package com.splashview

import android.app.Activity
import android.app.Dialog
import android.graphics.Color
import android.os.Build
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.view.WindowManager

object SplashView {
  private var splashDialog: Dialog? = null
  private var activityRef: java.lang.ref.WeakReference<Any>? = null
  fun showSplashView(activity: Activity) {
    if (activity.isFinishing || activity.isDestroyed) {
      println("Skipping showSplash: Activity is not ready.")
      return
    }
    activityRef = java.lang.ref.WeakReference(activity)

    activity.runOnUiThread {
      if (splashDialog?.isShowing == true) return@runOnUiThread

      val inflater = LayoutInflater.from(activity)
      val dialogView: View = inflater.inflate(R.layout.launch_screen, null)

      val themeId =
        activity.resources.getIdentifier("SplashViewTheme", "style", activity.packageName)
      val themeResId = if (themeId != 0) themeId else R.style.SplashScreen_SplashTheme

      splashDialog = Dialog(activity, themeResId).apply {
        setContentView(dialogView)
        setCancelable(false)

        window?.apply {
          setLayout(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT)
          setBackgroundDrawableResource(android.R.color.transparent)

          // Allow content to extend behind the status bar
          setFlags(
            WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS,
            WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS
          )

          // Ensure the status bar remains visible but transparent
          addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS)
          statusBarColor = Color.TRANSPARENT

          if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
            setDecorFitsSystemWindows(false) // Ensures proper layout behind the status bar
          }
        }
        show()
      }
    }
  }


  fun hideSplashView() {
    val activity = activityRef?.get() as? Activity

    if (activity == null) {
      splashDialog = null
      activityRef = null
      return
    }

    activity.runOnUiThread {
      try {
        splashDialog?.let { dialog ->
          val decorView = dialog.window?.decorView

          if (dialog.isShowing && decorView?.isAttachedToWindow == true) {
            dialog.dismiss()
          }
        }
      } catch (e: Exception) {
        // Safe guard — prevent crash in rare edge cases
      } finally {
        splashDialog = null
        activityRef = null
      }
    }
  }
}