import {z} from 'zod'

export type GetApiV2ContactsUnsubscribedSinceDateArgs = {date: string, select?: number | undefined, skip?: number | undefined};

export type GetApiV2ContactsUnsubscribedSinceDateOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const apiContactOptInTypes = z.enum(["Unknown", "Single", "Double", "VerifiedDouble", "NotAvailableInThisVersion"]);

export const apiContactEmailTypes = z.enum(["PlainText", "Html", "NotAvailableInThisVersion"]);

export const apiContactData = z.object({key: z.string().nullable().optional(), value: z.unknown()});

export const apiContactStatuses = z.enum(["Subscribed", "Unsubscribed", "SoftBounced", "HardBounced", "IspComplained", "MailBlocked", "PendingOptIn", "DirectComplaint", "Deleted", "SharedSuppression", "Suppressed", "NotAllowed", "DomainSuppression", "NoMxRecord", "NotAvailableInThisVersion"]);

export const apiContact = z.object({id: z.number().int().optional(), email: z.string().min(1), optInType: apiContactOptInTypes.nullable().optional(), emailType: apiContactEmailTypes.nullable().optional(), dataFields: z.array(apiContactData).nullable().optional(), status: apiContactStatuses.optional()});

export const apiContactSuppression = z.object({suppressedContact: apiContact.nullable().optional(), dateRemoved: z.string().optional(), reason: apiContactStatuses.optional()});

export const getApiV2ContactsUnsubscribedSinceDateResponse = z.array(apiContactSuppression);

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
};

/**
 * Gets a list of unsubscribed contacts who unsubscribed after a given date.
 * 
 * GET /v2/contacts/unsubscribed-since/{date}
 */
export const getApiV2ContactsUnsubscribedSinceDate = async (args: GetApiV2ContactsUnsubscribedSinceDateArgs, options?: GetApiV2ContactsUnsubscribedSinceDateOptions) => {
const {baseUrl = "https://api.dotdigital.com", fetch: fetchFn = fetch} = options ?? {}

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

if (args.select != null) query.append("select", String(args.select))
if (args.skip != null) query.append("skip", String(args.skip))

const url = `${baseUrl.replace(/\/+$/, '')}/v2/contacts/unsubscribed-since/${encodeURIComponent(String(args.date))}${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(getApiV2ContactsUnsubscribedSinceDateResponse, await res.json())
};