type Cloudflare = {

  token: string;

  email: string;

  key: string;

};

/**

 * Create Load Balancer

 * Create a new load balancer.

 */

export async function main(

  auth: Cloudflare,

  identifier: string,

  body: {

    adaptive_routing?: {

      failover_across_pools?: boolean;

      [k: string]: unknown;

    };

    country_pools?: { [k: string]: unknown };

    default_pools: string[];

    description?: string;

    fallback_pool: { [k: string]: unknown };

    location_strategy?: {

      mode?: "pop" | "resolver_ip";

      prefer_ecs?: "always" | "never" | "proximity" | "geo";

      [k: string]: unknown;

    };

    name: string;

    pop_pools?: { [k: string]: unknown };

    proxied?: boolean;

    random_steering?: {

      default_weight?: number;

      pool_weights?: { [k: string]: unknown };

      [k: string]: unknown;

    };

    region_pools?: { [k: string]: unknown };

    rules?: {

      condition?: string;

      disabled?: boolean;

      fixed_response?: {

        content_type?: string;

        location?: string;

        message_body?: string;

        status_code?: number;

        [k: string]: unknown;

      };

      name?: string;

      overrides?: {

        adaptive_routing?: {

          failover_across_pools?: boolean;

          [k: string]: unknown;

        };

        country_pools?: { [k: string]: unknown };

        default_pools?: string[];

        fallback_pool?: { [k: string]: unknown };

        location_strategy?: {

          mode?: "pop" | "resolver_ip";

          prefer_ecs?: "always" | "never" | "proximity" | "geo";

          [k: string]: unknown;

        };

        pop_pools?: { [k: string]: unknown };

        random_steering?: {

          default_weight?: number;

          pool_weights?: { [k: string]: unknown };

          [k: string]: unknown;

        };

        region_pools?: { [k: string]: unknown };

        session_affinity?: "none" | "cookie" | "ip_cookie" | "header" | '""';

        session_affinity_attributes?: {

          drain_duration?: number;

          headers?: string & string[];

          require_all_headers?: boolean;

          samesite?: "Auto" | "Lax" | "None" | "Strict";

          secure?: "Auto" | "Always" | "Never";

          zero_downtime_failover?: "none" | "temporary" | "sticky";

          [k: string]: unknown;

        };

        session_affinity_ttl?: number;

        steering_policy?:

          | "off"

          | "geo"

          | "random"

          | "dynamic_latency"

          | "proximity"

          | "least_outstanding_requests"

          | "least_connections"

          | '""';

        ttl?: number;

        [k: string]: unknown;

      };

      priority?: number;

      terminates?: boolean;

    }[];

    session_affinity?: "none" | "cookie" | "ip_cookie" | "header" | '""';

    session_affinity_attributes?: {

      drain_duration?: number;

      headers?: string & string[];

      require_all_headers?: boolean;

      samesite?: "Auto" | "Lax" | "None" | "Strict";

      secure?: "Auto" | "Always" | "Never";

      zero_downtime_failover?: "none" | "temporary" | "sticky";

      [k: string]: unknown;

    };

    session_affinity_ttl?: number;

    steering_policy?:

      | "off"

      | "geo"

      | "random"

      | "dynamic_latency"

      | "proximity"

      | "least_outstanding_requests"

      | "least_connections"

      | '""';

    ttl?: number;

    [k: string]: unknown;

  }

) {

  const url = new URL(

    `https://api.cloudflare.com/client/v4/zones/${identifier}/load_balancers`

  );

  const response = await fetch(url, {

    method: "POST",

    headers: {

      "X-AUTH-EMAIL": auth.email,

      "X-AUTH-KEY": auth.key,

      "Content-Type": "application/json",

      Authorization: "Bearer " + auth.token,

    },

    body: JSON.stringify(body),

  });

  if (!response.ok) {

    const text = await response.text();

    throw new Error(`${response.status} ${text}`);

  }

  return await response.json();

}