import assert from 'node:assert/strict'
import { readFileSync } from 'node:fs'
import test from 'node:test'
import { parse } from '@vue/compiler-sfc'
import ts from 'typescript'

const source = readFileSync(new URL('../src/utils/crm-attachment.ts', import.meta.url), 'utf8')
const ast = ts.createSourceFile('attachments.ts', source, ts.ScriptTarget.Latest, true)
const names = [
  'parseCrmAttachmentField',
  'crmAttachmentDisplayName',
  'buildUploadFileListFromField',
  'serializeContractAttachments',
  'mapContractAttachmentsPayload',
  'getCrmAttachmentCategoryLabel',
  'CRM_ATTACHMENT_CATEGORY_LABELS'
]
const selected = ast.statements.filter((node) =>
  ts.isFunctionDeclaration(node)
    ? names.includes(node.name?.text || '')
    : ts.isVariableStatement(node) &&
      names.includes(node.declarationList.declarations[0].name.getText(ast))
)
const exports: any = {}
new Function(
  'exports',
  ts.transpile(selected.map((node) => node.getText(ast)).join('\n'), {
    module: ts.ModuleKind.CommonJS
  })
)(exports)

test('an empty attachment list is an explicit empty array so save can clear stored files', () => {
  assert.equal(exports.serializeContractAttachments([]), '[]')
  assert.deepEqual(exports.mapContractAttachmentsPayload([]), [])
})

test('scan attachments display their Chinese category and retain the code when edited and saved', () => {
  const payload = [{ ossId: '/contract/scan.png', category: 'scan' }]
  const files = exports.buildUploadFileListFromField(JSON.stringify(payload))
  assert.equal(files[0].category, 'scan')
  assert.equal(exports.getCrmAttachmentCategoryLabel(files[0].category), '扫描件')
  assert.deepEqual(JSON.parse(exports.serializeContractAttachments(files)), payload)
  assert.deepEqual(exports.mapContractAttachmentsPayload(files), payload)
  for (const [category, label] of [
    ['single_seal', '单章附件'],
    ['double_seal', '双章附件'],
    ['other', '其他附件']
  ]) {
    assert.equal(exports.getCrmAttachmentCategoryLabel(category), label)
  }
})

test('both mobile and desktop attachment selects resolve the scan code to Chinese', () => {
  const template = parse(
    readFileSync(
      new URL('../src/views/crm/contract/components/ContractAttachmentPanel.vue', import.meta.url),
      'utf8'
    )
  ).descriptor.template!
  const selects: any[] = []
  function walk(node: any) {
    if (node.tag === 'el-select') selects.push(node)
    node.children?.forEach(walk)
  }
  walk(template.ast)
  assert.equal(selects.length, 2)
  for (const select of selects) {
    const option = select.children.find(
      (node: any) =>
        node.tag === 'el-option' &&
        node.props.some((p: any) => p.name === 'value' && p.value?.content === 'scan')
    )
    assert.ok(option, 'existing scan attachments must have a matching select option')
    assert.equal(option.props.find((p: any) => p.name === 'label').value.content, '扫描件')
  }
})