import {z} from 'zod'

export type Amount = number;

export type Tags = {[key: string]: unknown} | null;

export type CreateBalanceAdjustment = {amount: Amount, currency: 'USD', description: string, instrument_id: string, processor: 'DUMMY_V1', rail: 'ACH', tags?: Tags | undefined, top_up_config_id?: (string | null) | undefined, type?: 'TOP_UP' | undefined};

export type CreateApiBalanceAdjustmentsArgs = {'Finix-Version'?: string | undefined, 'Content-Type'?: string | undefined, body: CreateBalanceAdjustment};

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

export const id = z.string().min(1);

export const createdAt = z.string();

export const updatedAt = z.string();

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

export const applicationId = z.string().min(1);

export const idempotencyId = z.string().nullable();

export const tags = z.record(z.string(), z.unknown()).nullable();

export const applicationLink = z.object({href: z.string().min(1).optional()});

export const balanceAdjustment = z.object({id: id.optional(), created_at: createdAt.optional(), updated_at: updatedAt.optional(), amount: amount.optional(), application_id: applicationId.optional(), balance_entry_id: z.string().optional(), currency: z.literal("USD").optional(), description: z.string().optional(), failure_code: z.string().nullable().optional(), failure_message: z.string().nullable().optional(), idempotency_id: idempotencyId.optional(), instrument_id: z.string().optional(), processor: z.enum(["DUMMY_V1", "FINIX_V1"]).optional(), rail: z.literal("ACH").optional(), state: z.enum(["FAILED", "RETURNED", "SUBMITTED", "SUCCEEDED"]).optional(), top_up_config_id: z.string().nullable().optional(), trace_id: z.string().optional(), type: z.literal("TOP_UP").optional(), tags: tags.optional(), _links: z.object({application: applicationLink.optional(), self: z.object({href: z.string().optional()}).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 Balance Adjustment
 * 
 * POST /balance_adjustments
 */
export const createApiBalanceAdjustments = async (args: CreateApiBalanceAdjustmentsArgs, options?: CreateApiBalanceAdjustmentsOptions) => {
const {baseUrl = "https://finix.sandbox-payments-api.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['Finix-Version'] != null) headers.set("Finix-Version", String(args['Finix-Version']))
if (args['Content-Type'] != null) headers.set("Content-Type", String(args['Content-Type']))
if (BasicAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${BasicAuth.username}:${BasicAuth.password}`)}`)

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