import {z} from 'zod'

export type ReclaimEventType = 'USER' | 'SYNC' | 'HABIT_ASSIGNMENT' | 'SMART_HABIT' | 'ONE_ON_ONE_ASSIGNMENT' | 'SMART_MEETING' | 'TASK_ASSIGNMENT' | 'CONF_BUFFER' | 'TRAVEL_BUFFER' | 'SCHEDULING_LINK_MEETING' | 'UNKNOWN' | 'FOCUS';

export type GetApiApiTimeschemesFilterByFeatureArgs = {userId: string, feature: ReclaimEventType};

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

export const timePolicyType = z.enum(["WORK", "PERSONAL", "MEETING", "ONE_OFF", "INHERITED", "CUSTOM"]);

export const dayOfWeek = z.enum(["MONDAY", "TUESDAY", "WEDNESDAY", "THURSDAY", "FRIDAY", "SATURDAY", "SUNDAY"]);

export const localTimeInterval = z.object({start: z.string(), end: z.string(), duration: z.string().optional()});

export const dayHours = z.object({intervals: z.array(localTimeInterval), startOfDay: z.string().nullable().optional(), endOfDay: z.string().nullable().optional()});

export const timePolicy = z.object({startOfWeek: dayOfWeek.optional(), endOfWeek: dayOfWeek.optional(), dayHours: z.object({MONDAY: dayHours.optional(), TUESDAY: dayHours.optional(), WEDNESDAY: dayHours.optional(), THURSDAY: dayHours.optional(), FRIDAY: dayHours.optional(), SATURDAY: dayHours.optional(), SUNDAY: dayHours.optional()})});

export const reclaimEventType = z.enum(["USER", "SYNC", "HABIT_ASSIGNMENT", "SMART_HABIT", "ONE_ON_ONE_ASSIGNMENT", "SMART_MEETING", "TASK_ASSIGNMENT", "CONF_BUFFER", "TRAVEL_BUFFER", "SCHEDULING_LINK_MEETING", "UNKNOWN", "FOCUS"]);

export const basicTimeSchemeView = z.object({id: z.string(), userId: z.string(), policyType: timePolicyType, policy: timePolicy, title: z.string(), features: z.array(reclaimEventType)});

export const getApiApiTimeschemesFilterByFeatureResponse = z.array(basicTimeSchemeView);

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 /api/timeschemes/filter-by-feature
 */
export const getApiApiTimeschemesFilterByFeature = async (args: GetApiApiTimeschemesFilterByFeatureArgs, options: GetApiApiTimeschemesFilterByFeatureOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.userId != null) query.append("userId", String(args.userId))
if (args.feature != null) query.append("feature", String(args.feature))

const url = `${baseUrl.replace(/\/+$/, '')}/api/timeschemes/filter-by-feature${query.size > 0 ? `?${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(getApiApiTimeschemesFilterByFeatureResponse, await res.json())
};