import {z} from 'zod'

export type GetApiV3SchedulesIdRotationsRotationIdEventsArgs = {id: string, rotation_id: string, limit?: number | undefined, offset?: number | undefined};

export type GetApiV3SchedulesIdRotationsRotationIdEventsOptions = {baseUrl?: string | undefined, apiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const zonedDateTime = z.object({date_time: z.string(), time_zone: z.string()});

export const shiftMember = z.object({type: z.enum(["user_member", "empty_member"]), user_id: z.string().optional()});

export const eventAssignmentStrategy = z.object({type: z.enum(["rotating_member_assignment_strategy", "every_member_assignment_strategy"]), shifts_per_member: z.number().int().gte(1).optional(), members: z.array(shiftMember)});

export const event = z.object({id: z.string(), type: z.literal("schedule_event"), name: z.string(), start_time: zonedDateTime, end_time: zonedDateTime, effective_since: z.string(), effective_until: z.string().nullable().optional(), recurrence: z.array(z.string()), assignment_strategy: eventAssignmentStrategy, self: z.string().optional(), html_url: z.string().optional()});

export const getApiV3SchedulesIdRotationsRotationIdEventsResponse = z.object({events: z.array(event), limit: z.number().int().optional(), offset: z.number().int().optional(), more: z.boolean().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 events
 * 
 * GET /v3/schedules/{id}/rotations/{rotation_id}/events
 */
export const getApiV3SchedulesIdRotationsRotationIdEvents = async (args: GetApiV3SchedulesIdRotationsRotationIdEventsArgs, options?: GetApiV3SchedulesIdRotationsRotationIdEventsOptions) => {
const {baseUrl = "https://api.pagerduty.com", fetch: fetchFn = fetch, apiKey} = options ?? {}

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

if (args.limit != null) query.append("limit", String(args.limit))
if (args.offset != null) query.append("offset", String(args.offset))
if (apiKey !== undefined) headers.set("Authorization", apiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/v3/schedules/${encodeURIComponent(String(args.id))}/rotations/${encodeURIComponent(String(args.rotation_id))}/events${query.size > 0 ? `?${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(getApiV3SchedulesIdRotationsRotationIdEventsResponse, await res.json())
};