import {z} from 'zod'

export type GetApiAppointmentDashboardTrendArgs = {TENANT: string, 'API-KEY': string, start_date?: (string | null) | undefined, end_date?: (string | null) | undefined, timezone: string, provider_ids?: (string | null) | undefined, location_ids?: (string | null) | undefined, group_by?: string | undefined, breakdown?: string | undefined, by_location?: boolean | undefined};

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

export const appointmentTrendSeries = z.object({mode: z.enum(["appointment_volume", "new_appointments_percentage"]), locationId: z.string().nullable().optional(), locationName: z.string().nullable().optional(), scheduledCount: z.number().int().nullable().optional(), bookedCount: z.number().int().nullable().optional(), cancelledNoShowCount: z.number().int().nullable().optional(), newServicesCount: z.number().int().nullable().optional(), existingServicesCount: z.number().int().nullable().optional(), percentageOfNewServices: z.number().nullable().optional()});

export const appointmentTrendByDate = z.object({date: z.string(), series: z.array(appointmentTrendSeries)});

export const getApiAppointmentDashboardTrendResponse = z.array(appointmentTrendByDate);

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 Appointment Trend
 * 
 * GET /appointment-dashboard/trend
 */
export const getApiAppointmentDashboardTrend = async (args: GetApiAppointmentDashboardTrendArgs, options: GetApiAppointmentDashboardTrendOptions) => {
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']))
if (args.start_date != null) query.append("start_date", String(args.start_date))
if (args.end_date != null) query.append("end_date", String(args.end_date))
if (args.timezone != null) query.append("timezone", String(args.timezone))
if (args.provider_ids != null) query.append("provider_ids", String(args.provider_ids))
if (args.location_ids != null) query.append("location_ids", String(args.location_ids))
if (args.group_by != null) query.append("group_by", String(args.group_by))
if (args.breakdown != null) query.append("breakdown", String(args.breakdown))
if (args.by_location != null) query.append("by_location", String(args.by_location))

const url = `${baseUrl.replace(/\/+$/, '')}/appointment-dashboard/trend${query.size > 0 ? `?${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(getApiAppointmentDashboardTrendResponse, await res.json())
};