// ==UserScript==
// @name         Instagram Story Reply Deleter
// @namespace    http://tampermonkey.net/
// @version      1.0
// @description  Automatically deletes all Instagram story replies
// @author       you
// @match        https://www.instagram.com/your_activity/interactions/story_replies*
// @grant        none
// ==/UserScript==

(function() {
  'use strict';

  const BATCH_SIZE = 6;
  const PAUSE_BETWEEN_BATCHES = 15000;
  const MAX_BATCHES = 10000;
  const STUCK_TIMEOUT = 20000;

  const sleep = (ms) => new Promise(resolve => setTimeout(resolve, ms));

  const saveProgress = (batchCount, totalDeleted) => {
    sessionStorage.setItem('ig_storyreply_running', 'true');
    sessionStorage.setItem('ig_storyreply_batch', batchCount);
    sessionStorage.setItem('ig_storyreply_total', totalDeleted);
  };

  const loadProgress = () => {
    return {
      running: sessionStorage.getItem('ig_storyreply_running') === 'true',
      batchCount: parseInt(sessionStorage.getItem('ig_storyreply_batch') || '0'),
      totalDeleted: parseInt(sessionStorage.getItem('ig_storyreply_total') || '0')
    };
  };

  const clearProgress = () => {
    sessionStorage.removeItem('ig_storyreply_running');
    sessionStorage.removeItem('ig_storyreply_batch');
    sessionStorage.removeItem('ig_storyreply_total');
  };

  const humanClick = (el) => {
    const rect = el.getBoundingClientRect();
    const x = rect.left + rect.width / 2;
    const y = rect.top + rect.height / 2;
    const eventOptions = {
      bubbles: true,
      cancelable: true,
      view: window,
      clientX: x,
      clientY: y,
      screenX: x,
      screenY: y,
      buttons: 1
    };
    el.dispatchEvent(new MouseEvent('mouseover', eventOptions));
    el.dispatchEvent(new MouseEvent('mouseenter', eventOptions));
    el.dispatchEvent(new MouseEvent('mousemove', eventOptions));
    el.dispatchEvent(new MouseEvent('mousedown', eventOptions));
    el.dispatchEvent(new MouseEvent('mouseup', eventOptions));
    el.dispatchEvent(new MouseEvent('click', eventOptions));
  };

  const findSelectButton = () => {
    return Array.from(document.querySelectorAll('[data-bloks-name="bk.components.Flexbox"]'))
      .find(el => {
        const style = el.getAttribute('style') || '';
        return el.textContent.trim() === 'Select' && style.includes('cursor: pointer');
      });
  };

  const findDeleteButton = () => {
    return Array.from(document.querySelectorAll('[data-bloks-name="bk.components.Flexbox"]'))
      .find(el => {
        const style = el.getAttribute('style') || '';
        return el.textContent.trim() === 'Delete' && style.includes('cursor: pointer');
      });
  };

  const findConfirmDeleteButton = () => {
    const nativeBtn = Array.from(document.querySelectorAll('button'))
      .find(el => el.textContent.trim() === 'Delete');
    if (nativeBtn) return nativeBtn;

    const bloksBtn = Array.from(document.querySelectorAll('[data-bloks-name="bk.components.Flexbox"]'))
      .find(el => {
        const style = el.getAttribute('style') || '';
        return el.textContent.trim() === 'Delete' && style.includes('cursor: pointer');
      });
    if (bloksBtn) return bloksBtn;

    return null;
  };

  const checkForErrorPopup = () => {
    const okBtn = Array.from(document.querySelectorAll('button'))
      .find(el => el.textContent.trim() === 'OK');
    if (okBtn) {
      console.log('⚠️ Error popup detected! Clicking OK and continuing...');
      humanClick(okBtn);
      return true;
    }
    return false;
  };

  const waitForSelectButton = async () => {
    const startTime = Date.now();
    console.log('⏳ Waiting for Select button...');

    while (true) {
      if (checkForErrorPopup()) {
        await sleep(3000);
      }

      const selectBtn = findSelectButton();
      if (selectBtn) return selectBtn;

      if (Date.now() - startTime > STUCK_TIMEOUT) {
        console.log('⚠️ Page stuck! Saving progress and refreshing...');
        return null;
      }

      const waited = Math.round((Date.now() - startTime) / 1000);
      console.log(`⏳ Still waiting for Select button... ${waited}s elapsed`);
      await sleep(1000);
    }
  };

  const getReplyRows = () => {
    return Array.from(document.querySelectorAll('[role="button"][data-bloks-name="bk.components.Flexbox"]'))
      .filter(el => {
        return el.getAttribute('aria-label') === 'Image with button';
      });
  };

  (async function deleteLoop() {
    await sleep(5000);

    const progress = loadProgress();
    let batchCount = progress.batchCount;
    let totalDeleted = progress.totalDeleted;

    if (progress.running) {
      console.log(`♻️ Resuming after page refresh — Batch ${batchCount + 1}, ${totalDeleted} deleted so far`);
    } else {
      console.log('🚀 Instagram Story Reply Deleter starting...');
    }

    while (batchCount < MAX_BATCHES) {
      console.log(`\n--- Batch ${batchCount + 1} | Total deleted so far: ${totalDeleted} ---`);

      if (checkForErrorPopup()) {
        await sleep(3000);
      }

      const selectBtn = await waitForSelectButton();

      if (!selectBtn) {
        saveProgress(batchCount, totalDeleted);
        console.log('Refreshing page, will auto-resume...');
        await sleep(1000);
        window.location.reload();
        return;
      }

      humanClick(selectBtn);
      console.log('✓ Clicked Select, waiting for UI...');
      await sleep(1500);

      if (checkForErrorPopup()) {
        await sleep(3000);
        continue;
      }

      const rows = getReplyRows();
      console.log(`📋 Found ${rows.length} reply rows in DOM`);
      if (rows.length === 0) {
        console.log('No reply rows found. All done!');
        clearProgress();
        break;
      }

      let selectedCount = 0;
      for (let row of rows) {
        if (selectedCount >= BATCH_SIZE) break;
        humanClick(row);
        selectedCount++;
        console.log(`  ☑️ Selected reply ${selectedCount}/${BATCH_SIZE}`);
        await sleep(300);
      }
      console.log(`✓ Selected ${selectedCount} replies, looking for Delete button...`);
      await sleep(1000);

      if (checkForErrorPopup()) {
        await sleep(3000);
        continue;
      }

      const deleteBtn = findDeleteButton();
      if (!deleteBtn) {
        console.log('Delete button not found. Dumping visible bloks buttons:');
        Array.from(document.querySelectorAll('[data-bloks-name="bk.components.Flexbox"]'))
          .forEach(el => {
            const t = el.textContent.trim();
            const s = el.getAttribute('style') || '';
            if (t && t.length < 30) console.log(`  "${t}" | style="${s.substring(0, 60)}"`);
          });
        clearProgress();
        break;
      }

      humanClick(deleteBtn);
      console.log('✓ Clicked Delete, waiting for confirmation popup...');
      await sleep(3000);

      if (checkForErrorPopup()) {
        await sleep(3000);
        continue;
      }

      let confirmed = false;
      for (let attempt = 0; attempt < 5; attempt++) {
        if (checkForErrorPopup()) {
          await sleep(3000);
          confirmed = true;
          break;
        }

        const confirmBtn = findConfirmDeleteButton();
        if (confirmBtn) {
          console.log(`✓ Found confirmation Delete button, clicking... (attempt ${attempt + 1})`);
          humanClick(confirmBtn);
          await sleep(2000);

          if (checkForErrorPopup()) {
            await sleep(3000);
            confirmed = true;
            break;
          }

          const stillThere = findConfirmDeleteButton();
          if (!stillThere) {
            console.log('✓ Popup dismissed successfully!');
            confirmed = true;
            break;
          } else {
            console.log('Popup still visible, retrying...');
          }
        } else {
          console.log(`Confirmation button not found (attempt ${attempt + 1}/5). Visible buttons:`);
          Array.from(document.querySelectorAll('button')).forEach(el => {
            const t = el.textContent.trim();
            if (t) console.log(`  button: "${t}"`);
          });
          await sleep(1000);
        }
      }

      if (!confirmed) {
        console.log('Could not dismiss confirmation popup. Stopping.');
        clearProgress();
        break;
      }

      totalDeleted += selectedCount;
      batchCount++;
      console.log(`\n✅ Batch ${batchCount} complete! Total deleted: ${totalDeleted}`);
      console.log(`⏳ Pausing ${PAUSE_BETWEEN_BATCHES / 1000}s before next batch...`);
      await sleep(PAUSE_BETWEEN_BATCHES);
    }

    console.log(`\n🎉 All done! Batches completed: ${batchCount}, Total deleted: ${totalDeleted}`);
    clearProgress();
  })();
})();