import { DeviceDriver, ElementLocator, Rect, Platform } from './types';
import { WDAHelper } from '../utils/wda-helper';

export class WDADriver implements DeviceDriver {
  readonly platform: Platform = 'ios';
  private wda: WDAHelper;

  constructor(host = 'localhost', port = 8100) {
    this.wda = new WDAHelper(host, port);
  }

  async createSession(): Promise<void> {
    await this.wda.createSession();
  }

  async destroySession(): Promise<void> {
    await this.wda.destroySession();
  }

  async activateApp(appId: string): Promise<void> {
    await this.wda.activateAppById(appId);
  }

  async findElement(locator: ElementLocator): Promise<string | null> {
    if (!locator.ios) throw new Error(`Locator "${locator.name}" has no iOS strategy`);
    return this.wda.findElement(locator.ios.using, locator.ios.value);
  }

  async findElements(locator: ElementLocator): Promise<string[]> {
    if (!locator.ios) throw new Error(`Locator "${locator.name}" has no iOS strategy`);
    return this.wda.findElements(locator.ios.using, locator.ios.value);
  }

  async findElementRaw(using: string, value: string): Promise<string | null> {
    return this.wda.findElement(using, value);
  }

  async findElementsRaw(using: string, value: string): Promise<string[]> {
    return this.wda.findElements(using, value);
  }

  async getElementRect(elementId: string): Promise<Rect> {
    return this.wda.getElementRect(elementId);
  }

  async getElementAttribute(elementId: string, attr: string): Promise<string> {
    return this.wda.getElementAttribute(elementId, attr);
  }

  async tap(x: number, y: number): Promise<void> {
    return this.wda.tap(x, y);
  }

  async doubleTap(x: number, y: number): Promise<void> {
    return this.wda.doubleTap(x, y);
  }

  async longPress(x: number, y: number, duration = 2): Promise<void> {
    return this.wda.longPress(x, y, duration);
  }

  async tapElement(elementId: string): Promise<void> {
    return this.wda.tapElement(elementId);
  }

  async clickElement(elementId: string): Promise<void> {
    return this.wda.clickElement(elementId);
  }

  async typeText(elementId: string, text: string): Promise<void> {
    return this.wda.typeText(elementId, text);
  }

  async clearText(elementId: string): Promise<void> {
    return this.wda.clearText(elementId);
  }

  async swipe(fromX: number, fromY: number, toX: number, toY: number, duration = 0.5): Promise<void> {
    return this.wda.swipe(fromX, fromY, toX, toY, duration);
  }

  async scrollDown(distance = 300): Promise<void> {
    return this.wda.scrollDown(distance);
  }

  async scrollUp(distance = 300): Promise<void> {
    return this.wda.scrollUp(distance);
  }

  async goBack(): Promise<void> {
    await this.wda.tap(33, 69);
  }

  async getSource(): Promise<string> {
    return this.wda.getSource();
  }

  async getWindowSize(): Promise<{ width: number; height: number }> {
    return this.wda.getWindowSize();
  }

  async screenshot(): Promise<string> {
    return this.wda.screenshot();
  }

  async tapByLocator(locator: ElementLocator): Promise<boolean> {
    const elemId = await this.findElement(locator);
    if (!elemId) return false;
    await this.tapElement(elemId);
    return true;
  }

  async waitForElement(locator: ElementLocator, timeoutMs = 10000): Promise<string | null> {
    const start = Date.now();
    while (Date.now() - start < timeoutMs) {
      const elemId = await this.findElement(locator);
      if (elemId) return elemId;
      await new Promise((r) => setTimeout(r, 500));
    }
    return null;
  }

  async isElementVisible(locator: ElementLocator): Promise<boolean> {
    const elemId = await this.findElement(locator);
    if (!elemId) return false;
    const visible = await this.getElementAttribute(elemId, 'visible');
    return visible === 'true' || visible === '1';
  }

  async findBotCard(): Promise<string | null> {
    return this.findDeviceCard('Bot');
  }

  async findDeviceCard(deviceName: string): Promise<string | null> {
    const predicates = [
      `name CONTAINS "${deviceName}" AND type == "XCUIElementTypeCell"`,
    ];
    for (const pred of predicates) {
      const elems = await this.findElementsRaw('predicate string', pred);
      if (elems.length > 0) return elems[0];
    }
    return null;
  }

  async isOnHomepage(): Promise<boolean> {
    return this.wda.isOnHomepage();
  }

  async goBackToHomepage(): Promise<boolean> {
    return this.wda.goBackToHomepage();
  }

  async dismissPopupIfPresent(): Promise<boolean> {
    const source = await this.getSource();
    if (source.includes('XCUIElementTypeAlert')) {
      const dismissButtons = ['OK', 'Got it', 'Close', 'Cancel', 'Confirm', 'Allow', "Don't Allow", 'Later', 'Skip', 'Done'];
      for (const btn of dismissButtons) {
        const el = await this.findElementRaw('name', btn);
        if (el) {
          await this.tapElement(el);
          await new Promise(r => setTimeout(r, 1000));
          return true;
        }
      }
    }
    if (source.includes('Upgrade') || source.includes("What's New")) {
      const dismissButtons = ['Close', 'Later', 'Skip', 'Not Now'];
      for (const btn of dismissButtons) {
        const el = await this.findElementRaw('name', btn);
        if (el) {
          await this.tapElement(el);
          await new Promise(r => setTimeout(r, 1000));
          return true;
        }
      }
    }
    return false;
  }
}