Bimba.git

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package ml.adamsprogs.bimba.departures

import android.content.Context
import android.content.Intent
import android.content.SharedPreferences
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.util.Log
import android.view.View
import android.widget.Toast
import androidx.core.content.res.ResourcesCompat
import androidx.core.view.WindowCompat
import androidx.recyclerview.widget.LinearLayoutManager
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.MainScope
import kotlinx.coroutines.launch
import kotlinx.coroutines.withContext
import ml.adamsprogs.bimba.R
import ml.adamsprogs.bimba.api.*
import ml.adamsprogs.bimba.databinding.ActivityDeparturesBinding
import java.io.InputStream

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

	private lateinit var preferences: SharedPreferences

	private lateinit var adapter: BimbaDeparturesAdapter

	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.railway)
			setCollapsedTitleTypeface(tf)
			setExpandedTitleTypeface(tf)
		}

		binding.departuresRecycler.layoutManager = LinearLayoutManager(this)
		adapter = BimbaDeparturesAdapter(layoutInflater, this, listOf()) {
			Log.v("Departure", "clicked: $it")
			// todo show bottom sheet
		}
		binding.departuresRecycler.adapter = adapter
		WindowCompat.setDecorFitsSystemWindows(window, false)

		preferences = getSharedPreferences("shp", MODE_PRIVATE)

		// todo check every 30s
		getDepartures()
	}

	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 host = preferences.getString("host", "bimba.apiote.xyz")!!
		MainScope().launch {
			val departuresStream = getDepartures(
				Server(
					host, preferences.getString("token", "")!!,
					preferences.getString("${host}_feeds", "")!!
				), getCode()
			)
			if (departuresStream == null) {
				// todo(error-handling) show empty state
				Toast.makeText(
					this@DeparturesActivity as Context,
					"Couldn't get response",
					Toast.LENGTH_SHORT
				).show()
			} else {
				updateItems(unmarshallDepartureResponse(departuresStream))
			}
		}
	}

	private suspend fun unmarshallDepartureResponse(stream: InputStream): DeparturesSuccess {
		return withContext(Dispatchers.IO) {
			when (val response = DeparturesResponse.unmarshall(stream)) {
				is DeparturesSuccess -> {
					return@withContext response
				}
				else -> {
					TODO("Error response")
				}
			}
		}
	}

	private fun updateItems(response: DeparturesSuccess) {
		binding.departuresProgress.visibility = View.GONE
		binding.departuresRecycler.visibility = View.VISIBLE
		adapter.update(response.departures)
		binding.collapsingLayout.apply {
			title = response.stop.name
		}
		// todo alerts
		// todo stop info
	}
}