package app.grapheneos.setupwizard.view.activity

import android.os.Bundle
import android.os.Handler
import android.os.Looper
import android.view.View
import android.view.WindowManager
import android.widget.Button
import android.content.Context
import android.app.admin.DevicePolicyManager

import app.grapheneos.setupwizard.R
import app.grapheneos.setupwizard.action.FinishActions

import com.android.secureline.ISecureLineManager

class FinishActivity : SetupWizardActivity(
    R.layout.activity_finish_secureline,
    R.drawable.baseline_done_all_glif,
    R.string.sl_finish_title,
    R.string.sl_finish_body
) {

    private lateinit var finishButton: Button

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

        // Keep the final LemenzoOS screen visually consistent with the
        // other branded setup screens. Provisioning logic is unchanged.
        window.clearFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS)
        window.statusBarColor = getColor(R.color.secureline_background)
        window.navigationBarColor = getColor(R.color.secureline_background)
        window.decorView.systemUiVisibility =
            View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY or
            View.SYSTEM_UI_FLAG_HIDE_NAVIGATION or
            View.SYSTEM_UI_FLAG_FULLSCREEN

        // 🔒 Block gesture back (Android 13+)
        if (android.os.Build.VERSION.SDK_INT >= 33) {
            onBackInvokedDispatcher.registerOnBackInvokedCallback(
                android.window.OnBackInvokedDispatcher.PRIORITY_OVERLAY
            ) {
                // fully ignore back gesture
            }
        }
    }

    override fun bindViews() {
        finishButton = findViewById(R.id.primary_button)
        finishButton.setText(R.string.sl_finish_enter)
    }

    override fun onBackPressed() {
        // 🔒 Block hardware/software back
    }

    override fun setupActions() {

        finishButton.setOnClickListener {

            /*
             finish setupwizard
             sets:
             device_provisioned = 1
             user_setup_complete = 1
            */
            FinishActions.finish(this, false)

            /*
             Let system handle transition (CRITICAL FIX)
             Force lock → triggers proper launcher start
            */
            Handler(Looper.getMainLooper())
                .postDelayed({

                    try {
                        val dpm = getSystemService(
                            Context.DEVICE_POLICY_SERVICE
                        ) as DevicePolicyManager

                        dpm.lockNow()

                    } catch (e: Exception) {
                        e.printStackTrace()
                    }

                }, 300)

            /*
             notify SecureLine after provisioning
            */
            Handler(Looper.getMainLooper())
                .postDelayed({

                    try {
                        val sm =
                            ISecureLineManager.Stub.asInterface(
                                android.os.ServiceManager.getService("secureline")
                            )

                        sm?.notifyDeviceUnlocked()

                    } catch (e: Exception) {
                        e.printStackTrace()
                    }

                }, 1500)
        }
    }
}