import {z} from 'zod'

export type GetMapRequest = {mapId: string};

export type CreateApiV1MapGetArgs = {body: GetMapRequest};

export type CreateApiV1MapGetOptions = {baseUrl?: string | undefined, BearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const pose = z.object({xMeters: z.number().optional(), yMeters: z.number().optional(), headingRadians: z.number().optional()});

export const destination = z.object({destinationId: z.string().optional(), displayName: z.string().optional(), pose: pose.optional()});

export const annotation = z.object({annotationId: z.string().optional(), displayName: z.string().optional(), createdTime: z.string().optional(), destinations: z.record(z.string(), destination).optional()});

export const mapImageFileInfo = z.object({checksum: z.number().int().optional(), size: z.string().optional(), md5Checksum: z.string().optional()});

export const signedURL = z.object({url: z.string().optional(), expiresAt: z.string().optional()});

export const mapImageDownloadInfo = z.object({fileInfo: mapImageFileInfo.optional(), downloadUrl: signedURL.optional()});

export const origin = z.object({xM: z.number().optional(), yM: z.number().optional(), yawRadians: z.number().optional()});

export const map = z.object({mapId: z.string().optional(), createdTime: z.string().optional(), modifiedTime: z.string().optional(), displayName: z.string().optional(), annotation: annotation.optional(), imageDownloadInfo: mapImageDownloadInfo.optional(), origin: origin.optional(), resolution: z.number().optional()});

export const getMapResponse = z.object({map: map.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
};

/**
 * Retrieve a saved map by map_id from the cloud.
 * 
 * POST /v1/map/get
 */
export const createApiV1MapGet = async (args: CreateApiV1MapGetArgs, options?: CreateApiV1MapGetOptions) => {
const {baseUrl = "https://api.bearrobotics.ai", fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/map/get${query.size > 0 ? `?${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(getMapResponse, await res.json())
};