// drawio 预览插件注册
// canHandle 严格匹配 .drawio / .dio 扩展名,不认 .xml(避免误吞配置文件,配置文件走代码编辑器)。

import type { Component } from 'vue'
import { registerPreviewHandler } from '../registry'
import type { FilePreviewHandlerDefinition } from '../types'

// 仅 .drawio / .dio;.drawio.png / .drawio.svg 本就走图片预览,不冲突
const DRAWIO_EXT_REGEX = /\.(drawio|dio)$/i

const drawioHandler: FilePreviewHandlerDefinition = {
  id: 'drawio-preview',
  name: 'Draw.io 查看器',
  icon: '📊',
  priority: 90,
  canHandle: (filename: string): boolean => DRAWIO_EXT_REGEX.test(filename || ''),
  getComponent: (): Promise<Component> =>
    import('../../components/FileSystem/components/DrawioPreview.vue').then(m => m.default),
  supportsEdit: false,
}

registerPreviewHandler(drawioHandler)