import {z} from 'zod'

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

export const currency = z.string();

export const paycheckAttributes = z.object({status: z.enum(["ESTIMATED", "PROCESSING", "IN_TRANSIT", "DEPOSITED"]), pay_period_ends_at: z.string(), pay_period_starts_at: z.string(), deposit_expected_at: z.string(), total_debited: z.number().int().gte(0).nullable(), gross_earnings: z.number().int(), employer_withholdings: z.number().int().nullable(), net_earnings: z.number().int().nullable(), currency: currency});

export const paycheckLink = z.string();

export const paycheckLinks = z.object({self: paycheckLink});

export const personIdentifier = z.object({type: z.literal("people"), id: z.string()});

export const personRelationship = z.object({data: personIdentifier});

export const jobIdentifier = z.object({type: z.literal("jobs"), id: z.string()});

export const jobRelationship = z.object({data: jobIdentifier});

export const paycheckRelationships = z.object({person: personRelationship, job: jobRelationship});

export const paycheckResource = z.object({type: z.literal("paychecks"), id: z.string(), attributes: paycheckAttributes, links: paycheckLinks, relationships: paycheckRelationships});

export const paycheckData = z.object({data: paycheckResource});

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
};

/**
 * Get a Paycheck object
 * 
 * GET /rest/paychecks/{paycheck_id}
 */
export const getApiRestPaychecksPaycheckId = async (options?: GetApiRestPaychecksPaycheckIdOptions) => {
const {baseUrl = "https://api.dailypay.com", fetch: fetchFn = fetch, oauthUserToken} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/rest/paychecks/${encodeURIComponent(String(args.paycheck_id))}${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(paycheckData, await res.json())
};