import {z} from 'zod'

export type Source = {queue?: string | undefined, schema_id?: string | undefined};

export type EngineDatapoint = {category?: 'datapoint' | undefined, engine_output_id?: string | undefined, label?: string | undefined, trained?: boolean | undefined, type?: ('number' | 'string' | 'date' | 'enum') | undefined, description?: string | undefined, sources?: Array<Source> | undefined};

export type EngineTuple = {category?: 'tuple' | undefined, children?: Array<EngineDatapoint> | undefined};

export type MultivalueWithTuple = {category?: 'multivalue' | undefined, engine_output_id?: string | undefined, label?: string | undefined, trained?: boolean | undefined, type?: ('grid' | 'freeform') | undefined, description?: string | undefined, children?: EngineTuple | undefined};

export type MultivalueWithDatapoint = {category?: 'multivalue' | undefined, children?: EngineDatapoint | undefined};

export type Field = MultivalueWithTuple | MultivalueWithDatapoint | EngineDatapoint;

export type EngineContent = {training_queues?: Array<string> | undefined, fields?: Array<Field> | undefined};

export type ValidateRequest = {content: EngineContent};

export type CreateApiApiV1DedicatedEngineSchemasValidateArgs = {body: ValidateRequest};

export type CreateApiApiV1DedicatedEngineSchemasValidateOptions = {baseUrl?: string | undefined, BearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const createApiApiV1DedicatedEngineSchemasValidateResponse = z.object({});

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
};

/**
 * Validate dedicated engine schema
 * 
 * POST /api/v1/dedicated_engine_schemas/validate
 */
export const createApiApiV1DedicatedEngineSchemasValidate = async (args: CreateApiApiV1DedicatedEngineSchemasValidateArgs, options?: CreateApiApiV1DedicatedEngineSchemasValidateOptions) => {
const {baseUrl = "https://example.rossum.app", fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/dedicated_engine_schemas/validate${query.size > 0 ? `?${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(createApiApiV1DedicatedEngineSchemasValidateResponse, await res.json())
};