// File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.

import { APIResource } from 'cloudflare/resource';
import * as HealthchecksAPI from 'cloudflare/resources/healthchecks/healthchecks';
import * as PreviewsAPI from 'cloudflare/resources/healthchecks/previews';

export class Healthchecks extends APIResource {
  previews: PreviewsAPI.Previews = new PreviewsAPI.Previews(this._client);
}

export interface HealthchecksHealthchecks {
  /**
   * Identifier
   */
  id?: string;

  /**
   * The hostname or IP address of the origin server to run health checks on.
   */
  address?: string;

  /**
   * A list of regions from which to run health checks. Null means Cloudflare will
   * pick a default region.
   */
  check_regions?: Array<
    | 'WNAM'
    | 'ENAM'
    | 'WEU'
    | 'EEU'
    | 'NSAM'
    | 'SSAM'
    | 'OC'
    | 'ME'
    | 'NAF'
    | 'SAF'
    | 'IN'
    | 'SEAS'
    | 'NEAS'
    | 'ALL_REGIONS'
  > | null;

  /**
   * The number of consecutive fails required from a health check before changing the
   * health to unhealthy.
   */
  consecutive_fails?: number;

  /**
   * The number of consecutive successes required from a health check before changing
   * the health to healthy.
   */
  consecutive_successes?: number;

  created_on?: string;

  /**
   * A human-readable description of the health check.
   */
  description?: string;

  /**
   * The current failure reason if status is unhealthy.
   */
  failure_reason?: string;

  /**
   * Parameters specific to an HTTP or HTTPS health check.
   */
  http_config?: HealthchecksHealthchecks.HTTPConfig | null;

  /**
   * The interval between each health check. Shorter intervals may give quicker
   * notifications if the origin status changes, but will increase load on the origin
   * as we check from multiple locations.
   */
  interval?: number;

  modified_on?: string;

  /**
   * A short name to identify the health check. Only alphanumeric characters, hyphens
   * and underscores are allowed.
   */
  name?: string;

  /**
   * The number of retries to attempt in case of a timeout before marking the origin
   * as unhealthy. Retries are attempted immediately.
   */
  retries?: number;

  /**
   * The current status of the origin server according to the health check.
   */
  status?: 'unknown' | 'healthy' | 'unhealthy' | 'suspended';

  /**
   * If suspended, no health checks are sent to the origin.
   */
  suspended?: boolean;

  /**
   * Parameters specific to TCP health check.
   */
  tcp_config?: HealthchecksHealthchecks.TcpConfig | null;

  /**
   * The timeout (in seconds) before marking the health check as failed.
   */
  timeout?: number;

  /**
   * The protocol to use for the health check. Currently supported protocols are
   * 'HTTP', 'HTTPS' and 'TCP'.
   */
  type?: string;
}

export namespace HealthchecksHealthchecks {
  /**
   * Parameters specific to an HTTP or HTTPS health check.
   */
  export interface HTTPConfig {
    /**
     * Do not validate the certificate when the health check uses HTTPS.
     */
    allow_insecure?: boolean;

    /**
     * A case-insensitive sub-string to look for in the response body. If this string
     * is not found, the origin will be marked as unhealthy.
     */
    expected_body?: string;

    /**
     * The expected HTTP response codes (e.g. "200") or code ranges (e.g. "2xx" for all
     * codes starting with 2) of the health check.
     */
    expected_codes?: Array<string> | null;

    /**
     * Follow redirects if the origin returns a 3xx status code.
     */
    follow_redirects?: boolean;

    /**
     * The HTTP request headers to send in the health check. It is recommended you set
     * a Host header by default. The User-Agent header cannot be overridden.
     */
    header?: unknown | null;

    /**
     * The HTTP method to use for the health check.
     */
    method?: 'GET' | 'HEAD';

    /**
     * The endpoint path to health check against.
     */
    path?: string;

    /**
     * Port number to connect to for the health check. Defaults to 80 if type is HTTP
     * or 443 if type is HTTPS.
     */
    port?: number;
  }

  /**
   * Parameters specific to TCP health check.
   */
  export interface TcpConfig {
    /**
     * The TCP connection method to use for the health check.
     */
    method?: 'connection_established';

    /**
     * Port number to connect to for the health check. Defaults to 80.
     */
    port?: number;
  }
}

export namespace Healthchecks {
  export import HealthchecksHealthchecks = HealthchecksAPI.HealthchecksHealthchecks;
  export import Previews = PreviewsAPI.Previews;
}
