package eu.kanade.tachiyomi.ui.browse.migration.sources

import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import androidx.recyclerview.widget.LinearLayoutManager
import eu.davidea.flexibleadapter.FlexibleAdapter
import eu.kanade.tachiyomi.R
import eu.kanade.tachiyomi.data.database.DatabaseHelper
import eu.kanade.tachiyomi.data.preference.PreferencesHelper
import eu.kanade.tachiyomi.databinding.MigrationSourcesControllerBinding
import eu.kanade.tachiyomi.ui.base.controller.NucleusController
import eu.kanade.tachiyomi.ui.base.controller.withFadeTransaction
import eu.kanade.tachiyomi.ui.browse.BrowseController
import eu.kanade.tachiyomi.ui.browse.migration.advanced.design.PreMigrationController
import eu.kanade.tachiyomi.ui.browse.migration.manga.MigrationMangaController
import eu.kanade.tachiyomi.util.lang.launchUI
import exh.util.await
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.withContext
import rx.schedulers.Schedulers
import uy.kohesive.injekt.Injekt
import uy.kohesive.injekt.api.get

class MigrationSourcesController :
    NucleusController<MigrationSourcesControllerBinding, MigrationSourcesPresenter>(),
    FlexibleAdapter.OnItemClickListener,
    // SY -->
    SourceAdapter.OnAllClickListener {
    // SY <--

    private var adapter: SourceAdapter? = null

    override fun createPresenter(): MigrationSourcesPresenter {
        return MigrationSourcesPresenter()
    }

    override fun inflateView(inflater: LayoutInflater, container: ViewGroup): View {
        binding = MigrationSourcesControllerBinding.inflate(inflater)
        return binding.root
    }

    override fun onViewCreated(view: View) {
        super.onViewCreated(view)

        adapter = SourceAdapter(this)
        binding.recycler.layoutManager = LinearLayoutManager(view.context)
        binding.recycler.adapter = adapter
        adapter?.fastScroller = binding.fastScroller
    }

    override fun onDestroyView(view: View) {
        adapter = null
        super.onDestroyView(view)
    }

    fun setSources(sourcesWithManga: List<SourceItem>) {
        adapter?.updateDataSet(sourcesWithManga)
    }

    // SY -->
    override fun getTitle(): String? {
        return resources?.getString(R.string.source_migration)
    }

    override fun onItemClick(view: View?, position: Int): Boolean {
        val item = adapter?.getItem(position) as? SourceItem ?: return false
        val controller = MigrationMangaController(item.source.id, item.source.name)
        if (parentController is BrowseController) {
            parentController!!.router.pushController(controller.withFadeTransaction())
        } else {
            router.pushController(controller.withFadeTransaction())
        }

        return false
    }

    override fun onAllClick(position: Int) {
        val item = adapter?.getItem(position) as? SourceItem ?: return

        launchUI {
            val manga = Injekt.get<DatabaseHelper>().getFavoriteMangas().asRxSingle().await(Schedulers.io())
            val sourceMangas = manga.asSequence().filter { it.source == item.source.id }.map { it.id!! }.toList()
            withContext(Dispatchers.Main) {
                PreMigrationController.navigateToMigration(
                    Injekt.get<PreferencesHelper>().skipPreMigration().get(),
                    if (parentController is BrowseController) {
                        parentController!!.router
                    } else {
                        router
                    },
                    sourceMangas
                )
            }
        }
    }
    // SY <--
}
