import {z} from 'zod'

export type GetApiSitesArgs = {'X-Request-Id'?: string | undefined, pageSize?: number | undefined, pageNumber?: number | undefined, filter?: string | undefined, sort?: string | undefined};

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

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

export const emergencyNotification = z.object({type: z.literal("EMAIL").nullable().optional(), values: z.array(z.string()).nullable().optional()});

export const callerIdSettings = z.object({mainNumber: z.string().nullable().optional(), setMainNumberAsCallerId: z.boolean().nullable().optional(), shareMainNumberAsCallerId: z.boolean().nullable().optional(), displayName: z.string().nullable().optional()});

export const site = z.object({id: z.string().nullable().optional(), name: z.string().min(2).max(128), pbxName: z.string(), locale: z.enum(["da-DK", "de-DE", "en-AU", "en-GB", "en-US", "es-ES", "fi-FI", "fr-BE", "fr-CA", "fr-CH", "fr-FR", "it-IT", "ja-JP", "nl-BE", "nl-NL", "no-NO", "pl-PL", "pt-BR", "pt-PT", "sv-SE", "zh-CN"]), timezone: z.string(), address: siteAddress, siteCode: z.string().nullable().optional(), extensionLength: z.number().int().nullable().optional(), emergencyNotifications: z.array(emergencyNotification).nullable().optional(), callerIdSettings: callerIdSettings.nullable().optional(), defaultDialPlanCallingCountry: z.string().nullable().optional(), defaultDialPlanRuleset: z.enum(["INTERNATIONAL", "DOMESTIC", "EMERGENCYONLY"]).nullable().optional(), defaultVoicemailZeroOutDestinationExtensionId: z.string().nullable().optional(), defaultVoicemailZeroOutDestinationExtensionNumber: z.string().nullable().optional()});

export const pagination = z.object({pageSize: z.number().int().nullable().optional(), pageNumber: z.number().int().nullable().optional(), hasMore: z.boolean().nullable().optional(), filter: z.string().nullable().optional(), sort: z.string().nullable().optional(), nextScrollId: z.string().nullable().optional()});

export const link = z.object({href: z.string().nullable().optional()});

export const paginationLinks = z.object({self: link.optional(), next: link.optional()});

export const sitePage = z.object({data: z.array(site).nullable().optional(), pagination: pagination.optional(), _links: paginationLinks.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
};

/**
 * List sites
 * 
 * GET /sites
 */
export const getApiSites = async (args: GetApiSitesArgs, options?: GetApiSitesOptions) => {
const {baseUrl = "https://api.8x8.com/admin-provisioning", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (args['X-Request-Id'] != null) headers.set("X-Request-Id", String(args['X-Request-Id']))
if (args.pageSize != null) query.append("pageSize", String(args.pageSize))
if (args.pageNumber != null) query.append("pageNumber", String(args.pageNumber))
if (args.filter != null) query.append("filter", String(args.filter))
if (args.sort != null) query.append("sort", String(args.sort))
if (ApiKeyAuth !== undefined) headers.set("x-api-key", ApiKeyAuth)

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