import { AtpAgent } from "@atproto/api";

export async function getTheme(agent: AtpAgent, did: string) {
  try {
    const response = await agent.com.atproto.repo.getRecord({
      repo: did,
      collection: "lol.skittr.actor.theme",
      rkey: "self",
    });
    return response.data;
  } catch (error: any) {
    if (error.error === "RecordNotFound" || error.error === "InvalidRequest") {
      // dummy record
      return {
        value: {
          $type: "lol.skittr.actor.theme",
          bg_color: "#9ae4e8",
          text_color: "#000000",
          link_color: "#0000ff",
          side_color: "#e0ff92",
          side_border: "#87bc44",
        },
      };
    }
    throw error;
  }
}

export async function getBackground(agent: AtpAgent, did: string, cid: string) {
  try {
    const response = await agent.com.atproto.sync.getBlob({
      did: did,
      cid: cid,
    });
    return response;
  } catch (error: any) {
    throw error;
  }
}

export async function getBackgroundBase64(agent: AtpAgent, did: string, cid: string) {
  const blob = await getBackground(agent, did, cid);
  const mimetype = blob.headers["content-type"] ?? "application/octet-stream";
  const base64 = Buffer.from(blob.data).toString("base64");
  return `data:${mimetype};base64,${base64}`;
}

// this code is incomplete
export async function loadTheme(agent: AtpAgent, did: string) {
  const theme = await getTheme(agent, did);
  const cid = (theme as any).value?.background?.ref?.$link;
  let bg = null;

  if (cid) {
    bg = await getBackgroundBase64(agent, did, cid);
  } else {
    bg = "../../../img/bg.gif";
  }

  return { theme, bg };
}

export async function putTheme(agent: AtpAgent, did: string, theme: any, bg?: any) {
  const { bg_color, text_color, link_color, side_color, side_border, repeat = false } = theme;
  const bgBuffer = Buffer.from(bg, "base64");
  let output = {};

  if (bg) {
    const blob = await agent.uploadBlob(bgBuffer);

    output = {
      $type: "lol.skittr.actor.theme",
      bg_color: bg_color,
      text_color: text_color,
      link_color: link_color,
      side_color: side_color,
      side_border: side_border,
      background: {
        $type: "blob",
        ref: blob.data.blob.ref,
        mimeType: blob.data.blob.mimeType,
        size: blob.data.blob.size,
      },
      repeat: repeat,
    };
  } else {
    output = {
      $type: "lol.skittr.actor.theme",
      bg_color: bg_color,
      text_color: text_color,
      link_color: link_color,
      side_color: side_color,
      side_border: side_border,
    };
  }

  const response = await agent.com.atproto.repo.putRecord({
    repo: did,
    collection: "lol.skittr.actor.theme",
    rkey: "self",
    record: output,
  });
  return response.data;
}