LibreTube/app/src/main/java/com/github/libretube/MainActivity.kt

package com.github.libretube

import android.content.pm.ActivityInfo
import android.content.res.Configuration
import android.content.res.Resources
import android.os.Build
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.util.Log
import android.view.*
import android.widget.FrameLayout
import android.widget.LinearLayout
import androidx.appcompat.widget.Toolbar
import androidx.constraintlayout.motion.widget.MotionLayout
import androidx.constraintlayout.widget.ConstraintLayout
import androidx.core.text.HtmlCompat
import androidx.core.view.ViewCompat
import androidx.core.view.ViewCompat.getWindowInsetsController
import androidx.core.view.WindowInsetsCompat
import androidx.core.view.WindowInsetsControllerCompat
import androidx.core.view.WindowInsetsControllerCompat.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE
import androidx.fragment.app.Fragment
import androidx.navigation.NavController
import androidx.navigation.Navigation
import com.google.android.material.bottomnavigation.BottomNavigationView
import androidx.navigation.findNavController
import androidx.navigation.ui.NavigationUI
import androidx.navigation.ui.NavigationUI.onNavDestinationSelected
import androidx.navigation.ui.setupWithNavController
import androidx.preference.PreferenceManager
import com.google.android.exoplayer2.ExoPlayer
import com.google.android.material.color.DynamicColors
import java.lang.Exception

class MainActivity : AppCompatActivity() {
    lateinit var bottomNavigationView: BottomNavigationView
    lateinit var toolbar: Toolbar
    lateinit var navController : NavController
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        val sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this)
        RetrofitInstance.url=sharedPreferences.getString("instance", "https://pipedapi.kavin.rocks/")!!
        DynamicColors.applyToActivitiesIfAvailable(application)
        setContentView(R.layout.activity_main)
        requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_PORTRAIT

        bottomNavigationView = findViewById(R.id.bottomNav)
        navController = findNavController(R.id.fragment)
        bottomNavigationView.setupWithNavController(navController)

        bottomNavigationView.setOnItemSelectedListener {
            when(it.itemId){
                R.id.home2 -> {
                    navController.backQueue.clear()
                    navController.navigate(R.id.home2)
                    true
                }
                R.id.subscriptions -> {
                    //navController.backQueue.clear()
                    navController.navigate(R.id.subscriptions)
                    true
                }
                R.id.library -> {
                    //navController.backQueue.clear()
                    navController.navigate(R.id.library)
                    true
                }
            }
            false
        }

        toolbar = findViewById(R.id.toolbar)
        val hexColor = String.format("#%06X", 0xFFFFFF and 0xcc322d)
        val appName = HtmlCompat.fromHtml(
            "Libre<span  style='color:$hexColor';>Tube</span>",
            HtmlCompat.FROM_HTML_MODE_COMPACT
        )
        toolbar.title= appName

        toolbar.setNavigationOnClickListener{
            //settings fragment stuff
            navController.navigate(R.id.settings)
            true
        }

        toolbar.setOnMenuItemClickListener{
            when (it.itemId){
                R.id.action_search -> {
                    navController.navigate(R.id.searchFragment)
                    true
                }
            }
            false
        }

    }


    override fun onBackPressed() {
        try{
            val mainMotionLayout = findViewById<MotionLayout>(R.id.mainMotionLayout)
            if (mainMotionLayout.progress == 0.toFloat()){
                mainMotionLayout.transitionToEnd()
                findViewById<ConstraintLayout>(R.id.main_container).isClickable=false
                val motionLayout = findViewById<MotionLayout>(R.id.playerMotionLayout)
                motionLayout.transitionToEnd()
                requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_PORTRAIT
                with(motionLayout) {
                    getConstraintSet(R.id.start).constrainHeight(R.id.player, 0)
                    enableTransition(R.id.yt_transition,true)
                }
                findViewById<LinearLayout>(R.id.linLayout).visibility=View.VISIBLE
                isFullScreen=false
            }else{
                navController.popBackStack()
                if (navController.currentBackStackEntry == null){
                    super.onBackPressed()
                }
            }
        }catch (e: Exception){
            navController.popBackStack()
            if (navController.currentBackStackEntry == null){
                super.onBackPressed()
            }
        }
    }
    override fun onConfigurationChanged(newConfig: Configuration) {
        super.onConfigurationChanged(newConfig)
        val orientation = newConfig.orientation
        if (orientation == Configuration.ORIENTATION_PORTRAIT) {
            println("Portrait")
            unsetFullscreen()
        } else if (orientation == Configuration.ORIENTATION_LANDSCAPE) {
            println("Landscape")
            setFullscreen()
        }
    }
    private fun setFullscreen() {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
            window.attributes.layoutInDisplayCutoutMode =
                WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_SHORT_EDGES
        }

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
            window.setDecorFitsSystemWindows(false)
            window.insetsController?.apply {
                hide(WindowInsets.Type.statusBars() or WindowInsets.Type.navigationBars())
                systemBarsBehavior = WindowInsetsController.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE
            }
        } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
            @Suppress("DEPRECATION")
            window.decorView.systemUiVisibility = (View.SYSTEM_UI_FLAG_FULLSCREEN
                    or View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
                    or View.SYSTEM_UI_FLAG_IMMERSIVE
                    or View.SYSTEM_UI_FLAG_LAYOUT_STABLE
                    or View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
                    or View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION)
        }
    }
    private fun unsetFullscreen(){
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
            window.attributes.layoutInDisplayCutoutMode =
                WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_DEFAULT
        }

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
            window.setDecorFitsSystemWindows(false)
            window.insetsController?.apply {
                show(WindowInsets.Type.statusBars() or WindowInsets.Type.navigationBars())
                systemBarsBehavior = WindowInsetsController.BEHAVIOR_DEFAULT
            }
        } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
            @Suppress("DEPRECATION")
            window.decorView.systemUiVisibility = (View.SYSTEM_UI_FLAG_VISIBLE or View.SYSTEM_UI_FLAG_LAYOUT_STABLE)
        }
    }
}