import {z} from 'zod'

export type GetApiIndexExploitsArgs = {page?: number | undefined, limit?: number | undefined, cursor?: string | undefined, start_cursor?: 'true' | undefined, order?: ('asc' | 'desc') | undefined, sort?: string | undefined, cve?: string | undefined, alias?: string | undefined, iava?: string | undefined, jvndb?: string | undefined, ilvn?: string | undefined, threat_actor?: string | undefined, mitre_id?: string | undefined, misp_id?: string | undefined, ransomware?: string | undefined, botnet?: string | undefined, published?: string | undefined, max_exploit_maturity?: string | undefined, validation_level?: string | undefined, in_kev?: boolean | undefined, in_vckev?: boolean | undefined, date?: string | undefined, updatedAtStartDate?: string | undefined, updatedAtEndDate?: string | undefined, lastModStartDate?: string | undefined, lastModEndDate?: string | undefined, pubStartDate?: string | undefined, pubEndDate?: string | undefined};

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

export const paginateMatch = z.object({field: z.string().optional(), value: z.string().optional()});

export const paginateParam = z.object({filtering: z.string().optional(), format: z.string().optional(), name: z.string().optional()});

export const paginatePagination = z.object({cursor: z.string().optional(), first_item: z.number().int().optional(), index: z.string().optional(), last_item: z.number().int().optional(), limit: z.number().int().optional(), matches: z.array(paginateMatch).optional(), max_pages: z.number().int().optional(), next_cursor: z.string().optional(), opensearch_query: z.object({}).optional(), order: z.string().optional(), page: z.number().int().optional(), pages: z.array(z.string()).optional(), parameters: z.array(paginateParam).optional(), show_pages: z.boolean().optional(), show_query: z.boolean().optional(), sort: z.string().optional(), timestamp: z.string().optional(), total_documents: z.number().int().optional(), total_pages: z.number().int().optional(), truncated: z.boolean().optional(), warnings: z.array(z.string()).optional()});

export const apiExploitsV3Count = z.object({botnets: z.number().int().optional(), exploits: z.number().int().optional(), ransomware_families: z.number().int().optional(), threat_actors: z.number().int().optional()});

export const apiEPSS = z.object({epss_percentile: z.number().optional(), epss_score: z.number().optional(), last_modified: z.string().optional()});

export const apiNormalizedExploitV3Entry = z.object({clone_ssh_url: z.string().optional(), clone_ssh_url_cached: z.string().optional(), commit_hash: z.string().optional(), date_added: z.string().optional(), date_cached: z.string().optional(), exploit_availability: z.string().optional(), exploit_maturity: z.string().optional(), exploit_type: z.string().optional(), name: z.string().optional(), reference_url: z.string().optional(), refsource: z.string().optional(), repo_id: z.string().optional(), url: z.string().optional(), validation_level: z.string().optional()});

export const apiNormalizedReportV3Entry = z.object({date_added: z.string().optional(), name: z.string().optional(), refsource: z.string().optional(), url: z.string().optional()});

export const apiExploitsV3Timeline = z.object({cisa_kev_date_added: z.string().optional(), cisa_kev_date_due: z.string().optional(), first_exploit_published: z.string().optional(), first_exploit_published_weaponized_or_higher: z.string().optional(), first_reported_botnet: z.string().optional(), first_reported_ransomware: z.string().optional(), first_reported_threat_actor: z.string().optional(), first_reported_vulncheck_canaries: z.string().optional(), most_recent_exploit_published: z.string().optional(), most_recent_reported_botnet: z.string().optional(), most_recent_reported_ransomware: z.string().optional(), most_recent_reported_threat_actor: z.string().optional(), nvd_last_modified: z.string().optional(), nvd_published: z.string().optional(), vulncheck_kev_date_added: z.string().optional(), vulncheck_kev_date_due: z.string().optional()});

export const apiExploitsTrending = z.object({github: z.boolean().optional()});

export const apiExploitV3Result = z.object({_timestamp: z.string().optional(), commercial_exploit_found: z.boolean().optional(), counts: apiExploitsV3Count.optional(), date_added: z.string().optional(), epss: apiEPSS.optional(), exploits: z.array(apiNormalizedExploitV3Entry).optional(), id: z.string().optional(), inKEV: z.boolean().optional(), inVCKEV: z.boolean().optional(), max_exploit_maturity: z.string().optional(), public_exploit_found: z.boolean().optional(), reported_exploitation: z.array(apiNormalizedReportV3Entry).optional(), reported_exploited: z.boolean().optional(), reported_exploited_by_botnets: z.boolean().optional(), reported_exploited_by_honeypot_service: z.boolean().optional(), reported_exploited_by_ransomware: z.boolean().optional(), reported_exploited_by_threat_actors: z.boolean().optional(), reported_exploited_by_vulncheck_canaries: z.boolean().optional(), timeline: apiExploitsV3Timeline.optional(), trending: apiExploitsTrending.optional(), weaponized_exploit_found: z.boolean().optional()});

export const renderResponseWithMetadataArrayApiExploitV3ResultPaginatePagination = z.object({_benchmark: z.number().optional(), _meta: paginatePagination.optional(), data: z.array(apiExploitV3Result).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
};

/**
 * Return vulnerability data stored in index "exploits"
 * 
 * GET /index/exploits
 */
export const getApiIndexExploits = async (args: GetApiIndexExploitsArgs, options: GetApiIndexExploitsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, Bearer} = options ?? {}

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

if (args.page != null) query.append("page", String(args.page))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.cursor != null) query.append("cursor", String(args.cursor))
if (args.start_cursor != null) query.append("start_cursor", String(args.start_cursor))
if (args.order != null) query.append("order", String(args.order))
if (args.sort != null) query.append("sort", String(args.sort))
if (args.cve != null) query.append("cve", String(args.cve))
if (args.alias != null) query.append("alias", String(args.alias))
if (args.iava != null) query.append("iava", String(args.iava))
if (args.jvndb != null) query.append("jvndb", String(args.jvndb))
if (args.ilvn != null) query.append("ilvn", String(args.ilvn))
if (args.threat_actor != null) query.append("threat_actor", String(args.threat_actor))
if (args.mitre_id != null) query.append("mitre_id", String(args.mitre_id))
if (args.misp_id != null) query.append("misp_id", String(args.misp_id))
if (args.ransomware != null) query.append("ransomware", String(args.ransomware))
if (args.botnet != null) query.append("botnet", String(args.botnet))
if (args.published != null) query.append("published", String(args.published))
if (args.max_exploit_maturity != null) query.append("max_exploit_maturity", String(args.max_exploit_maturity))
if (args.validation_level != null) query.append("validation_level", String(args.validation_level))
if (args.in_kev != null) query.append("in_kev", String(args.in_kev))
if (args.in_vckev != null) query.append("in_vckev", String(args.in_vckev))
if (args.date != null) query.append("date", String(args.date))
if (args.updatedAtStartDate != null) query.append("updatedAtStartDate", String(args.updatedAtStartDate))
if (args.updatedAtEndDate != null) query.append("updatedAtEndDate", String(args.updatedAtEndDate))
if (args.lastModStartDate != null) query.append("lastModStartDate", String(args.lastModStartDate))
if (args.lastModEndDate != null) query.append("lastModEndDate", String(args.lastModEndDate))
if (args.pubStartDate != null) query.append("pubStartDate", String(args.pubStartDate))
if (args.pubEndDate != null) query.append("pubEndDate", String(args.pubEndDate))
if (Bearer !== undefined) headers.set("Authorization", Bearer)

const url = `${baseUrl.replace(/\/+$/, '')}/index/exploits${query.size > 0 ? `?${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(renderResponseWithMetadataArrayApiExploitV3ResultPaginatePagination, await res.json())
};