import {z} from 'zod'

export type GetApiCloudAwsLambdaProjectRegionNameArgs = {'X-Auth-Token': string, project: string, region: string, name: string};

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

export const rESTScanBrief = z.object({status: z.string(), high: z.number().int(), medium: z.number().int(), result: z.string(), scanned_timestamp: z.number().int(), scanned_at: z.string(), base_os: z.string(), scanner_version: z.string(), cvedb_create_time: z.string()});

export const rESTVulnerability = z.object({name: z.string(), score: z.number(), severity: z.string(), vectors: z.string(), description: z.string(), package_name: z.string(), package_version: z.string(), fixed_version: z.string(), link: z.string(), score_v3: z.number(), vectors_v3: z.string(), published_timestamp: z.number().int(), last_modified_timestamp: z.number().int(), cpes: z.array(z.string()).optional(), cves: z.array(z.string()).optional(), feed_rating: z.string(), in_base_image: z.boolean(), tags: z.array(z.string()).optional()});

export const rESTModuleCve = z.object({name: z.string(), status: z.string()});

export const rESTScanModule = z.object({name: z.string(), version: z.string(), source: z.string(), cves: z.array(rESTModuleCve).optional(), cpes: z.array(z.string()).optional()});

export const rESTBenchItem = z.object({catalog: z.string(), type: z.string(), level: z.string(), test_number: z.string(), profile: z.string(), scored: z.boolean(), automated: z.boolean(), description: z.string(), message: z.array(z.string()), remediation: z.string(), group: z.string()});

export const rESTScanSecret = z.object({type: z.string(), evidence: z.string(), path: z.string(), suggestion: z.string()});

export const rESTScanSetIdPerm = z.object({type: z.string(), evidence: z.string(), path: z.string()});

export const rESTScanReport = z.object({vulnerabilities: z.array(rESTVulnerability), modules: z.array(rESTScanModule).optional(), checks: z.array(rESTBenchItem).optional(), secrets: z.array(rESTScanSecret).optional(), setid_perms: z.array(rESTScanSetIdPerm).optional(), envs: z.array(z.string()).optional(), labels: z.object({key: z.array(z.string()).optional(), value: z.string().optional()}).optional(), cmds: z.array(z.string()).optional()});

export const rESTScanAwsFuncDetail = z.object({scan_brief: rESTScanBrief, scan_report: rESTScanReport});

export const rESTAwsResDetail = z.object({permission_level: z.string(), resource: z.string(), permission_state: z.string()});

export const rESTAwsFuncPermission = z.object({aws_attached_policy: z.boolean(), policy_permission_level: z.string(), permission_state: z.array(z.string()), allowed_detail: z.object({key: z.string().optional(), value: z.array(rESTAwsResDetail).optional()})});

export const rESTScanAwsFuncReport = z.object({function_id: z.string(), nv_sec_id: z.string(), version: z.string(), scan_result: rESTScanAwsFuncDetail, allowed_resources: z.object({key: z.string().optional(), value: rESTAwsFuncPermission.optional()}), req_resources: z.object({key: z.string().optional(), value: rESTAwsFuncPermission.optional()})});

export const rESTAwsFunction = z.object({function_name: z.string(), region: z.string(), report: z.array(rESTScanAwsFuncReport).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 AWS Lambda function detail
 * 
 * GET /cloud/aws/lambda/{project}/{region}/{name}
 */
export const getApiCloudAwsLambdaProjectRegionName = async (args: GetApiCloudAwsLambdaProjectRegionNameArgs, options: GetApiCloudAwsLambdaProjectRegionNameOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args['X-Auth-Token'] != null) headers.set("X-Auth-Token", String(args['X-Auth-Token']))

const url = `${baseUrl.replace(/\/+$/, '')}/cloud/aws/lambda/${encodeURIComponent(String(args.project))}/${encodeURIComponent(String(args.region))}/${encodeURIComponent(String(args.name))}${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(rESTAwsFunction, await res.json())
};