import {z} from 'zod'

export type GetApiRisksArgs = {min_severity?: ('info' | 'low' | 'medium' | 'high' | 'critical') | undefined, include_meta?: boolean | undefined, include_sources?: boolean | undefined, asset_portfolio_names?: Array<string> | undefined};

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

export const riskWaiver = z.object({active_at: z.string().optional(), all_hostnames: z.boolean().optional(), approved_by: z.string().optional(), created_by: z.string().optional(), expires_at: z.string().optional(), hostnames: z.array(z.string()).optional(), justification: z.string().optional()});

export const risk = z.object({category: z.string().optional(), description: z.string().optional(), finding: z.string().optional(), firstDetected: z.string().optional(), hostnameCount: z.number().int().optional(), hostnameMeta: z.record(z.string(), z.string()).optional(), hostnames: z.array(z.string()).optional(), id: z.string().optional(), remediation: z.string().optional(), risk: z.string().optional(), riskSubtype: z.string().optional(), riskType: z.string().optional(), risk_waivers: z.array(riskWaiver).optional(), severity: z.string().optional(), sources: z.array(z.string()).optional()});

export const getRisksV1RespBody = z.object({risks: z.array(risk).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
};

/**
 * Get a list of active risks for your account
 * 
 * GET /risks
 */
export const getApiRisks = async (args: GetApiRisksArgs, options?: GetApiRisksOptions) => {
const {baseUrl = "https://cyber-risk.upguard.com/api/public", fetch: fetchFn = fetch, APIKeyInHeader} = options ?? {}

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

if (args.min_severity != null) query.append("min_severity", String(args.min_severity))
if (args.include_meta != null) query.append("include_meta", String(args.include_meta))
if (args.include_sources != null) query.append("include_sources", String(args.include_sources))
for (const item of args.asset_portfolio_names ?? []) query.append("asset_portfolio_names", String(item))
if (APIKeyInHeader !== undefined) headers.set("Authorization", APIKeyInHeader)

const url = `${baseUrl.replace(/\/+$/, '')}/risks${query.size > 0 ? `?${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(getRisksV1RespBody, await res.json())
};