import {z} from 'zod'

export type MerchantAcceptorKey = string;

export type MerchantAcceptorKeyResolver = {merchantAcceptorKey: MerchantAcceptorKey};

export type MerchantKey = string;

export type MerchantKeyResolver = {merchantKey: MerchantKey, route?: string | undefined};

export type MerchantAcceptorResolver = MerchantAcceptorKeyResolver | MerchantKeyResolver;

export type ComponentsSchemasCard = {number: string, expiryMonth: number, expiryYear: number};

export type TerminalEntryMode = 'chip' | 'contactless' | 'magstripe' | 'magstripe_fallback' | 'contactless_magstripe';

export type SchemasTerminalCapability = 'contact_chip' | 'contactless_chip' | 'magstripe';

export type SchemasTerminal = {id: string, capabilities: Array<SchemasTerminalCapability>};

export type LocalTransactionDateTime = unknown;

export type TransactionReference = string;

export type Track2Data = string;

export type CardSequenceNumber = string;

export type EmvData = string;

export type SchemasPinBlock = {format: 'ISO-4', block: string, zoneId: string, keyId: string};

export type CreatePinChangeRequest = {merchantAcceptorResolver: MerchantAcceptorResolver, card: ComponentsSchemasCard, terminalEntryMode: TerminalEntryMode, terminal: SchemasTerminal, localTransactionDateTime?: LocalTransactionDateTime | undefined, transactionReference?: TransactionReference | undefined, track2Data?: Track2Data | undefined, cardSequenceNumber?: CardSequenceNumber | undefined, emvData?: EmvData | undefined, pinBlock: SchemasPinBlock, newPinBlock: SchemasPinBlock};

export type CreateApiCardManagementActionsPinChangeArgs = {body: CreatePinChangeRequest};

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

export const actionKey = z.string().min(5).max(120);

export const actionResult = z.enum(["approved", "declined"]);

export const maskedCard = z.object({maskedNumber: z.string()});

export const merchantAcceptorKey = z.string().min(5).max(120);

export const merchantAcceptorRef = z.object({key: merchantAcceptorKey, version: z.number().int()});

export const terminalEntryMode = z.enum(["chip", "contactless", "magstripe", "magstripe_fallback", "contactless_magstripe"]);

export const schemasTerminalCapability = z.enum(["contact_chip", "contactless_chip", "magstripe"]);

export const schemasTerminal = z.object({id: z.string().min(1).max(8), capabilities: z.array(schemasTerminalCapability)});

export const transactionReference = z.string().min(1).max(120);

export const visaNetworkFields = z.object({network: z.literal("visa"), transactionIdentifier: z.string()});

export const mastercardNetworkFields = z.object({network: z.literal("mastercard"), banknetReference: z.string(), traceId: z.string()});

export const networkSpecificFields = z.discriminatedUnion("network", [visaNetworkFields, mastercardNetworkFields]);

export const authorizationIsoFields = z.object({responseCode: z.string(), responseCodeDescription: z.string(), authorizationCode: z.string().optional(), networkCode: z.string(), systemTraceAuditNumber: z.string(), retrievalReferenceNumber: z.string(), networkSpecificFields: networkSpecificFields});

export const newEmvData = z.string().min(1).max(510);

export const localTransactionDateTime = z.string();

export const schemasCreated = z.string();

export const componentsSchemasVersion = z.number().int();

export const createPinChangeResponse = z.object({key: actionKey, type: z.literal("pin_change"), result: actionResult, card: maskedCard, merchantAcceptorRef: merchantAcceptorRef, terminalEntryMode: terminalEntryMode, terminal: schemasTerminal, transactionReference: transactionReference.optional(), authorizationIsoFields: authorizationIsoFields, newEmvData: newEmvData.optional(), localTransactionDateTime: localTransactionDateTime.optional(), created: schemasCreated, version: componentsSchemasVersion});

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
};

/**
 * Change PIN [EXPERIMENTAL]
 * 
 * POST /cardManagement/actions/pinChange
 * 
 * Also accepts auth: BearerToken
 */
export const createApiCardManagementActionsPinChange = async (args: CreateApiCardManagementActionsPinChangeArgs, options?: CreateApiCardManagementActionsPinChangeOptions) => {
const {baseUrl = "https://eu-west-1.api.silverflow.com/v1", fetch: fetchFn = fetch, ApiKey} = options ?? {}

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

if (ApiKey !== undefined) headers.set('authorization', `Basic ${btoa(`${ApiKey.username}:${ApiKey.password}`)}`)

const url = `${baseUrl.replace(/\/+$/, '')}/cardManagement/actions/pinChange${query.size > 0 ? `?${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(createPinChangeResponse, await res.json())
};