/** 数字人版本上传表单（任务 133）：版本号/文件校验与 multipart 字段；纯逻辑。 */

export interface DigitalHumanUploadForm {
  version: string
  file: { name?: string; size?: number } | null
  changelog?: string
  minClientVersion?: string
  createdBy?: string
}

export interface DigitalHumanUploadErrors {
  version?: string
  file?: string
}

/** 校验上传表单(版本号必填非空、文件已选且非空、仅支持 zip——对齐 admin.js:6520-6523)。 */
export function validateDigitalHumanUpload(form: DigitalHumanUploadForm): { valid: boolean; errors: DigitalHumanUploadErrors } {
  const errors: DigitalHumanUploadErrors = {}
  if (!(form.version || '').trim()) errors.version = '版本号不能为空'
  const file = form.file
  if (!file) errors.file = '请选择程序压缩包'
  else if (typeof file.size === 'number' && file.size <= 0) errors.file = '压缩包为空或无效'
  else if (file.name && !file.name.toLowerCase().endsWith('.zip')) errors.file = '仅支持 .zip 格式'
  return { valid: Object.keys(errors).length === 0, errors }
}

/** 表单字段(multipart 文本部分；文件在 adapter 端追加)，可选字段为空不下发。 */
export function buildDigitalHumanUploadFields(form: DigitalHumanUploadForm): {
  version: string
  changelog?: string
  minClientVersion?: string
  createdBy?: string
} {
  const fields: { version: string; changelog?: string; minClientVersion?: string; createdBy?: string } = {
    version: (form.version || '').trim(),
  }
  const changelog = (form.changelog || '').trim()
  if (changelog) fields.changelog = changelog
  const minClientVersion = (form.minClientVersion || '').trim()
  if (minClientVersion) fields.minClientVersion = minClientVersion
  const createdBy = (form.createdBy || '').trim()
  if (createdBy) fields.createdBy = createdBy
  return fields
}