package exh.ui.metadata.adapters

import android.graphics.Color
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import androidx.recyclerview.widget.RecyclerView
import eu.kanade.tachiyomi.R
import eu.kanade.tachiyomi.databinding.DescriptionAdapterTsBinding
import eu.kanade.tachiyomi.ui.base.controller.withFadeTransaction
import eu.kanade.tachiyomi.ui.manga.MangaController
import eu.kanade.tachiyomi.util.system.copyToClipboard
import eu.kanade.tachiyomi.util.system.getResourceColor
import exh.metadata.metadata.TsuminoSearchMetadata
import exh.ui.metadata.MetadataViewController
import exh.util.SourceTagsUtil
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.Job
import kotlinx.coroutines.flow.launchIn
import kotlinx.coroutines.flow.onEach
import reactivecircus.flowbinding.android.view.clicks
import reactivecircus.flowbinding.android.view.longClicks
import java.util.Date
import kotlin.math.roundToInt

class TsuminoDescriptionAdapter(
    private val controller: MangaController
) :
    RecyclerView.Adapter<TsuminoDescriptionAdapter.TsuminoDescriptionViewHolder>() {

    private val scope = CoroutineScope(Job() + Dispatchers.Main)
    private lateinit var binding: DescriptionAdapterTsBinding

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): TsuminoDescriptionViewHolder {
        binding = DescriptionAdapterTsBinding.inflate(LayoutInflater.from(parent.context), parent, false)
        return TsuminoDescriptionViewHolder(binding.root)
    }

    override fun getItemCount(): Int = 1

    override fun onBindViewHolder(holder: TsuminoDescriptionViewHolder, position: Int) {
        holder.bind()
    }

    inner class TsuminoDescriptionViewHolder(view: View) : RecyclerView.ViewHolder(view) {
        fun bind() {
            val meta = controller.presenter.meta
            if (meta == null || meta !is TsuminoSearchMetadata) return

            val genre = meta.category
            if (genre != null) {
                val pair = when (genre) {
                    "Doujinshi" -> Pair(SourceTagsUtil.DOUJINSHI_COLOR, R.string.doujinshi)
                    "Manga" -> Pair(SourceTagsUtil.MANGA_COLOR, R.string.manga)
                    "Artist CG" -> Pair(SourceTagsUtil.ARTIST_CG_COLOR, R.string.artist_cg)
                    "Game CG" -> Pair(SourceTagsUtil.GAME_CG_COLOR, R.string.game_cg)
                    "Video" -> Pair(SourceTagsUtil.WESTERN_COLOR, R.string.video)
                    else -> Pair("", 0)
                }

                if (pair.first.isNotBlank()) {
                    binding.genre.setBackgroundColor(Color.parseColor(pair.first))
                    binding.genre.text = itemView.context.getString(pair.second)
                } else binding.genre.text = genre
            } else binding.genre.setText(R.string.unknown)

            binding.favorites.text = (meta.favorites ?: 0).toString()
            val drawable = itemView.context.getDrawable(R.drawable.ic_favorite_24dp)
            drawable?.setTint(itemView.context.getResourceColor(R.attr.colorAccent))
            binding.favorites.setCompoundDrawablesWithIntrinsicBounds(drawable, null, null, null)

            binding.whenPosted.text = TsuminoSearchMetadata.TSUMINO_DATE_FORMAT.format(Date(meta.uploadDate ?: 0))

            binding.uploader.text = meta.uploader ?: itemView.context.getString(R.string.unknown)
            binding.pages.text = itemView.resources.getQuantityString(R.plurals.num_pages, meta.length ?: 0, meta.length ?: 0)

            val name = when (((meta.averageRating ?: 100F) * 2).roundToInt()) {
                0 -> R.string.rating0
                1 -> R.string.rating1
                2 -> R.string.rating2
                3 -> R.string.rating3
                4 -> R.string.rating4
                5 -> R.string.rating5
                6 -> R.string.rating6
                7 -> R.string.rating7
                8 -> R.string.rating8
                9 -> R.string.rating9
                10 -> R.string.rating10
                else -> R.string.no_rating
            }
            binding.ratingBar.rating = meta.averageRating ?: 0F
            binding.rating.text = if (meta.userRatings != null) {
                itemView.context.getString(R.string.rating_view, itemView.context.getString(name), (meta.averageRating ?: 0F).toString(), meta.userRatings ?: 0L)
            } else {
                itemView.context.getString(R.string.rating_view_no_count, itemView.context.getString(name), (meta.averageRating ?: 0F).toString())
            }

            listOf(
                binding.favorites,
                binding.genre,
                binding.pages,
                binding.rating,
                binding.uploader,
                binding.whenPosted
            ).forEach { textView ->
                textView.longClicks()
                    .onEach {
                        itemView.context.copyToClipboard(
                            textView.text.toString(),
                            textView.text.toString()
                        )
                    }
                    .launchIn(scope)
            }

            binding.moreInfo.clicks()
                .onEach {
                    controller.router?.pushController(
                        MetadataViewController(
                            controller.manga
                        ).withFadeTransaction()
                    )
                }
                .launchIn(scope)
        }
    }
}