import {z} from 'zod'

export type GetApiV2ApplicantsIdBookedSlotsArgs = {id: string};

export type GetApiV2ApplicantsIdBookedSlotsOptions = {baseUrl?: string | undefined, ApiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const applicantBookeSlotResponse = z.object({booked_slots: z.array(z.object({start_time: z.string(), end_time: z.string(), booked_time: z.string(), start_time_utc: z.string().optional(), end_time_utc: z.string().optional(), booked_time_utc: z.string().optional(), location: z.string(), recruiter: z.string(), instructions: z.string(), showed_up: z.string().nullable(), stage_title: z.string(), id: z.string()})), stage_landings: z.array(z.object({stage_id: z.string(), stage_title: z.string(), status: z.enum(["Scheduled", "Cancelled", "Attended", "Not Attended", "Missing Attendance", "Not Scheduled"])}))});

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 Interview Sessions
 * 
 * GET /v2/applicants/{id}/booked_slots
 */
export const getApiV2ApplicantsIdBookedSlots = async (args: GetApiV2ApplicantsIdBookedSlotsArgs, options?: GetApiV2ApplicantsIdBookedSlotsOptions) => {
const {baseUrl = "https://api.fountain.com", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (ApiKeyAuth !== undefined) headers.set("X-ACCESS-TOKEN", ApiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/applicants/${encodeURIComponent(String(args.id))}/booked_slots${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(applicantBookeSlotResponse, await res.json())
};