import {z} from 'zod'

export type GetApiV1SipServersArgs = {isActive?: boolean | undefined, status?: string | undefined, offset?: number | undefined, limit?: number | undefined};

export type GetApiV1SipServersOptions = {baseUrl: string, Bearer?: string | undefined, fetch?: typeof fetch | undefined};

export const sipServer = z.object({id: z.number().int().optional(), serverId: z.number().int().optional(), serverName: z.string().nullable().optional(), queueName: z.string().nullable().optional(), ipAddress: z.string().nullable().optional(), isActive: z.boolean().optional(), status: z.string().nullable().optional(), maxChannels: z.number().int().optional(), currentChannels: z.number().int().optional(), httpBaseUrl: z.string().nullable().optional(), httpPort: z.number().int().optional()});

export const sipServerQueryResult = z.object({totalItems: z.number().int().optional(), items: z.array(sipServer).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 /v1/sip-servers
 * 
 * Also accepts auth: API Key
 */
export const getApiV1SipServers = async (args: GetApiV1SipServersArgs, options: GetApiV1SipServersOptions) => {
const {baseUrl, fetch: fetchFn = fetch, Bearer} = options ?? {}

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

if (args.isActive != null) query.append("isActive", String(args.isActive))
if (args.status != null) query.append("status", String(args.status))
if (args.offset != null) query.append("offset", String(args.offset))
if (args.limit != null) query.append("limit", String(args.limit))
if (Bearer !== undefined) headers.set('authorization', `Bearer ${Bearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/sip-servers${query.size > 0 ? `?${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(sipServerQueryResult, await res.json())
};