import {z} from 'zod'

export type GetApiMeetingsIdArgs = {id: string};

export type GetApiMeetingsIdOptions = {baseUrl: string, xApiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const meetingProvider = z.enum(["googleMeet", "zoom", "microsoftTeams", "audioFile", "null"]).nullable();

export const dateISO = z.string();

export const meetingListParticipantDto = z.object({name: z.string().nullable(), email: z.string()});

export const idDto = z.object({id: z.string().min(1)});

export const meetingDto = z.object({id: z.string(), title: z.string(), provider: meetingProvider, startTime: dateISO, endTime: dateISO, description: z.string().nullable(), location: z.string().nullable(), isAllDay: z.boolean(), showAs: z.enum(["FREE", "TENTATIVE", "BUSY", "OUT_OF_OFFICE", "WORKING_ELSEWHERE", "UNKNOWN"]), isRecurringSeries: z.boolean(), hasBot: z.boolean(), onlineJoinUrl: z.string().nullable(), participants: z.array(meetingListParticipantDto), transcripts: z.array(idDto)});

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
};

/**
 * Retrieve a meeting
 * 
 * GET /meetings/{id}
 */
export const getApiMeetingsId = async (args: GetApiMeetingsIdArgs, options: GetApiMeetingsIdOptions) => {
const {baseUrl, fetch: fetchFn = fetch, xApiKey} = options ?? {}

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

if (xApiKey !== undefined) headers.set("x-api-key", xApiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/meetings/${encodeURIComponent(String(args.id))}${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(meetingDto, await res.json())
};