import {z} from 'zod'

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

export const tailscaleCapabilitiesDevicesCreate = z.object({tags: z.array(z.string()), reusable: z.boolean(), ephemeral: z.boolean(), preauthorized: z.boolean()});

export const tailscaleCapabilitiesDevices = z.object({create: tailscaleCapabilitiesDevicesCreate});

export const tailscaleCapabilities = z.object({devices: tailscaleCapabilitiesDevices});

export const tailscalePostTailnetKeyResponse = z.object({capabilities: tailscaleCapabilities, keyType: z.string(), revoked: z.string().nullable().optional(), expirySeconds: z.number().int(), key: z.string(), description: z.string().nullable().optional(), created: z.string().nullable().optional(), expires: z.string().nullable().optional(), invalid: z.boolean().nullable().optional(), userId: z.string().nullable().optional(), tags: z.array(z.string()).nullable().optional(), id: z.string(), scopes: z.array(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
};

/**
 * Generates an OAuth token for Tailscale
 * 
 * GET /api/device/tailscale/authToken
 * 
 * Also accepts auth: DEPRECATED - API Key, API Key, Basic Auth
 */
export const getApiApiDeviceTailscaleAuthToken = async (options: GetApiApiDeviceTailscaleAuthTokenOptions) => {
const {baseUrl, fetch: fetchFn = fetch, AuthenticationToken} = options ?? {}

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

if (AuthenticationToken !== undefined) headers.set("X-PL-AUTH", AuthenticationToken)

const url = `${baseUrl.replace(/\/+$/, '')}/api/device/tailscale/authToken${query.size > 0 ? `?${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(tailscalePostTailnetKeyResponse, await res.json())
};