import {z} from 'zod'

export type TrajectoryOptions = {color?: (Array<unknown> | Array<Array<unknown>>) | undefined, width?: (number | Array<number>) | undefined};

export type TrajectoryData = {name?: string | undefined, parent_prim_path?: string | undefined, poses?: Array<Array<number>> | undefined, options?: TrajectoryOptions | undefined, container_pose?: (Array<number> | null) | undefined};

export type CreateApiTrajectoriesArgs = {body: TrajectoryData};

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

export const trajectoryOptions = z.object({color: z.union([z.array(z.unknown()), z.array(z.array(z.unknown()))]).optional(), width: z.union([z.number(), z.array(z.number())]).optional()});

export const trajectoryObject = z.object({name: z.string(), path: z.string(), poses: z.array(z.array(z.number())), options: trajectoryOptions});

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
};

/**
 * Create Trajectory
 * 
 * POST /trajectories/
 */
export const createApiTrajectories = async (args: CreateApiTrajectoriesArgs, options: CreateApiTrajectoriesOptions) => {
const {baseUrl, 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 = `${baseUrl.replace(/\/+$/, '')}/trajectories/${query.size > 0 ? `?${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(trajectoryObject, await res.json())
};