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

package com.adlerosn.brasilfurfest.schedule.adapters

import android.app.Activity
import android.content.Intent
import android.content.res.ColorStateList
import android.support.v4.content.ContextCompat
import android.support.v7.util.DiffUtil
import android.support.v7.widget.RecyclerView
import android.view.View
import android.view.ViewGroup
import com.adlerosn.brasilfurfest.R
import com.adlerosn.brasilfurfest.helper.*
import com.adlerosn.brasilfurfest.schedule.EventActivity
import com.adlerosn.brasilfurfest.schedule.managers.ScheduleManager
import com.adlerosn.brasilfurfest.schedule.abstractDataTypes.dataholder.PeekableEvent
import com.adlerosn.brasilfurfest.schedule.abstractDataTypes.managed.AttendeeConFavorite
import com.adlerosn.brasilfurfest.schedule.viewHolders.RecyclerViewHolder
import kotlinx.android.synthetic.main.activity_search_filter_circle.view.*
import kotlinx.android.synthetic.main.activity_search_filter_item.view.*
import java.text.SimpleDateFormat

class PeekableEventRecyclerViewAdapter(
        var items: MutableList<PeekableEvent>,
        val scheduleManager: ScheduleManager,
        val activity: Activity,
        val triggerViewRefresh: ()->Unit
): RecyclerViewAdapter() {
    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerViewHolder {
        return RecyclerViewHolder(parent.context.layoutInflater.inflate(R.layout.activity_search_filter_item))
    }

    fun onDataChanged(newData: List<PeekableEvent>){
        val oldData = items
        activity.runOnUiThread {
            items = newData.toMutableList()
            val diff = DiffUtil.calculateDiff(ListDiffCallback(oldData, newData))
            diff.dispatchUpdatesTo(this)
        }
    }

    override fun getItemCount(): Int = items.size

    override fun onBindViewHolder(holder: RecyclerViewHolder, position: Int) {
        val it = items[position]
        holder.itemView.apply {
            val dowFormatter = SimpleDateFormat("E", context.runtimeLanguage.locale)
            val hourMinuteFormatter = SimpleDateFormat("HH:mm", context.runtimeLanguage.locale)
            eventTitle.text = it.title.solved
            startDay.text = dowFormatter.format(it.timeRange.start.timeInMillis).capitalize()
            startText.text = hourMinuteFormatter.format(it.timeRange.start.timeInMillis)
            finishText.text = hourMinuteFormatter.format(it.timeRange.finish.timeInMillis)
            val ccls = circles!!
            ccls.removeAllViews()
            it.tags?.forEach {
                context.layoutInflater.inflate(R.layout.activity_search_filter_circle).apply {
                    tag_color.imageTintList = ColorStateList.valueOf(it.color)
                    ccls.addView(this)
                }
            }
            it.places?.forEach {
                context.layoutInflater.inflate(R.layout.activity_search_filter_circle).apply {
                    tag_color.imageTintList = ColorStateList.valueOf(it.color)
                    ccls.addView(this)
                }
            }
            context.layoutInflater.inflate(R.layout.activity_search_filter_circle).apply {
                tag_color.imageTintList = ColorStateList.valueOf(0x00000000)
                ccls.addView(this)
            }
            if (it.language == null) {
                flag.visibility = View.INVISIBLE
            } else {
                flag.visibility = View.VISIBLE
                flag.setImageDrawable(ContextCompat.getDrawable(context, it.language.drawableId))
            }
            val favorites = scheduleManager.attendeeFavorites.toList()
            val event = scheduleManager.convention.events.firstOrNull { ev -> ev.conbookId == it.id }
            val showsStar = event?.let{
                            scheduleManager.canAttend(it)
                            && !it.hiddenFromTimeTable
                    } ?: true
            var hasStar = favorites.any { fav -> it.similarEnough(fav, context) }
            if (showsStar)
                starImage.visibility = View.VISIBLE
            else
                starImage.visibility = View.INVISIBLE
            if (hasStar)
                starImage.setImageDrawable(ContextCompat.getDrawable(context, R.drawable.ic_star_black_24dp))
            else
                starImage.setImageDrawable(ContextCompat.getDrawable(context, R.drawable.ic_star_border_black_24dp))
            val starValue = if(!showsStar) null else hasStar
            this.starButton.setOnClickListener { _ ->
                if(showsStar){
                    if(hasStar) {
                        starImage.setImageDrawable(ContextCompat.getDrawable(context, R.drawable.ic_star_border_black_24dp))
                        hasStar = false
                        scheduleManager.attendeeFavorites.toList().firstOrNull { fav ->
                            it.similarEnough(fav, context)
                        }?.let {
                            scheduleManager.attendeeFavorites.remove(it).apply {
                                triggerViewRefresh()
                            }
                        }
                    }
                    else {
                        starImage.setImageDrawable(ContextCompat.getDrawable(context, R.drawable.ic_star_black_24dp))
                        hasStar = true
                        event?.let {
                            scheduleManager.attendeeFavorites.add(
                                    AttendeeConFavorite(
                                            scheduleManager.convention,
                                            it
                                    )
                            ).apply {
                                triggerViewRefresh()
                            }
                        }
                    }
                }
            }
            this.setOnClickListener {  _ ->
                val favorite = scheduleManager.attendeeFavorites.toList().firstOrNull {
                    fav -> it.similarEnough(fav, context)
                } ?: AttendeeConFavorite(
                        scheduleManager.convention,
                        event!!
                )
                activity.startActivity(
                        Intent(activity, EventActivity::class.java).apply {
                            putExtra("favorite", favorite)
                            putExtra("offerStar", showsStar)
                        }
                )
            }
            bindPeekAndPop(
                    activity,
                    this as ViewGroup,
                    this,
                    starValue,
                    {this.starButton.callOnClick()},
                    {this.callOnClick()},
                    it
            )
        }
    }
}