import { h } from 'vue'
import { VxeUI } from '@vxe-ui/core'
import VxeImagePreviewComponent from './preview'
import XEUtils from 'xe-utils'

import type { VxeImageDefines, VxeImagePreviewDefines } from '../../../types'

export const openPreviewImage: VxeImageDefines.PreviewImageFunction = (options) => {
  if (VxeUI.modal) {
    const opts = Object.assign({
      escClosable: true
    }, options)
    const { urlList, activeIndex, zIndex } = opts
    const { rotate, change } = opts.events || {}
    const modalId = XEUtils.uniqueId('image-preview')
    VxeUI.modal.open({
      id: modalId,
      title: '预览',
      width: '100%',
      height: '100%',
      showHeader: false,
      showFooter: false,
      padding: false,
      escClosable: opts.escClosable,
      zIndex,
      className: 'vxe-image-preview-popup-wrapper',
      slots: {
        default () {
          return h(VxeImagePreviewComponent, {
            modelValue: activeIndex,
            urlList,
            urlField: opts.urlField,
            marginSize: opts.marginSize,
            maskClosable: opts.maskClosable,
            toolbarConfig: opts.toolbarConfig,
            showPrintButton: opts.showPrintButton,
            showDownloadButton: opts.showDownloadButton,
            beforeDownloadMethod: opts.beforeDownloadMethod,
            downloadMethod: opts.downloadMethod,
            onClose () {
              VxeUI.modal.close(modalId)
            },
            onChange (eventParams: VxeImagePreviewDefines.ChangeEventParams) {
              if (change) {
                change.call(this, eventParams)
              }
            },
            onRotate (eventParams: VxeImagePreviewDefines.RotateEventParams) {
              if (rotate) {
                rotate.call(this, eventParams)
              }
            }
          })
        }
      }
    })
  }
  return Promise.resolve()
}