export function warningLabel(type: string): string {
  if (type === 'sell_alert') return '卖出预警'
  if (type === 'slow_exit_watch') return '慢流出观察'
  return type || '提醒'
}

export function warningTone(level: string): 'red' | 'orange' | 'gold' {
  if (level === 'high') return 'red'
  if (level === 'medium') return 'orange'
  return 'gold'
}

export function priceTone(value: string | null | undefined): 'rise' | 'fall' | 'flat' {
  const parsed = numberFromText(value)
  if (parsed === null) return 'flat'
  if (parsed < 0) return 'fall'
  if (parsed > 0) return 'rise'
  return 'flat'
}

export function numberFromText(value: string | number | null | undefined): number | null {
  if (value === null || value === undefined || value === '') return null
  if (typeof value === 'number') return value

  const trimmed = value.replace(/,/g, '').trim()
  if (!trimmed) return null

  let multiplier = 1
  if (trimmed.includes('亿')) multiplier = 100000000
  else if (trimmed.includes('万')) multiplier = 10000

  const normalized = trimmed.replace('%', '').replace('亿', '').replace('万', '')
  const parsed = Number(normalized)
  return Number.isNaN(parsed) ? null : parsed * multiplier
}

export function compactMoney(value: string | number | null | undefined): string {
  const parsed = numberFromText(value)
  if (parsed === null) return '-'
  if (Math.abs(parsed) >= 100000000) return `${(parsed / 100000000).toFixed(2)}亿`
  if (Math.abs(parsed) >= 10000) return `${(parsed / 10000).toFixed(0)}万`
  return `${parsed.toFixed(0)}`
}

function trimDecimalText(value: string): string {
  return value.replace(/\.0+$/, '').replace(/(\.\d*[1-9])0+$/, '$1')
}

export function formatDate(value: string | null | undefined): string {
  return value || '-'
}

export function formatWanAmount(value: string | number | null | undefined): string {
  const parsed = numberFromText(value)
  if (parsed === null) return '-'

  if (Math.abs(parsed) >= 10000) {
    const decimals = Math.abs(parsed) >= 100000 ? 1 : 2
    return `${trimDecimalText((parsed / 10000).toFixed(decimals))}亿`
  }

  if (Math.abs(parsed) >= 1) {
    const fixed = Math.abs(parsed) >= 1000 ? 0 : 1
    return `${parsed.toFixed(fixed)}万`
  }

  return `${parsed.toFixed(2)}万`
}

export function formatSignedWanAmount(value: string | number | null | undefined): string {
  const parsed = numberFromText(value)
  if (parsed === null) return '-'
  const prefix = parsed > 0 ? '+' : ''
  return `${prefix}${formatWanAmount(parsed)}`
}