import type { DecideInput, Decision, DecisionResults } from './types.js'

/** A runtime owns the resources it allocates and releases them before settling. */
export interface DecisionRuntime {
  decide(input: DecideInput): Promise<DecisionResults<readonly Decision[]>>
}

export class InputTooLongError extends Error {
  constructor(
    readonly tokens: number,
    readonly limit: number,
    readonly decisionId = ''
  ) {
    super(`Decision needs ${tokens} tokens, exceeding the limit of ${limit}.`)
  }
}