import {z} from 'zod'

export type AttestationPolicy = {id?: string | undefined, platform?: ('kubernetes' | 'aws' | 'azure' | 'docker') | undefined, selector?: {[key: string]: unknown} | undefined, effect?: ('allow' | 'deny') | undefined, created_at?: string | undefined, updated_at?: string | undefined};

export type CreateApiPoliciesAttestationArgs = {body: AttestationPolicy};

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

export const attestationPolicy = z.object({id: z.string().optional(), platform: z.enum(["kubernetes", "aws", "azure", "docker"]).optional(), selector: z.record(z.string(), z.unknown()).optional(), effect: z.enum(["allow", "deny"]).optional(), created_at: z.string().optional(), updated_at: z.string().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
};

/**
 * Create Attestation Policy
 * 
 * POST /policies/attestation
 * 
 * Also accepts auth: ApiKeyAuth
 */
export const createApiPoliciesAttestation = async (args: CreateApiPoliciesAttestationArgs, options?: CreateApiPoliciesAttestationOptions) => {
const {baseUrl = "http://localhost:8000/api/v1", fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

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