import {z} from 'zod'

export type GetApiApiV2InsightsProfileInsightsArgs = {Authorization: string, limit?: number | undefined, distributionFieldsLimit?: number | undefined, positionMatchedFor?: string | undefined, filterQuery?: string | undefined, query?: string | undefined, fields?: string | undefined, exclude?: string | undefined, keyList?: string | undefined};

export type GetApiApiV2InsightsProfileInsightsOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const countValue = z.object({count: z.number().int().nullable().optional(), value: z.string().nullable().optional()});

export const fieldInsight = z.object({field: z.string().nullable().optional(), values: z.array(countValue).nullable().optional()});

export const insightsSchema = z.object({resultCount: z.number().int().nullable().optional(), fieldInsights: z.array(fieldInsight).nullable().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
};

/**
 * List Profile Insights
 * 
 * GET /api/v2/insights/profile-insights
 */
export const getApiApiV2InsightsProfileInsights = async (args: GetApiApiV2InsightsProfileInsightsArgs, options?: GetApiApiV2InsightsProfileInsightsOptions) => {
const {baseUrl = "https://apiv2.eightfold.ai", fetch: fetchFn = fetch} = options ?? {}

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

if (args.Authorization != null) headers.set("Authorization", String(args.Authorization))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.distributionFieldsLimit != null) query.append("distributionFieldsLimit", String(args.distributionFieldsLimit))
if (args.positionMatchedFor != null) query.append("positionMatchedFor", String(args.positionMatchedFor))
if (args.filterQuery != null) query.append("filterQuery", String(args.filterQuery))
if (args.query != null) query.append("query", String(args.query))
if (args.fields != null) query.append("fields", String(args.fields))
if (args.exclude != null) query.append("exclude", String(args.exclude))
if (args.keyList != null) query.append("keyList", String(args.keyList))

const url = `${baseUrl.replace(/\/+$/, '')}/api/v2/insights/profile-insights${query.size > 0 ? `?${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(insightsSchema, await res.json())
};