#!/usr/bin/env bun
/**
 * CHAT MOBILE LAYOUT TEST
 * ========================
 * Tests that the chat widget behaves correctly on mobile viewports:
 * - Only Compact and Split modes available
 * - Desktop-only modes (side panel, floating, full) hidden
 * - CV always visible (no full takeover)
 * - Bottom sheet positioning
 * - Split mode: 50vh with CV visible above
 *
 * Tested viewports: iPhone SE (320x568), iPhone 14 (393x852), iPhone 14 Pro Max (430x932)
 */

import { chromium } from 'playwright';

const URL = "http://localhost:1999";

const VIEWPORTS = [
  { name: 'iPhone SE', width: 320, height: 568 },
  { name: 'iPhone 14', width: 393, height: 852 },
  { name: 'iPhone 14 Pro Max', width: 430, height: 932 },
];

async function testChatMobile() {
  console.log('📱 CHAT MOBILE LAYOUT TEST\n');
  console.log('='.repeat(70));

  const browser = await chromium.launch({ headless: true });

  let passed = 0;
  let failed = 0;

  function record(name, ok, detail = '') {
    ok ? passed++ : failed++;
    console.log(`   ${ok ? '✅' : '❌'} ${name}${detail ? ' — ' + detail : ''}`);
  }

  for (const vp of VIEWPORTS) {
    console.log(`\n📱 ${vp.name} (${vp.width}x${vp.height})`);
    console.log('-'.repeat(50));

    const page = await browser.newPage({ viewport: { width: vp.width, height: vp.height } });
    await page.goto(`${URL}/?lang=en`);
    await page.waitForTimeout(1500);

    // ================================================================
    // 1. TOGGLE BUTTON
    // ================================================================
    console.log(`\n  1️⃣  Toggle Button`);

    const btnVisible = await page.locator('#chat-toggle-btn').isVisible();
    record(`${vp.name}: toggle button visible`, btnVisible);

    const btnBox = await page.locator('#chat-toggle-btn').boundingBox();
    record(`${vp.name}: button within viewport`, btnBox && btnBox.x + btnBox.width <= vp.width,
      `right=${Math.round(btnBox?.x + btnBox?.width)}`);

    // ================================================================
    // 2. OPEN CHAT — COMPACT MODE
    // ================================================================
    console.log(`\n  2️⃣  Compact Mode (default)`);

    await page.evaluate(() => document.getElementById('chat-toggle-btn').click());
    await page.waitForTimeout(400);

    const panelVisible = await page.locator('#chat-panel.chat-open').isVisible();
    record(`${vp.name}: panel opens`, panelVisible);

    const panelBox = await page.locator('#chat-panel').boundingBox();
    record(`${vp.name}: full width`, panelBox && panelBox.width >= vp.width - 2,
      `width=${panelBox?.width}`);
    record(`${vp.name}: anchored to bottom`, panelBox && (panelBox.y + panelBox.height) >= vp.height - 2,
      `bottom=${Math.round(panelBox?.y + panelBox?.height)}`);
    record(`${vp.name}: max 55% viewport height`, panelBox && panelBox.height <= vp.height * 0.56,
      `height=${Math.round(panelBox?.height)} (max=${Math.round(vp.height * 0.55)})`);

    // CV is visible above chat
    const cvVisible = panelBox && panelBox.y > 50;
    record(`${vp.name}: CV visible above (y > 50px)`, cvVisible, `y=${Math.round(panelBox?.y)}`);

    // ================================================================
    // 3. HEADER BUTTONS — DESKTOP MODES HIDDEN
    // ================================================================
    console.log(`\n  3️⃣  Header Buttons`);

    const compactBtn = await page.locator('.chat-mode-btn[data-mode=""]').isVisible();
    record(`${vp.name}: compact button visible`, compactBtn);

    const splitBtn = await page.locator('.chat-mode-btn[data-mode="chat-split"]').isVisible();
    record(`${vp.name}: split button visible`, splitBtn);

    const halfHidden = await page.locator('.chat-mode-btn[data-mode="chat-half"]').isHidden();
    record(`${vp.name}: side panel button hidden`, halfHidden);

    const floatHidden = await page.locator('.chat-mode-btn[data-mode="chat-float"]').isHidden();
    record(`${vp.name}: floating button hidden`, floatHidden);

    const fullHidden = await page.locator('.chat-mode-btn[data-mode="chat-full"]').isHidden();
    record(`${vp.name}: full screen button hidden`, fullHidden);

    const helpVisible = await page.locator('.chat-mode-btn[command="show-modal"]').isVisible();
    record(`${vp.name}: help button visible`, helpVisible);

    // ================================================================
    // 4. SPLIT MODE — 50vh
    // ================================================================
    console.log(`\n  4️⃣  Split Mode`);

    await page.click('.chat-mode-btn[data-mode="chat-split"]');
    await page.waitForTimeout(400);

    const splitClass = await page.locator('#chat-panel.chat-split').count();
    record(`${vp.name}: has chat-split class`, splitClass === 1);

    const splitBox = await page.locator('#chat-panel').boundingBox();
    const expectedSplitH = vp.height * 0.5;
    record(`${vp.name}: split ~50vh height`,
      splitBox && Math.abs(splitBox.height - expectedSplitH) < 20,
      `height=${Math.round(splitBox?.height)} (expected ~${Math.round(expectedSplitH)})`);
    record(`${vp.name}: split anchored to bottom`,
      splitBox && (splitBox.y + splitBox.height) >= vp.height - 2,
      `bottom=${Math.round(splitBox?.y + splitBox?.height)}`);
    record(`${vp.name}: CV visible above split (top ~50%)`,
      splitBox && splitBox.y >= expectedSplitH - 20,
      `y=${Math.round(splitBox?.y)}`);
    record(`${vp.name}: split full width`, splitBox && splitBox.width >= vp.width - 2,
      `width=${splitBox?.width}`);

    // Messages area should expand
    const splitMsgBox = await page.locator('#chat-panel .chat-messages').boundingBox();
    record(`${vp.name}: split messages expanded`, splitMsgBox && splitMsgBox.height > 100,
      `height=${Math.round(splitMsgBox?.height)}`);

    // Split active button
    const splitActive = await page.locator('.chat-mode-btn[data-mode="chat-split"].active').count();
    record(`${vp.name}: split button is active`, splitActive === 1);

    // ================================================================
    // 5. BACK TO COMPACT
    // ================================================================
    console.log(`\n  5️⃣  Back to Compact`);

    await page.click('.chat-mode-btn[data-mode=""]');
    await page.waitForTimeout(400);

    const backBox = await page.locator('#chat-panel').boundingBox();
    record(`${vp.name}: compact restored`, backBox && backBox.height <= vp.height * 0.56,
      `height=${Math.round(backBox?.height)}`);

    const noSplit = await page.locator('#chat-panel.chat-split').count();
    record(`${vp.name}: no split class`, noSplit === 0);

    // ================================================================
    // 6. INPUT & SEND BUTTON FIT
    // ================================================================
    console.log(`\n  6️⃣  Input Area`);

    const inputBox = await page.locator('#chat-input').boundingBox();
    record(`${vp.name}: input within viewport`,
      inputBox && inputBox.x >= 0 && (inputBox.x + inputBox.width) <= vp.width,
      `x=${Math.round(inputBox?.x)} w=${Math.round(inputBox?.width)}`);

    const sendBox = await page.locator('.chat-send-btn').boundingBox();
    record(`${vp.name}: send button within viewport`,
      sendBox && (sendBox.x + sendBox.width) <= vp.width,
      `right=${Math.round(sendBox?.x + sendBox?.width)}`);

    // ================================================================
    // 7. CHIPS NOT OVERFLOWING
    // ================================================================
    console.log(`\n  7️⃣  Chips`);

    const chipsBox = await page.locator('.chat-suggestions').boundingBox();
    record(`${vp.name}: chips within viewport`,
      chipsBox && chipsBox.width <= vp.width,
      `width=${Math.round(chipsBox?.width)}`);

    await page.close();
  }

  // ======================================================================
  // DESKTOP SANITY CHECK — split button hidden, others visible
  // ======================================================================
  console.log(`\n🖥️  Desktop Sanity Check (1920x1080)`);
  console.log('-'.repeat(50));

  const desktopPage = await browser.newPage({ viewport: { width: 1920, height: 1080 } });
  await desktopPage.goto(`${URL}/?lang=en`);
  await desktopPage.waitForTimeout(1500);
  await desktopPage.evaluate(() => document.getElementById('chat-toggle-btn').click());
  await desktopPage.waitForTimeout(400);

  const dSplitHidden = await desktopPage.locator('.chat-mode-btn[data-mode="chat-split"]').isHidden();
  record('Desktop: split button hidden', dSplitHidden);

  const dHalfVisible = await desktopPage.locator('.chat-mode-btn[data-mode="chat-half"]').isVisible();
  record('Desktop: side panel button visible', dHalfVisible);

  const dFloatVisible = await desktopPage.locator('.chat-mode-btn[data-mode="chat-float"]').isVisible();
  record('Desktop: floating button visible', dFloatVisible);

  const dFullVisible = await desktopPage.locator('.chat-mode-btn[data-mode="chat-full"]').isVisible();
  record('Desktop: full screen button visible', dFullVisible);

  await desktopPage.close();

  // ======================================================================
  // SUMMARY
  // ======================================================================
  console.log('\n' + '='.repeat(70));
  console.log(`\n📊 RESULTS: ${passed} passed, ${failed} failed, ${passed + failed} total`);

  if (failed > 0) {
    console.log('\n❌ SOME TESTS FAILED');
  } else {
    console.log('\n✅ ALL TESTS PASSED');
  }

  await browser.close();
  process.exit(failed > 0 ? 1 : 0);
}

testChatMobile().catch(err => {
  console.error('Fatal error:', err);
  process.exit(1);
});