import {z} from 'zod'

export type GetApiV1DistributionArticlesDomainQueriesArgs = {domain_names: Array<string>, limit?: number | undefined, start_date?: (number | null) | undefined, end_date?: (number | null) | undefined};

export type GetApiV1DistributionArticlesDomainQueriesOptions = {baseUrl?: string | undefined, APIKey?: string | undefined, fetch?: typeof fetch | undefined};

export const domainQueryArticleItem = z.object({article_id: z.string(), hit_date: z.string()});

export const domainQueryItem = z.object({query: z.string(), coords: z.array(z.unknown()), n_hits: z.number().int(), articles: z.array(domainQueryArticleItem)});

export const domainQueryClusterItem = z.object({cluster_label: z.string(), cluster_description: z.string(), cluster_classification: z.string(), centroid_coords: z.array(z.unknown()), cluster_queries: z.array(domainQueryItem)});

export const domainQueriesResponse = z.object({data: z.array(domainQueryClusterItem)});

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
};

/**
 * Get queries that surfaced domain articles
 * 
 * GET /v1/distribution/articles/domain_queries
 */
export const getApiV1DistributionArticlesDomainQueries = async (args: GetApiV1DistributionArticlesDomainQueriesArgs, options?: GetApiV1DistributionArticlesDomainQueriesOptions) => {
const {baseUrl = "https://api.asknews.app", fetch: fetchFn = fetch, APIKey} = options ?? {}

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

for (const item of args.domain_names ?? []) query.append("domain_names", String(item))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.start_date != null) query.append("start_date", String(args.start_date))
if (args.end_date != null) query.append("end_date", String(args.end_date))
if (APIKey !== undefined) headers.set("Authorization", APIKey)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/distribution/articles/domain_queries${query.size > 0 ? `?${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(domainQueriesResponse, await res.json())
};