import {z} from 'zod'

export type GetApiApiV0VesselArgs = {uuid?: string | undefined, mmsi?: string | undefined, imo?: string | undefined};

export type GetApiApiV0VesselOptions = {baseUrl?: string | undefined, ApiKeyHeader?: string | undefined, fetch?: typeof fetch | undefined};

export const vesselLive = z.object({uuid: z.string().optional(), name: z.string().optional(), mmsi: z.string().optional(), imo: z.string().optional(), eni: z.string().nullable().optional(), country_iso: z.string().optional(), country_name: z.string().optional(), type: z.string().optional(), type_specific: z.string().optional(), lat: z.number().optional(), lon: z.number().optional(), speed: z.number().optional(), course: z.number().optional(), heading: z.number().optional(), navigational_status: z.string().optional(), destination: z.string().nullable().optional(), last_position_epoch: z.number().int().optional(), last_position_UTC: z.string().optional(), area: z.string().nullable().optional()});

export const meta = z.object({duration: z.number().optional(), endpoint: z.string().optional(), success: z.boolean().optional(), next: z.string().optional()});

export const getApiApiV0VesselResponse = z.object({data: vesselLive.optional(), meta: meta.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
};

/**
 * Real-time vessel position (basic)
 * 
 * GET /api/v0/vessel
 * 
 * Also accepts auth: ApiKeyQuery
 */
export const getApiApiV0Vessel = async (args: GetApiApiV0VesselArgs, options?: GetApiApiV0VesselOptions) => {
const {baseUrl = "https://api.datalastic.com", fetch: fetchFn = fetch, ApiKeyHeader} = options ?? {}

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

if (args.uuid != null) query.append("uuid", String(args.uuid))
if (args.mmsi != null) query.append("mmsi", String(args.mmsi))
if (args.imo != null) query.append("imo", String(args.imo))
if (ApiKeyHeader !== undefined) headers.set("x-api-key", ApiKeyHeader)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v0/vessel${query.size > 0 ? `?${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(getApiApiV0VesselResponse, await res.json())
};