new ArrayBuffer(4096);
                  fileio.readSync(fd,buf);
                  let report = String.fromCharCode.apply(null,new Uint8Array(buf));
                  let headList = new Array();
                  let endList = new Array();
                  let head = report.indexOf(":");
                  let end = report.indexOf('|');
                  let Fps = new Array();

                  while(head > -1){
                    headList.push(head);
                    head = report.indexOf(":",head + 1);
                  }
                  while(end > -1){
                    endList.push(end);
                    end = report.indexOf("|",end + 1);
                  }
                  for(let i = 0; i < headList.length; i++) {
                    Fps[i] = Number(report.substring(headList[i]+1,endList[i]));
                  }
                  let maxFps = Math.max(...Fps);
                  this.Fps = maxFps.toString();
                  if(maxFps >= 54) {
                    this.Vue = true;
                  }
                })
            }
          }
          Row(){
            Text('\n' + '\n' + '\n' + '\n'+ '\n' + '\n' + '\n' + '\n' + `测试结果：` + this.Fps + '帧' )
              .fontColor(Color.White).fontSize('24fp')
          }
        }

      }
    }.width('100%').height('80%').backgroundColor(Color.Black)
    .justifyContent(FlexAlign.SpaceEvenly)
  }
  build() {
    Column() {
      CustomContainer({
        title: this.name,
        Url:'pages/Experience/Experience_index',
        StepTips:this.StepTips,
        content: this.specificNoParam,
        name:$name,
        Vue: $Vue,
        StartEnable: $StartEnable,
        Fps: $Fps
      })
    }.width('100%').height('100%').backgroundColor(Color.Black)
  }
  onBackPress(){
    router.replaceUrl({
      url:'pages/Experience/Experience_index',
    })
  }
}