/*
 * Copyright (c) 2022 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 ServiceExtensionAbility from '@ohos.app.ability.ServiceExtensionAbility';
import window from '@ohos.window';
import display from '@ohos.display';
import inputMethod from '@ohos.inputMethod';
import prompt from '@ohos.prompt';

let TAG = '[InputMethodChooseDialog]';

export default class ServiceExtAbility extends ServiceExtensionAbility {
  onCreate(want) {
    console.log(TAG, 'onCreate');
    globalThis.windowNum = 0;
  }

  onRequest(want, startId) {
    console.log(TAG, 'onRequest execute');
    globalThis.abilityWant = want;
    display.getDefaultDisplay().then(() => {
      let dialogRect = {
        left: 50,
        top: 900,
        width: 300,
        height: 300,
      };
      this.getInputMethods().then(() => {
        this.createWindow('inputmethod Dialog: ' + startId, window.WindowType.TYPE_DIALOG, dialogRect)
      })
    }).catch((err) => {
      console.log(TAG + 'getDefaultDisplay err: ' + JSON.stringify(err));
    });

    globalThis.chooseInputMethods = ((prop: inputMethod.InputMethodProperty) => {
      inputMethod.switchInputMethod(prop).then((err) => {
        if (!err) {
          console.log(TAG + 'switchInputMethod failed, ' + JSON.stringify(err));
          prompt.showToast({
            message: 'switch failed', duration: 200
          })
        } else {
          console.log(TAG + 'switchInputMethod success.');
          prompt.showToast({
            message: 'switch success', duration: 200
          })
        }
      })
    })
  }

  onDestroy() {
    console.log(TAG + 'ServiceExtAbility destroyed.');
    globalThis.extensionWin.destroy();
    globalThis.context.terminateSelf();
  }

  private async createWindow(name: string, windowType: number, rect) {
    console.log(TAG + 'createWindow execute.');
    try {
      if (globalThis.windowNum > 0) {
        globalThis.windowNum = 0;
        globalThis.extensionWin.destroy();
        globalThis.context.terminateSelf();
      }
      const win = await window.create(this.context, name, windowType);
      globalThis.extensionWin = win;
      globalThis.context = this.context;
      await win.moveTo(rect.left, rect.top);
      await win.resetSize(rect.width, rect.height);
      await win.loadContent('pages/index');
      await win.show();
      globalThis.windowNum++;
      console.log(TAG + 'window create successfully.');
    } catch {
      console.info(TAG + 'window create failed.');
    }
  }

  private async getInputMethods() {
    globalThis.inputMethodList = [];
    try {
      let enableList = await inputMethod.getInputMethodSetting().listInputMethod(true);
      let disableList = await inputMethod.getInputMethodSetting().listInputMethod(false);
      globalThis.inputMethodList = [...enableList, ...disableList];
    } catch {
      console.log(TAG + 'getInputMethods failed.');
    }
  }
};