/*
 * Copyright 2024 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.devicediagnostics.trusted

import android.Manifest
import android.content.Intent
import android.os.Bundle
import androidx.fragment.app.FragmentActivity
import androidx.fragment.app.commit
import androidx.preference.PreferenceFragmentCompat
import com.android.devicediagnostics.R
import com.android.devicediagnostics.PermissionsHelper
import com.android.devicediagnostics.TestStatus
import com.android.devicediagnostics.bluetooth.BluetoothServer
import java.lang.Exception

class QrCodeScanFragment() : PreferenceFragmentCompat() {
    override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
        setPreferencesFromResource(R.xml.preferences_trusted_scan, rootKey)
    }
}

class QrCodeScanActivity : FragmentActivity(R.layout.activity_one_fragment) {
    private var mFragment = QrCodeScanFragment()
    private lateinit var testStatus: TestStatus

    private val permissions = PermissionsHelper(this,
        arrayOf(
            Manifest.permission.CAMERA,
            Manifest.permission.BLUETOOTH_ADVERTISE,
            Manifest.permission.BLUETOOTH_CONNECT,
            Manifest.permission.BLUETOOTH_SCAN)
    ) { onPermissionsGranted() }

    private fun onPermissionsGranted() {
        supportFragmentManager.commit {
            setReorderingAllowed(true)
            add(R.id.fragment_container_view, mFragment)
        }
        Thread {
            val ts = BluetoothServer.read()
            try {
                testStatus = TestStatus(ts, getAttestation = true)
                runOnUiThread {
                    Intent(this, DisplayResultActivity::class.java).also {
                        testStatus.write(it)
                        startActivity(it)
                    }
                }
            } catch (_: Exception) {
            }
        }.start()
    }

    override fun onResume() {
        super.onResume()
        permissions.requestPermissions()
    }
}