conventionschedule-android/app/src/main/java/com/adlerosn/brasilfurfest/schedule/adapters/DayHoursAdapter.kt

package com.adlerosn.brasilfurfest.schedule.adapters

import android.app.Activity
import android.app.AlertDialog
import android.view.ViewGroup
import android.widget.ListView
import com.adlerosn.brasilfurfest.R
import com.adlerosn.brasilfurfest.helper.formatAsHoursAndMinutes
import com.adlerosn.brasilfurfest.helper.getString
import com.adlerosn.brasilfurfest.helper.layoutInflater
import com.adlerosn.brasilfurfest.schedule.abstractDataTypes.GregorianCalendarRange
import com.adlerosn.brasilfurfest.schedule.managers.ScheduleManager
import com.adlerosn.brasilfurfest.schedule.viewHolders.RecyclerStickyViewHolder
import com.adlerosn.brasilfurfest.schedule.viewHolders.RecyclerViewHolder
import com.brandongogetap.stickyheaders.exposed.StickyHeader
import com.brandongogetap.stickyheaders.exposed.StickyHeaderHandler
import kotlinx.android.synthetic.main.listitem_schedule_eventlist.view.*
import kotlinx.android.synthetic.main.listitem_schedule_eventlist_subitem_header.view.*


class DayHoursAdapter(
        private val activity: Activity,
        private val dayParts: List<GregorianCalendarRange>,
        private val scheduleManager: ScheduleManager
) : RecyclerViewAdapter(), StickyHeaderHandler {

    private val data = dayParts.flatMap { listOf(object : StickyHeader{}, it) }.toMutableList()
    override fun getAdapterData() = data
    override fun getItemCount(): Int = data.size
    override fun getItemViewType(position: Int): Int = position%2

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerViewHolder {
        return when(viewType){
            0 -> RecyclerStickyViewHolder(parent.context.layoutInflater.inflate(R.layout.listitem_schedule_eventlist_subitem_header, parent, false))
            else -> RecyclerViewHolder(parent.context.layoutInflater.inflate(R.layout.listitem_schedule_eventlist, parent, false).apply {
                //timeFragmentList.layoutManager = LinearLayoutManager(context)
                //timeFragmentList.adapter = DayHourEventsAdapter(mutableListOf(), mutableListOf(), activity)
            })
        }
    }

//    init {
//        setHasStableIds(true)
//    }
//    override fun getItemId(position: Int) : Long = position.toLong()

    override fun onBindViewHolder(holder: RecyclerViewHolder, position: Int) {
        if (getItemViewType(position)==0)
            onBindHeaderViewHolder(holder, position/2)
        else
            onBindItemViewHolder(holder, position/2)
    }

    private fun onBindItemViewHolder(holder: RecyclerViewHolder, position: Int) {
        val dayPart = dayParts[position]
        val events = scheduleManager.convention.events.toList()
                .filter { it.timeRange.start in dayPart }.filterNot { it.hiddenFromTimeTable }
        val customFavorites = scheduleManager.attendeeFavorites.toList()
                .filter { it.timeRange.start in dayPart }.filter { it.isCustom }
        val adapter = DayHourEventsAdapter(events, customFavorites, activity)
        val viewGroup = holder.itemView.timeFragmentList
        viewGroup.removeAllViews()
        (0 until adapter.itemCount).forEach {
            val vh = adapter.onCreateViewHolder(viewGroup, 0)
            adapter.onBindViewHolder(vh, it)
            viewGroup.addView(vh.itemView)
        }
        //(holder.itemView.timeFragmentList.adapter!! as DayHourEventsAdapter).onDataChanged(events, customFavorites)
    }


    private fun onBindHeaderViewHolder(holder: RecyclerViewHolder, position: Int) {
        val dayPart = dayParts[position]
        val start = dayPart.start.timeInMillis.formatAsHoursAndMinutes()
        val finish = dayPart.finish.timeInMillis.formatAsHoursAndMinutes()
        holder.itemView.time.text = start
        holder.itemView.addButton.setOnClickListener {
            val dialog = AlertDialog.Builder(activity).create()
            dialog.setTitle(R.string.schedule_add_what.getString().format(start, finish))
            val listView = ListView(activity)
            listView.adapter = HourlyPlannedEventDialogListAdapter(dialog, dayPart)
            dialog.setView(listView)
            dialog.setButton(AlertDialog.BUTTON_NEUTRAL, R.string.dialog_cancel.getString()) { _, _ -> dialog.dismiss() }
            dialog.show()
        }
    }

}