import {z} from 'zod'

export type GetApiSecuritySummaryArgs = {'X-Request-Id'?: string | undefined, with_dangerous_cve?: boolean | undefined, with_dangerous_artifact?: boolean | undefined};

export type GetApiSecuritySummaryOptions = {baseUrl?: string | undefined, basic?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const dangerousCVE = z.object({cve_id: z.string().optional(), severity: z.string().optional(), cvss_score_v3: z.number().optional(), desc: z.string().optional(), package: z.string().optional(), version: z.string().optional()});

export const dangerousArtifact = z.object({project_id: z.number().int().optional(), repository_name: z.string().optional(), digest: z.string().optional(), critical_cnt: z.number().int().optional(), high_cnt: z.number().int().optional(), medium_cnt: z.number().int().optional()});

export const securitySummary = z.object({critical_cnt: z.number().int().optional(), high_cnt: z.number().int().optional(), medium_cnt: z.number().int().optional(), low_cnt: z.number().int().optional(), none_cnt: z.number().int().optional(), unknown_cnt: z.number().int().optional(), total_vuls: z.number().int().optional(), scanned_cnt: z.number().int().optional(), total_artifact: z.number().int().optional(), fixable_cnt: z.number().int().optional(), dangerous_cves: z.array(dangerousCVE).optional(), dangerous_artifacts: z.array(dangerousArtifact).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 vulnerability system summary
 * 
 * GET /security/summary
 */
export const getApiSecuritySummary = async (args: GetApiSecuritySummaryArgs, options?: GetApiSecuritySummaryOptions) => {
const {baseUrl = "http://localhost/api/v2.0", fetch: fetchFn = fetch, basic} = options ?? {}

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

if (args['X-Request-Id'] != null) headers.set("X-Request-Id", String(args['X-Request-Id']))
if (args.with_dangerous_cve != null) query.append("with_dangerous_cve", String(args.with_dangerous_cve))
if (args.with_dangerous_artifact != null) query.append("with_dangerous_artifact", String(args.with_dangerous_artifact))
if (basic !== undefined) headers.set('authorization', `Basic ${btoa(`${basic.username}:${basic.password}`)}`)

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