import {z} from 'zod'

export type CreateApiUserMeetingsArgs = {body: {mode: 'AUDIO' | 'VIDEO', control?: ('FREE' | 'MASTER') | undefined, height?: number | undefined, width?: number | undefined, bitrate?: number | undefined, framerate?: number | undefined, layout?: ('LAYOUT0' | 'LAYOUT1' | 'LAYOUT2' | 'LAYOUT3' | 'LAYOUT4' | 'LAYOUT6' | 'LAYOUT9') | undefined, subject: string, language?: string | undefined, admin_pin?: string | undefined, room_pin?: string | undefined, enable_recording?: boolean | undefined, enable_prompt?: boolean | undefined, timezone: string, scheduled_start_at?: unknown | undefined, scheduled_end_at?: unknown | undefined, internal_invitees?: Array<string> | undefined, external_invitees?: string | undefined, close_on_nobody?: boolean | undefined, outbound_caller_ids?: (Array<{provider_id?: string | undefined, caller_id?: string | undefined, description?: string | undefined}>) | undefined, custom_options?: string | undefined}};

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

export const createApiUserMeetingsResponse = z.object({id: z.string().optional(), extension_number: z.string().min(3).max(64).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
};

/**
 * Create a Meeting
 * 
 * POST /user/meetings
 */
export const createApiUserMeetings = async (args: CreateApiUserMeetingsArgs, options?: CreateApiUserMeetingsOptions) => {
const {baseUrl = "https://HOSTNAME:8887/api", fetch: fetchFn = fetch, bearer} = options ?? {}

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

if (bearer !== undefined) headers.set('authorization', `Bearer ${bearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/user/meetings${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(createApiUserMeetingsResponse, await res.json())
};