import {z} from 'zod'

export type PersonUpdateData = {data: {type: 'people', id: string, attributes: {state_of_residence: string}}};

export type PatchApiRestPeoplePersonIdArgs = {body: PersonUpdateData};

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

export const personAttributes = z.object({disallow_reason: z.enum(["INACTIVE", "DELINQUENT", "BANNED", "null"]).nullable(), state_of_residence: z.string().max(2).optional(), products: z.object({dailypay_card: z.object({eligible: z.boolean(), enrolled: z.boolean()})})});

export const personLink = z.string();

export const personLinks = z.object({self: personLink});

export const personResource = z.object({type: z.literal("people"), id: z.string(), attributes: personAttributes, links: personLinks});

export const personData = z.object({data: personResource});

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
};

/**
 * Update a person
 * 
 * PATCH /rest/people/{person_id}
 */
export const patchApiRestPeoplePersonId = async (args: PatchApiRestPeoplePersonIdArgs, options?: PatchApiRestPeoplePersonIdOptions) => {
const {baseUrl = "https://api.dailypay.com", fetch: fetchFn = fetch, oauthUserToken} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/rest/people/${encodeURIComponent(String(args.person_id))}${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "PATCH", 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(personData, await res.json())
};