package com.github.libretube

import android.os.Bundle
import android.util.Log
import android.view.View
import androidx.fragment.app.Fragment
import androidx.lifecycle.lifecycleScope
import androidx.preference.ListPreference
import androidx.preference.Preference
import androidx.preference.PreferenceFragmentCompat
import androidx.preference.PreferenceManager
import com.github.libretube.adapters.TrendingAdapter
import retrofit2.HttpException
import retrofit2.Retrofit
import retrofit2.converter.jackson.JacksonConverterFactory
import retrofit2.converter.scalars.ScalarsConverterFactory
import java.io.IOException

class Settings : PreferenceFragmentCompat() {
    override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
        setPreferencesFromResource(R.xml.settings, rootKey)
        val instance = findPreference<ListPreference>("instance")
        fetchInstance()
        instance?.setOnPreferenceChangeListener { preference, newValue ->
            RetrofitInstance.url = newValue.toString()
            RetrofitInstance.lazyMgr.reset()
            true
        }
        val login = findPreference<Preference>("login_register")
        login?.setOnPreferenceClickListener {
            val newFragment = LoginDialog()
            newFragment.show(childFragmentManager, "fuck")
            true
        }

    }

    private fun fetchInstance() {
        val api: PipedApi by lazy{
            Retrofit.Builder()
                .baseUrl("https://raw.githubusercontent.com/wiki/TeamPiped/Piped-Frontend/")
                .addConverterFactory(ScalarsConverterFactory.create())
                .build()
                .create(PipedApi::class.java)
        }
        lifecycleScope.launchWhenCreated {
            val response = try {
                api.getInstances()
            } catch (e: IOException) {
                println(e)
                Log.e("settings", "IOException, you might not have internet connection")
                return@launchWhenCreated
            } catch (e: HttpException) {
                Log.e("settings", "HttpException, unexpected response ${e.toString()}")
                return@launchWhenCreated
            } catch (e: Exception){
                Log.e("settings",e.toString())
                return@launchWhenCreated
            }
            //println("dafaq $response")
            val listEntries: MutableList<String> = ArrayList()
            val listEntryValues: MutableList<String> = ArrayList()
            var skipped = 0
            val lines = response.split("\n")
            for(line in lines) {
                val split = line.split("|")
                if (split.size == 5) {
                    if (skipped < 2) {
                        skipped++
                    }else{
                        println("dafaq $line")
                        listEntries.add(split[0])
                        listEntryValues.add(split[1])
                    }
                }

            }
            val entries = listEntries.toTypedArray<CharSequence>()
            val entryValues = listEntryValues.toTypedArray<CharSequence>()
            runOnUiThread {
                val instance = findPreference<ListPreference>("instance")
                instance?.entries = entries
                instance?.entryValues = entryValues
            }
        }
    }
    private fun Fragment?.runOnUiThread(action: () -> Unit) {
        this ?: return
        if (!isAdded) return // Fragment not attached to an Activity
        activity?.runOnUiThread(action)
    }
}