export function toUpper(key: string) {
  return key.replaceAll(/_./g, (v) => v[1].toUpperCase())
}

export function toLower(key: string) {
  return key.replaceAll(/[A-ZА-ЯЁ]/g, (v) => `_${v.toLowerCase()}`)
}

export function toUpperAllKeys(value: unknown): unknown {
  if (value && typeof value === 'object') {
    if (Array.isArray(value)) {
      const typedValue = value as unknown[]
      const result: unknown[] = []
      typedValue.forEach((v) => {
        result.push(toUpperAllKeys(v))
      })
      return result
    }
    const typedValue = value as { [key: string]: unknown }
    const result: { [key: string]: unknown } = {}
    Object.entries(typedValue).forEach(([k, v]) => {
      result[toUpper(k)] = toUpperAllKeys(v)
    })
    return result
  }
  return value
}

export function toLowerAllKeys(value: unknown): unknown {
  if (value && typeof value === 'object') {
    if (Array.isArray(value)) {
      const typedValue = value as unknown[]
      const result: unknown[] = []
      typedValue.forEach((v) => {
        result.push(toLowerAllKeys(v))
      })
      return result
    }
    const typedValue = value as { [key: string]: unknown }
    const result: { [key: string]: unknown } = {}
    Object.entries(typedValue).forEach(([k, v]) => {
      result[toLower(k)] = toLowerAllKeys(v)
    })
    return result
  }
  return value
}