package com.carriez.flutter_hbb

import android.Manifest.permission.*
import android.annotation.SuppressLint
import android.content.Context
import android.content.Intent
import android.media.AudioRecord
import android.media.AudioRecord.READ_BLOCKING
import android.media.MediaCodecList
import android.media.MediaFormat
import android.net.Uri
import android.os.Build
import android.os.Handler
import android.os.Looper
import android.os.PowerManager
import android.provider.Settings
import android.provider.Settings.*
import androidx.annotation.RequiresApi
import androidx.core.content.ContextCompat.getSystemService
import com.hjq.permissions.Permission
import com.hjq.permissions.XXPermissions
import java.nio.ByteBuffer
import java.util.*


// intent action, extra
const val ACT_REQUEST_MEDIA_PROJECTION = "REQUEST_MEDIA_PROJECTION"
const val ACT_INIT_MEDIA_PROJECTION_AND_SERVICE = "INIT_MEDIA_PROJECTION_AND_SERVICE"
const val ACT_LOGIN_REQ_NOTIFY = "LOGIN_REQ_NOTIFY"
const val EXT_INIT_FROM_BOOT = "EXT_INIT_FROM_BOOT"
const val EXT_MEDIA_PROJECTION_RES_INTENT = "MEDIA_PROJECTION_RES_INTENT"
const val EXT_LOGIN_REQ_NOTIFY = "LOGIN_REQ_NOTIFY"

// Activity requestCode
const val REQ_INVOKE_PERMISSION_ACTIVITY_MEDIA_PROJECTION = 101
const val REQ_REQUEST_MEDIA_PROJECTION = 201

// Activity responseCode
const val RES_FAILED = -100

// Flutter channel
const val START_ACTION = "start_action"
const val GET_START_ON_BOOT_OPT = "get_start_on_boot_opt"
const val SET_START_ON_BOOT_OPT = "set_start_on_boot_opt"
const val SYNC_APP_DIR_CONFIG_PATH = "sync_app_dir"

const val KEY_SHARED_PREFERENCES = "KEY_SHARED_PREFERENCES"
const val KEY_START_ON_BOOT_OPT = "KEY_START_ON_BOOT_OPT"
const val KEY_APP_DIR_CONFIG_PATH = "KEY_APP_DIR_CONFIG_PATH"

@SuppressLint("ConstantLocale")
val LOCAL_NAME = Locale.getDefault().toString()
val SCREEN_INFO = Info(0, 0, 1, 200)

data class Info(
    var width: Int, var height: Int, var scale: Int, var dpi: Int
)

fun requestPermission(context: Context, type: String) {
    XXPermissions.with(context)
        .permission(type)
        .request { _, all ->
            if (all) {
                Handler(Looper.getMainLooper()).post {
                    MainActivity.flutterMethodChannel?.invokeMethod(
                        "on_android_permission_result",
                        mapOf("type" to type, "result" to all)
                    )
                }
            }
        }
}

fun startAction(context: Context, action: String) {
    try {
        context.startActivity(Intent(action).apply {
            addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
            // don't pass package name when launch ACTION_ACCESSIBILITY_SETTINGS
            if (ACTION_ACCESSIBILITY_SETTINGS != action) {
                data = Uri.parse("package:" + context.packageName)
            }
        })
    } catch (e: Exception) {
        e.printStackTrace()
    }
}

class AudioReader(val bufSize: Int, private val maxFrames: Int) {
    private var currentPos = 0
    private val bufferPool: Array<ByteBuffer>

    init {
        if (maxFrames < 0 || maxFrames > 32) {
            throw Exception("Out of bounds")
        }
        if (bufSize <= 0) {
            throw Exception("Wrong bufSize")
        }
        bufferPool = Array(maxFrames) {
            ByteBuffer.allocateDirect(bufSize)
        }
    }

    private fun next() {
        currentPos++
        if (currentPos >= maxFrames) {
            currentPos = 0
        }
    }

    @RequiresApi(Build.VERSION_CODES.M)
    fun readSync(audioRecord: AudioRecord): ByteBuffer? {
        val buffer = bufferPool[currentPos]
        val res = audioRecord.read(buffer, bufSize, READ_BLOCKING)
        return if (res > 0) {
            next()
            buffer
        } else {
            null
        }
    }
}
