import {z} from 'zod'

export type GetApiApiV1CnbPolicyRateHistoryArgs = {from: string, to: string};

export type GetApiApiV1CnbPolicyRateHistoryOptions = {baseUrl?: string | undefined, APIKeyHeader?: string | undefined, fetch?: typeof fetch | undefined};

export const cnbOmoRow = z.object({operation_type: z.string().nullable().optional(), operation_type_en: z.string().nullable().optional(), liquidity_impact: z.string().nullable().optional(), liquidity_impact_en: z.string().nullable().optional(), trade_date: z.string().nullable().optional(), settlement_date: z.string().nullable().optional(), maturity_date: z.string().nullable().optional(), marginal_rate_percent: z.number().nullable().optional(), total_bid_volume_czk_bln: z.number().nullable().optional(), total_alloted_volume_czk_bln: z.number().nullable().optional(), total_number_of_bids: z.number().int().nullable().optional(), total_number_of_alloted_bids: z.number().int().nullable().optional(), allotment_percentage: z.number().nullable().optional(), minimum_bid_rate_percent: z.number().nullable().optional(), average_bid_rate_percent: z.number().nullable().optional(), maximum_bid_rate_percent: z.number().nullable().optional(), minimum_alloted_rate_percent: z.number().nullable().optional(), average_alloted_rate_percent: z.number().nullable().optional(), maximum_alloted_rate_percent: z.number().nullable().optional()});

export const cnbPolicyRateHistoryPayload = z.object({date_from: z.string(), date_to: z.string(), count: z.number().int(), repo: z.array(cnbOmoRow), deposit_facility: z.array(cnbOmoRow), lombard_facility: z.array(cnbOmoRow), other: z.array(cnbOmoRow)});

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 envelopeCnbPolicyRateHistoryPayload = z.object({data: cnbPolicyRateHistoryPayload, 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
};

/**
 * CNB policy rate history (2W Repo, deposit, Lombard auctions)
 * 
 * GET /api/v1/cnb/policy-rate/history
 */
export const getApiApiV1CnbPolicyRateHistory = async (args: GetApiApiV1CnbPolicyRateHistoryArgs, options?: GetApiApiV1CnbPolicyRateHistoryOptions) => {
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.from != null) query.append("from", String(args.from))
if (args.to != null) query.append("to", String(args.to))
if (APIKeyHeader !== undefined) headers.set("x-api-key", APIKeyHeader)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/cnb/policy-rate/history${query.size > 0 ? `?${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(envelopeCnbPolicyRateHistoryPayload, await res.json())
};