import {z} from 'zod'

export type PtoRequestType = number;

export type PtoRequestStatus = number;

export type GetApiPtoRequestsArgs = {UserId?: string | undefined, Type?: PtoRequestType | undefined, Status?: PtoRequestStatus | undefined, StartDateFrom?: string | undefined, StartDateTo?: string | undefined, ReviewedByUserId?: string | undefined, Query?: string | undefined, SortBy?: string | undefined, SortOrder?: string | undefined, Page?: (number | unknown) | undefined, Limit?: (number | unknown) | undefined};

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

export const userSummaryDto = z.object({id: z.string().optional(), email: z.string().optional(), firstName: z.string().nullable().optional(), lastName: z.string().nullable().optional(), displayName: z.string().nullable().optional(), type: z.string().optional(), roleId: z.string().nullable().optional(), roleName: z.string().nullable().optional()});

export const ptoRequestType = z.number().int();

export const ptoRequestStatus = z.number().int();

export const ptoRequestResponseDto = z.object({id: z.string().optional(), userId: z.string().optional(), user: userSummaryDto.nullable().optional(), type: ptoRequestType.optional(), startDate: z.string().optional(), endDate: z.string().optional(), totalHours: z.union([z.number(), z.string()]).optional(), notes: z.string().nullable().optional(), status: ptoRequestStatus.optional(), reviewedByUserId: z.string().nullable().optional(), reviewedByUser: userSummaryDto.nullable().optional(), reviewedAt: z.string().nullable().optional(), reviewNotes: z.string().nullable().optional(), createdAt: z.string().optional(), updatedAt: z.string().optional()});

export const ptoRequestListResponseDto = z.object({ptoRequests: z.array(ptoRequestResponseDto).optional(), totalCount: z.union([z.number().int(), z.string()]).optional(), pendingCount: z.union([z.number().int(), z.string()]).optional(), approvedCount: z.union([z.number().int(), z.string()]).optional(), deniedCount: z.union([z.number().int(), z.string()]).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
};

/**
 * Get a paginated and filtered list of PTO requests
 * 
 * GET /PtoRequests
 */
export const getApiPtoRequests = async (args: GetApiPtoRequestsArgs, options?: GetApiPtoRequestsOptions) => {
const {baseUrl = "https://api.clinicos.vet/backend/business", fetch: fetchFn = fetch, Bearer} = 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.Type != null) query.append("Type", String(args.Type))
if (args.Status != null) query.append("Status", String(args.Status))
if (args.StartDateFrom != null) query.append("StartDateFrom", String(args.StartDateFrom))
if (args.StartDateTo != null) query.append("StartDateTo", String(args.StartDateTo))
if (args.ReviewedByUserId != null) query.append("ReviewedByUserId", String(args.ReviewedByUserId))
if (args.Query != null) query.append("Query", String(args.Query))
if (args.SortBy != null) query.append("SortBy", String(args.SortBy))
if (args.SortOrder != null) query.append("SortOrder", String(args.SortOrder))
if (args.Page != null) query.append("Page", String(args.Page))
if (args.Limit != null) query.append("Limit", String(args.Limit))
if (Bearer !== undefined) headers.set('authorization', `Bearer ${Bearer}`)

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