@SuppressLint("PermissionLaunchedDuringComposition")
@ExperimentalPermissionsApi
@Composable
fun FeatureThatRequiresPermission(
    permissions:MutableList<String> = mutableListOf(android.Manifest.permission.CAMERA),
    firstContent:String = "该权限这个应用程序很重要，请授予权限。",
    secondRequest:String = "需要该权限才能使用此功能，请授予权限。",
    lifecycle:Lifecycle,
    onSuccess: () -> Unit,
    onFail: () -> Unit,
) {
    val multiplePermissionsState = rememberMultiplePermissionsState(permissions)
    //权限是否"拒绝且不在访问"
    val isDenied = remember { mutableStateOf(false)}
    //是否在进行请求
    var isRequest = false
    //进行请求前shouldShowRationale状态
    var resumeShouldShowRationale = false

    class AppLifeObserver: LifecycleEventObserver {
        override fun onStateChanged(source: LifecycleOwner, event: Lifecycle.Event) {
            when (event){
                Lifecycle.Event.ON_RESUME -> if(isRequest){
                    isDenied.value = resumeShouldShowRationale == multiplePermissionsState.shouldShowRationale
                    isRequest = false
                }
                else -> {}
            }
        }
    }

    lifecycle.addObserver(AppLifeObserver())

    when (multiplePermissionsState.allPermissionsGranted) {
        true -> {
            onSuccess()
        }
        false -> {
            Dialog(onDismissRequest = {}) {
                var textToShow =""
                var textToTip =""
                var textToGo =""
                resumeShouldShowRationale = multiplePermissionsState.shouldShowRationale
                if(isDenied.value){
                    textToShow = secondRequest
                    textToTip = "取消前往"
                    textToGo = "前往设置"
                }
                else if ( resumeShouldShowRationale) {
                    textToShow = firstContent
                    textToTip = "取消许可"
                    textToGo = "请求许可"
                }else {
                    runBlocking {
                        launch {
                            delay(100)
                            multiplePermissionsState.launchMultiplePermissionRequest()
                            isRequest = true
                        }
                    }

                }
                Column(
                    horizontalAlignment=Alignment.CenterHorizontally,
                    modifier = Modifier
                        .fillMaxWidth().height(120.dp)
                        .clip(RoundedCornerShape(5.dp))
                        .background(Color.hsv(0f, 0f, 1f, if(textToShow=="") 0f else 0.3f))
                        .padding(25.dp, 5.dp)
                ) {
                    Text(textToShow, color = Color.White, modifier = Modifier.padding(10.dp))
                    Row(modifier = Modifier.fillMaxWidth(), horizontalArrangement = Arrangement.Center) {
                        Box(modifier = Modifier.fillMaxWidth(0.5f), contentAlignment = Alignment.CenterStart) {
                            TextButton(
                                onClick = {
                                    onFail()
                                }) {
                                Text(textToTip, color = Color.White)
                            }
                        }
                        Box(modifier = Modifier.fillMaxWidth(), contentAlignment = Alignment.CenterEnd) {
                            TextButton(
                                onClick = {
                                    if(isDenied.value) {
                                        val intent = Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS)
                                        intent.data = Uri.fromParts("package", App.context.packageName, null)
                                        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
                                        App.context.startActivity(intent)
                                        //为了跳转设置时回来重新检查权限
                                        resumeShouldShowRationale = true
                                    }
                                    else {
                                        multiplePermissionsState.launchMultiplePermissionRequest()
                                    }
                                    isRequest = true
                                }) {
                                Text( text = textToGo , color = Color.Red)
                            }
                        }
                    }
                }
            }
        }
    }
}