import {z} from 'zod'

export type SolarSystemID = number;

export type RouteConnection = {from: SolarSystemID, to: SolarSystemID};

export type RouteRequestBody = {avoid_systems?: Array<SolarSystemID> | undefined, connections?: Array<RouteConnection> | undefined, preference?: ('Shorter' | 'Safer' | 'LessSecure') | undefined, security_penalty?: number | undefined};

export type CreateApiRouteOriginSystemIdDestinationSystemIdArgs = {origin_system_id: SolarSystemID, destination_system_id: SolarSystemID, 'Accept-Language'?: ('en' | 'de' | 'fr' | 'ja' | 'ru' | 'zh' | 'ko' | 'es') | undefined, 'If-None-Match'?: string | undefined, 'X-Compatibility-Date': '2025-12-16', 'X-Tenant'?: string | undefined, 'If-Modified-Since'?: string | undefined, body: RouteRequestBody};

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

export const solarSystemID = z.number().int();

export const route = z.object({route: z.array(solarSystemID)});

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 route between two systems
 * 
 * POST /route/{origin_system_id}/{destination_system_id}
 */
export const createApiRouteOriginSystemIdDestinationSystemId = async (args: CreateApiRouteOriginSystemIdDestinationSystemIdArgs, options?: CreateApiRouteOriginSystemIdDestinationSystemIdOptions) => {
const {baseUrl = "https://esi.evetech.net", fetch: fetchFn = fetch} = options ?? {}

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

if (args['Accept-Language'] != null) headers.set("Accept-Language", String(args['Accept-Language']))
if (args['If-None-Match'] != null) headers.set("If-None-Match", String(args['If-None-Match']))
if (args['X-Compatibility-Date'] != null) headers.set("X-Compatibility-Date", String(args['X-Compatibility-Date']))
if (args['X-Tenant'] != null) headers.set("X-Tenant", String(args['X-Tenant']))
if (args['If-Modified-Since'] != null) headers.set("If-Modified-Since", String(args['If-Modified-Since']))

const url = `${baseUrl.replace(/\/+$/, '')}/route/${encodeURIComponent(String(args.origin_system_id))}/${encodeURIComponent(String(args.destination_system_id))}${query.size > 0 ? `?${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(route, await res.json())
};