import {z} from 'zod'

export type GetApiSitesArgs = {clusterId?: string | undefined, unclustered?: boolean | undefined, externalId?: string | undefined, tags?: string | undefined, priority?: string | undefined, siteType?: string | undefined, geometryType?: ('Point' | 'LineString' | 'Polygon' | 'MultiLineString' | 'MultiPolygon') | undefined, q?: string | undefined, bounds?: string | undefined, limit?: number | undefined, cursor?: string | undefined};

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

export const siteType = z.enum(["distribution_pole", "transmission_pole", "substation", "utility_substation", "transmission_line", "distribution_line", "pipeline", "railway", "road", "other"]);

export const cameraOrientation = z.object({center: z.array(z.number()), zoom: z.number(), bearing: z.number(), pitch: z.number()});

export const pointGeometry = z.object({type: z.literal("Point"), coordinates: z.array(z.number())});

export const lineStringGeometry = z.object({type: z.literal("LineString"), coordinates: z.array(z.array(z.number()))});

export const polygonGeometry = z.object({type: z.literal("Polygon"), coordinates: z.array(z.array(z.array(z.number())))});

export const siteGeometry = z.discriminatedUnion("type", [pointGeometry, lineStringGeometry, polygonGeometry]);

export const siteProperties = z.object({geometryType: z.literal("line"), width: z.number()});

export const assetPriority = z.enum(["high", "medium", "low", "none"]);

export const site = z.object({type: z.literal("Feature"), id: z.string(), organizationId: z.string(), externalId: z.string().optional(), name: z.string(), siteType: siteType, description: z.string().optional(), tags: z.array(z.string()).optional(), clusterId: z.string().optional(), cameraOrientation: cameraOrientation.optional(), geometry: siteGeometry, properties: siteProperties.optional(), priority: assetPriority.optional(), deletedAt: z.number().nullable(), createdAt: z.number(), updatedAt: z.number()});

export const paginationMeta = z.object({cursor: z.string().nullable(), total: z.number().int().optional()});

export const getApiSitesResponse = z.object({data: z.array(site), meta: paginationMeta});

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
};

/**
 * List sites
 * 
 * GET /sites
 * 
 * Also accepts auth: ApiKeyAuth
 */
export const getApiSites = async (args: GetApiSitesArgs, options: GetApiSitesOptions) => {
const {baseUrl, fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

if (args.clusterId != null) query.append("clusterId", String(args.clusterId))
if (args.unclustered != null) query.append("unclustered", String(args.unclustered))
if (args.externalId != null) query.append("externalId", String(args.externalId))
if (args.tags != null) query.append("tags", String(args.tags))
if (args.priority != null) query.append("priority", String(args.priority))
if (args.siteType != null) query.append("siteType", String(args.siteType))
if (args.geometryType != null) query.append("geometryType", String(args.geometryType))
if (args.q != null) query.append("q", String(args.q))
if (args.bounds != null) query.append("bounds", String(args.bounds))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.cursor != null) query.append("cursor", String(args.cursor))
if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

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