import {z} from 'zod'

export type Store = {transaction?: ({payment_method_token: string, sub_merchant_key?: string | undefined, currency_code?: string | undefined, gateway_specific_fields?: Record<string, never> | undefined, billing_address?: ({name?: string | undefined, address1?: string | undefined, address2?: string | undefined, city?: string | undefined, state?: string | undefined, zip?: string | undefined, country?: string | undefined, phone_number?: string | undefined}) | undefined, tlid?: string | undefined, customer_agreement_id?: string | undefined}) | undefined};

export type CreateApiGatewaysGatewayTokenStoreArgs = {gateway_token: string, body: Store};

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

export const gatewaySpecificFields = z.array(z.string());

export const thirdPartyToken = z.object({token: z.string().optional(), created_at: z.string().optional(), updated_at: z.string().optional(), gateway_type: z.string().optional(), storage_state: z.string().optional(), metadata: z.object({}).optional(), third_party_token: z.string().optional(), payment_method_type: z.string().optional()});

export const storeResponse = z.object({transaction: z.object({created_at: z.string().optional(), currency_code: z.string().optional(), updated_at: z.string().optional(), succeeded: z.boolean().optional(), token: z.string().optional(), state: z.string().optional(), gateway_specific_fields: gatewaySpecificFields.optional(), gateway_specific_response_fields: z.object({}).optional(), transaction_type: z.string().optional(), third_party_token: z.string().optional(), gateway_transaction_id: z.string().optional(), gateway_latency_ms: z.string().optional(), message_key: z.string().optional(), message: z.string().optional(), gateway_token: z.string().optional(), gateway_type: z.string().optional(), payment_method: thirdPartyToken.optional(), basis_payment_method: z.object({}).optional(), response: z.object({}).optional(), sub_merchant_key: z.string().optional(), billing_address: z.object({}).optional(), tlid: z.string().optional(), customer_agreement_id: z.string().optional()}).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
};

/**
 * Create a store transaction
 * 
 * POST /gateways/{gateway_token}/store
 */
export const createApiGatewaysGatewayTokenStore = async (args: CreateApiGatewaysGatewayTokenStoreArgs, options?: CreateApiGatewaysGatewayTokenStoreOptions) => {
const {baseUrl = "https://core.spreedly.com/v1", 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 (basicAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${basicAuth.username}:${basicAuth.password}`)}`)

const url = `${baseUrl.replace(/\/+$/, '')}/gateways/${encodeURIComponent(String(args.gateway_token))}/store${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(storeResponse, await res.json())
};