import {z} from 'zod'

export type CreatePayoutRequest = {client_reference_id: string, quote_id: string, purpose_code: string, statement_reference?: string | undefined};

export type CreateApiV2PayoutsArgs = {'X-API-Key-ID': string, 'X-API-Timestamp': string, 'X-API-Nonce': string, Digest: string, Authorization: string, body: CreatePayoutRequest};

export type CreateApiV2PayoutsOptions = {baseUrl?: string | undefined, Ed25519?: string | undefined, fetch?: typeof fetch | undefined};

export const feeLine = z.object({type: z.enum(["transfer_fee", "fx_fee", "rail_fee"]), amount: z.string(), currency: z.literal("USD"), rate: z.string()});

export const billingBreakdown = z.object({currency: z.literal("USD"), transfer_fee: z.string(), fx_fee: z.string(), rail_fee: z.string(), total_fee: z.string(), fee_lines: z.array(feeLine)});

export const bankDestinationView = z.object({type: z.literal("bank_account"), account_holder_type: z.enum(["individual", "business"]), account_holder_name: z.string(), bank_country: z.string(), bank_name: z.string(), account_number_masked: z.string(), swift_code: z.string()});

export const failure = z.object({code: z.string(), message: z.string()}).nullable();

export const payoutReturn = z.object({status: z.literal("refunded"), reason_code: z.literal("recipient_bank_rejected"), reason: z.string(), returned_amount: z.string(), refund_amount: z.string(), retained_fee: z.string(), currency: z.literal("USD"), returned_at: z.number().int()}).nullable();

export const payout = z.object({payout_id: z.string(), client_reference_id: z.string(), quote_id: z.string(), provider: z.literal("sgb"), status: z.enum(["processing", "completed", "failed"]), payout_type: z.literal("swift"), source_currency: z.literal("USD"), destination_currency: z.literal("USD"), destination_country: z.string(), amount_mode: z.enum(["send", "receive"]), fee_paid_by: z.enum(["PAYER", "BENEFICIARY"]), sending_amount: z.string(), receiving_amount: z.string(), transfer_fee_amount: z.string(), bank_fee_amount: z.string(), fee_rate_decimal: z.string(), rate: z.string(), billing: billingBreakdown, destination: bankDestinationView, purpose_code: z.string(), statement_reference: z.string().nullable(), bank_reference: z.string().nullable(), failure: failure, return: payoutReturn, is_duplicate: z.boolean(), created_at: z.number().int(), updated_at: z.number().int(), completed_at: z.number().int().nullable()});

export const payoutEnvelope = z.object({code: z.literal(0), message: z.string(), data: payout});

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 fiat payout
 * 
 * POST /v2/payouts
 */
export const createApiV2Payouts = async (args: CreateApiV2PayoutsArgs, options?: CreateApiV2PayoutsOptions) => {
const {baseUrl = "https://openapi.infini.money", fetch: fetchFn = fetch, Ed25519} = 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-ID'] != null) headers.set("X-API-Key-ID", String(args['X-API-Key-ID']))
if (args['X-API-Timestamp'] != null) headers.set("X-API-Timestamp", String(args['X-API-Timestamp']))
if (args['X-API-Nonce'] != null) headers.set("X-API-Nonce", String(args['X-API-Nonce']))
if (args.Digest != null) headers.set("Digest", String(args.Digest))
if (args.Authorization != null) headers.set("Authorization", String(args.Authorization))
if (Ed25519 !== undefined) headers.set("Authorization", Ed25519)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/payouts${query.size > 0 ? `?${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(payoutEnvelope, await res.json())
};