import {z} from 'zod'

export type GetApiBlockStorageIdArgs = {id: string};

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

export const labels = z.record(z.string(), z.string());

export const instanceRef = z.object({id: z.string().optional()});

export const blockStorageSnapshotRef = z.object({id: z.string().optional()});

export const blockStorageVolume = z.object({labels: labels.optional(), instance: instanceRef.optional(), name: z.string().min(1).max(255).optional(), state: z.enum(["snapshotting", "deleted", "creating", "detached", "deleting", "attaching", "error", "attached", "detaching"]).optional(), size: z.number().int().gte(1).optional(), blocksize: z.number().int().gte(0).optional(), "block-storage-snapshots": z.array(blockStorageSnapshotRef).optional(), id: z.string().optional(), encrypted: z.boolean().optional(), "created-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
};

/**
 * Retrieve block storage volume details
 * 
 * GET /block-storage/{id}
 */
export const getApiBlockStorageId = async (args: GetApiBlockStorageIdArgs, options?: GetApiBlockStorageIdOptions) => {
const {baseUrl = "https://api-ch-gva-2.exoscale.com/v2", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/block-storage/${encodeURIComponent(String(args.id))}${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(blockStorageVolume, await res.json())
};