import {z} from 'zod'

export type GetApiV1NameArgs = {name: string};

export type GetApiV1NameOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const v1PortState = z.enum(["STATE_UNSPECIFIED", "STATE_PENDING", "STATE_READY", "STATE_FAILED", "STATE_DELETING"]);

export const v1Port = z.object({name: z.string().optional(), displayName: z.string().optional(), public: z.boolean().optional(), internalUrl: z.string().optional(), publicUrl: z.string().optional(), createTime: z.string().optional(), creator: z.string().optional(), creatorDisplayName: z.string().optional(), updateTime: z.string().nullable().optional(), updater: z.string().optional(), updaterDisplayName: z.string().optional(), state: v1PortState.optional(), failureReason: z.string().optional()});

export const v1GetPortResponse = z.object({port: v1Port.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
};

/**
 * Returns a specific Port.
 * 
 * GET /v1/{name}
 */
export const getApiV1Name = async (args: GetApiV1NameArgs, options: GetApiV1NameOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/v1/${encodeURIComponent(String(args.name))}${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(v1GetPortResponse, await res.json())
};