import {z} from 'zod'

export type OrderBy = 'asc' | 'desc';

export type GetApiPricingLocationsArgs = {sort_column?: (string | null) | undefined, sort_order?: (OrderBy | null) | undefined, api_key?: (string | null) | undefined, search?: (string | null) | undefined, isos?: (string | null) | undefined, zones?: (string | null) | undefined, status?: (string | null) | undefined, location_types?: (string | null) | undefined, has_geo_data?: (boolean | null) | undefined, 'x-api-key'?: (string | null) | undefined};

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

export const facetedSearchResponse = z.object({items: z.array(z.record(z.string(), z.unknown())), total_items: z.number().int(), facets: z.record(z.string(), z.array(z.record(z.string(), z.unknown())))});

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 Pricing Locations
 * 
 * GET /pricing_locations
 */
export const getApiPricingLocations = async (args: GetApiPricingLocationsArgs, options?: GetApiPricingLocationsOptions) => {
const {baseUrl = "https://api.gridstatus.io/v1", fetch: fetchFn = fetch} = options ?? {}

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

if (args.sort_column != null) query.append("sort_column", String(args.sort_column))
if (args.sort_order != null) query.append("sort_order", String(args.sort_order))
if (args.api_key != null) query.append("api_key", String(args.api_key))
if (args.search != null) query.append("search", String(args.search))
if (args.isos != null) query.append("isos", String(args.isos))
if (args.zones != null) query.append("zones", String(args.zones))
if (args.status != null) query.append("status", String(args.status))
if (args.location_types != null) query.append("location_types", String(args.location_types))
if (args.has_geo_data != null) query.append("has_geo_data", String(args.has_geo_data))
if (args['x-api-key'] != null) headers.set("x-api-key", String(args['x-api-key']))

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