squat_or_die

const Obniz = require('obniz');
const obniz = new Obniz('Obniz_ID');  // Obniz_ID に自分のIDを入れます

const express = require('express');
const line = require('@line/bot-sdk');
const axios = require('axios');
const PORT = process.env.PORT || 3000;

const config = {
    channelAccessToken: 'チャンネルアクセストークン',
    channelSecret: 'チャンネルシークレット'
};

const app = express();

app.post('/webhook', line.middleware(config), (req, res) => {
    console.log(req.body.events);
    Promise
      .all(req.body.events.map(handleEvent))
      .then((result) => res.json(result));
});

const client = new line.Client(config);

// obniz接続
obniz.onconnect = async function () {
  obniz.display.clear();
  obniz.display.print('Lets SQUAT TIME!!');
}

function handleEvent(event) {
  if (event.type !== 'message' || event.message.type !== 'text') {
    return Promise.resolve(null);
  }

  let original =''
  let prev =''
  if(event.message.text.match('よろしく')){
    original = 'https://cdn-ak.f.st-hatena.com/images/fotolife/u/unias_tawa/20200812/20200812192444.png';
    prev = 'https://cdn-ak.f.st-hatena.com/images/fotolife/u/unias_tawa/20200812/20200812192444.png';
    getAskObnizCount(event.source.userId); 
  }else if(event.message.text.match('無理')){
    original = 'https://cdn-ak.f.st-hatena.com/images/fotolife/u/unias_tawa/20200812/20200812200429.png';
    prev = 'https://cdn-ak.f.st-hatena.com/images/fotolife/u/unias_tawa/20200812/20200812200429.png';
  }else if(event.message.text.match('20回')){    
    original = 'https://cdn-ak.f.st-hatena.com/images/fotolife/u/unias_tawa/20200812/20200812201343.png';
    prev = 'https://cdn-ak.f.st-hatena.com/images/fotolife/u/unias_tawa/20200812/20200812201343.png';
  }else{
    original = '';
    prev = '';
  }

  return client.replyMessage(event.replyToken, {
    type: 'image',
    originalContentUrl:original,
    previewImageUrl:prev,
  });
}

const getAskObnizCount = async (userId) => {
    // 超音波距離センサーを呼び出す
    const hcsr04 = obniz.wired('HC-SR04', {gnd:0, echo:1, trigger:2, vcc:3});
    obniz.display.clear();  // 一旦クリアする
    obniz.display.print('Lets SQUAT TIME!!');  // Hello obniz!という文字を出す
    //スクワットした時の最大股下距離
    const minDistance = 500;
    var count = 0;
    let squat = true;
    const nosquat = (distance) => {
      //しゃがんでる時は常にtrue
      //体を起こしきって初めて距離の判定をする(squat = falseになるので)
      return squat || distance > minDistance
    }
    while(true) {
      const distance = await hcsr04.measureWait();
      squat = nosquat(distance);
      currentAngle = distance > minDistance ? 90 : 0;
     
      //体を起こしてから倒しきるまでは距離がminDistance以下であってもカウントしない
      if (distance && distance <= minDistance && squat){
        obniz.display.clear();
        squat = false;
        console.log(count);
        obniz.display.print(count);
        count++
        await obniz.wait(1000);
      }
    }


}
app.listen(PORT);
console.log(`Server running at ${PORT}`);