import {z} from 'zod'

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

export const accountHref = z.string();

export const metadataFileEntry = z.object({file: z.string().optional(), path: z.string().optional()});

export const identityConfiguration = z.object({name: z.string(), client_id: z.string(), principal_id: z.string()});

export const providerResourceHref = z.string();

export const instanceTemplate = z.string();

export const metadataEntry = z.object({key: z.string().optional(), value: z.string().optional()});

export const serverGroupHref = z.string();

export const placementHref = z.union([providerResourceHref, serverGroupHref]);

export const timestamp = z.string();

export const providerHref = z.string();

export const name = z.string().min(1);

export const providerAttributes = z.object({});

export const provider = z.object({created: timestamp.optional(), href: providerHref.optional(), name: name.optional(), type: z.enum(["aliyun", "aws", "centurylink", "cloudsigma", "google"]).optional(), links: providerAttributes.optional()});

export const securityGroupHref = z.string();

export const blueprint = z.object({files: z.array(metadataFileEntry).optional(), identity: identityConfiguration.optional(), image: providerResourceHref.optional(), instance_template: instanceTemplate.optional(), instance_type: providerResourceHref.optional(), metadata: z.array(metadataEntry).optional(), networks: z.array(providerResourceHref).optional(), network_tags: z.array(z.string()).optional(), placement: placementHref.optional(), provider: provider.optional(), security_groups: z.array(securityGroupHref).optional(), storage_account: providerResourceHref.optional(), zone: providerResourceHref.optional()});

export const cidr = z.string();

export const proxy = z.object({name: z.string().optional(), public_addresses: z.array(cidr).optional(), private_addresses: z.array(cidr).optional(), blueprint: blueprint.optional(), version: z.string().optional(), href: z.string().optional(), state: z.enum(["creating", "installing", "acl_installing", "configuring", "running", "maintenance", "replacing", "failed", "deleting"]).optional(), created: timestamp.optional(), unreachable_since: timestamp.optional(), reachable_since: timestamp.optional(), configured: timestamp.optional(), replacement_for: z.string().optional()});

export const dataPlane = z.object({name: z.string().min(1).max(100).optional(), account: accountHref.optional(), minimum_size: z.number().int().gte(0).optional(), maximum_size: z.number().int().optional(), maximum_assignments_per_proxy: z.number().int().gte(1).optional(), blueprints: z.array(blueprint).optional(), href: z.string().optional(), assigned_applications: z.array(z.string()).optional(), proxies: z.array(proxy).optional()});

export const getApiDataPlanesResponse = z.array(dataPlane);

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 authorized data planes
 * 
 * GET /data-planes
 */
export const getApiDataPlanes = async (options?: GetApiDataPlanesOptions) => {
const {baseUrl = "https://api.webscale.com/v2", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/data-planes${query.size > 0 ? `?${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(getApiDataPlanesResponse, await res.json())
};