/*
 * Copyright (c) 2025 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.
 */

// [Start SelectionExtAbility]
import { selectionManager, PanelInfo, PanelType, SelectionExtensionAbility, BusinessError } from '@kit.BasicServicesKit';
import { SelectionModel } from '../models/SelectionModel';
import { Want } from '@kit.AbilityKit';
import { rpc } from '@kit.IPCKit';
import { hilog } from '@kit.PerformanceAnalysisKit';

class SelectionAbilityStub extends rpc.RemoteObject {
  constructor(des: string) {
    super(des);
  }

  onRemoteMessageRequest(
    code: number,
    data: rpc.MessageSequence,
    reply: rpc.MessageSequence,
    options: rpc.MessageOption
  ): boolean | Promise<boolean> {
    return true;
  }
}

class SelectionExtAbility extends SelectionExtensionAbility {
  private panel_: selectionManager.Panel | undefined = undefined;

  onConnect(want: Want): rpc.RemoteObject {
    try {
      SelectionModel.getInstance().setContext(this.context);
      selectionManager.on('selectionCompleted', async (info: selectionManager.SelectionInfo) => {
        if (this.panel_ == undefined) {
          await this.createSelectionPanel();
        }
        this.onSelected(info);
      });
    } catch(error) {
      hilog.info(0x0000, 'SelectionExtensionAbility', `Failed to onConnect, error: ${JSON.stringify(error)}`);
    }
    return new SelectionAbilityStub('remote');
  }

  onDisconnect(): void {
    if (this.panel_) {
      try {
        selectionManager.destroyPanel(this.panel_);
      } catch (error) {
        hilog.info(0x0000, 'SelectionExtensionAbility', `Failed to destroyPanel, error: ${JSON.stringify(error)}`);
      }
    }
  }

  async createSelectionPanel() {
    let panelInfo: PanelInfo = {
      panelType: PanelType.MENU_PANEL,
      x: 0,
      y: 0,
      width: 500,
      height: 300
    }
    try {
      let panel: selectionManager.Panel = await selectionManager.createPanel(this.context, panelInfo);    // 创建菜单面板
      this.panel_ = panel;
      panel.setUiContent('pages/MenuPanel')   // 设置菜单面板样式
        .then(() => {
          hilog.info(0x0000, 'SelectionExtensionAbility', 'Succeed to setUiContent [pages/MenuPanel].');
        })
        .catch((error: BusinessError) => {
          hilog.info(0x0000, 'SelectionExtensionAbility', `Failed to setUiContent, error: ${JSON.stringify(error)}`);
          return;
        })
    } catch(error) {
      hilog.info(0x0000, 'SelectionExtensionAbility', `Failed to createPanel, error: ${JSON.stringify(error)}`);
    }
  }

  async onSelected(info: selectionManager.SelectionInfo) {
    SelectionModel.getInstance().setSelectionInfo(info);
    try {
      let content = await selectionManager.getSelectionContent();   // 获取划词内容
      SelectionModel.getInstance().setSelectionContent(content);
    } catch (error) {
      hilog.info(0x0000, 'SelectionExtensionAbility', `Failed to get selection content: ${JSON.stringify(error)}`);
      return;
    }
    if (!this.panel_) {
      hilog.info(0x0000, 'SelectionExtensionAbility', 'Panel is not created yet.');
      return;
    }
    this.panel_.moveToGlobalDisplay(info.startDisplayX, info.startDisplayY)    // 将弹窗移动到用户鼠标划词的起始点
      .then(() => {
        hilog.info(0x0000, 'SelectionExtensionAbility', 'Move succeed.');
      })
      .catch((error: BusinessError) => {
        hilog.info(0x0000, 'SelectionExtensionAbility', `Failed to move, error: ${JSON.stringify(error)}`);
        return;
      });

    await this.panel_.show()    // 显示弹窗
      .then(() => {
        hilog.info(0x0000, 'SelectionExtensionAbility', 'Show succeed.');
      })
      .catch((error: BusinessError) => {
        hilog.info(0x0000, 'SelectionExtensionAbility', `Failed to show panel, error: ${JSON.stringify(error)}`);
        return;
      });

    this.panel_.on('hidden', () => {    // 监听弹窗隐藏（窗口失焦时会触发隐藏）
      hilog.info(0x0000, 'SelectionExtensionAbility', 'panel has hidden.');
    })
  }
}

export default SelectionExtAbility;
// [End SelectionExtAbility]