import {z} from 'zod'

export type EntityType = 'CARD' | 'CARD_HIERARCHY_GROUP';

export type RuleSetType = 'STANDARD' | 'STIP';

export type Id = unknown;

export type GetApiV1RulesRuleIdParametersArgs = {'entity-id': string, 'entity-type': EntityType, 'ruleset-type'?: RuleSetType | undefined, 'rule-id': Id, auditUser: string};

export type GetApiV1RulesRuleIdParametersOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const ruleType = z.enum(["DECLINE", "ALLOWED_MCC", "BLOCKED_MCC", "ALLOWED_MERCHANT_ID", "BLOCKED_MERCHANT_ID", "AMOUNT", "ALLOWED_MERCHANT_COUNTRY", "BLOCKED_MERCHANT_COUNTRY", "ALLOWED_CARD_ENTRY_MODES", "BLOCKED_CARD_ENTRY_MODES", "ALLOWED_CVM", "BLOCKED_CVM", "CARDHOLDER_PRESENT", "EXTERNAL_BALANCE_CHECK", "CUMULATIVE_AMOUNT_INDIVIDUAL_LIMITS", "CUMULATIVE_COUNT_INDIVIDUAL_LIMITS", "ENFUCE_INTERNAL_PSD2_PIN_COUNT_RULE", "ENFUCE_INTERNAL_PSD2_PIN_AMOUNT_RULE"]);

export const entityType = z.enum(["CARD", "CARD_HIERARCHY_GROUP"]);

export const externalEntityReference = z.object({id: z.string(), type: entityType});

export const parametersResponseBody = z.object({ruleType: ruleType, entity: externalEntityReference.optional()});

export const getApiV1RulesRuleIdParametersResponse = z.array(parametersResponseBody);

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
};

/**
 * Get Parameters
 * 
 * GET /v1/rules/{rule-id}/parameters
 */
export const getApiV1RulesRuleIdParameters = async (args: GetApiV1RulesRuleIdParametersArgs, options: GetApiV1RulesRuleIdParametersOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args['entity-id'] != null) query.append("entity-id", String(args['entity-id']))
if (args['entity-type'] != null) query.append("entity-type", String(args['entity-type']))
if (args['ruleset-type'] != null) query.append("ruleset-type", String(args['ruleset-type']))
if (args.auditUser != null) query.append("auditUser", String(args.auditUser))

const url = `${baseUrl.replace(/\/+$/, '')}/v1/rules/${encodeURIComponent(String(args['rule-id']))}/parameters${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(getApiV1RulesRuleIdParametersResponse, await res.json())
};