import {z} from 'zod'

export type AutocompleteType = 'country' | 'country_code' | 'region_country_code' | 'google_category' | 'naics_category' | 'linkedin_category' | 'company_tech_stack_tech' | 'company_tech_stack_categories' | 'job_title' | 'company_size' | 'company_revenue' | 'number_of_locations' | 'company_age' | 'job_department' | 'job_level' | 'city_region_country' | 'company_name' | 'business_intent_topics' | 'city_region';

export type GetApiV1ProspectsAutocompleteArgs = {field: AutocompleteType, query?: string | undefined, semantic_search?: boolean | undefined, tenant?: string | undefined};

export type GetApiV1ProspectsAutocompleteOptions = {baseUrl?: string | undefined, APIKeyHeader?: string | undefined, fetch?: typeof fetch | undefined};

export const autoCompleteItem = z.object({query: z.string(), label: z.string(), value: z.string()});

export const getApiV1ProspectsAutocompleteResponse = z.array(autoCompleteItem);

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
};

/**
 * Autocomplete Prospects
 * 
 * GET /v1/prospects/autocomplete
 * 
 * Also accepts auth: APIKeyHeader
 */
export const getApiV1ProspectsAutocomplete = async (args: GetApiV1ProspectsAutocompleteArgs, options?: GetApiV1ProspectsAutocompleteOptions) => {
const {baseUrl = "https://api.explorium.ai", fetch: fetchFn = fetch, APIKeyHeader} = options ?? {}

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

if (args.field != null) query.append("field", String(args.field))
if (args.query != null) query.append("query", String(args.query))
if (args.semantic_search != null) query.append("semantic_search", String(args.semantic_search))
if (args.tenant != null) headers.set("tenant", String(args.tenant))
if (APIKeyHeader !== undefined) headers.set("api_key", APIKeyHeader)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/prospects/autocomplete${query.size > 0 ? `?${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(getApiV1ProspectsAutocompleteResponse, await res.json())
};