import {z} from 'zod'

export type GetApiInstructionsSellChangePriceArgs = {seller: string, auctionHouseAddress?: string | undefined, tokenMint: string, tokenAccount: string, price: number, newPrice: number, sellerReferral?: string | undefined, expiry: number, priorityFee?: number | undefined};

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

export const iBuffer = z.object({type: z.literal("Buffer"), data: z.array(z.number())});

export const transaction = z.object({tx: iBuffer, txSigned: iBuffer.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 instruction to change a sell price
 * 
 * GET /instructions/sell_change_price
 */
export const getApiInstructionsSellChangePrice = async (args: GetApiInstructionsSellChangePriceArgs, options?: GetApiInstructionsSellChangePriceOptions) => {
const {baseUrl = "https://api-mainnet.magiceden.dev/v2", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args.seller != null) query.append("seller", String(args.seller))
if (args.auctionHouseAddress != null) query.append("auctionHouseAddress", String(args.auctionHouseAddress))
if (args.tokenMint != null) query.append("tokenMint", String(args.tokenMint))
if (args.tokenAccount != null) query.append("tokenAccount", String(args.tokenAccount))
if (args.price != null) query.append("price", String(args.price))
if (args.newPrice != null) query.append("newPrice", String(args.newPrice))
if (args.sellerReferral != null) query.append("sellerReferral", String(args.sellerReferral))
if (args.expiry != null) query.append("expiry", String(args.expiry))
if (args.priorityFee != null) query.append("priorityFee", String(args.priorityFee))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

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