YY_MP_REFACTOR/src/composables/photo/useSaveToAlbum.ts

export function useSaveToAlbum() {
  async function ensureAlbumPermission(): Promise<boolean> {
    const setting = await uni.getSetting()
    if (setting.authSetting['scope.writePhotosAlbum']) return true

    const modal = await uni.showModal({
      title: '友情提示',
      content: '小程序需要获取您的图片保存功能才可使用',
      confirmText: '去设置',
      cancelText: '取消',
    })

    if (!modal.confirm) return false

    const open = await uni.openSetting()
    return !!open.authSetting['scope.writePhotosAlbum']
  }

  async function saveToAlbum(filePath: string): Promise<void> {
    const ok = await ensureAlbumPermission()
    if (!ok) return

    await uni.saveImageToPhotosAlbum({ filePath })
    uni.showToast({ title: '保存成功', icon: 'success' })
  }

  return { saveToAlbum }
}