import {z} from 'zod'

export type CreateApiForwardingRequestsArgs = {'Idempotency-Key': string, Authorization: string, body: {payment_method: string, url: string, forwarding_request: {body: Record<string, never>, headers?: {[key: string]: string} | undefined}}};

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

export const createApiForwardingRequestsResponse = z.object({id: z.string().optional(), type: z.string().optional(), data: z.object({id: z.string().optional(), account_id: z.string().nullable().optional(), payment_method_id: z.string().nullable().optional(), url: z.string().optional(), http_method: z.literal("POST").optional(), provider: z.literal("stripe").optional(), status: z.enum(["pending", "processing", "completed", "failed"]).optional(), failure_reason: z.enum(["timeout", "connection_error", "internal_error"]).nullable().optional(), replacements: z.array(z.enum(["card_number", "card_expiry_month", "card_expiry_year", "cardholder_name"])).optional(), request: z.object({body: z.object({}).nullable().optional(), headers: z.record(z.string(), z.string()).optional()}).optional(), response: z.object({id: z.string().optional(), status_code: z.number().int().optional(), body: z.unknown(), headers: z.unknown(), response_time_ms: z.number().int().nullable().optional()}).nullable().optional(), attempted_at: z.string().nullable().optional(), created_at: z.string().optional(), updated_at: z.string().optional()}).optional(), page_info: z.unknown()});

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 Forwarding Request
 * 
 * POST /forwarding/requests
 */
export const createApiForwardingRequests = async (args: CreateApiForwardingRequestsArgs, options?: CreateApiForwardingRequestsOptions) => {
const {baseUrl = "https://api.justifi.ai/v1", fetch: fetchFn = fetch} = options ?? {}

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

if (args['Idempotency-Key'] != null) headers.set("Idempotency-Key", String(args['Idempotency-Key']))
if (args.Authorization != null) headers.set("Authorization", String(args.Authorization))

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