import {z} from 'zod'

export type GetApiFoodRestaurantsSearchArgs = {query?: string | undefined, lat?: number | undefined, lng?: number | undefined, distance?: number | undefined, budget?: number | undefined, cuisine?: string | undefined, 'min-rating'?: number | undefined, 'is-open'?: boolean | undefined, sort?: string | undefined, page?: number | undefined};

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

export const getApiFoodRestaurantsSearchResponse = z.object({restaurants: z.array(z.object({_id: z.string().optional(), name: z.string().optional(), phone_number: z.number().int().optional(), address: z.object({street_addr: z.string().optional(), city: z.string().optional(), state: z.string().optional(), zipcode: z.string().optional(), country: z.string().optional(), lat: z.number().optional(), lon: z.number().optional(), street_addr_2: z.string().optional(), latitude: z.number().optional(), longitude: z.number().optional()}).optional(), type: z.string().optional(), description: z.string().optional(), local_hours: z.object({operational: z.object({Monday: z.string().optional(), Tuesday: z.string().optional(), Wednesday: z.string().optional(), Thursday: z.string().optional(), Friday: z.string().optional(), Saturday: z.string().optional(), Sunday: z.string().optional()}).optional(), delivery: z.object({Monday: z.string().optional(), Tuesday: z.string().optional(), Wednesday: z.string().optional(), Thursday: z.string().optional(), Friday: z.string().optional(), Saturday: z.string().optional(), Sunday: z.string().optional()}).optional(), pickup: z.object({Monday: z.string().optional(), Tuesday: z.string().optional(), Wednesday: z.string().optional(), Thursday: z.string().optional(), Friday: z.string().optional(), Saturday: z.string().optional(), Sunday: z.string().optional()}).optional(), dine_in: z.object({Monday: z.string().optional(), Tuesday: z.string().optional(), Wednesday: z.string().optional(), Thursday: z.string().optional(), Friday: z.string().optional(), Saturday: z.string().optional(), Sunday: z.string().optional()}).optional()}).optional(), cuisines: z.array(z.string()).optional(), food_photos: z.array(z.string()).optional(), logo_photos: z.array(z.string()).optional(), store_photos: z.array(z.object({})).optional(), dollar_signs: z.number().int().optional(), pickup_enabled: z.boolean().optional(), delivery_enabled: z.boolean().optional(), is_open: z.boolean().optional(), offers_first_party_delivery: z.boolean().optional(), offers_third_party_delivery: z.boolean().optional(), miles: z.number().optional(), weighted_rating_value: z.number().optional(), aggregated_rating_count: z.number().int().optional()})).optional()});

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 Restaurants
 * 
 * GET /food/restaurants/search
 */
export const getApiFoodRestaurantsSearch = async (args: GetApiFoodRestaurantsSearchArgs, options?: GetApiFoodRestaurantsSearchOptions) => {
const {baseUrl = "https://api.spoonacular.com", fetch: fetchFn = fetch, apiKeyScheme} = options ?? {}

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

if (args.query != null) query.append("query", String(args.query))
if (args.lat != null) query.append("lat", String(args.lat))
if (args.lng != null) query.append("lng", String(args.lng))
if (args.distance != null) query.append("distance", String(args.distance))
if (args.budget != null) query.append("budget", String(args.budget))
if (args.cuisine != null) query.append("cuisine", String(args.cuisine))
if (args['min-rating'] != null) query.append("min-rating", String(args['min-rating']))
if (args['is-open'] != null) query.append("is-open", String(args['is-open']))
if (args.sort != null) query.append("sort", String(args.sort))
if (args.page != null) query.append("page", String(args.page))
if (apiKeyScheme !== undefined) headers.set("x-api-key", apiKeyScheme)

const url = `${baseUrl.replace(/\/+$/, '')}/food/restaurants/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(getApiFoodRestaurantsSearchResponse, await res.json())
};