import {z} from 'zod'

export type GetApiTransactionsArgs = {page?: number | undefined, limit?: number | undefined, txId?: string | undefined, accountName?: string | undefined, status?: ('SUCCESS' | 'PENDING' | 'FAILED') | undefined, type?: ('WITHDRAWAL' | 'DEPOSIT') | undefined, currency?: ('NGN' | 'KES' | 'ZAR' | 'USDT') | undefined, minAmount?: number | undefined, maxAmount?: number | undefined, startDate?: string | undefined, endDate?: string | undefined};

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

export const transactionResponse = z.object({id: z.string().optional(), ref: z.string().optional(), hash: z.string().optional(), amount: z.number().optional(), fees: z.number().optional(), currency: z.enum(["NGN", "KES", "BTC", "ZAR", "USDT"]).optional(), type: z.enum(["WITHDRAWAL", "DEPOSIT"]).optional(), status: z.enum(["SUCCESS", "PENDING", "FAILED"]).optional(), autopayout: z.boolean().optional(), createdAt: z.string().optional(), updatedAt: z.string().optional(), metadata: z.object({id: z.string().optional(), merchantId: z.string().optional(), merchantName: z.string().optional(), bankName: z.string().optional(), bankAccountNumber: z.string().optional(), reference: z.string().optional(), customerInternalFee: z.number().optional(), order: z.object({id: z.string().optional(), settledQuoteId: z.string().optional(), amount: z.number().optional(), currency: z.enum(["NGN", "KES", "ZAR"]).optional(), paymentMethod: z.literal("LIGHTNING").optional(), status: z.enum(["PAID", "PENDING", "EXPIRED", "FAILED"]).optional(), quote: z.object({id: z.string().optional(), exchangeRate: z.number().optional(), usdToTargetCurrencyRate: z.number().optional(), paymentBtcDetail: z.string().optional(), paymentMethod: z.literal("LIGHTNING").optional(), totalAmount: z.number().optional(), equivalentAmount: z.number().optional(), expiry: z.string().optional(), sourceCurrency: z.literal("BTCSAT").optional(), targetCurrency: z.enum(["NGNKOBO", "KESCENT", "ZARCENT"]).optional(), paymentCurrency: z.enum(["NGNKOBO", "KESCENT", "ZARCENT"]).optional(), customerInternalFee: z.number().optional()}).optional()}).optional()}).optional()});

export const getApiTransactionsResponse = z.object({status: z.string().optional(), message: z.string().optional(), count: z.number().int().optional(), nextPage: z.boolean().optional(), currentPage: z.number().int().optional(), remainingPage: z.number().int().optional(), totalPages: z.number().int().optional(), data: z.array(transactionResponse).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
};

/**
 * Get all transactions
 * 
 * GET /transactions
 * 
 * Also accepts auth: bearerAuth
 */
export const getApiTransactions = async (args: GetApiTransactionsArgs, options?: GetApiTransactionsOptions) => {
const {baseUrl = "https://staging.api.mavapay.co/api/v1", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (args.page != null) query.append("page", String(args.page))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.txId != null) query.append("txId", String(args.txId))
if (args.accountName != null) query.append("accountName", String(args.accountName))
if (args.status != null) query.append("status", String(args.status))
if (args.type != null) query.append("type", String(args.type))
if (args.currency != null) query.append("currency", String(args.currency))
if (args.minAmount != null) query.append("minAmount", String(args.minAmount))
if (args.maxAmount != null) query.append("maxAmount", String(args.maxAmount))
if (args.startDate != null) query.append("startDate", String(args.startDate))
if (args.endDate != null) query.append("endDate", String(args.endDate))
if (ApiKeyAuth !== undefined) headers.set("X-API-KEY", ApiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/transactions${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(getApiTransactionsResponse, await res.json())
};