import {z} from 'zod'

export type GetApiV1DisputesEligibilityArgs = {customerUuid?: string | undefined, accountUuid?: string | undefined, transactionIds?: Array<string> | undefined, transactionDates?: Array<string> | undefined};

export type GetApiV1DisputesEligibilityOptions = {baseUrl: string, apiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const dtoEligibilityErrorCode = z.enum(["ELIGIBILITY_ERROR_CODE_UNKNOWN", "RAIL_MISMATCH", "TRANSACTION_INELIGIBLE", "MEMBER_INELIGIBLE", "TRANSACTION_NOT_FOUND", "TRANSACTION_NOT_SETTLED", "TRANSACTION_ALREADY_DISPUTED", "TRANSACTION_OUTSIDE_ELIGIBILITY_WINDOW", "CARD_MISMATCH", "TRANSACTION_NOT_DISPUTABLE"]);

export const dtoEligibilityError = z.object({code: dtoEligibilityErrorCode.optional(), message: z.string().optional(), transactionIds: z.array(z.string()).optional()});

export const v1CheckDisputeEligibilityResponse = z.object({eligible: z.boolean().optional(), errors: z.array(dtoEligibilityError).optional()});

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
};

/**
 * Eligibility Check
 * 
 * GET /v1/disputes/eligibility
 */
export const getApiV1DisputesEligibility = async (args: GetApiV1DisputesEligibilityArgs, options: GetApiV1DisputesEligibilityOptions) => {
const {baseUrl, fetch: fetchFn = fetch, apiKey} = options ?? {}

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

if (args.customerUuid != null) query.append("customerUuid", String(args.customerUuid))
if (args.accountUuid != null) query.append("accountUuid", String(args.accountUuid))
for (const item of args.transactionIds ?? []) query.append("transactionIds", String(item))
for (const item of args.transactionDates ?? []) query.append("transactionDates", String(item))
if (apiKey !== undefined) headers.set("Authorization", apiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/disputes/eligibility${query.size > 0 ? `?${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(v1CheckDisputeEligibilityResponse, await res.json())
};