import {z} from 'zod'

export type GetApiV1TimesheetsArgs = {page?: number | undefined, pageSize?: number | undefined, employeeIds?: Array<string> | undefined, status?: ('OPEN' | 'PARTIALLY_SUBMITTED' | 'SUBMITTED' | 'APPROVED' | 'REJECTED') | undefined, startDateFrom?: string | undefined, startDateTo?: string | undefined, memberName?: string | undefined, companyIds?: Array<string> | undefined, country?: string | undefined, sortBy?: ('startDate' | 'endDate' | 'updatedOn' | 'submittedOn' | 'approvedOn') | undefined, sortOrder?: ('ASC' | 'DESC') | undefined};

export type GetApiV1TimesheetsOptions = {baseUrl?: string | undefined, BearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const v1TimesheetsGetResponseTimesheet = z.object({timesheetId: z.string(), employeeId: z.string().optional(), startDate: z.string(), endDate: z.string(), status: z.enum(["OPEN", "PARTIALLY_SUBMITTED", "SUBMITTED", "APPROVED", "REJECTED", "UNKNOWN"]), totalDays: z.number().int().optional(), totalSubmittedDays: z.number().int().optional(), totalApprovedDays: z.number().int().optional(), totalRejectedDays: z.number().int().optional(), totalTimeInMinutes: z.number().int().optional(), submittedOn: z.string().optional(), approvedOn: z.string().optional(), updatedOn: z.string().optional()});

export const pagination = z.object({page: z.number().int(), pageSize: z.number().int(), totalCount: z.number().int(), totalPages: z.number().int()});

export const v1TimesheetsGetResponse = z.object({data: z.array(v1TimesheetsGetResponseTimesheet), pagination: pagination});

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 timesheets with filtering and pagination
 * 
 * GET /v1/timesheets
 */
export const getApiV1Timesheets = async (args: GetApiV1TimesheetsArgs, options?: GetApiV1TimesheetsOptions) => {
const {baseUrl = "https://api.usemultiplier.com", fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

if (args.page != null) query.append("page", String(args.page))
if (args.pageSize != null) query.append("pageSize", String(args.pageSize))
for (const item of args.employeeIds ?? []) query.append("employeeIds", String(item))
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.memberName != null) query.append("memberName", String(args.memberName))
for (const item of args.companyIds ?? []) query.append("companyIds", String(item))
if (args.country != null) query.append("country", String(args.country))
if (args.sortBy != null) query.append("sortBy", String(args.sortBy))
if (args.sortOrder != null) query.append("sortOrder", String(args.sortOrder))
if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/timesheets${query.size > 0 ? `?${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(v1TimesheetsGetResponse, await res.json())
};