import {z} from 'zod'

export type DomainOwner = {address: string};

export type DomainRecords = {[key: string]: string};

export type DomainPurchaseParametersRequest = {owner: DomainOwner, records: DomainRecords, currency: 'MATIC'};

export type CreateApiDomainsDomainNameParametersPurchaseArgs = {domainName: string, body: DomainPurchaseParametersRequest};

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

export const domainPriceItemResponse = z.object({usdCents: z.number()});

export const domainPriceResponse = z.object({listPrice: domainPriceItemResponse, subTotal: domainPriceItemResponse});

export const availability = z.object({status: z.enum(["AVAILABLE", "DISALLOWED"]).optional(), price: domainPriceResponse.optional()});

export const domainPurchaseParametersTxArgs = z.object({owner: z.string().optional(), expiration: z.number().optional(), labels: z.array(z.string()).optional(), keys: z.array(z.string()).optional(), values: z.array(z.string()).optional(), price: z.string().optional(), signature: z.string().optional()});

export const domainPurchaseParametersTxParams = z.object({to: z.string(), data: z.string(), value: z.string()});

export const domainPurchaseParametersTx = z.object({chainId: z.number(), function: z.string(), arguments: domainPurchaseParametersTxArgs, params: domainPurchaseParametersTxParams});

export const domainPurchaseParametersResponse = z.object({domain: z.string().optional(), availability: availability.optional(), tx: domainPurchaseParametersTx.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
};

/**
 * Request on-chain purchase parameters
 * 
 * POST /domains/{domainName}/parameters/purchase
 */
export const createApiDomainsDomainNameParametersPurchase = async (args: CreateApiDomainsDomainNameParametersPurchaseArgs, options?: CreateApiDomainsDomainNameParametersPurchaseOptions) => {
const {baseUrl = "https://api.unstoppabledomains.com/registry/v1", 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 = `${baseUrl.replace(/\/+$/, '')}/domains/${encodeURIComponent(String(args.domainName))}/parameters/purchase${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(domainPurchaseParametersResponse, await res.json())
};