import {z} from 'zod'

export type OfferCreateSchema = {positionId: number, applicationId?: (number | null) | undefined, profileId: string};

export type CreateApiApiV2AtsOffersArgs = {Authorization: string, prefill?: boolean | undefined, body: OfferCreateSchema};

export type CreateApiApiV2AtsOffersOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const offerSchema = z.object({createdAt: z.number().int().nullable().optional(), stockVestingFrequency: z.string().nullable().optional(), versions: z.array(z.string()).nullable().optional(), payGradeExternalId: z.string().nullable().optional(), stockOptionsType: z.string().nullable().optional(), offerStatus: z.string().nullable().optional(), profileId: z.string().nullable().optional(), candidateAddress: z.string().nullable().optional(), currency: z.string().nullable().optional(), version: z.string().nullable().optional(), groupId: z.string().nullable().optional(), relocationBonus: z.number().nullable().optional(), jobTitle: z.string().nullable().optional(), workplaceType: z.enum(["remote_global", "remote_local", "hybrid", "onsite"]).nullable().optional(), displayOfferId: z.string().nullable().optional(), payGradeId: z.number().int().nullable().optional(), variableBonus: z.number().nullable().optional(), note: z.string().nullable().optional(), customInfo: z.object({}).nullable().optional(), jobLocation: z.string().nullable().optional(), bonusPayFrequency: z.string().nullable().optional(), joiningDate: z.string().nullable().optional(), offerId: z.number().int().nullable().optional(), templateId: z.number().int().nullable().optional(), countryCode: z.string().nullable().optional(), offerLetter: z.object({}).nullable().optional(), stockOptionsDescription: z.string().nullable().optional(), candidateEmail: z.string().nullable().optional(), visaType: z.string().nullable().optional(), isPeopleManagerRole: z.boolean().nullable().optional(), stockOptionsTotalVestingYears: z.number().int().nullable().optional(), isRehire: z.boolean().nullable().optional(), watchers: z.array(z.string()).nullable().optional(), updatedAt: z.number().int().nullable().optional(), salaryAmount: z.number().nullable().optional(), shiftAllowance: z.number().nullable().optional(), stockOptionsAmount: z.number().nullable().optional(), totalCompensation: z.number().nullable().optional(), createdBy: z.string().nullable().optional(), basePayFrequency: z.string().nullable().optional(), candidateFullName: z.string().nullable().optional(), joiningBonus: z.number().nullable().optional(), stockOptionsPercentageVesting: z.string().nullable().optional(), positionId: z.number().int().nullable().optional(), stockVestingStartDate: z.string().nullable().optional(), applicationId: z.number().int().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
};

/**
 * Create Offer
 * 
 * POST /api/v2/ats/offers
 */
export const createApiApiV2AtsOffers = async (args: CreateApiApiV2AtsOffersArgs, options?: CreateApiApiV2AtsOffersOptions) => {
const {baseUrl = "https://apiv2.eightfold.ai", fetch: fetchFn = fetch} = options ?? {}

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

if (args.Authorization != null) headers.set("Authorization", String(args.Authorization))
if (args.prefill != null) query.append("prefill", String(args.prefill))

const url = `${baseUrl.replace(/\/+$/, '')}/api/v2/ats/offers${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(offerSchema, await res.json())
};