import {z} from 'zod'

export type GetApiApiV3LeavesArgs = {paging: string, leaveAccountId?: Array<number> | undefined, date: string, 'leavePeriod.ownerId'?: Array<number> | undefined, 'leavePeriod.owner.departmentId'?: Array<number> | undefined, 'leavePeriod.owner.legalEntityId'?: Array<number> | undefined};

export type GetApiApiV3LeavesOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const leaveAccount = z.object({id: z.number().int().optional(), name: z.string().optional()});

export const leavePeriodLog = z.object({id: z.number().int().optional(), date: z.string().optional(), comment: z.string().optional(), status: z.union([z.literal(0), z.literal(2), z.literal(3), z.literal(4), z.literal(5)]).optional()});

export const leavePeriod = z.object({id: z.number().optional(), ownerId: z.number().optional(), isConfirmed: z.boolean().optional(), confirmationDate: z.string().nullable().optional(), attachmentId: z.string().nullable().optional(), leaves: z.array(z.object({})).optional(), logs: z.array(leavePeriodLog).optional()});

export const leave = z.object({id: z.string(), date: z.string(), isAm: z.boolean(), leaveAccountId: z.number().int(), leaveAccount: leaveAccount.optional(), leavePeriodId: z.number().int(), leavePeriod: leavePeriod.optional(), value: z.string().nullable().optional(), creationDate: z.string().optional(), isActive: z.boolean().optional(), cancellationDate: z.string().nullable().optional(), cancellationUserId: z.number().int().nullable().optional(), comment: z.string().optional()});

export const getApiApiV3LeavesResponse = z.object({data: z.object({items: z.array(leave).optional()}).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
};

/**
 * List leaves
 * 
 * GET /api/v3/leaves
 */
export const getApiApiV3Leaves = async (args: GetApiApiV3LeavesArgs, options?: GetApiApiV3LeavesOptions) => {
const {baseUrl = "https://example.ilucca.net", fetch: fetchFn = fetch} = options ?? {}

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

if (args.paging != null) query.append("paging", String(args.paging))
if (args.leaveAccountId != null) query.append("leaveAccountId", args.leaveAccountId.join(','))
if (args.date != null) query.append("date", String(args.date))
if (args['leavePeriod.ownerId'] != null) query.append("leavePeriod.ownerId", args['leavePeriod.ownerId'].join(','))
if (args['leavePeriod.owner.departmentId'] != null) query.append("leavePeriod.owner.departmentId", args['leavePeriod.owner.departmentId'].join(','))
if (args['leavePeriod.owner.legalEntityId'] != null) query.append("leavePeriod.owner.legalEntityId", args['leavePeriod.owner.legalEntityId'].join(','))

const url = `${baseUrl.replace(/\/+$/, '')}/api/v3/leaves${query.size > 0 ? `?${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(getApiApiV3LeavesResponse, await res.json())
};