/*
 * Copyright (c) 2022-2024 Huawei Device Co., 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.
 */
import deviceManager from '@ohos.distributedHardware.deviceManager';
import { BusinessError } from '@ohos.base';
import UIExtensionContentSession from '@ohos.app.ability.UIExtensionContentSession';
import deviceInfo from '@ohos.deviceInfo';
import Constant from '../common/constant';

let dmClass: deviceManager.DeviceManager | null;
let TAG = '[DeviceManagerUI:PinDialog]==>';
const ACTION_CANCEL_PINCODE_DISPLAY: number = 3;
const MSG_CANCEL_PIN_CODE_SHOW: number = 2;

@CustomDialog
struct PinCustomDialog {
  @State pinCode: string = '';
  @State pinCodeArr: Array<string> = [];
  @State btnColor: ResourceColor = Color.Transparent;
  @State isPC: boolean = false;
  controller?: CustomDialogController

  cancel() {
    console.log(TAG + 'destruction()');
    try {
      console.log(TAG + 'pin dialog terminateSelf');
      let session = AppStorage.get<UIExtensionContentSession>('pinSession');
      if (session) {
        session.terminateSelf();
      }
    } catch (err) {
      console.log(TAG + 'dialog cancel failed: ' + JSON.stringify(err));
    }
  }

  aboutToAppear() {
    console.log(TAG + 'aboutToAppear execute PinCustomDialog');
    this.isPC = Constant.isPC();
    // 获取pinCode
    this.pinCode = AppStorage.get('pinCode') as string;
    this.pinCodeArr = this.pinCode.split('');
    console.log(TAG + 'this.pinCodeArr' + this.pinCodeArr);
  }

  setUserOperation(operation: number) {
    console.log(TAG + 'setUserOperation: ' + operation);
    if (dmClass == null) {
      console.log(TAG + 'setUserOperation: ' + 'dmClass null');
      return;
    }
    try {
      dmClass.setUserOperation(operation, 'extra');
    } catch (error) {
      console.log(TAG + 'dmClass setUserOperation failed');
    }
  }

  build() {
    GridRow({
      columns: { xs: 4, sm: 8, md: this.isPC ? 24 : 12 },
      gutter: { x: 4 },
      breakpoints: { value: ['600vp', '840vp'] }
    }) {
      GridCol({ span: { xs: 4, sm: 4, md: this.isPC ? 6 : 4 }, offset: { sm: 2, md: this.isPC ? 9 : 4 } }) {
        Column() {
          Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
            Text($r('app.string.dm_connect_code'))
              .fontSize($r('sys.float.ohos_id_text_size_dialog_tittle'))
              .fontColor($r('sys.color.ohos_id_color_text_primary'))
              .fontWeight(FontWeight.Bold)
              .margin({
                left: 24,
                right: 24
              })
          }
          .constraintSize({ minHeight: 56 })
          .margin({ bottom: this.isPC ? 16 : 8 })

          Row() {
            Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
              ForEach(this.pinCodeArr, (item: string) => {
                Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
                  Text(item)
                    .fontSize($r('sys.float.ohos_id_text_size_headline7'))
                    .fontColor($r('sys.color.ohos_id_color_text_primary'))
                    .fontWeight(FontWeight.Medium)
                    .height(26)
                }.width('10%')
                .height('100%')
              })
            }.height(48)
          }
          .margin({ bottom: this.isPC ? 16 : 8 })

          Flex({ justifyContent: FlexAlign.Center }) {
            Button($r('app.string.dm_cancel'))
              .fontSize($r('sys.float.ohos_id_text_size_button1'))
              .fontColor($r('sys.color.ohos_id_color_text_primary_activated'))
              .constraintSize({ minHeight: 40 })
              .width('100%')
              .backgroundColor(this.btnColor)
              .onClick(() => {
                if (this.controller) {
                  this.controller.close();
                }
                this.cancel();
                this.setUserOperation(ACTION_CANCEL_PINCODE_DISPLAY);
              })
              .onHover((isHover?: boolean, event?: HoverEvent): void => {
                if (isHover) {
                  this.btnColor = $r('sys.color.ohos_id_color_hover');
                } else {
                  this.btnColor = this.isPC ? $r('sys.color.ohos_id_color_button_normal') : Color.Transparent;
                }
              })
              .stateStyles({
                pressed: {
                  .backgroundColor($r('sys.color.ohos_id_color_click_effect'))
                },
                normal: {
                  .backgroundColor(this.isPC ? $r('sys.color.ohos_id_color_button_normal') : Color.Transparent)
                }
              })
          }.margin({
            left: this.isPC ? 72 : 16,
            right: this.isPC ? 72 : 16,
            bottom: this.isPC ? 24 : 16 })
        }
        .constraintSize({ maxHeight: `${300}` })
        .borderRadius($r('sys.float.ohos_id_corner_radius_dialog'))
        .backgroundBlurStyle(BlurStyle.COMPONENT_ULTRA_THICK)
        .margin({ left: $r('sys.float.ohos_id_dialog_margin_start'), right: $r('sys.float.ohos_id_dialog_margin_end') })
      }
    }
  }
}

@Entry
@Component
struct dialogPlusPage {
  dialogController: CustomDialogController = new CustomDialogController({
    builder: PinCustomDialog(),
    cancel: this.onCancel,
    autoCancel: false,
    alignment: DialogAlignment.Center,
    offset: { dx: 0, dy: -20 },
    customStyle: true,
    maskColor: $r('sys.color.ohos_id_color_mask_thin')
  });

  onCancel() {
    this.destruction();
  }

  aboutToAppear() {
    this.initStatue();
    console.log(TAG + 'aboutToAppear execute')
  }

  aboutToDisappear() {
    console.log(TAG + 'aboutToDisappear executed')
    if (dmClass != null) {
      try {
        dmClass.off('uiStateChange')
        try {
          dmClass.release();
        } catch (err) {
          let e: BusinessError = err as BusinessError;
          console.error(TAG + 'release device manager errCode:' + e.code + ',errMessage:' + e.message);
        }
      } catch (error) {
        console.log(TAG + 'dmClass release failed')
      }
      dmClass = null
    }
  }

  initStatue() {
    if (dmClass) {
      console.log(TAG + 'deviceManager exist');
      return;
    }
    deviceManager.createDeviceManager('com.ohos.devicemanagerui.pin',
      (err: Error, dm: deviceManager.DeviceManager) => {
        if (err) {
          console.log('createDeviceManager err:' + JSON.stringify(err) + ' --fail:' + JSON.stringify(dm))
          return
        }
        dmClass = dm
        dmClass.on('uiStateChange', (data: Record<string, string>) => {
          console.log('uiStateChange executed, dialog closed' + JSON.stringify(data))
          let tmpStr: Record<string, number> = JSON.parse(data.param)
          let msg: number = tmpStr.uiStateMsg as number
          if (msg === MSG_CANCEL_PIN_CODE_SHOW) {
            this.destruction()
          }
        })
      });
  }

  setUserOperation(operation: number) {
    console.log(TAG + 'setUserOperation: ' + operation)
    if (dmClass == null) {
      console.log(TAG + 'setUserOperation: ' + 'dmClass null')
      return;
    }
    try {
      dmClass.setUserOperation(operation, 'extra');
    } catch (error) {
      console.log(TAG + 'dmClass setUserOperation failed')
    }
  }

  destruction() {
    console.log(TAG + 'destruction()');
    try {
      console.log(TAG + 'pin dialog terminateSelf');
      let session = AppStorage.get<UIExtensionContentSession>('pinSession');
      if (session) {
        session.terminateSelf();
      }
    } catch (err) {
      console.log(TAG + 'dialog cancel failed: ' + JSON.stringify(err));
    }
  }

  build() {
    Column(this.dialogController.open())
  }
}