/*
 * Copyright © 2014-2020 The Android Password Store Authors. All Rights Reserved.
 * SPDX-License-Identifier: GPL-3.0-only
 */
package com.zeapo.pwdstore

import android.content.Intent
import android.os.Bundle
import android.os.Handler
import androidx.appcompat.app.AppCompatActivity
import androidx.core.content.edit
import androidx.preference.PreferenceManager
import com.zeapo.pwdstore.crypto.DecryptActivity
import com.zeapo.pwdstore.utils.BiometricAuthenticator

class LaunchActivity : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        val prefs = PreferenceManager.getDefaultSharedPreferences(this)
        if (prefs.getBoolean("biometric_auth", false)) {
            BiometricAuthenticator.authenticate(this) {
                when (it) {
                    is BiometricAuthenticator.Result.Success -> {
                        startTargetActivity(false)
                    }
                    is BiometricAuthenticator.Result.HardwareUnavailableOrDisabled -> {
                        prefs.edit { remove("biometric_auth") }
                        startTargetActivity(false)
                    }
                    is BiometricAuthenticator.Result.Failure, BiometricAuthenticator.Result.Cancelled -> {
                        finish()
                    }
                }
            }
        } else {
            startTargetActivity(true)
        }
    }

    private fun startTargetActivity(noAuth: Boolean) {
        if (intent.action == ACTION_DECRYPT_PASS) {
            val decryptIntent = Intent(this, DecryptActivity::class.java)
            decryptIntent.putExtra("NAME", intent.getStringExtra("NAME"))
            decryptIntent.putExtra("FILE_PATH", intent.getStringExtra("FILE_PATH"))
            decryptIntent.putExtra("REPO_PATH", intent.getStringExtra("REPO_PATH"))
            decryptIntent.putExtra("LAST_CHANGED_TIMESTAMP", intent.getLongExtra("LAST_CHANGED_TIMESTAMP", 0L))
            startActivity(decryptIntent)
        } else {
            startActivity(Intent(this, PasswordStore::class.java))
        }
        overridePendingTransition(android.R.anim.fade_in, android.R.anim.fade_out)
        Handler().postDelayed({ finish() }, if (noAuth) 0L else 500L)
    }

    companion object {
        const val ACTION_DECRYPT_PASS = "DECRYPT_PASS"
    }
}