import {z} from 'zod'

export type Ownership = 'Personal' | 'Organization';

export type PhoneType = 'Mobile' | 'Landline';

export type Phone = {Ownership?: Ownership | undefined, Type?: PhoneType | undefined, Value?: (string | null) | undefined};

export type Email = {Ownership?: Ownership | undefined, Value?: (string | null) | undefined};

export type Address = {Ownership?: Ownership | undefined, Address1?: (string | null) | undefined, Address2?: (string | null) | undefined, Address3?: (string | null) | undefined, Address4?: (string | null) | undefined, Address5?: (string | null) | undefined, PostCode?: (string | null) | undefined};

export type CreateEmployeeCommand = {DisplayId?: (string | null) | undefined, TitleHonorific?: (string | null) | undefined, FirstName: string | null, KnownAs?: (string | null) | undefined, OtherName?: (string | null) | undefined, LastName: string | null, CostCentre?: (string | null) | undefined, NationalInsuranceNumber?: (string | null) | undefined, PayrollId?: (string | null) | undefined, TaxCode?: (string | null) | undefined, IncludeInPayroll?: (boolean | null) | undefined, EmploymentStartDate?: (string | null) | undefined, EmploymentLeftDate?: (string | null) | undefined, ContinuousServiceDate?: (string | null) | undefined, DateOfBirth?: (string | null) | undefined, LastWorkingDate?: (string | null) | undefined, Gender?: (string | null) | undefined, Ethnicity?: (string | null) | undefined, Nationality?: (string | null) | undefined, Religion?: (string | null) | undefined, LeaverReason?: (string | null) | undefined, MaritalStatus?: (string | null) | undefined, Phones?: (Array<Phone> | null) | undefined, Emails?: (Array<Email> | null) | undefined, Addresses?: (Array<Address> | null) | undefined, GenderIdentity?: (string | null) | undefined, WindowsUsername?: (string | null) | undefined, Initials?: (string | null) | undefined};

export type CreateApiEmployeesArgs = {body: CreateEmployeeCommand};

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

export const createdEntitiyResponseModel = z.object({id: z.string().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
};

/**
 * Creates a new Employee.
 * 
 * POST /employees
 */
export const createApiEmployees = async (args: CreateApiEmployeesArgs, options?: CreateApiEmployeesOptions) => {
const {baseUrl = "https://api.iris.co.uk/hr/v2", fetch: fetchFn = fetch, Bearer} = options ?? {}

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

if (Bearer !== undefined) headers.set('authorization', `Bearer ${Bearer}`)

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