import {z} from 'zod'

export type V1ContentData = {contentHash?: string | undefined, text?: string | undefined, image?: unknown | undefined, imageUrl?: string | undefined, metadata?: {[key: string]: string} | undefined};

export type V1EvaluateRequestOptions = {options?: {[key: string]: string} | undefined};

export type Clavatagatewayv1EvaluateRequest = {contentData: Array<V1ContentData>, policyId: string, threshold?: number | undefined, expedited?: boolean | undefined, options?: V1EvaluateRequestOptions | undefined};

export type CreateApiV1JobsStreamArgs = {body: Clavatagatewayv1EvaluateRequest};

export type CreateApiV1JobsStreamOptions = {baseUrl?: string | undefined, BearerToken?: string | undefined, fetch?: typeof fetch | undefined};

export const v1Outcome = z.enum(["OUTCOME_UNSPECIFIED", "OUTCOME_FALSE", "OUTCOME_TRUE", "OUTCOME_FAILED"]);

export const policyEvaluationReportAssertionEvaluationReport = z.object({result: v1Outcome.optional(), message: z.string().optional(), score: z.number().optional()});

export const policyEvaluationReportReviewResult = z.object({outcome: v1Outcome.optional(), score: z.number().optional()});

export const policyEvaluationReportExceptionEvaluationReport = z.object({result: v1Outcome.optional(), assertionEvaluationReports: z.array(policyEvaluationReportAssertionEvaluationReport).optional(), reviewResult: policyEvaluationReportReviewResult.optional()});

export const policyEvaluationReportSectionEvaluationReport = z.object({name: z.string().optional(), result: v1Outcome.optional(), message: z.string().optional(), assertionEvaluationReports: z.array(policyEvaluationReportAssertionEvaluationReport).optional(), exceptionEvaluationReport: policyEvaluationReportExceptionEvaluationReport.optional(), reviewResult: policyEvaluationReportReviewResult.optional()});

export const policyEvaluationReportTokenUsage = z.object({inputTokens: z.number().int().optional(), billedTokens: z.number().int().optional(), multiplier: z.number().optional()});

export const v1PolicyEvaluationReport = z.object({policyId: z.string().optional(), policyKey: z.string().optional(), policyVersionId: z.string().optional(), result: v1Outcome.optional(), sectionEvaluationReports: z.array(policyEvaluationReportSectionEvaluationReport).optional(), exceptionEvaluationReport: policyEvaluationReportExceptionEvaluationReport.optional(), contentHash: z.string().optional(), contentMetadata: z.record(z.string(), z.string()).optional(), reviewResult: policyEvaluationReportReviewResult.optional(), threshold: z.number().optional(), labelMatches: z.record(z.string(), z.number()).optional(), tokenUsage: policyEvaluationReportTokenUsage.optional(), labelId: z.string().optional(), labelVersionId: z.string().optional()});

export const clavatagatewayv1EvaluateResponse = z.object({jobUuid: z.string().optional(), contentHash: z.string().optional(), policyEvaluationReport: v1PolicyEvaluationReport.optional()});

export const protobufAny = z.object({"@type": z.string().optional()}).and(z.record(z.string(), z.unknown()));

export const rpcStatus = z.object({code: z.number().int().optional(), message: z.string().optional(), details: z.array(protobufAny).optional()});

export const createApiV1JobsStreamResponse = z.object({result: clavatagatewayv1EvaluateResponse.optional(), error: rpcStatus.optional()});

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
};

/**
 * Stream job results in real-time
 * 
 * POST /v1/jobs/stream
 */
export const createApiV1JobsStream = async (args: CreateApiV1JobsStreamArgs, options?: CreateApiV1JobsStreamOptions) => {
const {baseUrl = "https://gateway.app.clavata.ai:8443", fetch: fetchFn = fetch, BearerToken} = options ?? {}

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

if (BearerToken !== undefined) headers.set('authorization', `Bearer ${BearerToken}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/jobs/stream${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

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

return validateResponse(createApiV1JobsStreamResponse, await res.json())
};