import { DeviceDriver } from '../../drivers/types';
import { sleep, waitForElement, waitForSource } from './element.helper';

export async function ensureHomeTab(driver: DeviceDriver): Promise<void> {
  await driver.goBackToHomepage();
  await sleep(1000);
  if (driver.platform === 'android') {
    try {
      const homeTab = await driver.findElementRaw('accessibility id', 'Home');
      if (homeTab) { await driver.tapElement(homeTab); await sleep(1000); }
    } catch { /* element may be stale after navigation */ }
  } else {
    const homeTab = await driver.findElementRaw('predicate string', 'name BEGINSWITH "HomeScene"');
    if (homeTab) { await driver.tapElement(homeTab); await sleep(1000); }
  }
}

export async function navigateToAddPage(
  driver: DeviceDriver,
  type: 'Device' | 'Scene'
): Promise<boolean> {
  await driver.dismissPopupIfPresent();
  await ensureHomeTab(driver);
  await driver.dismissPopupIfPresent();

  if (driver.platform === 'android') {
    const addBtn = await driver.findElementRaw('id', 'com.theswitchbot.switchbot:id/addBto');
    if (!addBtn) { console.log('FAIL: addBto not found'); return false; }
    await driver.tapElement(addBtn);
    await sleep(1500);

    const menuText = type === 'Device' ? 'Add Device' : 'Add Scene';
    const menuEl = await driver.findElementRaw('-android uiautomator', `new UiSelector().text("${menuText}")`);
    if (!menuEl) { console.log(`FAIL: no ${menuText} in menu`); return false; }
    await driver.tapElement(menuEl);
    await sleep(3000);

    const src = await driver.getSource();
    if (type === 'Device') return src.includes('Bot') || src.includes('Add Device');
    return src.includes('Create Scene');
  }

  // iOS
  const addBtn = await driver.findElementRaw('name', 'Add');
  if (!addBtn) { console.log('FAIL: Add button not found'); return false; }

  if (type === 'Scene') {
    await driver.tapElement(addBtn);
    await sleep(1500);
    await driver.dismissPopupIfPresent();
    const addSceneEl = await driver.findElementRaw('name', 'Add Scene');
    if (!addSceneEl) { console.log('FAIL: no Add Scene'); return false; }
    const rect = await driver.getElementRect(addSceneEl);
    await driver.tap(rect.x + rect.width / 2, rect.y + rect.height / 2);
    const found = await waitForElement(driver, 'predicate string', 'name CONTAINS "Create Scene"', 8000);
    if (!found) { console.log('FAIL: Create Scene not loaded'); return false; }
    await driver.dismissPopupIfPresent();
    return true;
  }

  // iOS - Add Device
  const addRect = await driver.getElementRect(addBtn);
  for (let attempt = 0; attempt < 2; attempt++) {
    await driver.tap(addRect.x + addRect.width / 2, addRect.y + addRect.height / 2);
    await sleep(1500);
    const addDevice = await driver.findElementRaw('name', 'Add Device');
    if (addDevice) {
      const rect = await driver.getElementRect(addDevice);
      await driver.tap(rect.x + rect.width / 2, rect.y + rect.height / 2);
      return await waitForSource(driver, 'Add Device', 5000);
    }
  }
  console.log('FAIL: no Add Device in menu');
  return false;
}

export async function navigateToManageScenes(driver: DeviceDriver): Promise<boolean> {
  if (driver.platform === 'android') {
    await ensureHomeTab(driver);
    const moreBtn = await driver.findElementRaw('id', 'com.theswitchbot.switchbot:id/moreBto');
    if (!moreBtn) { console.log('FAIL: moreBto not found'); return false; }
    await driver.tapElement(moreBtn);
    await sleep(1500);

    const manageEl = await driver.findElementRaw('-android uiautomator', 'new UiSelector().text("Manage Scenes")');
    if (!manageEl) { console.log('FAIL: no Manage Scenes'); return false; }
    await driver.tapElement(manageEl);
    await sleep(2000);
    return true;
  }

  // iOS
  await driver.tap(347, 48);
  await sleep(1500);
  const manageEl = await driver.findElementRaw('name', 'Manage Scenes');
  if (!manageEl) { console.log('FAIL: no Manage Scenes'); return false; }
  await driver.tapElement(manageEl);
  await sleep(2000);
  return true;
}

export async function navigateThroughWizard(
  driver: DeviceDriver,
  buttonNames = ['Use now', 'Start Using', 'Done', 'Got it', 'OK', 'Skip', 'Next'],
  maxSteps = 10
): Promise<boolean> {
  if (driver.platform === 'android') {
    for (let i = 0; i < maxSteps; i++) {
      await sleep(1000);
      const src = await driver.getSource();
      if (!src.includes('Add Bot') && !src.includes('Added successfully') && !src.includes('Install')) {
        if (await driver.isOnHomepage()) return true;
      }
      let tapped = false;
      for (const btn of buttonNames) {
        try {
          const el = await driver.findElementRaw('-android uiautomator', `new UiSelector().text("${btn}")`);
          if (el) {
            await driver.tapElement(el);
            await sleep(2000);
            tapped = true;
            break;
          }
        } catch { /* stale element, continue */ }
      }
      if (!tapped) {
        await driver.goBack();
        await sleep(1000);
      }
    }
    return await driver.isOnHomepage();
  }

  // iOS
  for (let i = 0; i < maxSteps; i++) {
    const source = await driver.getSource();
    if (source.includes('XCUIElementTypeTabBar') && !source.includes('Add Bot')) return true;
    let tapped = false;
    for (const btn of buttonNames) {
      const el = await driver.findElementRaw('name', btn);
      if (el) { await driver.tapElement(el); await sleep(2000); tapped = true; break; }
    }
    if (!tapped) break;
  }
  return true;
}