package org.mosad.teapod.ui.activity.main.fragments

import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import androidx.fragment.app.Fragment
import androidx.lifecycle.lifecycleScope
import kotlinx.coroutines.Job
import kotlinx.coroutines.joinAll
import kotlinx.coroutines.launch
import org.mosad.teapod.databinding.FragmentHomeBinding
import org.mosad.teapod.parser.crunchyroll.Crunchyroll
import org.mosad.teapod.util.ItemMedia
import org.mosad.teapod.util.adapter.MediaItemAdapter
import org.mosad.teapod.util.decoration.MediaItemDecoration
import org.mosad.teapod.util.showFragment

class HomeFragment : Fragment() {

    private lateinit var binding: FragmentHomeBinding
    private lateinit var adapterWatchlist: MediaItemAdapter
    private lateinit var adapterNewEpisodes: MediaItemAdapter
    private lateinit var adapterNewTitles: MediaItemAdapter
    private lateinit var adapterTopTen: MediaItemAdapter

    private lateinit var highlightMedia: ItemMedia

    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
        binding = FragmentHomeBinding.inflate(inflater, container, false)
        return binding.root
    }

    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)

        lifecycleScope.launch {
            context?.let {
                initHighlight()
                initRecyclerViews()
                initActions()
            }
        }
    }

    private fun initHighlight() {
        // TODO
//        if (AoDParser.highlightsList.isNotEmpty()) {
//            highlightMedia =  AoDParser.highlightsList[0]
//
//            binding.textHighlightTitle.text = highlightMedia.title
//            Glide.with(requireContext()).load(highlightMedia.posterUrl)
//                .into(binding.imageHighlight)
//
//            if (StorageController.myList.contains(0)) {
//                binding.textHighlightMyList.setDrawableTop(R.drawable.ic_baseline_check_24)
//            } else {
//                binding.textHighlightMyList.setDrawableTop(R.drawable.ic_baseline_add_24)
//            }
//        }
    }

    /**
     * Suspend, since adapters need to be initialized before we can initialize the actions.
     */
    private suspend fun initRecyclerViews() {
        binding.recyclerWatchlist.addItemDecoration(MediaItemDecoration(9))
        binding.recyclerNewEpisodes.addItemDecoration(MediaItemDecoration(9))
        binding.recyclerNewTitles.addItemDecoration(MediaItemDecoration(9))
        binding.recyclerTopTen.addItemDecoration(MediaItemDecoration(9))

        val asyncJobList = arrayListOf<Job>()

        // watchlist
        val watchlistJob = lifecycleScope.launch {
            adapterWatchlist = MediaItemAdapter(mapMyListToItemMedia())
            binding.recyclerWatchlist.adapter = adapterWatchlist
        }
        asyncJobList.add(watchlistJob)

        // new episodes TODO replace with continue watching
//        adapterNewEpisodes = MediaItemAdapter(AoDParser.newEpisodesList)
//        binding.recyclerNewEpisodes.adapter = adapterNewEpisodes

        // new titles TODO
//        adapterNewTitles = MediaItemAdapter(AoDParser.newTitlesList)
//        binding.recyclerNewTitles.adapter = adapterNewTitles

        // top ten TODO
//        adapterTopTen = MediaItemAdapter(AoDParser.topTenList)
//        binding.recyclerTopTen.adapter = adapterTopTen

        asyncJobList.joinAll()
    }

    private fun initActions() {
        binding.buttonPlayHighlight.setOnClickListener {
            // TODO get next episode
            lifecycleScope.launch {
                // TODO
                //val media = AoDParser.getMediaById(0)

                // Log.d(javaClass.name, "Starting Player with  mediaId: ${media.aodId}")
                //(activity as MainActivity).startPlayer(media.aodId, media.playlist.first().mediaId)
            }
        }

        binding.textHighlightMyList.setOnClickListener {
            // TODO implement if needed

//            if (StorageController.myList.contains(0)) {
//                StorageController.myList.remove(0)
//                binding.textHighlightMyList.setDrawableTop(R.drawable.ic_baseline_add_24)
//            } else {
//                StorageController.myList.add(0)
//                binding.textHighlightMyList.setDrawableTop(R.drawable.ic_baseline_check_24)
//            }
//            StorageController.saveMyList(requireContext())
        }

        binding.textHighlightInfo.setOnClickListener {
            activity?.showFragment(MediaFragment(""))
        }

        adapterWatchlist.onItemClick = { id, _ ->
            activity?.showFragment(MediaFragment("")) //(mediaId))
        }

//        adapterNewEpisodes.onItemClick = { id, _ ->
//            activity?.showFragment(MediaFragment("")) //(mediaId))
//        }
//
//        adapterNewSimulcasts.onItemClick = { id, _ ->
//            activity?.showFragment(MediaFragment("")) //(mediaId))
//        }
//
//        adapterNewTitles.onItemClick = { id, _ ->
//            activity?.showFragment(MediaFragment("")) //(mediaId))
//        }
//
//        adapterTopTen.onItemClick = { id, _ ->
//            activity?.showFragment(MediaFragment("")) //(mediaId))
//        }
    }

    private suspend fun mapMyListToItemMedia(): List<ItemMedia> {
        return Crunchyroll.watchlist(50).items.map {
            ItemMedia(it.id, it.title, it.images.poster_wide[0][0].source)
        }
    }

}