mobileSpy

if (!Array.prototype.last) { Array.prototype.last = function() { return this[this.length - 1]; }

  var historicMotion = { "x": [], "y": [], "z": [] }
  var historicOrientation = { "x": [], "y": [], "z": [] }

  function setStatus(status) {
      if(ga) { ga('set', 'dimension1', status); } //a se schimba dimensiunea cu cea necesara
  }

  function updateStatus() {
    let movement = mostRecentMovementOverall(75)

    if (mostRecentMovementOverall(4000) > 40) { // TODO: haven't tested this, 1,000 so it's a longer time
      setStatus("conduce")
    } else if (historicOrientation["z"].last() > 70 || historicOrientation["z"].last() < -70) {
      setStatus("Tolanit in pat")
    } else if (historicOrientation["y"].last() > 160 || historicOrientation["y"].last() < -160) {
      setStatus("Tolanit in pat")
    } else if (historicOrientation["y"].last() >= 30 && historicOrientation["y"].last() < 70) {
      if (movement > 18) {
        setStatus("In miscare")
      } else {
        setStatus("Sta pe loc in picioare")
      }
    } else if (historicOrientation["y"].last() >= 70 && historicOrientation["y"].last() < 95) {
      if (movement > 18) {
        setStatus("In Miscare")
      } else {
        setStatus("Pozitie de poza")
      }
    } else if (historicOrientation["y"].last() >= 95 && historicOrientation["y"].last() < 120) {
      setStatus("Pozitie de poza")
    } else if (Math.round(historicOrientation["z"].last()) == 0 && Math.round(historicOrientation["y"].last()) == 0) {
      setStatus("Telefon pe masa")
    } else {
      if (movement > 18) {
        setStatus("In miscare")
      } else {
        setStatus("Sta pe loc in picioare")
      }
    }
  }


  function mostRecentMovementOverall(numberOfHistoricPoints) {
    return (mostRecentMovement(historicMotion["x"], numberOfHistoricPoints, true) +
            mostRecentMovement(historicMotion["y"], numberOfHistoricPoints, true) +
            mostRecentMovement(historicMotion["z"], numberOfHistoricPoints, true)) / 3.0
  }

  // numberOfHistoricPoints: 100 is about 3 seconds
  function mostRecentMovement(array, numberOfHistoricPoints, removeNegatives) {
    if (array.length > numberOfHistoricPoints) {
      totalSum = 0
      for (var toCount = 0; toCount < numberOfHistoricPoints; toCount++) {
        currentElement = array[array.length - toCount - 1]
        currentElement *= (1 - toCount / numberOfHistoricPoints) // weight the most recent data more
        if (currentElement < 0 && removeNegatives) currentElement = currentElement * -1
        if (currentElement > 0.1 || currentElement < -0.1) totalSum += currentElement
      }
      return totalSum * 100 / numberOfHistoricPoints
    }
    return 0 // not enough data yet
  }


  var isMobile = navigator.userAgent.match(/(iPhone|iPod|iPad|Android)/);
  if (isMobile != null) {
    window.addEventListener("devicemotion", motion, false);

    function motion(event) {
      historicMotion["x"].push(event.acceleration.x)
      historicMotion["y"].push(event.acceleration.y)
      historicMotion["z"].push(event.acceleration.z)
    }

    window.addEventListener("deviceorientation", orientation, false);

    function orientation(event) {
      historicOrientation["x"].push(event.alpha)
      historicOrientation["y"].push(event.beta)
      historicOrientation["z"].push(event.gamma)
    }

    setTimeout(updateStatus, 500)
  }
};