/*
 * Copyright (c) 2024 New Vector Ltd
 *
 * 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
 *
 *     http://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 io.element.android.features.lockscreen.impl.unlock.activity

import android.content.Context
import android.content.Intent
import android.os.Bundle
import androidx.activity.OnBackPressedCallback
import androidx.activity.compose.setContent
import androidx.activity.enableEdgeToEdge
import androidx.appcompat.app.AppCompatActivity
import androidx.lifecycle.lifecycleScope
import io.element.android.features.lockscreen.api.LockScreenLockState
import io.element.android.features.lockscreen.api.LockScreenService
import io.element.android.features.lockscreen.impl.unlock.PinUnlockPresenter
import io.element.android.features.lockscreen.impl.unlock.PinUnlockView
import io.element.android.features.lockscreen.impl.unlock.di.PinUnlockBindings
import io.element.android.libraries.architecture.bindings
import io.element.android.libraries.designsystem.theme.ElementThemeApp
import io.element.android.libraries.preferences.api.store.AppPreferencesStore
import kotlinx.coroutines.launch
import javax.inject.Inject

class PinUnlockActivity : AppCompatActivity() {
    internal companion object {
        fun newIntent(context: Context): Intent {
            return Intent(context, PinUnlockActivity::class.java)
        }
    }

    @Inject lateinit var presenter: PinUnlockPresenter
    @Inject lateinit var lockScreenService: LockScreenService
    @Inject lateinit var appPreferencesStore: AppPreferencesStore

    override fun onCreate(savedInstanceState: Bundle?) {
        enableEdgeToEdge()
        super.onCreate(savedInstanceState)
        bindings<PinUnlockBindings>().inject(this)
        setContent {
            ElementThemeApp(appPreferencesStore) {
                val state = presenter.present()
                PinUnlockView(state = state, isInAppUnlock = false)
            }
        }
        lifecycleScope.launch {
            lockScreenService.lockState.collect { state ->
                if (state == LockScreenLockState.Unlocked) {
                    finish()
                }
            }
        }
        val onBackPressedCallback = object : OnBackPressedCallback(true) {
            override fun handleOnBackPressed() {
                moveTaskToBack(true)
            }
        }
        onBackPressedDispatcher.addCallback(this, onBackPressedCallback)
    }
}
