import {z} from 'zod'

export type GetApiCalendarEmployeesEmployeeIdArgs = {employeeId: string, startDate: string, endDate: string, publicHolidays?: boolean | undefined, workingPatterns?: boolean | undefined, workingPatternOverrides?: boolean | undefined, absences?: boolean | undefined, ignoreShowOnCalendar?: boolean | undefined};

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

export const dayPart = z.enum(["AM", "PM", "AllDay", "None"]);

export const employeeCalendarDayAbsenceDay = z.object({Id: z.string().max(36).nullable().optional(), AbsenceId: z.string().nullable().optional(), AbsenceReasonId: z.string().max(36).nullable().optional(), AbsenceReasonParentName: z.string().max(50).nullable().optional(), EmployeeId: z.string().nullable().optional(), DurationDays: z.number().optional(), DurationMinutes: z.number().int().nullable().optional(), DayPart: dayPart.optional()});

export const employeeCalendarDay = z.object({Date: z.string().optional(), DurationDays: z.number().optional(), DurationMinutes: z.number().int().optional(), WorkingStartTime: z.string().nullable().optional(), WorkingEndTime: z.string().nullable().optional(), WorkingDayPart: dayPart.optional(), IsPublicHoliday: z.boolean().optional(), PublicHolidayDescription: z.string().max(50).nullable().optional(), PublicHolidayId: z.string().max(36).nullable().optional(), WorkingPatternId: z.string().max(36).nullable().optional(), WorkingPatternOverrideId: z.string().max(36).nullable().optional(), AbsenceDays: z.array(employeeCalendarDayAbsenceDay).nullable().optional()});

export const employeeCalendarModel = z.object({EmployeeId: z.string().max(36).nullable().optional(), StartDate: z.string().optional(), EndDate: z.string().optional(), SourceSystemId: z.string().max(36).nullable().optional(), SourceSystemCreatedOn: z.string().nullable().optional(), SourceSystemLastModifiedOn: z.string().nullable().optional(), Days: z.array(employeeCalendarDay).nullable().optional(), Id: z.string().max(36).nullable().optional(), CreatedOn: z.string().optional(), CreatedBy: z.string().max(36).nullable().optional(), LastModifiedOn: z.string().nullable().optional(), LastModifiedBy: z.string().max(36).nullable().optional(), Messages: z.array(z.string()).nullable().optional()});

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
};

/**
 * Gets a single Employee Calendar referenced by Employee ID.
 * 
 * GET /calendar/employees/{employeeId}
 */
export const getApiCalendarEmployeesEmployeeId = async (args: GetApiCalendarEmployeesEmployeeIdArgs, options?: GetApiCalendarEmployeesEmployeeIdOptions) => {
const {baseUrl = "https://api.iris.co.uk/hr/v2", fetch: fetchFn = fetch, Bearer} = options ?? {}

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

if (args.startDate != null) query.append("startDate", String(args.startDate))
if (args.endDate != null) query.append("endDate", String(args.endDate))
if (args.publicHolidays != null) query.append("publicHolidays", String(args.publicHolidays))
if (args.workingPatterns != null) query.append("workingPatterns", String(args.workingPatterns))
if (args.workingPatternOverrides != null) query.append("workingPatternOverrides", String(args.workingPatternOverrides))
if (args.absences != null) query.append("absences", String(args.absences))
if (args.ignoreShowOnCalendar != null) query.append("ignoreShowOnCalendar", String(args.ignoreShowOnCalendar))
if (Bearer !== undefined) headers.set('authorization', `Bearer ${Bearer}`)

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