import {z} from 'zod'

export type GetApiCalendarEventIdLogsArgs = {TENANT: string, 'API-KEY': string, event_id: string};

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

export const eventLogAction = z.enum(["CREATED", "CANCELLED", "RESCHEDULED", "STATUS_CHANGED", "CHECKED_IN", "NO_SHOW_MARKED", "COMPLETED", "PATIENT_CHANGED", "PROVIDER_CHANGED"]);

export const userType = z.enum(["PROVIDER", "PATIENT", "ASSISTANT"]);

export const userTiny = z.object({id: z.string(), firstName: z.string().nullable().optional(), lastName: z.string().nullable().optional(), phoneNumber: z.string().nullable().optional(), email: z.string().nullable().optional(), type: userType, locationId: z.string().nullable().optional()});

export const statusTransitionData = z.object({oldStatus: z.string()});

export const statusChangeData = z.object({oldStatus: z.string(), newStatus: z.string()});

export const rescheduleData = z.object({oldStart: z.string(), newStart: z.string()});

export const creationData = z.object({serviceTitle: z.string().nullable().optional(), locationName: z.string().nullable().optional()});

export const eventLogSummary = z.object({id: z.string(), eventId: z.string(), actionType: eventLogAction, description: z.string().nullable().optional(), createdBy: userTiny, createdDate: z.string(), data: z.union([statusTransitionData, statusChangeData, rescheduleData, creationData, z.object({})]).nullable().optional()});

export const getApiCalendarEventIdLogsResponse = z.array(eventLogSummary);

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 Event Logs
 * 
 * GET /calendar/{event_id}/logs
 */
export const getApiCalendarEventIdLogs = async (args: GetApiCalendarEventIdLogsArgs, options: GetApiCalendarEventIdLogsOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.TENANT != null) headers.set("TENANT", String(args.TENANT))
if (args['API-KEY'] != null) headers.set("API-KEY", String(args['API-KEY']))

const url = `${baseUrl.replace(/\/+$/, '')}/calendar/${encodeURIComponent(String(args.event_id))}/logs${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(getApiCalendarEventIdLogsResponse, await res.json())
};