package com.github.libretube.adapters

import android.os.Bundle
import android.text.format.DateUtils
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.ImageView
import android.widget.TextView
import androidx.appcompat.app.AppCompatActivity
import androidx.core.os.bundleOf
import androidx.fragment.app.FragmentManager
import androidx.recyclerview.widget.RecyclerView
import com.github.libretube.R
import com.github.libretube.activities.MainActivity
import com.github.libretube.databinding.ChannelSearchRowBinding
import com.github.libretube.databinding.PlaylistSearchRowBinding
import com.github.libretube.databinding.VideoSearchRowBinding
import com.github.libretube.dialogs.PlaylistOptionsDialog
import com.github.libretube.dialogs.VideoOptionsDialog
import com.github.libretube.fragments.PlayerFragment
import com.github.libretube.obj.SearchItem
import com.github.libretube.util.formatShort
import com.squareup.picasso.Picasso

class SearchAdapter(
    private val searchItems: MutableList<SearchItem>,
    private val childFragmentManager: FragmentManager
) :
    RecyclerView.Adapter<SearchViewHolder>() {

    fun updateItems(newItems: List<SearchItem>) {
        var searchItemsSize = searchItems.size
        searchItems.addAll(newItems)
        notifyItemRangeInserted(searchItemsSize, newItems.size)
    }

    override fun getItemCount(): Int {
        return searchItems.size
    }

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): SearchViewHolder {
        val layoutInflater = LayoutInflater.from(parent.context)

        val binding = when (viewType) {
            0 -> VideoSearchRowBinding.inflate(layoutInflater, parent, false)
            1 -> ChannelSearchRowBinding.inflate(layoutInflater, parent, false)
            2 -> PlaylistSearchRowBinding.inflate(layoutInflater, parent, false)
            else -> throw IllegalArgumentException("Invalid type")
        }
        return SearchViewHolder(binding.root, childFragmentManager)
    }

    override fun onBindViewHolder(holder: SearchViewHolder, position: Int) {
        holder.bind(searchItems[position])
    }

    override fun getItemViewType(position: Int): Int {
        return when {
            searchItems[position].url!!.startsWith("/watch", false) -> 0
            searchItems[position].url!!.startsWith("/channel", false) -> 1
            searchItems[position].url!!.startsWith("/playlist", false) -> 2
            else -> 3
        }
    }
}

class SearchViewHolder(
    private val v: View,
    private val childFragmentManager: FragmentManager
) : RecyclerView.ViewHolder(v) {

    private fun bindWatch(item: SearchItem) {
        val thumbnailImage = v.findViewById<ImageView>(R.id.search_thumbnail)
        Picasso.get().load(item.thumbnail).fit().centerCrop().into(thumbnailImage)
        val thumbnailDuration = v.findViewById<TextView>(R.id.search_thumbnail_duration)
        if (item.duration != -1L) {
            thumbnailDuration.text = DateUtils.formatElapsedTime(item.duration!!)
        } else {
            thumbnailDuration.text = v.context.getString(R.string.live)
            thumbnailDuration.setBackgroundColor(R.attr.colorPrimaryDark)
        }
        val channelImage = v.findViewById<ImageView>(R.id.search_channel_image)
        Picasso.get().load(item.uploaderAvatar).fit().centerCrop().into(channelImage)
        val title = v.findViewById<TextView>(R.id.search_description)
        title.text = item.title
        val views = v.findViewById<TextView>(R.id.search_views)
        val viewsString = if (item.views?.toInt() != -1) item.views.formatShort() else ""
        val uploadDate = if (item.uploadedDate != null) item.uploadedDate else ""
        views.text =
            if (viewsString != "" && uploadDate != "") {
                "$viewsString • $uploadDate"
            } else {
                viewsString + uploadDate
            }
        val channelName = v.findViewById<TextView>(R.id.search_channel_name)
        channelName.text = item.uploaderName
        v.setOnClickListener {
            var bundle = Bundle()
            bundle.putString("videoId", item.url!!.replace("/watch?v=", ""))
            var frag = PlayerFragment()
            frag.arguments = bundle
            val activity = v.context as AppCompatActivity
            activity.supportFragmentManager.beginTransaction()
                .remove(PlayerFragment())
                .commit()
            activity.supportFragmentManager.beginTransaction()
                .replace(R.id.container, frag)
                .commitNow()
        }
        v.setOnLongClickListener {
            val videoId = item.url!!.replace("/watch?v=", "")
            VideoOptionsDialog(videoId, v.context)
                .show(childFragmentManager, VideoOptionsDialog.TAG)
            true
        }
        channelImage.setOnClickListener {
            val activity = v.context as MainActivity
            val bundle = bundleOf("channel_id" to item.uploaderUrl)
            activity.navController.navigate(R.id.channelFragment, bundle)
        }
    }

    private fun bindChannel(item: SearchItem) {
        val channelImage = v.findViewById<ImageView>(R.id.search_channel_image)
        Picasso.get().load(item.thumbnail).fit().centerCrop().into(channelImage)
        val channelName = v.findViewById<TextView>(R.id.search_channel_name)
        channelName.text = item.name
        val channelViews = v.findViewById<TextView>(R.id.search_views)
        channelViews.text = v.context.getString(
            R.string.subscribers,
            item.subscribers.formatShort()
        ) + " • " + v.context.getString(R.string.videoCount, item.videos.toString())
        v.setOnClickListener {
            val activity = v.context as MainActivity
            val bundle = bundleOf("channel_id" to item.url)
            activity.navController.navigate(R.id.channelFragment, bundle)
        }
        // todo sub button
    }

    private fun bindPlaylist(item: SearchItem) {
        val playlistImage = v.findViewById<ImageView>(R.id.search_thumbnail)
        Picasso.get().load(item.thumbnail).fit().centerCrop().into(playlistImage)
        val playlistNumber = v.findViewById<TextView>(R.id.search_playlist_number)
        if (item.videos?.toInt() != -1) playlistNumber.text = item.videos.toString()
        val playlistName = v.findViewById<TextView>(R.id.search_description)
        playlistName.text = item.name
        val playlistChannelName = v.findViewById<TextView>(R.id.search_name)
        playlistChannelName.text = item.uploaderName
        val playlistVideosNumber = v.findViewById<TextView>(R.id.search_playlist_videos)
        if (item.videos?.toInt() != -1) {
            playlistVideosNumber.text =
                v.context.getString(R.string.videoCount, item.videos.toString())
        }
        v.setOnClickListener {
            // playlist clicked
            val activity = v.context as MainActivity
            val bundle = bundleOf("playlist_id" to item.url)
            activity.navController.navigate(R.id.playlistFragment, bundle)
        }
        v.setOnLongClickListener {
            val playlistId = item.url!!.replace("/playlist?list=", "")
            PlaylistOptionsDialog(playlistId, v.context)
                .show(childFragmentManager, "PlaylistOptionsDialog")
            true
        }
    }

    fun bind(searchItem: SearchItem) {
        when {
            searchItem.url!!.startsWith("/watch", false) -> bindWatch(searchItem)
            searchItem.url!!.startsWith("/channel", false) -> bindChannel(searchItem)
            searchItem.url!!.startsWith("/playlist", false) -> bindPlaylist(searchItem)
            else -> {
            }
        }
    }
}