package com.covalima.rekomendasaunaihan.ui.splash

import android.animation.ValueAnimator
import android.content.Intent
import android.os.Bundle
import android.view.animation.LinearInterpolator
import androidx.appcompat.app.AppCompatActivity
import com.covalima.rekomendasaunaihan.MainActivity
import com.covalima.rekomendasaunaihan.databinding.ActivitySplashBinding
import com.covalima.rekomendasaunaihan.ui.auth.LoginActivity
import com.covalima.rekomendasaunaihan.util.SessionManager

/**
 * SplashActivity
 *
 * Ecran primeiru ne'ebe aparese bainhira loke aplikasaun.
 * Hatudu titulu "BEM-VINDU" + progress bar antes tama ba
 * ecran Login (ka direta ba Main se user login ona).
 */
class SplashActivity : AppCompatActivity() {

    private lateinit var binding: ActivitySplashBinding

    companion object {
        private const val SPLASH_DURATION_MS = 4000L
    }

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

        runProgressBar()
    }

    private fun runProgressBar() {
        val animator = ValueAnimator.ofInt(0, 100)
        animator.duration = SPLASH_DURATION_MS
        animator.interpolator = LinearInterpolator()

        animator.addUpdateListener { valueAnimator ->
            val progress = valueAnimator.animatedValue as Int
            binding.progressBarSplash.progress = progress

            // Troka mensajen tuir progress, hanesan status karga dadus
            binding.tvSplashStatus.text = when {
                progress < 40 -> "Karga dadus, favór hein…"
                progress < 80 -> "Prepara sistema rekomendasaun…"
                else -> "Kuaze kompletu…"
            }
        }

        animator.start()

        binding.root.postDelayed({
            goToNextScreen()
        }, SPLASH_DURATION_MS)
    }

    private fun goToNextScreen() {
        val session = SessionManager(this)
        val nextActivity = if (session.isLoggedIn()) {
            MainActivity::class.java
        } else {
            LoginActivity::class.java
        }
        startActivity(Intent(this, nextActivity))
        finish()
    }
}