import {z} from 'zod'

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

export const schedulePatternShape = z.enum(["singleWeek", "oddEvenWeeks"]);

export const dayOffType = z.enum(["off", "partTime", "weeklyRest"]);

export const dayPosition = z.enum(["firstHalf", "secondHalf", "fullDay"]);

export const duration = z.object({iso: z.string().optional(), unit: z.enum(["day", "hour"]).optional()});

export const schedulePatternShift = z.object({position: dayPosition, startsAt: z.string().nullable().optional(), duration: duration});

export const schedulePatternDay = z.object({id: z.number().int().gte(0), dayOffType: dayOffType.optional(), shifts: z.array(schedulePatternShift), workDuration: duration.optional()});

export const singleWeekPattern = z.object({shape: schedulePatternShape, monday: schedulePatternDay.optional(), tuesday: schedulePatternDay.optional(), wednesday: schedulePatternDay.optional(), thursday: schedulePatternDay.optional(), friday: schedulePatternDay.optional(), saturday: schedulePatternDay.optional(), sunday: schedulePatternDay.optional()});

export const oddEvenWeeksPattern = z.object({shape: schedulePatternShape, oddWeek: singleWeekPattern.optional(), evenWeek: singleWeekPattern.optional()});

export const collectiveSchedule = z.object({id: z.number().int().gte(0), workingTimeArrangementId: z.number().int().gte(0), startsOn: z.string().nullable().optional(), endsOn: z.string().nullable().optional(), pattern: z.union([singleWeekPattern, oddEvenWeeksPattern]), splitsHalfDays: z.boolean()});

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 a Collective Schedule from a Working Time Arrangement by id.
 * 
 * GET /schedule/api/working-time-arrangements/{workingTimeArrangementId}/collective-schedules/{collectiveScheduleId}
 */
export const getApiScheduleApiWorkingTimeArrangementsWorkingTimeArrangementIdCollectiveSchedulesCollectiveScheduleId = async (options?: GetApiScheduleApiWorkingTimeArrangementsWorkingTimeArrangementIdCollectiveSchedulesCollectiveScheduleIdOptions) => {
const {baseUrl = "https://example.ilucca.net", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/schedule/api/working-time-arrangements/${encodeURIComponent(String(args.workingTimeArrangementId))}/collective-schedules/${encodeURIComponent(String(args.collectiveScheduleId))}${query.size > 0 ? `?${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(collectiveSchedule, await res.json())
};