avh-plan-android/app/src/main/java/com/denizd/substitutionplan/FirstTime.kt

package com.denizd.substitutionplan

import android.content.Context
import android.content.Intent
import android.content.SharedPreferences
import android.graphics.drawable.AnimatedVectorDrawable
import android.os.Build
import android.os.Bundle
import android.os.Handler
import android.preference.PreferenceManager
import android.view.LayoutInflater
import android.view.View
import android.view.ViewAnimationUtils
import android.view.animation.Animation
import android.view.animation.AnimationUtils
import android.widget.*
import androidx.appcompat.app.AlertDialog
import androidx.appcompat.app.AppCompatActivity
import androidx.appcompat.app.AppCompatDelegate
import androidx.coordinatorlayout.widget.CoordinatorLayout
import androidx.core.content.ContextCompat
import androidx.vectordrawable.graphics.drawable.AnimatedVectorDrawableCompat
import com.google.android.material.floatingactionbutton.ExtendedFloatingActionButton
import com.google.android.material.textfield.TextInputEditText
import java.util.*

class FirstTime : AppCompatActivity(R.layout.activity_first_time) {

    private lateinit var context: Context
    private lateinit var prefs: SharedPreferences

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)

        val window = this.window

        when (AppCompatDelegate.getDefaultNightMode()) {
            AppCompatDelegate.MODE_NIGHT_NO, AppCompatDelegate.MODE_NIGHT_UNSPECIFIED -> {
                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
                    window.decorView.systemUiVisibility = View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR
                    window.navigationBarColor = ContextCompat.getColor(this, R.color.colorBackground)
                } else {
                    window.statusBarColor = ContextCompat.getColor(this, R.color.legacyBlack)
                    window.navigationBarColor = ContextCompat.getColor(this, R.color.legacyBlack)
                }
            }
            else -> {
                window.navigationBarColor = ContextCompat.getColor(this, R.color.colorBackground)
                window.decorView.systemUiVisibility = View.SYSTEM_UI_FLAG_VISIBLE
            }
        }

        context = this
        prefs = PreferenceManager.getDefaultSharedPreferences(context) as SharedPreferences
        val edit = prefs.edit()
        val fab = findViewById<ExtendedFloatingActionButton>(R.id.efab)
        val start = Intent(this, Main::class.java)
        val name = findViewById<TextInputEditText>(R.id.txtName)
        val grade = findViewById<TextInputEditText>(R.id.txtClasses)
        val courses = findViewById<TextInputEditText>(R.id.txtCourses)
        val notif = findViewById<CheckBox>(R.id.cbNotif)
        val dark = findViewById<CheckBox>(R.id.cbDark)
        val pers = findViewById<CheckBox>(R.id.cbPersonalised)
        val helpClasses = findViewById<ImageButton>(R.id.chipHelpClasses)
        val helpCourses = findViewById<ImageButton>(R.id.chipHelpCourses)

        helpClasses.setOnClickListener {
            createDialog(getString(R.string.enterGradeHelpTitle), getString(R.string.enterGradeHelp))
        }
        helpCourses.setOnClickListener {
            createDialog(getString(R.string.enterCoursesHelpTitle), getString(R.string.enterCoursesHelp))
        }

        val inflater = this.getSystemService(Context.LAYOUT_INFLATER_SERVICE) as LayoutInflater

        fab.setOnClickListener {
            fab.isClickable = false

            edit.putString("firstTimeDev", Calendar.getInstance().time.toString())
                    .putString("username", name.text.toString())
                    .putString("classes", grade.text.toString())
                    .putString("courses", courses.text.toString())
            if (dark.isChecked) {
                edit.putInt("themeInt", 1)
            } else {
                edit.putInt("themeInt", 0)
            }
            edit.putBoolean("notif", notif.isChecked)
                    .putBoolean("greeting", findViewById<CheckBox>(R.id.cbGreetings).isChecked)
                    .putBoolean("defaultPersonalised", pers.isChecked)
                    .putBoolean("firstTime", false)
                    .apply()

            val cLayout = findViewById<CoordinatorLayout>(R.id.coordinatorLayout)
            val linearInflation = findViewById<LinearLayout>(R.id.linearInflation)

            val x: Int = fab.right - fab.width / 2
            val y: Int = fab.bottom- fab.height / 2
            val endRadius = Math.hypot(cLayout.width.toDouble(), cLayout.height.toDouble()).toInt()
            inflater.inflate(R.layout.welcome_screen, linearInflation, true)
            val anim = ViewAnimationUtils.createCircularReveal(linearInflation, x, y, 0F, endRadius.toFloat())
            val handler = Handler()
            val animOut = AnimationUtils.loadAnimation(context, R.anim.fade_out_short)
            anim.duration = 600
            val colour = findViewById<LinearLayout>(R.id.colourLayout)
            linearInflation.visibility = View.VISIBLE
            anim.start()
            fab.hide(true)

            handler.postDelayed({
                colour.startAnimation(animOut)
            }, 400)
            animOut.setAnimationListener(object: Animation.AnimationListener {
                override fun onAnimationStart(arg0: Animation) {}
                override fun onAnimationRepeat(arg0: Animation) {}
                override fun onAnimationEnd(arg0: Animation) {
                    colour.visibility = View.GONE
                }
            })
            handler.postDelayed({
                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
                    val mImgCheck = findViewById<ImageView>(R.id.imageView).drawable as AnimatedVectorDrawable
                    mImgCheck.start()
                } else {
                    val mImgCheck = findViewById<ImageView>(R.id.imageView).drawable as AnimatedVectorDrawableCompat
                    mImgCheck.start()
                }
            }, 1000)
            handler.postDelayed({
                startActivity(start)
                finish()
            }, 2000)
        }
    }

    private fun createDialog(title: String, text: String) {
        val alertDialog = AlertDialog.Builder(context, R.style.AlertDialog)
        val dialogView = LayoutInflater.from(context).inflate(R.layout.simple_dialog, null)
        val dialogTitle = dialogView.findViewById<TextView>(R.id.textviewtitle)
        val dialogText = dialogView.findViewById<TextView>(R.id.dialogtext)
        dialogTitle.text = title
        dialogText.text = text
        alertDialog.setView(dialogView).show()
    }
}