import {z} from 'zod'

export type GetApiJobsIdArgs = {id: string};

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

export const valueWithCurrency = z.object({Value: z.number().nullable().optional(), CurrencyCode: z.string().max(50).nullable().optional(), CurrencySymbol: z.string().max(3).nullable().optional()});

export const linkModel = z.object({Ref: z.string().max(1000).nullable().optional(), Href: z.string().max(2000).nullable().optional()});

export const jobModel = z.object({EmployeeId: z.string().min(1).max(36), JobTitle: z.string().max(100).nullable().optional(), Classification: z.string().max(50).nullable().optional(), StartDate: z.string(), EndDate: z.string().nullable().optional(), WorkingCalendar: z.string().max(50).nullable().optional(), LineManagerId: z.string().max(36).nullable().optional(), HierarchyNodeId: z.string().max(36).nullable().optional(), Active: z.boolean().optional(), Salary: z.number().nullable().optional(), SalaryWithCurrency: valueWithCurrency.optional(), Contract: z.string().max(50).nullable().optional(), PayFrequency: z.string().max(50).nullable().optional(), PayBasis: z.string().max(50).nullable().optional(), FullTimeEquivalent: z.number().nullable().optional(), Position: z.string().max(200).nullable().optional(), PositionId: z.string().max(36).nullable().optional(), ChangeReason: z.string().max(50).nullable().optional(), PublicHolidayId: z.string().max(36).nullable().optional(), PublicHoliday: z.string().max(50).nullable().optional(), WorkingPatternId: z.string().max(50).nullable().optional(), PayGrade: z.string().max(50).nullable().optional(), SpinalPoint: z.number().int().nullable().optional(), NextIncrementDate: z.string().nullable().optional(), TimesheetLocation: z.string().max(50).nullable().optional(), TimesheetRuleSet: z.string().max(50).nullable().optional(), TimesheetLunchDuration: z.string().nullable().optional(), AutoEnrolmentProfile: z.string().max(200).nullable().optional(), ExpenseSubmissionFrequency: z.string().max(50).nullable().optional(), CostCentre: z.string().max(50).nullable().optional(), JobFamily: z.string().max(50).nullable().optional(), ApprenticeUnder25: z.boolean().nullable().optional(), ApprenticeshipEndDate: z.string().nullable().optional(), ContractEndDate: z.string().nullable().optional(), ReportsToPost: z.string().max(200).nullable().optional(), NormalHours: z.number().nullable().optional(), RealTimeInformationIrregularFrequency: z.string().max(50).nullable().optional(), NoticePeriod: z.string().max(50).nullable().optional(), SourceSystemId: z.string().max(36).nullable().optional(), SourceSystemCreatedOn: z.string().nullable().optional(), SourceSystemLastModifiedOn: z.string().nullable().optional(), Links: z.array(linkModel).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()});

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 Job referenced by an ID.
 * 
 * GET /jobs/{id}
 */
export const getApiJobsId = async (args: GetApiJobsIdArgs, options?: GetApiJobsIdOptions) => {
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 (Bearer !== undefined) headers.set('authorization', `Bearer ${Bearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/jobs/${encodeURIComponent(String(args.id))}${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(jobModel, await res.json())
};