/**
 * OA 表单值可读化（打印 / 摘要兜底）
 * 禁止把对象直接 JSON.stringify 到界面。
 */

export function formatRegionLikeDisplay(value: unknown): string {
  if (value == null || value === '') return ''
  if (typeof value === 'string') return value.trim()
  if (Array.isArray(value)) {
    const parts = value
      .map((x) => {
        if (x == null || x === '') return ''
        if (typeof x === 'object') {
          const o = x as Record<string, unknown>
          return String(o.label || o.name || o.text || o.value || '').trim()
        }
        return String(x).trim()
      })
      .filter(Boolean)
    return parts.join(' / ')
  }
  if (typeof value === 'object') {
    const o = value as Record<string, unknown>
    const path = [
      String(o.province || o.provinceName || o.province_name || '').trim(),
      String(o.city || o.cityName || o.city_name || '').trim(),
      String(
        o.district || o.districtName || o.area || o.areaName || o.district_name || ''
      ).trim()
    ].filter(Boolean)
    if (path.length) return path.join(' / ')
    return formatUnknownObjectDisplay(o)
  }
  return String(value).trim()
}

export function formatUnknownObjectDisplay(raw: Record<string, unknown>): string {
  const named = String(raw.label || raw.name || raw.text || raw.value || '').trim()
  if (named) return named

  if (raw.accountType || raw.accountNo || raw.accountName) {
    const parts = [
      String(raw.accountType || '').trim(),
      String(raw.accountName || '').trim(),
      String(raw.accountNo || '').trim()
    ].filter(Boolean)
    return parts.join(' · ')
  }

  if (raw.fromCity || raw.toCity || raw.transport) {
    const fromCity = String(raw.fromCity || '').trim() || '-'
    const toCity = String(raw.toCity || '').trim() || '-'
    const transport = String(raw.transport || '').trim()
    const tripType = String(raw.tripType || '').trim()
    const bits = [
      transport,
      tripType,
      `${fromCity} → ${toCity}`
    ].filter(Boolean)
    return bits.join(' · ')
  }

  const skip = new Set(['id', 'uuid', 'key', 'durationManual', 'manual'])
  const parts: string[] = []
  for (const [k, v] of Object.entries(raw)) {
    if (skip.has(k) || k.startsWith('__') || /id$/i.test(k)) continue
    if (typeof v === 'boolean' || v == null || v === '') continue
    if (typeof v === 'string' || typeof v === 'number') {
      parts.push(String(v).trim())
    }
  }
  return parts.filter(Boolean).join('、')
}

/** 标量/数组/对象统一可读化；对象绝不 JSON.stringify */
export function formatFormValueDisplay(value: unknown, sep = '、'): string {
  if (value == null || value === '') return '-'
  if (typeof value === 'boolean') return value ? '是' : '否'
  if (typeof value === 'number') return String(value)
  if (typeof value === 'string') return value.trim() || '-'
  if (Array.isArray(value)) {
    if (!value.length) return '-'
    const parts = value
      .map((v) => formatFormValueDisplay(v, sep))
      .filter((s) => s && s !== '-')
    return parts.length ? parts.join(sep) : '-'
  }
  if (typeof value === 'object') {
    const text = formatUnknownObjectDisplay(value as Record<string, unknown>)
    return text || '-'
  }
  return String(value)
}