import {z} from 'zod'

export type GetApiLivestreamsArgs = {exclude_meetings?: boolean | undefined, per_page?: number | undefined, page_no?: number | undefined, status?: ('LIVE' | 'IDLE' | 'ERRORED' | 'INVOKED') | undefined, start_time?: string | undefined, end_time?: string | undefined, sort_order?: ('ASC' | 'DSC') | undefined};

export type GetApiLivestreamsOptions = {baseUrl?: string | undefined, Authorization?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const getApiLivestreamsResponse = z.object({success: z.boolean().optional(), data: z.object({status: z.enum(["LIVE", "IDLE", "ERRORED", "INVOKED"]).optional(), id: z.string().optional(), name: z.string().optional(), ingest_server: z.string().optional(), stream_key: z.string().optional(), playback_url: z.string().optional(), meeting_id: z.string().optional(), created_at: z.string().optional(), updated_at: z.string().optional(), disabled: z.string().optional(), paging: z.object({total_count: z.number().int().optional(), start_offset: z.number().int().optional(), end_offset: z.number().int().optional()}).optional()}).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
};

/**
 * Fetch all livestreams
 * 
 * GET /livestreams
 */
export const getApiLivestreams = async (args: GetApiLivestreamsArgs, options?: GetApiLivestreamsOptions) => {
const {baseUrl = "https://api.dyte.io/v2", fetch: fetchFn = fetch, Authorization} = options ?? {}

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

if (args.exclude_meetings != null) query.append("exclude_meetings", String(args.exclude_meetings))
if (args.per_page != null) query.append("per_page", String(args.per_page))
if (args.page_no != null) query.append("page_no", String(args.page_no))
if (args.status != null) query.append("status", String(args.status))
if (args.start_time != null) query.append("start_time", String(args.start_time))
if (args.end_time != null) query.append("end_time", String(args.end_time))
if (args.sort_order != null) query.append("sort_order", String(args.sort_order))
if (Authorization !== undefined) headers.set('authorization', `Basic ${btoa(`${Authorization.username}:${Authorization.password}`)}`)

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