import {z} from 'zod'

export type GetApiApiV1CvmsCvmIdAttestationArgs = {cvm_id: string};

export type GetApiApiV1CvmsCvmIdAttestationOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const certificateSubject = z.object({common_name: z.string().nullable().optional(), organization: z.string().nullable().optional(), country: z.string().nullable().optional(), state: z.string().nullable().optional(), locality: z.string().nullable().optional()});

export const certificateIssuer = z.object({common_name: z.string().nullable().optional(), organization: z.string().nullable().optional(), country: z.string().nullable().optional()});

export const certificate = z.object({subject: certificateSubject, issuer: certificateIssuer, serial_number: z.string(), not_before: z.string(), not_after: z.string(), version: z.string(), fingerprint: z.string(), signature_algorithm: z.string(), sans: z.array(z.string()).nullable().optional(), is_ca: z.boolean().optional(), position_in_chain: z.number().int().nullable().optional(), quote: z.string().nullable().optional(), app_id: z.string().nullable().optional(), cert_usage: z.string().nullable().optional()});

export const eventLog = z.object({imr: z.number().int(), event_type: z.number().int(), digest: z.string(), event: z.string(), event_payload: z.string()});

export const tcbInfo = z.object({mrtd: z.string().nullable().optional(), rootfs_hash: z.string().nullable().optional(), rtmr0: z.string().nullable().optional(), rtmr1: z.string().nullable().optional(), rtmr2: z.string().nullable().optional(), rtmr3: z.string().nullable().optional(), event_log: z.array(eventLog), app_compose: z.string()});

export const cvmAttestation = z.object({is_online: z.boolean(), is_public: z.boolean().optional(), error: z.string().nullable().optional(), name: z.string().nullable().optional(), app_certificates: z.array(certificate).nullable().optional(), tcb_info: tcbInfo.nullable().optional(), compose_file: z.string().nullable().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 CVM attestation
 * 
 * GET /api/v1/cvms/{cvm_id}/attestation
 */
export const getApiApiV1CvmsCvmIdAttestation = async (args: GetApiApiV1CvmsCvmIdAttestationArgs, options?: GetApiApiV1CvmsCvmIdAttestationOptions) => {
const {baseUrl = "https://cloud-api.phala.com", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/cvms/${encodeURIComponent(String(args.cvm_id))}/attestation${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(cvmAttestation, await res.json())
};