import {z} from 'zod'

export type AuthorizationRequest = {amount?: number | undefined, reference?: string | undefined, metadata?: Record<string, never> | undefined};

export type CreateApiPaymentsIdAuthorizationsArgs = {'Cko-Idempotency-Key'?: string | undefined, id: string, body: AuthorizationRequest};

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

export const actionId = z.string().min(30).max(30);

export const paymentResponseBalances = z.object({total_authorized: z.number().int().optional(), total_voided: z.number().int().optional(), available_to_void: z.number().int().optional(), total_captured: z.number().int().optional(), available_to_capture: z.number().int().optional(), total_refunded: z.number().int().optional(), available_to_refund: z.number().int().optional()});

export const serverTimestamp = z.string();

export const link = z.object({href: z.string()});

export const authorizationResponse = z.object({action_id: actionId, amount: z.number().int(), currency: z.string().min(3).max(3), approved: z.boolean(), status: z.enum(["Authorized", "Declined"]), auth_code: z.string().optional(), response_code: z.string(), response_summary: z.string().optional(), expires_on: z.string().optional(), balances: paymentResponseBalances.optional(), processed_on: serverTimestamp, reference: z.string().optional(), processing: z.object({retrieval_reference_number: z.string().optional(), acquirer_transaction_id: z.string().optional(), recommendation_code: z.string().optional(), surcharge_amount: z.number().int().gte(0).optional(), scheme_transaction_link_id: z.string().optional()}).optional(), eci: z.string().optional(), scheme_id: z.string().optional(), _links: z.object({self: link, actions: link, authorize: link.optional(), void: link.optional(), capture: link.optional(), refund: link.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
};

/**
 * Increment authorization
 * 
 * POST /payments/{id}/authorizations
 * 
 * Also accepts auth: ApiSecretKey
 */
export const createApiPaymentsIdAuthorizations = async (args: CreateApiPaymentsIdAuthorizationsArgs, options: CreateApiPaymentsIdAuthorizationsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, OAuth} = options ?? {}

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

if (args['Cko-Idempotency-Key'] != null) headers.set("Cko-Idempotency-Key", String(args['Cko-Idempotency-Key']))
if (OAuth !== undefined) headers.set('authorization', `Bearer ${OAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/payments/${encodeURIComponent(String(args.id))}/authorizations${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(authorizationResponse, await res.json())
};