import {z} from 'zod'

export type GetApiRestrictionsArgs = {min_lat: number, min_lon: number, max_lat: number, max_lon: number, transform?: boolean | undefined, source?: ('rrt' | 'pbf') | undefined, restriction_type?: ('turn' | 'parking' | 'fixedspeed' | 'maxspeed' | 'closure' | 'truck') | undefined, status?: ('active' | 'inactive') | undefined, state?: ('enabled' | 'disabled' | 'deleted') | undefined, mode?: (Array<'0w' | '2w' | '3w' | '4w' | '6w'>) | undefined, key: unknown};

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

export const richGroupDtoResponse = z.object({id: z.number().int().optional(), name: z.string().optional(), area: z.string().optional(), bbox: z.object({}).optional(), status: z.enum(["active", "inactive"]).optional(), repeat_on: z.string().optional(), comment: z.string().optional(), create_at: z.string().optional(), update_at: z.string().optional(), start_time: z.number().optional(), end_time: z.number().optional(), mode: z.array(z.string()).optional(), restriction_type: z.enum(["closure", "maxspeed", "fixedspeed", "parking", "turn", "truck"]).optional(), highway: z.string().optional(), speed: z.number().optional(), speed_limit: z.number().optional(), direction: z.enum(["forward", "backward", "both"]).optional(), state: z.enum(["enabled", "disabled", "deleted"]).optional(), geofence: z.object({}).optional()});

export const getApiRestrictionsResponse = z.array(richGroupDtoResponse);

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 restrictions by bbox
 * 
 * GET /restrictions
 */
export const getApiRestrictions = async (args: GetApiRestrictionsArgs, options?: GetApiRestrictionsOptions) => {
const {baseUrl = "https://api.nextbillion.io", fetch: fetchFn = fetch, apiKey} = options ?? {}

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

if (args.min_lat != null) query.append("min_lat", String(args.min_lat))
if (args.min_lon != null) query.append("min_lon", String(args.min_lon))
if (args.max_lat != null) query.append("max_lat", String(args.max_lat))
if (args.max_lon != null) query.append("max_lon", String(args.max_lon))
if (args.transform != null) query.append("transform", String(args.transform))
if (args.source != null) query.append("source", String(args.source))
if (args.restriction_type != null) query.append("restriction_type", String(args.restriction_type))
if (args.status != null) query.append("status", String(args.status))
if (args.state != null) query.append("state", String(args.state))
for (const item of args.mode ?? []) query.append("mode", String(item))
if (args.key != null) query.append("key", String(args.key))
if (apiKey !== undefined) query.set("key", apiKey)

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