class MetricDataListAdapter : RecyclerView.Adapter<MetricDataViewHolder>() {

    private val metricDataList: LinkedList<PresentationMetricData> = LinkedList()

    fun addItem(item: PresentationMetricData) {
        metricDataList.add(0, item)
        notifyDataSetChanged()
    }

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): MetricDataViewHolder {
        val row = LayoutInflater.from(parent.context).inflate(R.layout.data_item, parent, false)
        return MetricDataViewHolder(row)
    }

    override fun getItemCount(): Int = metricDataList.size

    override fun onBindViewHolder(holder: MetricDataViewHolder, position: Int) {
        holder.bind(metricDataList[position])
    }
}

class MetricDataViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {

    private val yearMonth: TextView = itemView.findViewById(R.id.year_month)
    private val day: TextView = itemView.findViewById(R.id.day)
    private val time: TextView = itemView.findViewById(R.id.hour)
    private val temperature: TextView = itemView.findViewById(R.id.temperature)
    private val batteryLevel: TextView = itemView.findViewById(R.id.batteryLevel)
    private val batteryHealth: TextView = itemView.findViewById(R.id.batteryHealth)
    private val batteryTemp: TextView = itemView.findViewById(R.id.batteryTemp)
    private val ram: TextView = itemView.findViewById(R.id.ram)
    private val storage: TextView = itemView.findViewById(R.id.storage)
    private val accelerometer: TextView = itemView.findViewById(R.id.accelerometer)
    private val gyroscope: TextView = itemView.findViewById(R.id.gyroscope)
    private val magnetic: TextView = itemView.findViewById(R.id.magnetic)
    private val light: TextView = itemView.findViewById(R.id.light)
    private val pressure: TextView = itemView.findViewById(R.id.pressure)
    private val location: TextView = itemView.findViewById(R.id.location)
    private val orientation: TextView = itemView.findViewById(R.id.orientation)

    private val mainLayout: LinearLayout = itemView.findViewById(R.id.main_layout)
    private val detailsLayout: LinearLayout = itemView.findViewById(R.id.layout_to_expand)

    fun bind(metricData: PresentationMetricData) {
        yearMonth.text = metricData.yearMonth
        day.text = metricData.day
        time.text = metricData.time
        temperature.text = metricData.temperature
        batteryLevel.text = metricData.batteryChargeLevel
        batteryHealth.text = metricData.batteryHealth
        batteryTemp.text = metricData.batteryTemperature
        ram.text = metricData.freeRam
        storage.text = metricData.freeInternalStorage
        accelerometer.text = metricData.accelerometer
        gyroscope.text = metricData.gyroscope
        magnetic.text = metricData.magnetic
        light.text = metricData.lightSensor
        pressure.text = metricData.pressure
        location.text = metricData.location
        orientation.text = metricData.orientation

        mainLayout.setOnClickListener {
            if (detailsLayout.isGone) {
                detailsLayout.visibility = View.VISIBLE
            } else if (detailsLayout.isVisible) {
                detailsLayout.visibility = View.GONE
            }
        }
    }
}