import {z} from 'zod'

export type GetApiV2EntityIngestionConfigsIngestionConfigIdExternalSchemaArgs = {ingestion_config_id: string};

export type GetApiV2EntityIngestionConfigsIngestionConfigIdExternalSchemaOptions = {baseUrl?: string | undefined, BearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const googleProtobufValue = z.union([z.number(), z.string(), z.boolean(), z.array(z.unknown()), z.record(z.string(), z.unknown())]).nullable();

export const googleProtobufStruct = z.record(z.string(), googleProtobufValue);

export const googleProtobufTimestamp = z.string();

export const svstoreInferredFieldMapping = z.object({externalFieldPath: z.string().optional(), internalFieldId: z.string().optional()});

export const svstoreEntityMappingInference = z.object({inferredEntityTypeId: z.string().nullable().optional(), fieldMappings: z.array(svstoreInferredFieldMapping).optional(), reasoning: z.string().optional()});

export const svstoreExternalEntitySchema = z.object({id: z.string().optional(), ingestionConfigId: z.string().optional(), jsonSchema: googleProtobufStruct.optional(), sampleSize: z.number().int().optional(), totalAssetsSampled: z.number().int().optional(), extractedAt: googleProtobufTimestamp.optional(), inference: svstoreEntityMappingInference.optional(), entityCount: z.number().int().optional(), sourceAppInstanceId: z.string().optional(), svflowUserIngestionConfigId: z.string().nullable().optional()});

export const svstorePublicapiGetExternalEntitySchemaResponse = z.object({data: svstoreExternalEntitySchema.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
};

/**
 * Get External Entity Schema
 * 
 * GET /v2/entity-ingestion-configs/{ingestion_config_id}/external-schema
 */
export const getApiV2EntityIngestionConfigsIngestionConfigIdExternalSchema = async (args: GetApiV2EntityIngestionConfigsIngestionConfigIdExternalSchemaArgs, options?: GetApiV2EntityIngestionConfigsIngestionConfigIdExternalSchemaOptions) => {
const {baseUrl = "https://public.api.serval.com", fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/v2/entity-ingestion-configs/${encodeURIComponent(String(args.ingestion_config_id))}/external-schema${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(svstorePublicapiGetExternalEntitySchemaResponse, await res.json())
};