import {z} from 'zod'

export type SignalStatusEnum = 'active' | 'dismissed' | 'pending' | 'acknowledged';

export type SignalSourceType = 'purchase_order' | 'meeting_minutes' | 'annual_budgets' | 'procurement_guidelines' | 'youtube' | 'rfp' | 'grants' | 'press_releases';

export type InstitutionEnum = 'k12_districts' | 'cities' | 'counties' | 'higher_education' | 'federal_agencies' | 'federal_departments' | 'individual_units' | 'k12_schools' | 'police_agencies' | 'usfa_registry' | 'state_agencies' | 'states';

export type SignalSortEnum = 'created_at_desc' | 'created_at_asc';

export type InstitutionSortEnum = 'most_signals' | 'most_recent' | 'oldest' | 'most_contacts' | 'account_type';

export type SignalFilters = {created_after?: (string | null) | undefined, created_before?: (string | null) | undefined, offset?: number | undefined, limit?: (number | null) | undefined, statuses?: (Array<SignalStatusEnum> | null) | undefined, signal_ids?: (Array<string> | null) | undefined, signal_setting_ids?: (Array<string> | null) | undefined, list_ids?: (Array<string> | null) | undefined, data_sources?: (Array<SignalSourceType> | null) | undefined, institution_types?: (Array<InstitutionEnum> | null) | undefined, keywords?: (Array<string> | null) | undefined, states?: (Array<string> | null) | undefined, saved?: (boolean | null) | undefined, exclude_territory_ids?: (Array<string> | null) | undefined, exclude_institution_ids?: (Array<string> | null) | undefined, sort_by?: SignalSortEnum | undefined, institution_sort?: (InstitutionSortEnum | null) | undefined, user_id?: (string | null) | undefined, query?: (string | null) | undefined};

export type CreateApiApiV3SignalsSearchArgs = {body: SignalFilters};

export type CreateApiApiV3SignalsSearchOptions = {baseUrl: string, HTTPBearer?: string | undefined, fetch?: typeof fetch | undefined};

export const createApiApiV3SignalsSearchResponse = z.unknown();

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 Signals
 * 
 * POST /api/v3/signals/search
 */
export const createApiApiV3SignalsSearch = async (args: CreateApiApiV3SignalsSearchArgs, options: CreateApiApiV3SignalsSearchOptions) => {
const {baseUrl, fetch: fetchFn = fetch, HTTPBearer} = options ?? {}

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

if (HTTPBearer !== undefined) headers.set('authorization', `Bearer ${HTTPBearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v3/signals/search${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(createApiApiV3SignalsSearchResponse, await res.json())
};