import {z} from 'zod'

export type GetApiApiV1CentralBanksCbrConsumerSentimentArgs = {indicator: string, start_period?: (string | null) | undefined, end_period?: (string | null) | undefined};

export type GetApiApiV1CentralBanksCbrConsumerSentimentOptions = {baseUrl?: string | undefined, APIKeyHeader?: string | undefined, fetch?: typeof fetch | undefined};

export const cbrUnits = z.object({percent: z.string().nullable().optional(), index_points: z.string().nullable().optional()}).and(z.record(z.string(), z.unknown()));

export const cbrDatum = z.object({period: z.string().nullable().optional(), value: z.union([z.number().int(), z.number()]).nullable().optional()}).and(z.record(z.string(), z.unknown()));

export const cbrSeries = z.object({indicator: z.string().nullable().optional(), group: z.string().nullable().optional(), label: z.string().nullable().optional(), label_ru: z.string().nullable().optional(), unit: z.string().nullable().optional(), first_period: z.string().nullable().optional(), last_period: z.string().nullable().optional(), count: z.union([z.number().int(), z.number()]).nullable().optional(), data: z.array(cbrDatum).nullable().optional()}).and(z.record(z.string(), z.unknown()));

export const cbrRelease = z.object({month: z.string().nullable().optional(), page_url: z.string().nullable().optional(), workbook_url: z.string().nullable().optional()}).and(z.record(z.string(), z.unknown()));

export const cbrData = z.object({area: z.string().nullable().optional(), area_name: z.string().nullable().optional(), frequency: z.string().nullable().optional(), units: cbrUnits.nullable().optional(), latest_period: z.string().nullable().optional(), count: z.union([z.number().int(), z.number()]).nullable().optional(), series: z.array(cbrSeries).nullable().optional(), source: z.string().nullable().optional(), publication: z.string().nullable().optional(), source_url: z.string().nullable().optional(), release: cbrRelease.nullable().optional(), attribution: z.string().nullable().optional(), note: z.string().nullable().optional()}).and(z.record(z.string(), z.unknown()));

export const sugraMeta = z.object({endpoint: z.string(), data_time: z.string(), response_time: z.string(), provider: z.string(), data_age_days: z.number().nullable().optional(), source: z.string().nullable().optional(), attribution: z.string().nullable().optional(), source_url: z.string().nullable().optional(), citation: z.string().nullable().optional(), fallback_used: z.boolean().nullable().optional(), fallback_chain: z.array(z.string()).nullable().optional(), cached: z.boolean().nullable().optional(), stale: z.boolean().nullable().optional(), stale_since: z.string().nullable().optional(), period: z.string().nullable().optional(), notes: z.string().nullable().optional()});

export const envelopeCbrData = z.object({data: cbrData, meta: sugraMeta});

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
};

/**
 * Bank of Russia consumer sentiment and inflation expectations for Russia
 * 
 * GET /api/v1/central-banks/cbr/consumer-sentiment
 */
export const getApiApiV1CentralBanksCbrConsumerSentiment = async (args: GetApiApiV1CentralBanksCbrConsumerSentimentArgs, options?: GetApiApiV1CentralBanksCbrConsumerSentimentOptions) => {
const {baseUrl = "https://sugra.ai", fetch: fetchFn = fetch, APIKeyHeader} = options ?? {}

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

if (args.indicator != null) query.append("indicator", String(args.indicator))
if (args.start_period != null) query.append("start_period", String(args.start_period))
if (args.end_period != null) query.append("end_period", String(args.end_period))
if (APIKeyHeader !== undefined) headers.set("x-api-key", APIKeyHeader)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/central-banks/cbr/consumer-sentiment${query.size > 0 ? `?${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(envelopeCbrData, await res.json())
};