import {z} from 'zod'

export type GetApiBenefitsArgs = {employee?: string | undefined, company?: string | undefined, limit?: number | undefined, include_external?: boolean | undefined, id?: Array<string> | undefined};

export type GetApiBenefitsOptions = {baseUrl?: string | undefined, sec0?: string | undefined, fetch?: typeof fetch | undefined};

export const getApiBenefitsResponse = z.array(z.object({id: z.string().optional(), employee: z.string().optional(), benefit: z.string().optional(), company_benefit: z.unknown(), source: z.unknown(), period: z.unknown(), description: z.string().optional(), effective_start: z.string().optional(), effective_end: z.unknown(), company_contribution_amount: z.unknown(), company_contribution_percent: z.number().int().optional(), company_period_amount: z.unknown(), employee_contribution_amount: z.unknown(), employee_contribution_percent: z.number().int().optional(), employee_period_amount: z.unknown(), hsa_contribution_limit: z.unknown(), metadata: z.object({}).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
};

/**
 * List benefits
 * 
 * GET /benefits
 */
export const getApiBenefits = async (args: GetApiBenefitsArgs, options?: GetApiBenefitsOptions) => {
const {baseUrl = "https://sandbox.checkhq.com", fetch: fetchFn = fetch, sec0} = options ?? {}

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

if (args.employee != null) query.append("employee", String(args.employee))
if (args.company != null) query.append("company", String(args.company))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.include_external != null) query.append("include_external", String(args.include_external))
for (const item of args.id ?? []) query.append("id", String(item))
if (sec0 !== undefined) headers.set("Authorization", sec0)

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