import { hilog } from '@kit.PerformanceAnalysisKit';
import fs from '@ohos.file.fs';
import fileIO from '@ohos.fileio';
import { Context } from '@kit.AbilityKit';
//import OCCTRender from 'libOCCTRender.so';

const DOMAIN = 0x0000;

@Component
export struct ModelView {
  private displayController: XComponentController = new XComponentController();
  private displayContrId: string = 'OCCTRenderer';
  @State modelPath: string = '';
  @State modelName:string='model.step';
  @State nativeWindow:string='';
  aboutToAppear() {
    this.copyRawFileToSandbox();
  }
  async copyRawFileToSandbox() {
  try {

    const context = getContext(this);
    this.modelPath = `${context.filesDir}/${this.modelName}`;
    const arrayBuffer:Uint8Array = await context.resourceManager.getRawFileContent(this.modelName);
    const buffer = arrayBuffer.buffer;
    console.log('Raw file size:', arrayBuffer.byteLength);
    if (fs.accessSync(this.modelPath)) {
      fs.unlinkSync(this.modelPath);
    }
    const fd = fileIO.openSync(this.modelPath, fs.OpenMode.CREATE | fs.OpenMode.READ_WRITE,0o666);
    const bytesWritten = fileIO.writeSync(fd, buffer);
    console.log('Bytes written:', bytesWritten);
    fileIO.closeSync(fd);
    console.log('SanBox File:', arrayBuffer.byteLength);
    console.log('WriteModelPath:', this.modelPath);
  } catch (err) {
    let msg = 'Unknown error';
    if (err instanceof Error) {
      msg = err.message;
    } else if (typeof err === 'string') {
      msg = err;
    }
    console.error(`Copy failed: ${msg}`);
    throw new Error(`Failed to copy ${this.modelName} to sandbox: ${msg}`);
  }
}
  build() {
    Flex({ direction: FlexDirection.Column }) {
      Button('加载模型').onClick(()=>{
        try {
          // 调用 native 初始化渲染器
          console.log('displayContrId:', this.displayContrId);
          console.log('NativeWindow:', this.nativeWindow);
          console.log('ModelPath:', this.modelPath);
          hilog.info(0x0000, 'ModelView', 'Load Model');
          // 复制模型文件并获取路径
          console.info('Model copied to:', this.modelPath);
          // 调用 native 加载
          //OCCTRender.loadModel(this.displayContrId, this.modelPath);
        } catch (e) {
          hilog.error(0x0000, 'ModelView', `LoadModel Failed: ${JSON.stringify(e)}`);
        }
      })
      Button('日志测试').onClick(async()=>{
        //NAPI日志接口测试
        let OCCTRender = await import("libOCCTRender.so")
        hilog.info(DOMAIN, 'testTag', 'Test NAPI 2 + 3 = %{public}d', OCCTRender.add(2, 3));
      })
      // XComponent({
      //   id: this.displayContrId,
      //   type: 'surface',
      //   controller: this.displayController
      // })
      //   .onLoad(() => {
      //     // 获取 native window（必须在 onLoad 后才能获取）
      //     this.nativeWindow = this.displayController.getXComponentSurfaceId();
      //     if (this.nativeWindow === undefined || this.nativeWindow === '') {
      //       hilog.error(0x0000, 'ModelView', 'Failed to get native window');
      //       return;
      //     }
      //     // 获取 XComponent 尺寸
      //     let width = 0;
      //     let height = 0;
      //     try {
      //       //OCCTRender.initRenderer(this.displayContrId, this.nativeWindow, { width: 800, height: 600 });
      //       console.info('Init Render Good');
      //     }catch(e){
      //       console.info('Init Render Faile');
      //     }
      //   })
      //   .onDestroy(() => {
      //     // 销毁时清理资源
      //     //OCCTRender.destroyRenderer(this.displayContrId);
      //   })
      //   .onTouch((event) => {
      //     // 简单鼠标/触摸拖拽旋转
      //     if (event.type === TouchType.Move) {
      //       const dx = event.tiltX;
      //       const dy = event.tiltY;
      //       //occt.onMouseEvent(this.xcomponentId, dx, dy);
      //     }
      //   })
      //   .width('100%')
      //   .height('100%')
      //   .backgroundColor('#333333');
    }
    .width('100%')
    .height('100%');
  }
}