import {z} from 'zod'

export type DomainExpandField = 'registration' | 'flags';

export type GetApiDomainsArgs = {$expand?: Array<DomainExpandField> | undefined, ending?: Array<string> | undefined, query: Array<string>};

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

export const domainOwnerResponse = z.object({type: z.enum(["NONE", "UD", "UNKNOWN"]), contactId: z.string().optional()});

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

export const domainPriceAdjustmentResponse = z.object({usdCents: z.number(), type: z.enum([])});

export const domainPriceResponse = z.object({type: z.enum(["STANDARD", "PREMIUM", "DEFERRED"]), listPrice: priceItemResponse, adjustments: z.array(domainPriceAdjustmentResponse).optional(), subTotal: priceItemResponse, validUntilTimestamp: z.number().optional()});

export const domainOfferPriceResponse = z.object({min: domainPriceResponse});

export const domainAvailabilityAdditionalPricingResponse = z.object({extendedRegistration: domainPriceResponse.optional(), transfer: domainPriceResponse.optional()});

export const icannDomainRenewalInfoPeriodResponse = z.object({min: z.number(), max: z.number(), increments: z.number()});

export const domainAvailabilityRegistrationConstraintsResponse = z.object({period: icannDomainRenewalInfoPeriodResponse});

export const domainAvailabilityConstraintsResponse = z.object({registration: domainAvailabilityRegistrationConstraintsResponse.optional()});

export const singleDomainAvailabilityResponse = z.object({source: z.enum(["UD", "SEDO", "AFTERNIC"]), status: z.enum(["AVAILABLE", "AVAILABLE_BACKORDER", "REGISTERED", "PROTECTED", "COMING_SOON", "DISALLOWED", "RESERVED", "AVAILABLE_FROM_ISSUER", "AVAILABLE_FROM_SELLER", "EXCEEDS_PRICE_LIMIT", "REGISTRATION_PENDING", "UNKNOWN_MAINTENANCE"]), issuer: domainOwnerResponse.optional(), price: domainPriceResponse.optional(), offer: domainOfferPriceResponse.optional(), additionalPricing: domainAvailabilityAdditionalPricingResponse.optional(), constraints: domainAvailabilityConstraintsResponse.optional(), availableAfterTimestamp: z.number().optional()});

export const domainRegistrationStatus = z.enum(["REGISTERED", "REGISTERED_EXTERNAL", "PENDING", "EXPIRED_GRACE_PERIOD", "EXPIRED_REDEMPTION_PERIOD", "EXPIRED_PENDING_DELETE", "INACTIVE"]);

export const domainPostRegistrationPricingResponse = z.object({renewal: domainPriceResponse.optional()});

export const domainRegistrationIcannRegistrarResponse = z.object({type: z.enum(["SELF", "EXTERNAL", "NONE"])});

export const domainRegistrationIcannResponse = z.object({registrar: domainRegistrationIcannRegistrarResponse, ownershipVerification: z.enum(["COMPLETED", "REVERIFICATION_REQUIRED"]).optional()});

export const domainRegistrationResponse = z.object({status: domainRegistrationStatus.optional(), tokenId: z.string().optional(), tokenType: z.enum(["ERC721", "ERC1155", "ENSRecord", "TOKEN2022"]).optional(), pricing: domainPostRegistrationPricingResponse.optional(), registryCreatedDate: z.string().optional(), expirationDate: z.string().optional(), expirationGracePeriodDate: z.string().optional(), deletionAtTimestamp: z.number().optional(), icann: domainRegistrationIcannResponse.optional()});

export const domainFlagStatus = z.enum(["ENABLED", "DISABLED"]);

export const domainFlagConfigurationReadonlyResponse = z.object({state: z.boolean(), reasons: z.array(z.object({}))});

export const domainFlagConfigurationResponse = z.object({"@type": z.literal("unstoppabledomains.com/partner.v3.DomainFlag"), status: domainFlagStatus, readonly: domainFlagConfigurationReadonlyResponse.optional()});

export const domainFlagsSubResponse = z.object({DNS_RESOLUTION: domainFlagConfigurationResponse, DNS_TRANSFER_OUT: domainFlagConfigurationResponse, DNS_DELETE: domainFlagConfigurationResponse, DNS_UPDATE: domainFlagConfigurationResponse, DNS_RENEW: domainFlagConfigurationResponse, DNS_WHOIS_PROXY: domainFlagConfigurationResponse, DNS_UNS_TOKENIZATION: domainFlagConfigurationResponse});

export const domainSearchResponse = z.object({"@type": z.literal("unstoppabledomains.com/partner.v3.Domain"), name: z.string(), owner: domainOwnerResponse, availability: singleDomainAvailabilityResponse, registration: domainRegistrationResponse.nullable().optional(), flags: domainFlagsSubResponse.optional()});

export const multipleDomainSearchResponse = z.object({"@type": z.literal("unstoppabledomains.com/partner.v3.List"), items: z.array(domainSearchResponse)});

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
};

/**
 * Lookup multiple domains
 * 
 * GET /domains
 */
export const getApiDomains = async (args: GetApiDomainsArgs, options?: GetApiDomainsOptions) => {
const {baseUrl = "https://api.unstoppabledomains.com/partner/v3", fetch: fetchFn = fetch, bearer} = options ?? {}

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

for (const item of args.$expand ?? []) query.append("$expand", String(item))
for (const item of args.ending ?? []) query.append("ending", String(item))
for (const item of args.query ?? []) query.append("query", String(item))
if (bearer !== undefined) headers.set('authorization', `Bearer ${bearer}`)

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