import {z} from 'zod'

export type BuildTransactionRequest = {wallet: string, swapResponse: {id?: string | undefined, success?: boolean | undefined, version?: string | undefined, data?: Record<string, never> | undefined}, txVersion: 'V0' | 'LEGACY', computeUnitPriceMicroLamports: string, wrapSol?: boolean | undefined, unwrapSol?: boolean | undefined, inputAccount?: string | undefined, outputAccount?: string | undefined, jitoInfo?: ({address?: string | undefined, amount?: string | undefined}) | undefined, referrerWallet?: string | undefined};

export type CreateApiTransactionSwapBaseInArgs = {body: BuildTransactionRequest};

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

export const transactionResponse = z.object({id: z.string().optional(), success: z.boolean().optional(), version: z.string().optional(), data: z.object({transaction: z.string().optional(), addressLookupTableAddresses: z.array(z.string()).optional()}).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
};

/**
 * Build swap transaction (base input)
 * 
 * POST /transaction/swap-base-in
 */
export const createApiTransactionSwapBaseIn = async (args: CreateApiTransactionSwapBaseInArgs, options?: CreateApiTransactionSwapBaseInOptions) => {
const {baseUrl = "https://api.raydium.io", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/transaction/swap-base-in${query.size > 0 ? `?${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(transactionResponse, await res.json())
};