import { CoreValidator } from 'suretype'
import { Type } from 'typebox'

export type IsTypeboxSchema<TSchema> = TSchema extends {
  static: unknown
  params: unknown
}
  ? true
  : false

export function isTypeboxSchema(schema: any): schema is Type.TSchema {
  return (
    //  typebox v1
    (typeof schema === 'object' && '~kind' in schema) ||
    // @sinclair/typebox v0.3x
    (typeof schema === 'object' && Symbol.for('TypeBox.Kind') in schema)
  )
}

export type IsSuretypeSchema<TSchema> = TSchema extends {
  required: () => object
  nullable?: never
}
  ? true
  : false

export function isSuretypeSchema(schema: any): schema is CoreValidator<any> {
  return typeof schema === 'object' && 'getJsonSchemaObject' in schema
}