import {z} from 'zod'

export type GetApiApiV2SecurityMonitoringSecurityAgentInvestigationsArgs = {'filter[signal_id]'?: string | undefined, 'filter[title]'?: string | undefined, 'filter[from]'?: string | undefined, 'filter[to]'?: string | undefined, 'filter[verdict]'?: string | undefined, 'filter[state]'?: string | undefined, 'filter[rule_id]'?: string | undefined, 'filter[rule_type]'?: string | undefined, 'filter[signal_severity]'?: string | undefined, 'filter[signal_source]'?: string | undefined, 'filter[tags]'?: string | undefined, 'filter[entity]'?: string | undefined, sort?: string | undefined, 'page[number]'?: number | undefined, 'page[size]'?: number | undefined};

export type GetApiApiV2SecurityMonitoringSecurityAgentInvestigationsOptions = {baseUrl?: string | undefined, apiKeyAuth?: string | undefined, appKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const securityAgentInvestigationSignal = z.object({severity: z.string().optional(), sources: z.array(z.string()).optional(), tactic: z.string().optional(), tags: z.array(z.string()).optional(), technique: z.string().optional(), timestamp: z.string().optional(), title: z.string().optional()});

export const securityAgentInvestigationState = z.enum(["investigating", "completed", "failed"]);

export const securityAgentInvestigationVerdict = z.enum(["benign", "suspicious", "malicious"]);

export const securityAgentInvestigationListItemAttributes = z.object({created_at: z.string().optional(), is_latest: z.boolean(), rule_id: z.string(), signal: securityAgentInvestigationSignal.optional(), signal_id: z.string(), state: securityAgentInvestigationState, updated_at: z.string().optional(), verdict: securityAgentInvestigationVerdict.optional()});

export const securityAgentInvestigationType = z.literal("investigations");

export const securityAgentInvestigationListItem = z.object({attributes: securityAgentInvestigationListItemAttributes, id: z.string(), type: securityAgentInvestigationType});

export const securityAgentInvestigationNoRunReason = z.enum(["investigation_not_started", "not_investigated", "rule_not_enabled", "signal_not_found", "org_not_activated"]);

export const securityAgentInvestigationsListMeta = z.object({reason: securityAgentInvestigationNoRunReason.optional(), total_count: z.number().int()});

export const securityAgentInvestigationsListResponse = z.object({data: z.array(securityAgentInvestigationListItem), meta: securityAgentInvestigationsListMeta});

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 Bits Security Analyst investigations
 * 
 * GET /api/v2/security_monitoring/security_agent/investigations
 * 
 * Also accepts auth: AuthZ
 */
export const getApiApiV2SecurityMonitoringSecurityAgentInvestigations = async (args: GetApiApiV2SecurityMonitoringSecurityAgentInvestigationsArgs, options?: GetApiApiV2SecurityMonitoringSecurityAgentInvestigationsOptions) => {
const {baseUrl = "https://api.datadoghq.com", fetch: fetchFn = fetch, apiKeyAuth, appKeyAuth} = options ?? {}

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

if (args['filter[signal_id]'] != null) query.append("filter[signal_id]", String(args['filter[signal_id]']))
if (args['filter[title]'] != null) query.append("filter[title]", String(args['filter[title]']))
if (args['filter[from]'] != null) query.append("filter[from]", String(args['filter[from]']))
if (args['filter[to]'] != null) query.append("filter[to]", String(args['filter[to]']))
if (args['filter[verdict]'] != null) query.append("filter[verdict]", String(args['filter[verdict]']))
if (args['filter[state]'] != null) query.append("filter[state]", String(args['filter[state]']))
if (args['filter[rule_id]'] != null) query.append("filter[rule_id]", String(args['filter[rule_id]']))
if (args['filter[rule_type]'] != null) query.append("filter[rule_type]", String(args['filter[rule_type]']))
if (args['filter[signal_severity]'] != null) query.append("filter[signal_severity]", String(args['filter[signal_severity]']))
if (args['filter[signal_source]'] != null) query.append("filter[signal_source]", String(args['filter[signal_source]']))
if (args['filter[tags]'] != null) query.append("filter[tags]", String(args['filter[tags]']))
if (args['filter[entity]'] != null) query.append("filter[entity]", String(args['filter[entity]']))
if (args.sort != null) query.append("sort", String(args.sort))
if (args['page[number]'] != null) query.append("page[number]", String(args['page[number]']))
if (args['page[size]'] != null) query.append("page[size]", String(args['page[size]']))
if (apiKeyAuth !== undefined) headers.set("DD-API-KEY", apiKeyAuth)
if (appKeyAuth !== undefined) headers.set("DD-APPLICATION-KEY", appKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v2/security_monitoring/security_agent/investigations${query.size > 0 ? `?${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(securityAgentInvestigationsListResponse, await res.json())
};