import {z} from 'zod'

export type CreateOfframpRequestRequest = {network: string, token: string, amount: number, email: string, customer: {country: 'US'}, successReturnUrl?: string | undefined, failReturnUrl?: string | undefined, settings?: ({payByMerchant?: true | undefined, feePayByMerchant?: true | undefined, releaseMethod?: ('automatic' | 'manual') | undefined}) | undefined, clientReferenceId?: (Array<unknown> | boolean | number | Record<string, never> | string | null) | undefined};

export type CreateApiV1OfframpArgs = {body: CreateOfframpRequestRequest};

export type CreateApiV1OfframpOptions = {baseUrl?: string | undefined, basicAuth?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const createOfframpRequestResponse = z.object({id: z.string(), url: z.string(), network: z.enum(["ETHEREUM", "OPTIMISM", "BINANCE", "POLYGON", "ARBITRUM", "AVALANCHE", "SOLANA", "TRON", "BASE", "BITCOIN"]), token: z.string(), amount: z.number(), createdAt: z.number(), updatedAt: z.number().optional(), email: z.string(), payByMerchant: z.boolean(), feePayByMerchant: z.boolean(), clientReferenceId: z.string(), successReturnUrl: z.string().optional(), failReturnUrl: z.string().optional(), status: z.enum(["CREATED", "SUCCEEDED", "CANCELED", "EXPIRED", "PENDING_USER_ONBOARDING", "USER_ACCOUNT_ISSUE", "PENDING_USER_WITHDRAWAL", "REQUIRES_RELEASE", "PENDING_DEPOSIT_CRYPTO_USER", "PENDING_DEPOSIT_CRYPTO_MERCHANT", "IN_PROGRESS", "PENDING_MANUAL_INVESTIGATION", "REFUNDED", "REJECTED"]), livemode: z.boolean(), customerCountry: z.string(), customerRegion: z.string().optional(), releaseMethod: z.enum(["automatic", "manual"]), refundedAt: z.number().optional(), receiverBankAccountId: z.string().optional(), rejectionReason: z.union([z.enum(["UNDERAGE", "UNSUPPORTED_STATE", "USER_NAME_MISMATCH", "RISKY"]), z.enum(["UNSUPPORTED_STATE", "UNDERAGE", "GENERIC_REJECTION"])]).optional()});

export const createApiV1OfframpResponse = z.object({status: z.literal("SUCCEEDED"), data: createOfframpRequestResponse});

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 an offramp request
 * 
 * POST /v1/offramp
 */
export const createApiV1Offramp = async (args: CreateApiV1OfframpArgs, options?: CreateApiV1OfframpOptions) => {
const {baseUrl = "https://api.breeze.cash", 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 (basicAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${basicAuth.username}:${basicAuth.password}`)}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/offramp${query.size > 0 ? `?${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(createApiV1OfframpResponse, await res.json())
};