package mx.trackermap.TrackerMap.android.shared

import android.content.Context
import android.graphics.Color
import android.util.TypedValue
import android.view.Gravity
import android.view.View
import android.widget.Button
import android.widget.GridLayout
import android.widget.ImageView
import android.widget.TextView
import androidx.cardview.widget.CardView
import androidx.core.content.ContextCompat
import com.zerobranch.layout.SwipeLayout
import kotlinx.serialization.json.longOrNull
import mx.trackermap.TrackerMap.android.R
import mx.trackermap.TrackerMap.client.models.UnitInformation
import mx.trackermap.TrackerMap.utils.Formatter
import mx.trackermap.TrackerMap.utils.SpeedUnit

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

class UnitRenderData {
    data class UnitRenderViewHolder(
        val unitName: TextView,
        val unitIcon: ImageView? = null,
        val statusIcon: ImageView,
        val engineStopIcon: ImageView,
        val gridLayout: GridLayout,
        val detailsButton: Button? = null,
        val reportsButton: Button? = null,
        val commandsButton: Button? = null,
        val unitCard: CardView? = null,
        val swipeLayout: SwipeLayout? = null
    )

    enum class Action {
        CLICK, DETAILS, REPORTS, COMMANDS
    }

    companion object {
        fun render(
            viewHolder: UnitRenderViewHolder,
            context: Context,
            unit: UnitInformation,
            actionCallback: ActionCallback?
        ) {
            viewHolder.apply {
                val details: MutableList<Triple<Int, String, String>> = mutableListOf()

                /* Device name */
                unitName.text = unit.device.name

                /* Device icon */
                unitIcon?.setImageResource(
                    MarkerTransformations.categoryToResourceId(unit.device.category)
                )
                unitIcon?.contentDescription = context.getString(
                        MarkerTransformations.categoryToStringId(unit.device.category)
                )

                /* Contact */
                unit.device.contact?.let { contact ->
                    if (contact.isNotEmpty()) {
                        details.add(
                            Triple(
                                R.drawable.device_contact,
                                contact,
                                context.getString(R.string.unit_driver_name)
                            )
                        )
                    }
                }

                statusIcon.visibility = View.GONE
                engineStopIcon.visibility = View.GONE

                unit.position?.let { position ->
                    /* Status icon */
                    statusIcon.visibility = View.VISIBLE
                    position.speed?.let { speed ->
                        if (speed >= 2) {
                            statusIcon.setColorFilter(
                                ContextCompat.getColor(context, R.color.colorOnline)
                            )
                        } else {
                            statusIcon.setColorFilter(
                                ContextCompat.getColor(context, R.color.colorOffline)
                            )
                        }
                    } ?: run {
                        statusIcon.setColorFilter(Color.GRAY)
                    }

                    /* Engine stop */
                    val attributes = position.attributes
                    if (attributes["out1"].toString() != "null") {
                        engineStopIcon.visibility = View.VISIBLE
                        engineStopIcon.setImageResource(
                            when (attributes["out1"].toString()) {
                                "true" -> R.drawable.device_unlocked
                                "false" -> R.drawable.device_locked
                                else -> R.drawable.device_locked
                            }
                        )
                        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)
                        }
                    }

                    /* Speed */
                    position.speed?.let { speed ->
                        details.add(
                            Triple(
                                R.drawable.position_speed,
                                Formatter.formatSpeed(speed, SpeedUnit.KMH),
                                context.getString(R.string.unit_speed)
                            )
                        )
                    }

                    /* Address */
                    position.address?.let { address ->
                        details.add(
                            Triple(
                                R.drawable.position_address,
                                address,
                                context.getString(R.string.unit_last_address)
                            )
                        )
                    }

                    /* Hourmeter */
                    position.attributes["hours"]?.longOrNull?.let {
                        if (it > 0) {
                            details.add(
                                Triple(
                                    R.drawable.position_hourmeter,
                                    Formatter.formatHours(it),
                                    context.getString(R.string.unit_hourmeter)
                                )
                            )
                        }
                    }

                    /* Date time */
                    position.fixTime?.let { fixTime ->
                        details.add(
                            Triple(
                                R.drawable.position_datetime,
                                Formatter.formatDate(fixTime),
                                context.getString(R.string.unit_last_date)
                            )
                        )
                    }
                }

                gridLayout.removeAllViewsInLayout()
                val metrics = context.resources.displayMetrics
                details.forEachIndexed { i, detail ->
                    /* Property icon */
                    val imageView = ImageView(gridLayout.context)
                    imageView.setImageResource(detail.first)
                    imageView.contentDescription = detail.third
                    imageView.setColorFilter(
                        ContextCompat.getColor(
                            context,
                            androidx.appcompat.R.color.secondary_text_default_material_light
                        )
                    )

                    val imageLayout = GridLayout.LayoutParams()
                    imageLayout.width = GridLayout.LayoutParams.WRAP_CONTENT
                    imageLayout.height = GridLayout.LayoutParams.WRAP_CONTENT
                    imageLayout.marginEnd =
                        TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 6f, metrics).toInt()
                    imageLayout.rowSpec = GridLayout.spec(i)
                    imageLayout.columnSpec = GridLayout.spec(0)
                    imageView.layoutParams = imageLayout

                    /* Property text */
                    val textView = TextView(gridLayout.context)
                    textView.text = detail.second

                    val textLayout = GridLayout.LayoutParams()
                    textLayout.width = 0
                    textLayout.height = GridLayout.LayoutParams.MATCH_PARENT
                    textLayout.rowSpec = GridLayout.spec(i)
                    textLayout.columnSpec = GridLayout.spec(1, 1, 5f)
                    textView.layoutParams = textLayout

                    gridLayout.addView(imageView)
                    gridLayout.addView(textView)

                    imageLayout.setGravity(Gravity.CENTER)
                }

                actionCallback?.let { callback ->
                    unitCard?.setOnClickListener {
                        swipeLayout?.close()
                        callback(unit, Action.CLICK)
                    }
                    detailsButton?.setOnClickListener {
                        swipeLayout?.close()
                        callback(unit, Action.DETAILS)
                    }
                    reportsButton?.setOnClickListener {
                        swipeLayout?.close()
                        callback(unit, Action.REPORTS)
                    }
                    commandsButton?.setOnClickListener {
                        swipeLayout?.close()
                        callback(unit, Action.COMMANDS)
                    }
                }
            }
        }
    }
}