content.js

// ─────────── Logging ───────────
console.log("[auto-chatgpt] content.js loaded on", location.href);

// ─────────── PROMPTS ───────────
const PROMPT_1 = "Your first prompt goes here.";
const PROMPT_2 = "Your second prompt goes here.";

// ───────── helper: waitFor ─────────
function waitFor(selector, timeout = 30000) {
  return new Promise((resolve, reject) => {
    const start = Date.now();
    const iv = setInterval(() => {
      const el = document.querySelector(selector);
      if (el) {
        clearInterval(iv);
        console.log("[auto-chatgpt] Found", selector);
        return resolve(el);
      }
      if (Date.now() - start > timeout) {
        clearInterval(iv);
        return reject(new Error(`Timeout waiting for selector: ${selector}`));
      }
    }, 300);
  });
}

// ───────── helper: waitForId ─────────
function waitForId(id, timeout = 30000) {
  return new Promise((resolve, reject) => {
    const start = Date.now();
    const iv = setInterval(() => {
      const el = document.getElementById(id);
      if (el) {
        clearInterval(iv);
        console.log("[auto-chatgpt] Found #"+id);
        return resolve(el);
      }
      if (Date.now() - start > timeout) {
        clearInterval(iv);
        return reject(new Error(`Timeout waiting for #${id}`));
      }
    }, 300);
  });
}

// ───────── sendMessage ─────────
async function sendMessage(text) {
  console.log("[auto-chatgpt] Sending prompt:", text);

  // 1) Wait for the ProseMirror editor
  const editor = await waitFor("div[id='prompt-textarea']");
  console.log("[auto-chatgpt] Found editor");

  // 2) Focus and move the caret to the end
  editor.focus();
  const sel = window.getSelection();
  const range = document.createRange();
  range.selectNodeContents(editor);
  range.collapse(false);
  sel.removeAllRanges();
  sel.addRange(range);

  // 3) Insert the text as if typed
  document.execCommand("insertText", false, text);

  // 4) Wait for the submit button by ID, then click it
  const submitBtn = await waitForId("composer-submit-button");
  submitBtn.click();
  console.log("[auto-chatgpt] Clicked submit button");
}







// ───────── wait for response ─────────
function waitForResponseComplete(timeout = 60000) {
  return new Promise((resolve, reject) => {
    const container = document.querySelector("div.flex.flex-col.items-center");
    if (!container) return reject(new Error("Chat container not found"));

    const obs = new MutationObserver(() => {
      // spinner is an svg with animate-spin
      if (!container.querySelector("svg.animate-spin")) {
        obs.disconnect();
        console.log("[auto-chatgpt] Response complete");
        resolve();
      }
    });
    obs.observe(container, { childList: true, subtree: true });

    setTimeout(() => {
      obs.disconnect();
      reject(new Error("Timed out waiting for response to finish"));
    }, timeout);
  });
}

// ───────── run the two prompts ─────────
async function runPrompts() {
  try {
    console.log("[auto-chatgpt] runPrompts() starting");
    // this implicitly waits for the right input before sending
    await sendMessage(PROMPT_1);
    await waitForResponseComplete();
    await sendMessage(PROMPT_2);
    console.log("[auto-chatgpt] Done");
  } catch (err) {
    console.error("[auto-chatgpt] Error in runPrompts:", err);
  }
}


// ───────── trigger on load & SPA nav ─────────
function shouldRun() {
  // fire on any chat page
  return (
    location.host.includes("chatgpt.com") ||
    location.host.includes("openai.com")
  );
}

function hookSPA() {
  const origPush = history.pushState;
  history.pushState = function () {
    origPush.apply(this, arguments);
    window.dispatchEvent(new Event("locationchange"));
  };
  window.addEventListener("popstate", () =>
    window.dispatchEvent(new Event("locationchange"))
  );
  window.addEventListener("locationchange", () => {
    console.log("[auto-chatgpt] locationchange →", location.href);
    if (shouldRun()) runPrompts();
  });
}

window.addEventListener("load", () => {
  console.log("[auto-chatgpt] Window load:", location.href);
  hookSPA();
  if (shouldRun()) {
    runPrompts();
  }
});