import {z} from 'zod'

export type GetApiV1MitigationDetectionContentSourceRulesArgs = {source: string, limit?: number | undefined, offset?: number | undefined, search?: string | undefined, orderBy?: string | undefined, asc?: boolean | undefined, ruleSeverity?: Array<string> | undefined, logSources?: Array<string> | undefined, alerted?: boolean | undefined, threats?: Array<number> | undefined, type?: string | undefined};

export type GetApiV1MitigationDetectionContentSourceRulesOptions = {baseUrl?: string | undefined, AccessToken?: string | undefined, fetch?: typeof fetch | undefined};

export const paginationDTO = z.object({currentPage: z.number().int().optional(), currentPageSize: z.number().int().optional(), pageSize: z.number().int().optional(), totalCount: z.number().int().optional(), totalPageCount: z.number().int().optional()});

export const idNameInfoDTO = z.object({id: z.number().int().optional(), name: z.string().optional()});

export const techniqueInfoDTO = z.object({mitreId: z.string().optional(), name: z.string().optional(), url: z.string().optional()});

export const ruleDTO = z.object({actions: z.array(idNameInfoDTO).optional(), id: z.string().optional(), mitre: z.array(techniqueInfoDTO).optional(), name: z.string().optional(), releaseDate: z.number().int().optional(), score: z.number().int().optional(), severity: z.string().optional(), type: z.string().optional(), updateDate: z.number().int().optional()});

export const getApiV1MitigationDetectionContentSourceRulesResponse = z.object({pagination: paginationDTO.optional(), rules: z.array(ruleDTO).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
};

/**
 * # Detection Content Rules
 * 
 * GET /v1/mitigation/detection-content/{source}/rules
 */
export const getApiV1MitigationDetectionContentSourceRules = async (args: GetApiV1MitigationDetectionContentSourceRulesArgs, options?: GetApiV1MitigationDetectionContentSourceRulesOptions) => {
const {baseUrl = "https://api.picussecurity.com", fetch: fetchFn = fetch, AccessToken} = options ?? {}

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

if (args.limit != null) query.append("limit", String(args.limit))
if (args.offset != null) query.append("offset", String(args.offset))
if (args.search != null) query.append("search", String(args.search))
if (args.orderBy != null) query.append("orderBy", String(args.orderBy))
if (args.asc != null) query.append("asc", String(args.asc))
for (const item of args.ruleSeverity ?? []) query.append("ruleSeverity", String(item))
for (const item of args.logSources ?? []) query.append("logSources", String(item))
if (args.alerted != null) query.append("alerted", String(args.alerted))
for (const item of args.threats ?? []) query.append("threats", String(item))
if (args.type != null) query.append("type", String(args.type))
if (AccessToken !== undefined) headers.set("Authorization", AccessToken)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/mitigation/detection-content/${encodeURIComponent(String(args.source))}/rules${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(getApiV1MitigationDetectionContentSourceRulesResponse, await res.json())
};