import {z} from 'zod'

export type CreateApiV3RoleChangeMandatoryFieldsArgs = {MID: string, body: {targetRole: 'recipient' | 'sender', userId: string, currencyType?: ('crypto' | 'fiat') | undefined}};

export type CreateApiV3RoleChangeMandatoryFieldsOptions = {baseUrl?: string | undefined, basicAuth?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const createApiV3RoleChangeMandatoryFieldsResponse = z.object({status: z.string(), data: z.object({additionalMandatoryFieldNames: z.array(z.string()).optional(), additionalMandatoryFields: z.record(z.string(), z.object({type: z.string().optional(), isMandatory: z.boolean().optional(), minLength: z.number().int().optional(), maxLength: z.number().int().optional(), pattern: z.string().optional(), enum: z.array(z.string()).optional(), validationMessage: z.string().optional(), properties: z.record(z.string(), z.unknown()).optional()})).optional(), rules: z.array(z.object({type: z.enum(["either_required", "mutually_required"]).optional(), fields: z.array(z.string()).optional(), validationMessage: z.string().optional()})).optional()}).and(z.record(z.string(), z.unknown())), traceId: z.string().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
};

/**
 * Get Role Change Mandatory fields
 * 
 * POST /v3/role-change/mandatory-fields
 */
export const createApiV3RoleChangeMandatoryFields = async (args: CreateApiV3RoleChangeMandatoryFieldsArgs, options?: CreateApiV3RoleChangeMandatoryFieldsOptions) => {
const {baseUrl = "https://sandbox-api.transfi.com", fetch: fetchFn = fetch, basicAuth} = options ?? {}

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

if (args.MID != null) headers.set("MID", String(args.MID))
if (basicAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${basicAuth.username}:${basicAuth.password}`)}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v3/role-change/mandatory-fields${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(createApiV3RoleChangeMandatoryFieldsResponse, await res.json())
};