import assert from 'node:assert/strict'
import { readFileSync } from 'node:fs'
import test from 'node:test'
import { computed, reactive } from 'vue'
import { parse } from '@vue/compiler-sfc'
import ts from 'typescript'
import { isMpWebviewPath } from '../src/utils/mp-webview'

const components = [
  { path: 'attachment-preview-dialog', mobileClass: 'attachment-preview-dialog--mobile' },
  { path: 'attachment-upload-field', mobileClass: 'attachment-upload-preview--mobile' }
]

for (const component of components) {
  test(`${component.path}: teleported dialog mobile class follows /m routes, never desktop compact`, () => {
    const file = new URL(`../src/components/business/${component.path}/index.vue`, import.meta.url)
    const { descriptor } = parse(readFileSync(file, 'utf8'))
    const ast = ts.createSourceFile(
      'preview.ts',
      descriptor.scriptSetup!.content,
      ts.ScriptTarget.Latest,
      true
    )
    const names = ['route', 'useTiles', 'isMpPreviewToolbar', 'mpBtnSize']
    const source = ast.statements
      .filter(
        (node) =>
          ts.isVariableStatement(node) &&
          names.includes(node.declarationList.declarations[0].name.getText(ast))
      )
      .map((node) => node.getText(ast))
      .join('\n')
    const dialog = descriptor
      .template!.ast!.children.flatMap((node: any) =>
        node.tag === 'el-dialog' ? [node] : node.children || []
      )
      .find((node: any) => node.tag === 'el-dialog') as any
    assert.ok(dialog, 'real preview el-dialog must exist')
    assert.ok(dialog.props.some((prop: any) => prop.name === 'append-to-body'))
    const classBinding = dialog.props.find(
      (prop: any) => prop.name === 'bind' && prop.arg?.content === 'class'
    )
    assert.ok(classBinding, 'mobile styling must bind to the teleported dialog root')
    const code = ts.transpile(source, { target: ts.ScriptTarget.ESNext })
    for (const compact of [false, true]) {
      const route = reactive({ path: '/crm/customer' })
      const bindings = { computed, isMpWebviewPath, useRoute: () => route, props: { compact } }
      const state = new Function(
        ...Object.keys(bindings),
        `${code}\nreturn { isMpPreviewToolbar, mpBtnSize, useTiles: typeof useTiles === 'undefined' ? undefined : useTiles }`
      )(...Object.values(bindings))
      const readClass = () =>
        new Function('isMpPreviewToolbar', 'useTiles', `return (${classBinding.exp.content})`)(
          state.isMpPreviewToolbar.value,
          state.useTiles?.value
        )
      assert.equal(Boolean(readClass()[component.mobileClass]), false)
      assert.equal(
        state.mpBtnSize.value,
        component.path === 'attachment-upload-field' && compact ? 'small' : 'default'
      )
      route.path = '/m/crm/customer/form'
      assert.equal(readClass()[component.mobileClass], true)
      assert.equal(state.mpBtnSize.value, 'small')
      route.path = '/crm/customer'
      assert.equal(Boolean(readClass()[component.mobileClass]), false)
    }
  })
}