//native

type Ably = {

  apiKey: string;

};

/**

 * Publish a message to a channel

 * Publish a message to the specified channel

 */

export async function main(

  auth: Ably,

  channel_id: string,

  format: "json" | "jsonp" | "msgpack" | "html" | undefined,

  X_Ably_Version: string,

  body: {

    name?: string;

    data?: string;

    id?: string;

    timestamp?: number;

    encoding?: string;

    clientId?: string;

    connectionId?: string;

    extras?: {

      push?: {

        data?: string;

        notification?: {

          title?: string;

          body?: string;

          icon?: string;

          sound?: string;

          collapseKey?: string;

        };

        apns?: {

          notification?: {

            title?: string;

            body?: string;

            icon?: string;

            sound?: string;

            collapseKey?: string;

          };

        };

        fcm?: {

          notification?: {

            title?: string;

            body?: string;

            icon?: string;

            sound?: string;

            collapseKey?: string;

          };

        };

        web?: {

          notification?: {

            title?: string;

            body?: string;

            icon?: string;

            sound?: string;

            collapseKey?: string;

          };

        };

      };

    };

  },

) {

  const url = new URL(`https://rest.ably.io/channels/${channel_id}/messages`);

  for (const [k, v] of [["format", format]]) {

    if (v !== undefined && v !== "" && k !== undefined) {

      url.searchParams.append(k, v);

    }

  }

  const response = await fetch(url, {

    method: "POST",

    headers: {

      "X-Ably-Version": X_Ably_Version,

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

      Authorization: "Bearer " + auth.apiKey,

    },

    body: JSON.stringify(body),

  });

  if (!response.ok) {

    const text = await response.text();

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

  }

  return await response.json();

}