type Slack = {

  token: string;

};

type Base64 = string

export async function main(

  slack: Slack,

  channel: string,

  screenshot: Base64,

  app_path: string,

  kind: 'pdf' | 'png',

) {

  const formData = new FormData();

  formData.append("token", slack.token);

  formData.append("file", new Blob([Buffer.from(screenshot, "base64")], {

    type: kind === "pdf" ? "application/pdf" : "image/png"

  }), "report." + kind);

  formData.append("channels", channel);

  const fullAppPath = Bun.env["WM_BASE_URL"] + '/apps/get/' + app_path + '?workspace=' + Bun.env["WM_WORKSPACE"]

  formData.append("initial_comment", "App report of " + " <" + fullAppPath + "|" + app_path + ">");

  return await (

    await fetch("https://slack.com/api/files.upload", {

      method: "POST",

      body: formData,

    })

  ).json();

}