import {z} from 'zod'

export type EnrichmentsEscapeType = 'json' | 'none';

export type EnrichmentsBulkProperties = {batch_size?: number | undefined, results_path?: Array<string> | undefined};

export type ColumnsColumn = {FieldType?: string | undefined, Id?: string | undefined, Name?: string | undefined, Origin?: string | undefined};

export type HttpHeader = {[key: string]: Array<string>};

export type EnrichmentsOutputMapping = {name?: string | undefined, path?: Array<unknown> | undefined};

export type EnrichmentsResponseType = 'json' | 'raw' | 'unknown';

export type EnrichmentsRetryProperties = {maximum_attempts?: number | undefined, minimum_wait?: number | undefined, status_codes?: Array<number> | undefined};

export type ClientstateSortModel = {colId?: string | undefined, pivotFieldGroupId?: string | undefined, sort?: string | undefined};

export type EnrichmentsRequest = {LaxValidation?: boolean | undefined, body_escape_format?: EnrichmentsEscapeType | undefined, body_template?: string | undefined, bulk?: EnrichmentsBulkProperties | undefined, columns?: Array<ColumnsColumn> | undefined, email_on_completion?: Array<string> | undefined, filter_model?: {[key: string]: unknown} | undefined, headers?: HttpHeader | undefined, maximum_requests_per_second?: number | undefined, method?: string | undefined, output_path_map?: Array<EnrichmentsOutputMapping> | undefined, recipe_id?: string | undefined, response_type?: EnrichmentsResponseType | undefined, retry_properties?: EnrichmentsRetryProperties | undefined, sort_model?: Array<ClientstateSortModel> | undefined, url_template?: string | undefined};

export type CreateApiEnrichUserDefinedHttpHandlePreviewArgs = {handle: string, body: EnrichmentsRequest};

export type CreateApiEnrichUserDefinedHttpHandlePreviewOptions = {baseUrl: string, ApiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const httpResponseValue = z.object({path: z.array(z.unknown()).optional(), value: z.unknown()});

export const enrichmentsResponseType = z.enum(["json", "raw", "unknown"]);

export const httpHttpEnrichmentPreviewResponse = z.object({execution_ms: z.number().int().optional(), response_data: z.array(z.array(httpResponseValue)).optional(), response_failures: z.array(z.array(httpResponseValue)).optional(), response_type: enrichmentsResponseType.optional(), success: z.boolean().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
};

/**
 * Preview of a generic HTTP enrichment
 * 
 * POST /enrich/user-defined-http/{handle}/preview
 */
export const createApiEnrichUserDefinedHttpHandlePreview = async (args: CreateApiEnrichUserDefinedHttpHandlePreviewArgs, options: CreateApiEnrichUserDefinedHttpHandlePreviewOptions) => {
const {baseUrl, fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (ApiKeyAuth !== undefined) headers.set("X-GIGASHEET-TOKEN", ApiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/enrich/user-defined-http/${encodeURIComponent(String(args.handle))}/preview${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(httpHttpEnrichmentPreviewResponse, await res.json())
};