import {z} from 'zod'

export type CreateApiCvesReportArgs = {use_blob?: boolean | undefined, body: {sha256s: Array<string>}};

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

export const cVEsReport = z.object({sha256: z.string().optional(), cves: z.array(z.object({id: z.string().optional(), score: z.number().optional(), status: z.string().optional(), curated: z.boolean().optional(), published_at: z.string().optional(), nvd_modified_at: z.string().optional(), anaconda_modified_at: z.string().optional()})).optional()});

export const createApiCvesReportResponse = z.object({items: z.array(cVEsReport).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 list of the CVEs with status for provided list of packages. Using Post as Get
 * 
 * POST /cves-report
 * 
 * Also accepts auth: user_token
 */
export const createApiCvesReport = async (args: CreateApiCvesReportArgs, options?: CreateApiCvesReportOptions) => {
const {baseUrl = "https://api.anaconda.cloud/api", fetch: fetchFn = fetch, jwt} = options ?? {}

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

if (args.use_blob != null) query.append("use_blob", String(args.use_blob))
if (jwt !== undefined) headers.set('authorization', `Bearer ${jwt}`)

const url = `${baseUrl.replace(/\/+$/, '')}/cves-report${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(createApiCvesReportResponse, await res.json())
};