import {z} from 'zod'

export type RunId = string;

export type PointId = string;

export type GetApiRunsRunIdPointsPointIdArgs = {runId: RunId, pointId: PointId};

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

export const pointId = z.string();

export const pointName = z.string();

export const pointType = z.enum(["INPUT", "OUTPUT", "BIDIRECTIONAL"]);

export const pointDataType = z.enum(["float", "int", "bool"]);

export const pointData = z.object({id: pointId, name: pointName.optional(), description: z.string().optional(), unit: z.string().optional(), min: z.number().optional(), max: z.number().optional(), type: pointType, dataType: pointDataType.optional(), value: z.number().optional()});

export const responseMessage = z.string();

export const getApiRunsRunIdPointsPointIdResponse = z.object({payload: pointData, message: responseMessage.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 metadata and value for single point
 * 
 * GET /runs/{runId}/points/{pointId}
 */
export const getApiRunsRunIdPointsPointId = async (args: GetApiRunsRunIdPointsPointIdArgs, options?: GetApiRunsRunIdPointsPointIdOptions) => {
const {baseUrl = "https://api.server.test/v1", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/runs/${encodeURIComponent(String(args.runId))}/points/${encodeURIComponent(String(args.pointId))}${query.size > 0 ? `?${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(getApiRunsRunIdPointsPointIdResponse, await res.json())
};