package com.xxx.xxx.utils
import android.util.Log
import android.view.View
import android.view.Window
import androidx.core.view.ViewCompat
import androidx.core.view.WindowInsetsCompat
import androidx.fragment.app.DialogFragment
import androidx.fragment.app.Fragment

private val KEYBOARD = WindowInsetsCompat.Type.ime()
private val NAVIGATION_BAR = WindowInsetsCompat.Type.navigationBars()
fun registerKeyboardListener(window: Window?, block: (currentFocusView: View?, imeVisible: Boolean) -> Unit) {
    window?.decorView?.rootView?.let { windowView ->
        windowView.post {// Add this case there are input comp in 2 consecutive pages(unregisterKeyboardListener method will invoke after the register invoke)
            Log.d("KeyboardUtils","KeyboardListener==>register@${windowView.hashCode()}")
            val listener = androidx.core.view.OnApplyWindowInsetsListener { view, insets ->
                window.currentFocus?.let { currentFocus ->
                    val imeVisible = insets.isVisible(KEYBOARD)
                    Log.d("KeyboardUtils","KeyboardListener==>keyboardShown:$imeVisible")
                    block.invoke(currentFocus, imeVisible)
                }
                //cannot return insets,must returns as below:
                ViewCompat.onApplyWindowInsets(view, insets)
            }
            ViewCompat.setOnApplyWindowInsetsListener(windowView, listener)
        }
    }
}

fun unregisterKeyboardListener(window: Window?) {
    window?.decorView?.rootView?.let { windowView ->
        ViewCompat.setOnApplyWindowInsetsListener(windowView, null)
        Log.d("KeyboardUtils","KeyboardListener==>unregister@${windowView.hashCode()}")
    }
}
fun getSystemWindow(fragment: Fragment?, isEmbeddedFragment: Boolean = false): Window? {
        val windowFragment = if (isEmbeddedFragment) {
            fragment?.parentFragment
        } else {
            fragment
        }
        val window: Window? = if (windowFragment is DialogFragment) {
            windowFragment.dialog?.window
        } else {
            windowFragment?.activity?.window
        }
        return window
    }

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