import {z} from 'zod'

export type ChainID = 1 | 10 | 56 | 137 | 4663 | 8453 | 42161 | 20000000000001 | 20000000000002 | 30000000000001 | 30000000000002;

export type CurrencyBase = {address?: (string | null) | undefined, chain_id: ChainID};

export type StripeOnrampCurrency = 'usd' | 'eur';

export type OnrampIntentRequest = {order_id?: string | undefined, destination_amount?: string | undefined, destination_currency: CurrencyBase, source_amount?: string | undefined, source_currency?: StripeOnrampCurrency | undefined, wallet_address?: string | undefined};

export type CreateApiOnrampIntentsArgs = {'X-API-KEY': string, body: OnrampIntentRequest};

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

export const onrampIntentStatus = z.enum(["requires_link_auth", "requires_kyc", "requires_identity_verification", "requires_document_verification", "identity_verification_pending", "session_created"]);

export const stripeOnrampCurrency = z.enum(["usd", "eur"]);

export const chainID = z.union([z.literal(1), z.literal(10), z.literal(56), z.literal(137), z.literal(4663), z.literal(8453), z.literal(42161), z.literal(20000000000001), z.literal(20000000000002), z.literal(30000000000001), z.literal(30000000000002)]);

export const currencyBase = z.object({address: z.string().nullable().optional(), chain_id: chainID});

export const onrampIntentResponse = z.object({id: z.string(), order_id: z.string().optional(), session_id: z.string().optional(), status: onrampIntentStatus, source_amount: z.string().optional(), source_currency: stripeOnrampCurrency, stripe_publishable_key: z.string(), destination_amount: z.string().optional(), destination_currency: currencyBase, wallet_address: z.string(), expires_at: 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
};

/**
 * Create Onramp Intent
 * 
 * POST /onramp/intents
 */
export const createApiOnrampIntents = async (args: CreateApiOnrampIntentsArgs, options?: CreateApiOnrampIntentsOptions) => {
const {baseUrl = "https://api.coinvoyage.io/v3", fetch: fetchFn = fetch, APIKeyHeader} = 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 (APIKeyHeader !== undefined) headers.set("X-API-KEY", APIKeyHeader)

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