import {z} from 'zod'

export type EventType = 'APPOINTMENT' | 'SHIFT' | 'BLOCK';

export type EventStatus = 'PENDING' | 'RESERVED' | 'CONFIRMED' | 'CANCELLED' | 'COMPLETED' | 'OVERRIDABLE' | 'NO_SHOW';

export type GetApiCalendarEventListArgs = {TENANT: string, 'API-KEY': string, user_ids?: (Array<string> | null) | undefined, types?: (Array<EventType> | null) | undefined, statuses?: (Array<EventStatus> | null) | undefined, start?: (string | null) | undefined, end?: (string | null) | undefined, location_ids?: (Array<string> | null) | undefined};

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

export const eventType = z.enum(["APPOINTMENT", "SHIFT", "BLOCK"]);

export const locationTiny = z.object({id: z.string(), isVirtual: z.boolean()});

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 inviteStatus = z.enum(["PENDING", "ACCEPTED", "REJECTED"]);

export const attendeeDetailOutput = z.object({user: userTiny, inviteStatus: inviteStatus});

export const eventStatus = z.enum(["PENDING", "RESERVED", "CONFIRMED", "CANCELLED", "COMPLETED", "OVERRIDABLE", "NO_SHOW"]);

export const recurringEventDetail = z.object({id: z.string(), rrule: z.string(), startDate: z.string(), durationMinutes: z.number().int(), timezone: z.string(), serviceIds: z.array(z.string()).nullable().optional(), capacity: z.number().int().nullable().optional(), type: eventType, title: z.string(), attendeeIds: z.array(z.string()).nullable().optional(), locationId: z.string().nullable().optional(), organizerId: z.string()});

export const serviceTiny = z.object({id: z.string(), duration: z.number().int(), name: z.string(), locationIds: z.array(z.string()).nullable().optional(), color: z.string()});

export const eventServiceBookable = z.object({eventId: z.string(), serviceId: z.string(), bookableId: z.string(), start: z.string(), end: z.string()});

export const eventServiceTiny = z.object({service: serviceTiny, providerId: z.string().nullable().optional(), bookables: z.array(eventServiceBookable).nullable().optional(), start: z.string().nullable().optional(), end: z.string().nullable().optional(), externalId: z.string().nullable().optional(), isArchived: z.boolean().nullable().optional()});

export const eventIcon = z.enum(["BOOKING_FEE_PAID", "NEW_PATIENT", "SCHEDULED_BY_AI", "FORM_COMPLETED", "CHECKED_IN"]);

export const eventTinyOutput = z.object({id: z.string(), title: z.string(), start: z.string(), end: z.string(), type: eventType, location: locationTiny.nullable().optional(), attendees: z.array(attendeeDetailOutput).optional(), status: eventStatus, recurringEventId: z.string().nullable().optional(), recurringEvent: recurringEventDetail.nullable().optional(), eventServices: z.array(eventServiceTiny).optional(), icons: z.array(eventIcon).optional(), capacity: z.number().int().nullable().optional()});

export const getApiCalendarEventListResponse = z.array(eventTinyOutput);

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 /calendar/event/list
 */
export const getApiCalendarEventList = async (args: GetApiCalendarEventListArgs, options: GetApiCalendarEventListOptions) => {
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']))
for (const item of args.user_ids ?? []) query.append("user_ids", String(item))
for (const item of args.types ?? []) query.append("types", String(item))
for (const item of args.statuses ?? []) query.append("statuses", String(item))
if (args.start != null) query.append("start", String(args.start))
if (args.end != null) query.append("end", String(args.end))
for (const item of args.location_ids ?? []) query.append("location_ids", String(item))

const url = `${baseUrl.replace(/\/+$/, '')}/calendar/event/list${query.size > 0 ? `?${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(getApiCalendarEventListResponse, await res.json())
};