import {z} from 'zod'

export type ResponseFormat = 'json' | 'csv' | 'csv_gzip';

export type GetApiV1DataUsEquityOptRefOccEqSpecSettlArgs = {sort?: (string | null) | undefined, columns?: (string | null) | undefined, offset?: number | undefined, limit?: number | undefined, response_format?: ResponseFormat | undefined};

export type GetApiV1DataUsEquityOptRefOccEqSpecSettlOptions = {baseUrl?: string | undefined, APIKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const oCCEquitiesSpecialSettlementsDataDetailsOut = z.object({ProcessDate: z.string().nullable().optional(), SettlementDate: z.string().nullable().optional(), OptionTicker: z.string().nullable().optional(), UnderTicker: z.string().nullable().optional(), UnderType: z.string().nullable().optional(), StrikeCurrency: z.string().nullable().optional(), TotalDelivComponents: z.number().int().nullable().optional(), DeliveryComponents: z.number().int().nullable().optional(), SettlementMethod: z.string().nullable().optional(), StrikePercent: z.number().int().nullable().optional(), DeliverableUnits: z.number().int().nullable().optional(), CashAmount: z.number().nullable().optional()});

export const paginationDetailsOut = z.object({offset: z.number().int().optional(), limit: z.number().int(), next_offset: z.number().int().nullable().optional()});

export const oCCEquitiesSpecialSettlementsDataOut = z.object({data: z.array(oCCEquitiesSpecialSettlementsDataDetailsOut), pagination: paginationDetailsOut});

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
};

/**
 * OCC Equities Special Settlements
 * 
 * GET /v1/data/us-equity-opt-ref/occ-eq-spec-settl
 */
export const getApiV1DataUsEquityOptRefOccEqSpecSettl = async (args: GetApiV1DataUsEquityOptRefOccEqSpecSettlArgs, options?: GetApiV1DataUsEquityOptRefOccEqSpecSettlOptions) => {
const {baseUrl = "https://api.algoseek.com", fetch: fetchFn = fetch, APIKeyAuth} = options ?? {}

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

if (args.sort != null) query.append("sort", String(args.sort))
if (args.columns != null) query.append("columns", String(args.columns))
if (args.offset != null) query.append("offset", String(args.offset))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.response_format != null) query.append("response_format", String(args.response_format))
if (APIKeyAuth !== undefined) headers.set("X-API-KEY", APIKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/data/us-equity-opt-ref/occ-eq-spec-settl${query.size > 0 ? `?${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(oCCEquitiesSpecialSettlementsDataOut, await res.json())
};