/*
 * Copyright (C) 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 { ImageKnifeComponent, ImageKnife, ImageKnifeOption } from '@ohos/libraryimageknife'

@Entry
@Component
struct TestSetCustomImagePage {
  @State imageKnifeOption: ImageKnifeOption = {
    loadSrc: $r('app.media.startIcon'),
    placeholderSrc: $r('app.media.loading')
  }
  aboutToAppear(): void {
    ImageKnife.getInstance().setCustomGetImage(custom)
  }
  aboutToDisappear(): void {
    ImageKnife.getInstance().setCustomGetImage()
  }
  getResourceString(res:Resource){
    return getContext().resourceManager.getStringSync(res.id)
  }
  build() {
    Column() {
      Button(this.getResourceString($r('app.string.Custom_network_download')) + ' a').onClick(()=>{
        this.imageKnifeOption ={
          loadSrc: $r('app.media.mask_starfish'),
          placeholderSrc: $r('app.media.loading')
        }
      })
      Button(this.getResourceString($r('app.string.Custom_network_download')) + ' b').onClick(()=>{
        this.imageKnifeOption = {
          loadSrc: 'https://bbb',
          placeholderSrc: $r('app.media.loading')
        }
      })
      Button(this.getResourceString($r('app.string.Custom_network_download')) + ' c').onClick(()=>{
        this.imageKnifeOption = {
          loadSrc: 'https://ccc',
          placeholderSrc: $r('app.media.loading')
        }
      })
      ImageKnifeComponent({
        imageKnifeOption: this.imageKnifeOption
      }).width(300)
        .height(300)
    }
    .width('100%')
    .height('100%')
  }
}
@Concurrent
async function custom(context: Context, src: string | PixelMap | Resource,headers?: Record<string,Object>): Promise<ArrayBuffer | undefined> {
  console.info('ImageKnife::  custom download：' + src)
  // 举例写死从本地文件读取，也可以自己请求网络图片
  let buffer = context.resourceManager.getMediaContentSync($r('app.media.pngSample').id).buffer as ArrayBuffer
  return buffer
}