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path: root/apps/extension/src/background.ts
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import { getEnv } from "./util";

const backendUrl =
  getEnv() === "development"
    ? "http://localhost:3000"
    : "https://supermemory.dhr.wtf";

chrome.runtime.onMessage.addListener((request, sender, sendResponse) => {
  if (request.type === "getJwt") {
    chrome.storage.local.get(["jwt"], ({ jwt }) => {
      sendResponse({ jwt });
    });

    return true;
  } else if (request.type === "urlChange") {
    const content = request.content;
    const url = request.url;

    (async () => {
      chrome.storage.local.get(["jwt"], ({ jwt }) => {
        if (!jwt) {
          console.error("No JWT found");
          return;
        }
        fetch(`${backendUrl}/api/store`, {
          method: "POST",
          headers: {
            Authorization: `Bearer ${jwt}`,
          },
          body: JSON.stringify({ pageContent: content, url }),
        }).then((ers) => console.log(ers.status));
      });
    })();
  } else if (request.type === "queryApi") {
    const input = request.input;
    const jwt = request.jwt;

    (async () => {
      await fetch(`${backendUrl}/api/ask`, {
        method: "POST",
        headers: {
          Authorization: `Bearer ${jwt}`,
        },
        body: JSON.stringify({
          query: input,
        }),
      }).then(async (response) => {
        if (!response.body) {
          throw new Error("No response body");
        }
        if (!sender.tab?.id) {
          throw new Error("No tab ID");
        }
        const reader = response.body.getReader();
        // eslint-disable-next-line no-constant-condition
        while (true) {
          const { done, value } = await reader.read();
          if (done) break;
          // For simplicity, we're sending chunks as they come.
          // This might need to be adapted based on your data and needs.
          const chunkAsString = new TextDecoder("utf-8")
            .decode(value)
            .replace("data: ", "");
          chrome.tabs.sendMessage(sender.tab.id, {
            action: "streamData",
            data: chunkAsString,
          });
        }
        // Notify the content script that the stream is complete.
        chrome.tabs.sendMessage(sender.tab.id, { action: "streamEnd" });
      });
      // Indicate that sendResponse will be called asynchronously.
      return true;
    })();
  }
});