import {z} from 'zod'

export type GetApiV1GoogleMapsSearchArgs = {q: string, ll?: (string | null) | undefined, gl?: string | undefined, hl?: string | undefined, start?: number | undefined};

export type GetApiV1GoogleMapsSearchOptions = {baseUrl?: string | undefined, apiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const gpsCoordinates = z.object({lat: z.number(), lng: z.number()});

export const mapsServiceOptions = z.object({dine_in: z.boolean().nullable().optional(), takeout: z.boolean().nullable().optional(), delivery: z.boolean().nullable().optional(), curbside_pickup: z.boolean().nullable().optional()});

export const mapsPlaceResult = z.object({title: z.string(), place_id: z.string().nullable().optional(), data_id: z.string().nullable().optional(), data_cid: z.string().nullable().optional(), rank: z.number().int().nullable().optional(), rating: z.number().nullable().optional(), reviews_count: z.number().int().nullable().optional(), price_level: z.string().nullable().optional(), type: z.string().nullable().optional(), types: z.array(z.string()).optional(), type_ids: z.array(z.string()).optional(), extensions: z.array(z.record(z.string(), z.array(z.string()))).optional(), address: z.string().nullable().optional(), phone: z.string().nullable().optional(), website: z.string().nullable().optional(), gps_coordinates: gpsCoordinates.nullable().optional(), open_state: z.string().nullable().optional(), hours: z.string().nullable().optional(), operating_hours: z.record(z.string(), z.string()).optional(), description: z.string().nullable().optional(), thumbnail: z.string().nullable().optional(), image: z.string().nullable().optional(), google_maps_url: z.string().nullable().optional(), reviews_link: z.string().nullable().optional(), photos_link: z.string().nullable().optional(), posts_link: z.string().nullable().optional(), service_options: mapsServiceOptions.nullable().optional()});

export const pagination = z.object({current: z.union([z.number().int(), z.string()]).optional(), next: z.string().nullable().optional(), total_results: z.number().int().nullable().optional(), total_pages: z.number().int().nullable().optional(), page_no: z.record(z.string(), z.string()).optional()});

export const mapsSearchResponse = z.object({results: z.array(mapsPlaceResult), pagination: pagination});

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
};

/**
 * Search Google Maps places
 * 
 * GET /v1/google/maps/search
 */
export const getApiV1GoogleMapsSearch = async (args: GetApiV1GoogleMapsSearchArgs, options?: GetApiV1GoogleMapsSearchOptions) => {
const {baseUrl = "https://scrapebadger.com", fetch: fetchFn = fetch, apiKey} = options ?? {}

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

if (args.q != null) query.append("q", String(args.q))
if (args.ll != null) query.append("ll", String(args.ll))
if (args.gl != null) query.append("gl", String(args.gl))
if (args.hl != null) query.append("hl", String(args.hl))
if (args.start != null) query.append("start", String(args.start))
if (apiKey !== undefined) headers.set("x-api-key", apiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/google/maps/search${query.size > 0 ? `?${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(mapsSearchResponse, await res.json())
};