import { image } from "@kit.ImageKit";
import { http } from "@kit.NetworkKit";
import { HXLog } from "biz_common";
import { BusinessError } from "@kit.BasicServicesKit";

/**
 *  author : liuqingliang@myhexin.com
 *  time   : created on 2026/6/1
 *  desc   : 网络图片加载
 */
const TAG = 'ImageLoader'

export class ImageLoader {
  static load(imgUrl: string, onLoadFailed: (errMsg: string) => void, onResourceReady: (img: image.PixelMap) => void) {
    try {
      const httpRequest = http.createHttp()
      httpRequest.request(imgUrl).then(async (response) => {
        if (response.responseCode === 200) {
          const arrayBuffer = response.result as ArrayBuffer
          const imageSource = image.createImageSource(arrayBuffer)
          try {
            let img = imageSource.createPixelMapSync()
            onResourceReady(img)
          } finally {
            await imageSource.release()
          }
        } else {
          onLoadFailed(`ImageLoader load request failed. responseCode:${response.responseCode}`)
        }
      }).catch((err: Error) => {
        onLoadFailed(err.message)
        HXLog.e(TAG, JSON.stringify(err))
      }).finally(() => {
        httpRequest.destroy()
      })
    } catch (e) {
      const err = e as BusinessError
      HXLog.e(TAG, `ImageLoader load failed. msg:${err.message}`)
      onLoadFailed(err.message)
    }
  }

  static async loadSync(imgUrl: string): Promise<image.PixelMap | null> {
    let img: image.PixelMap | null = null
    let imageSource: image.ImageSource | null = null
    try {
      const httpRequest = http.createHttp()
      try {
        const response: http.HttpResponse = await httpRequest.request(imgUrl)
        if (response.responseCode === 200) {
          const arrayBuffer = response.result as ArrayBuffer
          imageSource = image.createImageSource(arrayBuffer)
          img = imageSource.createPixelMapSync()
        }
      } catch (e) {
        const err = e as BusinessError
        HXLog.e(TAG, `ImageLoader load failed. msg:${err.message}`)
      } finally {
        httpRequest.destroy()
      }
    } catch (e) {
      const err = e as BusinessError
      HXLog.e(TAG, `ImageLoader load failed. msg:${err.message}`)
    } finally {
      if (imageSource) {
        imageSource.release()
      }
    }
    return img
  }
}