import {z} from 'zod'

export type GetApiBetaAnalyticsRecordsArgs = {pageLimit?: number | undefined, pageKey?: string | undefined};

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

export const filterMetadata = z.object({filterAttribute: z.string(), description: z.string().optional()});

export const fieldMetadata = z.object({field: z.string(), description: z.string(), nullable: z.boolean()});

export const metricRecordMetadata = z.object({id: z.string(), description: z.string(), filters: z.array(filterMetadata).optional(), relatedMetricIds: z.array(z.string()).optional(), fieldsMetadata: z.array(fieldMetadata).optional()});

export const paginationLinks = z.object({previous: z.string().optional(), next: z.string().optional()});

export const getMetricRecordsOutput = z.object({data: z.array(metricRecordMetadata).optional(), meta: paginationLinks.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
};

/**
 * Metric Records Catalogue
 * 
 * GET /beta/analytics/records
 */
export const getApiBetaAnalyticsRecords = async (args: GetApiBetaAnalyticsRecordsArgs, options?: GetApiBetaAnalyticsRecordsOptions) => {
const {baseUrl = "https://dev.dixa.io", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (args.pageLimit != null) query.append("pageLimit", String(args.pageLimit))
if (args.pageKey != null) query.append("pageKey", String(args.pageKey))
if (ApiKeyAuth !== undefined) headers.set("Authorization", ApiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/beta/analytics/records${query.size > 0 ? `?${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(getMetricRecordsOutput, await res.json())
};