#!/usr/bin/env bun
/**
 * CHAT LAYOUT MODES TEST
 * =======================
 * Tests the 4 chat panel layout modes: Compact, Side panel, Floating, Full screen.
 * Verifies positioning, sizing, drag behavior, resize, and button state.
 */

import { chromium } from 'playwright';

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

async function testChatLayoutModes() {
  console.log('📐 CHAT LAYOUT MODES TEST\n');
  console.log('='.repeat(70));

  const browser = await chromium.launch({ headless: true });
  const page = await browser.newPage({ viewport: { width: 1920, height: 1080 } });

  let passed = 0;
  let failed = 0;

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

  // ======================================================================
  console.log("\n📋 Loading page...");
  await page.goto(`${URL}/?lang=en`);
  await page.waitForTimeout(2000);

  // Open chat panel
  await page.click('#chat-toggle-btn');
  await page.waitForTimeout(500);
  record('Chat panel opens', await page.locator('#chat-panel.chat-open').isVisible());

  // ======================================================================
  // 1. MODE BUTTONS EXIST
  // ======================================================================
  console.log("\n1️⃣  Mode Buttons");

  const modeButtons = await page.locator('.chat-mode-btn[data-mode]').count();
  record('4 mode buttons exist', modeButtons === 4, `found ${modeButtons}`);

  const helpBtn = await page.locator('.chat-mode-btn[command="show-modal"]').count();
  record('Help button exists', helpBtn === 1);

  const divider = await page.locator('.chat-header-divider').count();
  record('Divider between modes and help', divider === 1);

  // Check compact is active by default
  const compactActive = await page.locator('.chat-mode-btn[data-mode=""].active').count();
  record('Compact mode active by default', compactActive === 1);

  // ======================================================================
  // 2. COMPACT MODE (default)
  // ======================================================================
  console.log("\n2️⃣  Compact Mode");

  const compactBox = await page.locator('#chat-panel').boundingBox();
  record('Compact: has fixed width ~360px', compactBox && compactBox.width >= 340 && compactBox.width <= 380,
    `width=${compactBox?.width}`);
  record('Compact: positioned bottom-right', compactBox && compactBox.x > 1400 && compactBox.y > 300,
    `x=${compactBox?.x} y=${compactBox?.y}`);
  record('Compact: not full height', compactBox && compactBox.height < 600,
    `height=${compactBox?.height}`);

  // No special classes
  const hasHalf = await page.locator('#chat-panel.chat-half').count();
  const hasFull = await page.locator('#chat-panel.chat-full').count();
  const hasFloat = await page.locator('#chat-panel.chat-float').count();
  record('Compact: no size classes', hasHalf === 0 && hasFull === 0 && hasFloat === 0);

  // ======================================================================
  // 3. SIDE PANEL MODE
  // ======================================================================
  console.log("\n3️⃣  Side Panel Mode");

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

  const halfActive = await page.locator('.chat-mode-btn[data-mode="chat-half"].active').count();
  record('Side panel: button is active', halfActive === 1);

  const compactNotActive = await page.locator('.chat-mode-btn[data-mode=""].active').count();
  record('Side panel: compact button not active', compactNotActive === 0);

  const halfClass = await page.locator('#chat-panel.chat-half').count();
  record('Side panel: has chat-half class', halfClass === 1);

  const halfBox = await page.locator('#chat-panel').boundingBox();
  record('Side panel: ~50% viewport width', halfBox && halfBox.width >= 900 && halfBox.width <= 1000,
    `width=${halfBox?.width}`);
  record('Side panel: full height', halfBox && halfBox.height >= 1050,
    `height=${halfBox?.height}`);
  record('Side panel: docked to right (x ~960)', halfBox && halfBox.x >= 920 && halfBox.x <= 1000,
    `x=${halfBox?.x}`);
  record('Side panel: starts at top', halfBox && halfBox.y === 0,
    `y=${halfBox?.y}`);

  // Messages area should expand
  const halfMsgBox = await page.locator('#chat-panel .chat-messages').boundingBox();
  record('Side panel: messages area expanded', halfMsgBox && halfMsgBox.height > 400,
    `height=${halfMsgBox?.height}`);

  // ======================================================================
  // 4. FULL SCREEN MODE
  // ======================================================================
  console.log("\n4️⃣  Full Screen Mode");

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

  const fullActive = await page.locator('.chat-mode-btn[data-mode="chat-full"].active').count();
  record('Full screen: button is active', fullActive === 1);

  const fullClass = await page.locator('#chat-panel.chat-full').count();
  record('Full screen: has chat-full class', fullClass === 1);

  const fullBox = await page.locator('#chat-panel').boundingBox();
  record('Full screen: covers full width', fullBox && fullBox.width >= 1900,
    `width=${fullBox?.width}`);
  record('Full screen: covers full height', fullBox && fullBox.height >= 1050,
    `height=${fullBox?.height}`);
  record('Full screen: starts at 0,0', fullBox && fullBox.x === 0 && fullBox.y === 0,
    `x=${fullBox?.x} y=${fullBox?.y}`);

  // Messages area should be large
  const fullMsgBox = await page.locator('#chat-panel .chat-messages').boundingBox();
  record('Full screen: messages area large', fullMsgBox && fullMsgBox.height > 700,
    `height=${fullMsgBox?.height}`);

  // ======================================================================
  // 5. FLOATING MODE
  // ======================================================================
  console.log("\n5️⃣  Floating Mode");

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

  const floatActive = await page.locator('.chat-mode-btn[data-mode="chat-float"].active').count();
  record('Floating: button is active', floatActive === 1);

  const floatClass = await page.locator('#chat-panel.chat-float').count();
  record('Floating: has chat-float class', floatClass === 1);

  const floatBox = await page.locator('#chat-panel').boundingBox();
  record('Floating: ~420px wide', floatBox && floatBox.width >= 400 && floatBox.width <= 440,
    `width=${floatBox?.width}`);
  record('Floating: has reasonable height', floatBox && floatBox.height >= 200 && floatBox.height <= 800,
    `height=${floatBox?.height}`);

  // ======================================================================
  // 6. FLOATING DRAG
  // ======================================================================
  console.log("\n6️⃣  Floating Drag");

  const header = await page.locator('#chat-panel .chat-header').boundingBox();
  const startX = header.x + header.width / 2;
  const startY = header.y + header.height / 2;

  // Drag 200px left and 100px up
  await page.mouse.move(startX, startY);
  await page.mouse.down();
  await page.mouse.move(startX - 200, startY - 100, { steps: 10 });
  await page.mouse.up();
  await page.waitForTimeout(200);

  const draggedBox = await page.locator('#chat-panel').boundingBox();
  const movedX = Math.abs((draggedBox.x + draggedBox.width / 2) - (floatBox.x + floatBox.width / 2));
  const movedY = Math.abs((draggedBox.y + draggedBox.height / 2) - (floatBox.y + floatBox.height / 2));
  record('Drag: panel moved horizontally', movedX > 150, `delta=${Math.round(movedX)}px`);
  record('Drag: panel moved vertically', movedY > 60, `delta=${Math.round(movedY)}px`);

  // ======================================================================
  // 7. SWITCH BACK TO COMPACT
  // ======================================================================
  console.log("\n7️⃣  Return to Compact");

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

  const backCompact = await page.locator('.chat-mode-btn[data-mode=""].active').count();
  record('Back to compact: button active', backCompact === 1);

  const noFloat = await page.locator('#chat-panel.chat-float').count();
  const noHalf = await page.locator('#chat-panel.chat-half').count();
  const noFull = await page.locator('#chat-panel.chat-full').count();
  record('Back to compact: no size classes', noFloat === 0 && noHalf === 0 && noFull === 0);

  const backBox = await page.locator('#chat-panel').boundingBox();
  record('Back to compact: width restored ~360px', backBox && backBox.width >= 340 && backBox.width <= 380,
    `width=${backBox?.width}`);
  record('Back to compact: position restored (bottom-right)', backBox && backBox.x > 1400,
    `x=${backBox?.x}`);

  // ======================================================================
  // 8. RAPID MODE SWITCHING
  // ======================================================================
  console.log("\n8️⃣  Rapid Mode Switching");

  const modes = ['chat-half', 'chat-full', 'chat-float', '', 'chat-full', 'chat-half', ''];
  for (const mode of modes) {
    await page.click(`.chat-mode-btn[data-mode="${mode}"]`);
    await page.waitForTimeout(200);
  }

  // Should end in compact
  const finalCompact = await page.locator('.chat-mode-btn[data-mode=""].active').count();
  record('Rapid switching: ends in compact', finalCompact === 1);

  const finalBox = await page.locator('#chat-panel').boundingBox();
  record('Rapid switching: panel is valid size', finalBox && finalBox.width > 100 && finalBox.height > 100,
    `${finalBox?.width}x${finalBox?.height}`);

  const finalNoClasses = await page.evaluate(() => {
    const p = document.getElementById('chat-panel');
    return !p.classList.contains('chat-half') && !p.classList.contains('chat-full') && !p.classList.contains('chat-float');
  });
  record('Rapid switching: no stale classes', finalNoClasses);

  // ======================================================================
  // 9. USER AVATAR
  // ======================================================================
  console.log("\n9️⃣  User Avatar in Messages");

  // Type a message manually
  await page.fill('#chat-input', 'Hello');
  await page.click('.chat-send-btn');
  await page.waitForTimeout(500);

  const userBubble = await page.locator('.chat-row-user').last();
  const hasAvatar = await userBubble.locator('.chat-avatar-user').count();
  record('User message has avatar', hasAvatar === 1);

  const avatarIcon = await userBubble.locator('iconify-icon[icon="mdi:account"]').count();
  record('Avatar has user icon', avatarIcon === 1);

  // ======================================================================
  // 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);
}

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