import {z} from 'zod'

export type RuneSymbol = string;

export type PostRunesPSBTSweepingRequestSchema = {orderIds: Array<string>, runeSymbol: RuneSymbol, takerPaymentAddress: unknown, takerPublicKey: unknown, takerReceiveAddress: unknown, feeRateTier?: ('minimumFee' | 'halfHourFee' | 'hourFee' | 'fastestFee') | undefined, feeRateNum?: number | undefined, enableRBFProtection?: boolean | undefined};

export type CreateApiV2OrdBtcRunesPsbtGetSweepingArgs = {body: PostRunesPSBTSweepingRequestSchema};

export type CreateApiV2OrdBtcRunesPsbtGetSweepingOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const settlementSchema = z.object({amount: z.string(), price: z.number()});

export const fullRBFProtectedSweepingResultSchema = z.object({settlement: settlementSchema, validOrderIds: z.array(z.string()), unsignedFundsPreparationPsbtBase64: z.string().nullable().optional(), psbtIndexesToSign: z.array(z.number()), error: z.object({message: z.string().optional()}).nullable().optional()});

export const postRunesPSBTSweepingResultSchema = z.object({invalidOrders: z.array(z.string()), validOrders: z.array(z.string()).optional(), psbtBase64: z.string().optional(), paymentUtxoIndexes: z.number(), settlement: settlementSchema.optional(), fullRBFProtectedSweepingResult: fullRBFProtectedSweepingResultSchema.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 an unsigned PSBT for buying a rune
 * 
 * POST /v2/ord/btc/runes/psbt/get-sweeping
 */
export const createApiV2OrdBtcRunesPsbtGetSweeping = async (args: CreateApiV2OrdBtcRunesPsbtGetSweepingArgs, options?: CreateApiV2OrdBtcRunesPsbtGetSweepingOptions) => {
const {baseUrl = "https://api-mainnet.magiceden.dev/v2", 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 = `${baseUrl.replace(/\/+$/, '')}/v2/ord/btc/runes/psbt/get-sweeping${query.size > 0 ? `?${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(postRunesPSBTSweepingResultSchema, await res.json())
};