import {z} from 'zod'

export type GetApiV1KnowledgeBaseEvalsRunsRunIdArgs = {run_id: string};

export type GetApiV1KnowledgeBaseEvalsRunsRunIdOptions = {baseUrl: string, APIKeyHeader?: string | undefined, fetch?: typeof fetch | undefined};

export const kBEvalRunResponse = z.object({id: z.string(), suite_id: z.string().nullable(), suite_name_snapshot: z.string(), organization_id: z.string(), created_by_user_id: z.string().nullable(), status: z.string(), total_cases: z.number().int(), completed_cases: z.number().int(), passed_cases: z.number().int(), failed_cases: z.number().int(), errored_cases: z.number().int(), average_score: z.number().nullable(), error_message: z.string().nullable(), kb_ids: z.array(z.string()), prefer_draft: z.boolean(), version_overrides: z.record(z.string(), z.unknown()).nullable(), generator_model_override: z.string().nullable(), judge_model_override: z.string().nullable(), pass_threshold_snapshot: z.number().int(), retrieval_top_k_snapshot: z.number().int(), total_input_tokens: z.number().int(), total_output_tokens: z.number().int(), total_cost_usd: z.number(), started_at: z.string().nullable(), completed_at: z.string().nullable(), created_at: z.string()});

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * Get an evaluation run
 * 
 * GET /v1/knowledge-base/evals/runs/{run_id}
 */
export const getApiV1KnowledgeBaseEvalsRunsRunId = async (args: GetApiV1KnowledgeBaseEvalsRunsRunIdArgs, options: GetApiV1KnowledgeBaseEvalsRunsRunIdOptions) => {
const {baseUrl, fetch: fetchFn = fetch, APIKeyHeader} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/json")

if (APIKeyHeader !== undefined) headers.set("x-api-key", APIKeyHeader)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/knowledge-base/evals/runs/${encodeURIComponent(String(args.run_id))}${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(kBEvalRunResponse, await res.json())
};