import { isNormalDisableStatus } from './normal-disable-status.js'

export const assertPlainPayload = (payload, allowedFields, label) => {
  if (!payload || typeof payload !== 'object' || Array.isArray(payload) || Object.getPrototypeOf(payload) !== Object.prototype) {
    throw new TypeError(`${label}必须是普通对象`)
  }
  if (Object.keys(payload).some((field) => !allowedFields.has(field))) {
    throw new TypeError(`${label}包含未声明字段`)
  }
}

export const normalizeOptionalText = (value, label) => {
  if (value === undefined || value === null) return undefined
  if (typeof value !== 'string') {
    throw new TypeError(`${label}必须是字符串`)
  }
  const normalized = value.trim()
  return normalized || undefined
}

export const normalizeOptionalNormalDisableStatus = (value, label = 'status') => {
  const status = normalizeOptionalText(value, label)
  if (status === undefined) return undefined
  if (!isNormalDisableStatus(status)) throw new TypeError(`${label}必须为 0 或 1`)
  return status
}

export const normalizeOssIdString = (value, field) => {
  if (typeof value !== 'string' || !/^[1-9]\d*$/.test(value)) {
    throw new TypeError(`${field} 必须是正整数 OSS ID 字符串`)
  }
  return value
}

export const normalizeOptionalSafeInteger = (value, field) => {
  if (value === undefined || value === null || value === '') return undefined
  const numericValue = typeof value === 'number' ? value : Number(value)
  if (!Number.isSafeInteger(numericValue)) throw new TypeError(`${field} 必须是安全整数`)
  return numericValue
}

export const normalizeResourcePathId = (value, label) => {
  if (typeof value === 'string' && /^[1-9]\d*$/.test(value)) return value
  if (typeof value === 'number' && Number.isSafeInteger(value) && value > 0) return String(value)
  throw new TypeError(`${label}必须是有效的正整数标识`)
}

export const normalizeOptionalOssIdList = (value) => {
  if (value === undefined || value === null || value === '') return undefined
  if (typeof value !== 'string') throw new TypeError('mediaOssIds 必须是字符串')
  const normalized = value.trim()
  if (!/^[1-9]\d*(,[1-9]\d*)*$/.test(normalized)) {
    throw new TypeError('mediaOssIds 必须是以英文逗号分隔的正整数文件标识')
  }
  return normalized
}