package mx.trackermap.TrackerMap.android.devices

import android.graphics.Color
import android.graphics.ColorFilter
import android.util.Log
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.view.ViewStructure
import androidx.core.content.res.ResourcesCompat
import androidx.recyclerview.widget.RecyclerView
import kotlinx.serialization.json.JsonNull
import mx.trackermap.TrackerMap.android.R
import mx.trackermap.TrackerMap.android.databinding.UnitItemBinding
import mx.trackermap.TrackerMap.client.models.UnitInformation

enum class Action {
    DETAILS, REPORTS, COMMANDS
}

typealias ActionCallback = (unit: UnitInformation, action: Action) -> Unit

class DevicesAdapter(
    private val units: List<UnitInformation>,
    private val actionCallback: ActionCallback?
) : RecyclerView.Adapter<DevicesAdapter.ViewHolder>() {

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
        val binding = UnitItemBinding.inflate(LayoutInflater.from(parent.context), parent, false)

        return ViewHolder(binding)
    }

    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
        holder.toggleOptions(false)

        val unit = units[position]
        val context = holder.itemView.context
        holder.binding.apply {

            unit.position?.let { position ->
                /* Status icon */
                position.speed?.let { speed ->
                    if (speed >= 2) {
                        statusIcon.setColorFilter(Color.GREEN)
                    } else {
                        statusIcon.setColorFilter(Color.RED)
                    }
                } ?: run {
                    statusIcon.setColorFilter(Color.GRAY)
                }

                /* Engine stop */
                val attributes = position.attributes
                if (attributes["out1"].toString() == "null") {
                    engineStopIcon.visibility = View.GONE
                } else {
                    engineStopIcon.visibility = View.VISIBLE
                    engineStopIcon.setImageResource(
                        when (attributes["out1"].toString()) {
                            "true" -> R.drawable.ic_baseline_lock_24
                            "false" -> R.drawable.ic_baseline_lock_open_24
                            else -> R.drawable.ic_baseline_lock_open_24
                        }
                    )
                    engineStopIcon.contentDescription = when (attributes["out1"].toString()) {
                        "true" -> context.getString(R.string.unit_lock_on)
                        "false" -> context.getString(R.string.unit_lock_off)
                        else -> context.getString(R.string.unit_lock_on)
                    }
                }
            }

            unitName.text = unit.device.name
            driverName.text = unit.device.contact
            unitSpeed.text = context.getString(R.string.unit_speed_format, unit.position?.speed?.toInt() ?: 0)
            lastAddress.text = unit.position?.address
            lastDate.text = "yyyy/mm/dd, hh:mm"
            actionCallback?.let { callback ->
                detailsButton.setOnClickListener { callback(unit, Action.DETAILS) }
                reportsButton.setOnClickListener { callback(unit, Action.REPORTS) }
                commandsButton.setOnClickListener { callback(unit, Action.COMMANDS) }
            }
        }
    }

    override fun getItemCount(): Int = units.size

    inner class ViewHolder(val binding: UnitItemBinding) : RecyclerView.ViewHolder(binding.root) {
        init {
            binding.unitCard.setOnClickListener {
                toggleOptions(binding.itemOptions.visibility == View.GONE)
            }
        }

        fun toggleOptions(shouldExpand: Boolean) {
            val context = binding.root.context
            binding.unitCard.setCardBackgroundColor(
                ResourcesCompat.getColor(
                    context.resources,
                    if (shouldExpand)  R.color.background else R.color.darkBackground,
                    context.theme
                )
            )
            binding.itemOptions.visibility = if (shouldExpand) View.VISIBLE else View.GONE
            binding.unitCard.cardElevation = if (shouldExpand) 5.0F else 0.0F
        }
    }
}