import {z} from 'zod'

export type CreateQuote = {amount: number, sourceCurrency: 'BTCSAT' | 'NGNKOBO' | 'USDTCENT' | 'KESCENT', targetCurrency: 'NGNKOBO' | 'KESCENT' | 'ZARCENT' | 'GHSPESEWA' | 'BTCSAT' | 'USDTCENT', paymentMethod: 'LIGHTNING' | 'BANKTRANSFER' | 'ONCHAIN' | 'MOBILEMONEY', paymentSource?: {phoneNumber: string} | undefined, paymentCurrency: 'NGNKOBO' | 'BTCSAT' | 'KESCENT' | 'ZARCENT' | 'GHSPESEWA' | 'USDTCENT', sourceWallet?: ('BTC' | 'USDT' | 'NGN') | undefined, settlementCurrency?: 'USDT' | undefined, skipVirtualAccount?: boolean | undefined, customerReference?: unknown | undefined, autopayout?: boolean | undefined, beneficiary?: ({bankAccountNumber: string, bankAccountName: string, bankCode: string, bankName: string} | {identifierType: 'paytophone' | 'paytobill' | 'paytotill', identifiers: {phoneNumber?: string | undefined, network?: ('mpesa' | 'airtel') | undefined, paybillNumber?: string | undefined, accountNumber?: string | undefined, tillNumber?: string | undefined, accountName?: string | undefined}} | {identifierType: 'MTN', identifiers: {phoneNumber?: string | undefined, accountName?: string | undefined}} | {name: string, bankName: string, bankAccountNumber: string} | {lnInvoice?: string | undefined, lnAddress?: string | undefined, onChainAddress?: string | undefined} | {address: string, network: 'trc20' | 'erc20' | 'plasma' | 'solana' | 'polygon'}) | undefined};

export type CreateApiQuoteArgs = {body: CreateQuote};

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

export const quote = z.object({id: z.string().optional(), exchangeRate: z.number().optional(), usdToTargetCurrencyRate: z.number().optional(), sourceCurrency: z.enum(["BTCSAT", "NGNKOBO", "USDTCENT", "KESCENT"]).optional(), targetCurrency: z.enum(["NGNKOBO", "KESCENT", "ZARCENT", "GHSPESEWA", "BTCSAT", "USDTCENT"]).optional(), transactionFeesInSourceCurrency: z.number().optional(), transactionFeesInTargetCurrency: z.string().optional(), amountInSourceCurrency: z.number().optional(), amountInTargetCurrency: z.string().optional(), paymentMethod: z.enum(["LIGHTNING", "BANKTRANSFER", "ONCHAIN", "MOBILEMONEY"]).optional(), invoiceRequired: z.boolean().optional(), onchainAddress: z.string().optional(), network: z.string().optional(), memo: z.string().optional(), expiry: z.string().optional(), isValid: z.boolean().optional(), invoice: z.string().optional(), hash: z.string().optional(), customerReference: z.string().optional(), totalAmountInSourceCurrency: z.number().optional(), customerInternalFee: z.number().optional(), createdAt: z.string().optional(), updatedAt: z.string().optional(), bankName: z.string().optional(), ngnBankAccountNumber: z.string().optional(), ngnAccountName: z.string().optional(), ngnBankCode: z.string().optional(), orderId: z.string().optional(), estimatedRoutingFee: z.number().optional()});

export const createApiQuoteResponse = z.object({status: z.string().optional(), data: quote.optional()});

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 quote
 * 
 * POST /quote
 * 
 * Also accepts auth: bearerAuth
 */
export const createApiQuote = async (args: CreateApiQuoteArgs, options?: CreateApiQuoteOptions) => {
const {baseUrl = "https://staging.api.mavapay.co/api/v1", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (ApiKeyAuth !== undefined) headers.set("X-API-KEY", ApiKeyAuth)

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