Bimba.git

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package xyz.apiote.bimba.czwek.departures

import android.content.Context
import android.content.Intent
import android.net.ConnectivityManager
import android.os.Bundle
import android.os.Handler
import android.os.Looper
import android.util.Log
import android.view.View
import androidx.appcompat.app.AppCompatActivity
import androidx.appcompat.content.res.AppCompatResources
import androidx.core.content.res.ResourcesCompat
import androidx.core.view.WindowCompat
import androidx.recyclerview.widget.LinearLayoutManager
import kotlinx.coroutines.*
import xyz.apiote.bimba.czwek.R
import xyz.apiote.bimba.czwek.api.*
import xyz.apiote.bimba.czwek.databinding.ActivityDeparturesBinding

class DeparturesActivity : AppCompatActivity() {
	private var _binding: ActivityDeparturesBinding? = null
	private val binding get() = _binding!!

	private lateinit var adapter: BimbaDeparturesAdapter

	private val handler = Handler(Looper.getMainLooper())
	private var runnable = Runnable {}

	private var openBottomSheet: DepartureBottomSheet? = null

	override fun onCreate(savedInstanceState: Bundle?) {
		super.onCreate(savedInstanceState)
		_binding = ActivityDeparturesBinding.inflate(layoutInflater)
		setContentView(binding.root)

		binding.collapsingLayout.apply {
			title = getName()
			val tf = ResourcesCompat.getFont(this@DeparturesActivity, R.font.yellowcircle8)
			setCollapsedTitleTypeface(tf)
			setExpandedTitleTypeface(tf)
		}

		binding.departuresRecycler.layoutManager = LinearLayoutManager(this)
		adapter = BimbaDeparturesAdapter(layoutInflater, this, listOf()) {
			DepartureBottomSheet(it).apply {
				show(supportFragmentManager, DepartureBottomSheet.TAG)
				openBottomSheet = this
				setOnCancel { openBottomSheet = null }
			}
		}
		binding.departuresRecycler.adapter = adapter
		WindowCompat.setDecorFitsSystemWindows(window, false)
	}

	override fun onResume() {
		super.onResume()
		getDepartures()
	}

	override fun onPause() {
		super.onPause()
		handler.removeCallbacks(runnable)
	}

	private fun getName(): String {
		return when (intent?.action) {
			Intent.ACTION_VIEW -> getCode()
			null -> intent?.extras?.getString("name") ?: ""
			else -> ""
		}
	}

	private fun getCode(): String {
		@Suppress("SpellCheckingInspection")
		return when (intent?.action) {
			Intent.ACTION_VIEW -> intent?.data?.getQueryParameter("przystanek") ?: ""
			null -> intent?.extras?.getString("code") ?: ""
			else -> ""
		}
	}

	private fun getDepartures() {
		val cm = getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager
		MainScope().launch {
			val result = getDepartures(
				cm,
				Server.get(this@DeparturesActivity), getCode()
			)

			if (result.error != null) {
				showError(result.error)
				if (result.stream != null) {
					val response = ErrorResponse.unmarshal(result.stream)
					Log.w("Departures", "${result.error.statusCode}, ${response.message}")
				} else {
					Log.w(
						"Departures",
						"${result.error.statusCode}, ${getString(result.error.stringResource)}"
					)
				}
				return@launch
			}
			val (departures, stop) = when (val response = DeparturesResponse.unmarshal(result.stream!!)) {
				is DeparturesResponseDev -> Pair(response.departures, response.stop)
				is DeparturesResponseV1 -> Pair(response.departures, response.stop)
				else -> Pair(null, null)
			}
			updateItems(departures!!, stop!!)
			openBottomSheet?.departureID()?.let { adapter.get(it) }?.let { openBottomSheet?.update(it) }
		}
		handler.removeCallbacks(runnable)
		runnable = Runnable { getDepartures() }
		handler.postDelayed(runnable, 30 * 1000)
	}

	private fun showError(error: Error) {
		binding.departuresProgress.visibility = View.GONE
		binding.departuresRecycler.visibility = View.GONE
		binding.errorImage.visibility = View.VISIBLE
		binding.errorText.visibility = View.VISIBLE

		binding.errorText.text = getString(error.stringResource)
		binding.errorImage.setImageDrawable(AppCompatResources.getDrawable(this, error.imageResource))
	}

	private fun updateItems(departures: List<DepartureV1>, stop: StopV1) {
		binding.departuresProgress.visibility = View.GONE
		adapter.update(departures)
		binding.collapsingLayout.apply {
			title = stop.name
		}
		if (departures.isEmpty()) {
			binding.errorImage.visibility = View.VISIBLE
			binding.errorText.visibility = View.VISIBLE
			binding.departuresRecycler.visibility = View.GONE

			binding.errorText.text = getString(R.string.no_departures)
			binding.errorImage.setImageDrawable(
				AppCompatResources.getDrawable(
					this,
					R.drawable.error_search
				)
			)
		} else {
			binding.departuresOverlay.visibility = View.GONE
			binding.errorImage.visibility = View.GONE
			binding.errorText.visibility = View.GONE
			binding.departuresRecycler.visibility = View.VISIBLE
		}
		// todo [3.1] alerts
		// todo [3.1] stop info
	}
}