import {z} from 'zod'

export type SwappedFiatOrderRequest = {provider: 'swapped', account: string, kind: 'fiat', email?: string | undefined, baseCountry?: string | undefined, baseCurrencyCode?: string | undefined, baseCurrencyAmount?: number | undefined, locale?: string | undefined, method?: string | undefined, methodSelectionSource?: ('personalized' | 'fallback' | 'configured') | undefined};

export type SwappedExchangeOrderRequest = {provider: 'swapped', account: string, kind: 'exchange', baseCountry?: string | undefined, baseCurrencyCode?: string | undefined, locale?: string | undefined, connection?: string | undefined, connections?: Array<string> | undefined, merchantName?: string | undefined, merchantLogoUrl?: string | undefined};

export type CreateOnrampOrderRequest = SwappedFiatOrderRequest | SwappedExchangeOrderRequest;

export type CreateApiOnrampOrdersArgs = {'x-api-key'?: string | undefined, 'x-user-country'?: string | undefined, 'x-client-ip'?: string | undefined, body: CreateOnrampOrderRequest};

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

export const hostedNextAction = z.object({type: z.literal("hosted"), url: z.string(), presentation: z.literal("iframe")});

export const onrampOrderStarted = z.object({orderId: z.string(), nextAction: hostedNextAction, expiresAt: z.string()});

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
};

/**
 * Start an onramp order
 * 
 * POST /onramp/orders
 * 
 * Also accepts auth: internalProjectBearer
 */
export const createApiOnrampOrders = async (args: CreateApiOnrampOrdersArgs, options?: CreateApiOnrampOrdersOptions) => {
const {baseUrl = "https://v1.orchestrator.rhinestone.dev/deposit-processor", fetch: fetchFn = fetch, tenantApiKey} = options ?? {}

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

if (args['x-api-key'] != null) headers.set("x-api-key", String(args['x-api-key']))
if (args['x-user-country'] != null) headers.set("x-user-country", String(args['x-user-country']))
if (args['x-client-ip'] != null) headers.set("x-client-ip", String(args['x-client-ip']))
if (tenantApiKey !== undefined) headers.set("x-api-key", tenantApiKey)

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