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 V1ImageDetailLevel = 'IMAGE_DETAIL_LEVEL_UNSPECIFIED' | 'IMAGE_DETAIL_LEVEL_VERY_LOW' | 'IMAGE_DETAIL_LEVEL_LOW' | 'IMAGE_DETAIL_LEVEL_MEDIUM' | 'IMAGE_DETAIL_LEVEL_HIGH' | 'IMAGE_DETAIL_LEVEL_VERY_HIGH';

export type V1LabelEvalOptions = {bypassCache?: boolean | undefined, expedited?: boolean | undefined, bundleSize?: number | undefined, threshold?: number | undefined, stack?: string | undefined, imageDetailLevel?: V1ImageDetailLevel | undefined};

export type V1EvaluateLabelsRequest = {contentData: V1ContentData, threshold?: number | undefined, labelVersionIds?: Array<string> | undefined, labelEvalOptions?: V1LabelEvalOptions | undefined, globalContext?: string | undefined, responseKind?: ('score' | 'choice' | 'ordinal' | 'priority') | undefined, abstain?: boolean | undefined};

export type CreateApiV1LabelsEvaluateArgs = {body: V1EvaluateLabelsRequest};

export type CreateApiV1LabelsEvaluateOptions = {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 v1EvaluateLabelsResponseLabelResultEvaluation = z.object({score: z.number().optional(), outcome: v1Outcome.optional(), threshold: z.number().optional(), report: v1PolicyEvaluationReport.optional()});

export const v1EvaluateLabelsResponseLabelResult = z.object({labelId: z.string().optional(), labelVersionId: z.string().optional(), jobUuid: z.string().optional(), evaluation: v1EvaluateLabelsResponseLabelResultEvaluation.optional(), error: z.string().optional()});

export const v1LabelChoiceResult = z.object({labelId: z.string().optional(), labelVersionId: z.string().optional(), index: z.number().int().optional(), confidence: z.number().optional(), probabilities: z.record(z.string(), z.number()).optional(), abstained: z.boolean()});

export const v1LabelOrdinalResult = z.object({labelId: z.string().optional(), labelVersionId: z.string().optional(), index: z.number().int().optional(), confidence: z.number().optional(), probabilities: z.record(z.string(), z.number()).optional(), score: z.number().optional(), abstained: z.boolean()});

export const v1LabelPriorityResult = z.object({matched: z.boolean(), labelId: z.string().optional(), labelVersionId: z.string().optional(), index: z.number().int().optional(), score: z.number().optional(), threshold: z.number().optional()});

export const v1LabelAggregateError = z.object({code: z.string().optional(), message: z.string().optional(), labelVersionId: z.string().optional()});

export const v1EvaluateLabelsResponse = z.object({contentHash: z.string().optional(), results: z.array(v1EvaluateLabelsResponseLabelResult).optional(), choice: v1LabelChoiceResult.optional(), ordinal: v1LabelOrdinalResult.optional(), priority: v1LabelPriorityResult.optional(), aggregateError: v1LabelAggregateError.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
};

/**
 * Evaluate labels
 * 
 * POST /v1/labels/evaluate
 */
export const createApiV1LabelsEvaluate = async (args: CreateApiV1LabelsEvaluateArgs, options?: CreateApiV1LabelsEvaluateOptions) => {
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/labels/evaluate${query.size > 0 ? `?${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(v1EvaluateLabelsResponse, await res.json())
};