import { DeviceDriver } from '../../drivers/types';
import { sleep, waitForElement, waitForSource } from './element.helper';
import { ensureHomeTab, navigateToAddPage, navigateToManageScenes, dismissGuideOverlay, dismissSaveConfirmCancel } from './navigation.helper';

export interface SceneConfig {
  name: string;
  deviceKeyword: string;
  action: string;
}

export async function createScene(driver: DeviceDriver, config: SceneConfig): Promise<boolean> {
  const { name, deviceKeyword, action } = config;

  const opened = await navigateToAddPage(driver, 'Scene');
  if (!opened) return false;
  await dismissGuideOverlay(driver); // 首进场景页可能有引导浮层,挡住 Add action

  if (driver.platform === 'android') {
    const addAction = await driver.findElementRaw('-android uiautomator', 'new UiSelector().textContains("Add action")');
    if (!addAction) { console.log('FAIL: no Add action'); return false; }
    await driver.tapElement(addAction);
    await sleep(2000);

    const smartDevices = await driver.findElementRaw('-android uiautomator', 'new UiSelector().text("Smart Devices")');
    if (!smartDevices) { console.log('FAIL: no Smart Devices'); return false; }
    await driver.tapElement(smartDevices);

    // 找设备(滚动查找:设备列表较长,Bot 等靠后设备需下滑才可见)
    let deviceEl: string | null = null;
    for (let i = 0; i < 15 && !deviceEl; i++) {
      deviceEl = await driver.findElementRaw('-android uiautomator', `new UiSelector().textContains("${deviceKeyword}")`);
      if (!deviceEl) { await driver.scrollDown(400); await sleep(700); }
    }
    if (!deviceEl) { console.log(`FAIL: no ${deviceKeyword} in device list`); return false; }
    await driver.tapElement(deviceEl);
    await sleep(2000);

    let actionEl = await driver.findElementRaw('-android uiautomator', `new UiSelector().text("${action}")`);
    if (!actionEl) {
      actionEl = await driver.findElementRaw('-android uiautomator', 'new UiSelector().text("Presses once")');
    }
    if (!actionEl) { console.log('FAIL: no action option'); return false; }
    await driver.tapElement(actionEl);
    await sleep(2000);

    const editText = await driver.findElementRaw('-android uiautomator', 'new UiSelector().text("Enter Scene name")');
    if (editText) {
      await driver.tapElement(editText);
      await sleep(300);
      await driver.typeText(editText, name);
      await sleep(300);
      await driver.goBack();
      await sleep(500);
    }

    const saveEl = await driver.findElementRaw('-android uiautomator', 'new UiSelector().text("Save")');
    if (!saveEl) { console.log('FAIL: no Save'); return false; }
    await driver.tapElement(saveEl);
    await sleep(2000);
    await dismissSaveConfirmCancel(driver); // Save 后弹"立即执行一次?"确认框 → 点 Cancel(场景已保存)
    await sleep(1000);
    return true;
  }

  // iOS
  const addAction = await driver.findElementRaw('predicate string', 'name BEGINSWITH "Add action" AND name CONTAINS "E.g."');
  if (!addAction) { console.log('FAIL: no Add action'); return false; }
  const aaRect = await driver.getElementRect(addAction);
  await driver.tap(aaRect.x + aaRect.width / 2, aaRect.y + aaRect.height / 2);

  const smartDevices = await waitForElement(driver, 'predicate string', 'name CONTAINS "Smart Devices"', 6000);
  if (!smartDevices) { console.log('FAIL: no Smart Devices'); return false; }
  await driver.tapElement(smartDevices);

  let picked = false;
  {
    // iOS 设备列表很长(Bot 等靠后设备 y 远超窗口,如 y=1885 在 844 窗口外)。用**首页同款滑动法 driver.scrollDown**
    // (居中 0.1s 快速甩动,实测稳定滚动、不误点行)循环查找:**仅当目标在可视区(窗口高内)才点中心**,
    // 找到即停、到底(页面签名不再变化)即停。修复旧版"找到 off-screen 元素仍点 y=1885 屏外"导致没选中的 bug。
    const { height: winH } = await driver.getWindowSize().catch(() => ({ height: 844 }));
    let lastSig = '';
    for (let r = 0; r < 14 && !picked; r++) {
      const el = await driver.findElementRaw('predicate string', `name CONTAINS "${deviceKeyword}" OR label CONTAINS "${deviceKeyword}"`).catch(() => null);
      if (el) {
        const rect = await driver.getElementRect(el).catch(() => null);
        if (rect && rect.width > 0 && rect.y > winH * 0.11 && rect.y + rect.height < winH * 0.95) {
          await driver.tap(Math.round(rect.x + rect.width / 2), Math.round(rect.y + rect.height / 2));
          picked = true;
          break;
        }
      }
      const sig = (await driver.getSource()).slice(-2500); // 到底检测:滚动前后尾部签名不变 = 已到底
      if (sig === lastSig) break;
      lastSig = sig;
      await driver.scrollDown(500);
      await sleep(900);
    }
  }
  if (!picked) { console.log(`FAIL: no ${deviceKeyword}(可视区)`); return false; }

  const actionEl = await waitForElement(driver, 'name', action, 5000);
  if (!actionEl) {
    // Fallback: if Bot is in Press mode, "Turns off/on" won't exist
    const pressEl = await driver.findElementRaw('name', 'Presses once');
    if (!pressEl) { console.log('FAIL: no action ' + action); return false; }
    await driver.tapElement(pressEl);
  } else {
    await driver.tapElement(actionEl);
  }
  await sleep(1500);

  const tfs = await driver.findElementsRaw('class name', 'XCUIElementTypeTextField');
  if (tfs.length > 0) {
    await driver.tapElement(tfs[0]);
    await sleep(300);
    await driver.typeText(tfs[0], name);
    await sleep(300);
    const done = await driver.findElementRaw('name', 'Done');
    if (done) { await driver.tapElement(done); }
    else { await driver.tap(195, 400); }
    await sleep(1000);
  }

  const saveEl = await driver.findElementRaw('name', 'Save');
  if (!saveEl) { console.log('FAIL: no Save'); return false; }
  await driver.tapElement(saveEl);
  await sleep(2000);
  await dismissSaveConfirmCancel(driver); // Save 后弹"立即执行一次?"确认框 → 点 Cancel(场景已保存)
  await sleep(1000);
  return true;
}

export async function executeSceneFromHomepage(driver: DeviceDriver, sceneName: string): Promise<boolean> {
  if (driver.platform === 'android') {
    await driver.goBackToHomepage();
    await sleep(500);
    try {
      const homeTab = await driver.findElementRaw('accessibility id', 'Home');
      if (homeTab) { await driver.tapElement(homeTab); await sleep(1000); }
    } catch { /* stale */ }

    for (let i = 0; i < 5; i++) {
      const sceneEl = await driver.findElementRaw('-android uiautomator', `new UiSelector().textContains("${sceneName}")`);
      if (sceneEl) {
        await driver.tapElement(sceneEl);
        await sleep(1500);
        return true;
      }
      await driver.scrollDown(300);
      await sleep(800);
    }
    return false;
  }

  // iOS:手动场景作为可点条目出现在首页。用首页滑动法循环查找,**仅可视区命中才点**(旧版 tapElement 会点屏外元素),找到即停/到底即停。
  await driver.goBackToHomepage().catch(() => {});
  await ensureHomeTab(driver);
  await sleep(800);
  const { height: winH } = await driver.getWindowSize().catch(() => ({ height: 844 }));
  let lastSig = '';
  for (let i = 0; i < 14; i++) {
    const el = await driver.findElementRaw('predicate string', `name CONTAINS "${sceneName}" OR label CONTAINS "${sceneName}"`).catch(() => null);
    if (el) {
      const rect = await driver.getElementRect(el).catch(() => null);
      if (rect && rect.width > 0 && rect.y > winH * 0.08 && rect.y + rect.height < winH * 0.95) {
        await driver.tap(Math.round(rect.x + rect.width / 2), Math.round(rect.y + rect.height / 2));
        await sleep(1500);
        return true;
      }
    }
    const sig = (await driver.getSource()).slice(-2500);
    if (sig === lastSig) break;
    lastSig = sig;
    await driver.scrollDown(500);
    await sleep(900);
  }
  return false;
}

export async function deleteScene(driver: DeviceDriver, sceneName: string): Promise<boolean> {
  if (driver.platform === 'android') {
    try {
      const homeTab = await driver.findElementRaw('accessibility id', 'Home');
      if (homeTab) { await driver.tapElement(homeTab); await sleep(1000); }
    } catch { /* stale */ }

    const moreBtn = await driver.findElementRaw('id', 'com.theswitchbot.switchbot:id/moreBto');
    if (!moreBtn) return false;
    await driver.tapElement(moreBtn);
    await sleep(1500);

    const manageEl = await driver.findElementRaw('-android uiautomator', 'new UiSelector().text("Manage Scenes")');
    if (!manageEl) return false;
    await driver.tapElement(manageEl);

    let sceneEl: string | null = null;
    for (let i = 0; i < 15; i++) {
      await sleep(1000);
      sceneEl = await driver.findElementRaw('-android uiautomator', `new UiSelector().textContains("${sceneName}")`);
      if (sceneEl) break;
    }
    if (!sceneEl) return false;
    await driver.tapElement(sceneEl);
    await sleep(2000);

    let delEl = await driver.findElementRaw('-android uiautomator', 'new UiSelector().text("Delete")');
    if (!delEl) {
      await driver.scrollDown(300);
      await sleep(500);
      delEl = await driver.findElementRaw('-android uiautomator', 'new UiSelector().text("Delete")');
    }
    if (!delEl) return false;
    await driver.tapElement(delEl);
    await sleep(2000);

    const confirmEl = await driver.findElementRaw('-android uiautomator', 'new UiSelector().text("Delete")');
    if (confirmEl) {
      await driver.tapElement(confirmEl);
      await sleep(1500);
    }
    return true;
  }

  // iOS
  await driver.tap(347, 48);
  await sleep(1500);
  const manageEl = await driver.findElementRaw('name', 'Manage Scenes');
  if (!manageEl) return false;
  await driver.tapElement(manageEl);
  await sleep(2000);

  const source = await driver.getSource();
  if (!source.includes(sceneName)) return false;

  const myScenesEl = await driver.findElementRaw('name', 'My Scenes');
  if (!myScenesEl) return false;
  const msRect = await driver.getElementRect(myScenesEl);
  await driver.tap(195, msRect.y + msRect.height + 40);
  await sleep(2000);

  const editSource = await driver.getSource();
  if (!editSource.includes('Edit Scene')) return false;

  const delEl = await driver.findElementRaw('name', 'Delete');
  if (!delEl) return false;
  await driver.tapElement(delEl);
  await sleep(1500);

  const delConfirm = await driver.findElementRaw('name', 'Delete');
  if (delConfirm) {
    await driver.tapElement(delConfirm);
    await sleep(1500);
  }
  return true;
}

export async function verifySceneInLogs(driver: DeviceDriver, sceneName: string): Promise<boolean> {
  if (driver.platform === 'android') {
    const navigated = await navigateToManageScenes(driver);
    if (!navigated) return false;
    await sleep(1500);
    // 场景日志入口:Manage Scenes 右上角有两个图标(左=Create,右=日志)。id 会命中 Create,故直接点最右图标坐标(1080×2280 约 1010,175)→ 菜单 "Scene Logs"。
    await driver.tap(1010, 175);
    await sleep(1500);
    const logsEl = await driver.findElementRaw('-android uiautomator', 'new UiSelector().text("Scene Logs")');
    if (!logsEl) { console.log('未进入 Scene Logs 菜单'); return false; }
    await driver.tapElement(logsEl);
    await sleep(2500);
    const source = await driver.getSource();
    const has = source.includes(sceneName); // 日志页含该场景名 = 已执行(记录)
    console.log(`Scene Logs 有执行记录(${sceneName}): ${has}`);
    return has;
  }

  // iOS: navigate to Manage Scenes
  await driver.tap(347, 48);
  await sleep(1500);
  const manageEl = await driver.findElementRaw('name', 'Manage Scenes');
  if (!manageEl) return false;
  await driver.tapElement(manageEl);
  await sleep(2000);

  // Find the scene and tap to enter detail
  const sceneEl = await driver.findElementRaw('predicate string', `name CONTAINS "${sceneName}"`);
  if (!sceneEl) return false;
  await driver.tapElement(sceneEl);
  await sleep(2000);

  // Tap the top-right button to see execution history/status
  const navBar = await driver.findElementRaw('class name', 'XCUIElementTypeNavigationBar');
  if (navBar) {
    const navRect = await driver.getElementRect(navBar);
    // Top-right corner of navigation bar
    await driver.tap(navRect.x + navRect.width - 30, navRect.y + navRect.height / 2);
    await sleep(2000);
  }

  const source = await driver.getSource();
  return source.includes('Success') || source.includes('success') || source.includes('Executed') || source.includes(sceneName);
}

/**
 * 通用动作选择(场景/自动化共用):在"Add action 后的动作来源页"点 Smart Devices → 找设备 → 选动作。
 * 兼容 Bot 两模式(按压=Presses once / 开关=Turns off/Turns on)与其它设备动作。
 * 调用前:已点过 "Add action"(处于动作来源选择页)。
 * @param actionPref 优先尝试的动作文本(如 'Turns off' / 'Presses once');找不到按通用顺序兜底。
 */
export async function selectSmartDeviceAction(
  driver: DeviceDriver,
  deviceKeyword: string,
  actionPref?: string
): Promise<boolean> {
  const tap = async (sel: string, val: string) => {
    const el = await driver.findElementRaw(sel, val);
    if (el) { await driver.tapElement(el); return true; }
    return false;
  };
  if (!(await tap('-android uiautomator', 'new UiSelector().text("Smart Devices")'))) {
    console.log('FAIL: no Smart Devices'); return false;
  }
  await sleep(2000);
  // 找设备(滚动)
  let dev: string | null = null;
  for (let i = 0; i < 12 && !dev; i++) {
    dev = await driver.findElementRaw('-android uiautomator', `new UiSelector().textContains("${deviceKeyword}")`);
    if (!dev) { await driver.scrollDown(400); await sleep(700); }
  }
  if (!dev) { console.log(`FAIL: no device ${deviceKeyword}`); return false; }
  await driver.tapElement(dev);
  await sleep(2000);
  // 选动作:优先 actionPref,再兜底 Presses once / Turns off / Turns on
  const candidates = [actionPref, 'Presses once', 'Turns off', 'Turns on'].filter(Boolean) as string[];
  for (const a of candidates) {
    if (await tap('-android uiautomator', `new UiSelector().text("${a}")`)) {
      console.log(`选动作: ${a}`);
      await sleep(2000);
      return true;
    }
  }
  console.log('FAIL: no action option'); return false;
}