import {z} from 'zod'

export type GetApiSanctionsSourceArgs = {source: 'ofac' | 'uk' | 'eu' | 'au'};

export type GetApiSanctionsSourceOptions = {baseUrl?: string | undefined, authorizationHeader?: string | undefined, fetch?: typeof fetch | undefined};

export const responseSanctionItemList = z.object({name: z.string(), published_at: z.string().optional()});

export const responseSanctionItem = z.object({source: z.string(), program: z.string(), notes: z.string(), lists: z.array(responseSanctionItemList)});

export const responseSanctionedEntitiy = z.object({symbol: z.string(), name: z.string(), mic_code: z.string(), country: z.string(), sanction: responseSanctionItem});

export const getApiSanctionsSourceResponse = z.object({sanctions: z.array(responseSanctionedEntitiy), count: z.number().int(), status: z.string()});

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
};

/**
 * Sanctioned entities
 * 
 * GET /sanctions/{source}
 * 
 * Also accepts auth: queryParameter
 */
export const getApiSanctionsSource = async (args: GetApiSanctionsSourceArgs, options?: GetApiSanctionsSourceOptions) => {
const {baseUrl = "https://api.twelvedata.com", fetch: fetchFn = fetch, authorizationHeader} = options ?? {}

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

if (authorizationHeader !== undefined) headers.set("Authorization", authorizationHeader)

const url = `${baseUrl.replace(/\/+$/, '')}/sanctions/${encodeURIComponent(String(args.source))}${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(getApiSanctionsSourceResponse, await res.json())
};