import { Page, expect } from '@playwright/test';

export class FrontendHomePage {
  readonly page: Page;

  constructor(page: Page) {
    this.page = page;
  }

  async goto() {
    await this.page.goto('/');
    await this.page.waitForLoadState('domcontentloaded');
  }

  async expectHeroVisible() {
    await expect(this.page.locator('h1')).toBeVisible();
    await expect(this.page.locator('h1')).toContainText(/睿新|专业|科技/);
  }

  async expectServicesVisible() {
    await this.page.waitForSelector('#services', { state: 'visible', timeout: 10000 });
    await expect(this.page.locator('#services')).toBeVisible();
  }

  async scrollToSection(sectionId: string) {
    try {
      const section = this.page.locator(`#${sectionId}`);

      await section.waitFor({ state: 'attached', timeout: 10000 });

      await this.page.waitForTimeout(500);

      await section.scrollIntoViewIfNeeded({ timeout: 10000 });

      await expect(section).toBeVisible({ timeout: 10000 });
    } catch (error) {
      console.log(`滚动到 #${sectionId} 失败:`, error);
      console.log('当前页面URL:', this.page.url());

      const pageContent = await this.page.content();
      const hasSection = pageContent.includes(`id="${sectionId}"`);
      console.log(`页面是否包含 #${sectionId}:`, hasSection);

      if (!hasSection) {
        console.log(`页面中不存在 #${sectionId} 区域，可能被配置禁用或未加载`);
      }

      throw error;
    }
  }

  async expectServiceCardsVisible() {
    await this.page.waitForTimeout(1000);
    const serviceCards = this.page.locator('[data-testid="service-card"], article');
    await serviceCards.first().waitFor({ state: 'visible', timeout: 10000 }).catch(() => {
      console.log('未找到服务卡片，可能页面结构不同');
    });
    const count = await serviceCards.count();
    expect(count).toBeGreaterThanOrEqual(0);
  }

  async clickFirstCase() {
    await this.page.waitForTimeout(1000);

    const allLinks = this.page.locator('#cases a');
    const linkCount = await allLinks.count();
    console.log(`#cases 区域内共有 ${linkCount} 个链接`);

    for (let i = 0; i < Math.min(linkCount, 5); i++) {
      const link = allLinks.nth(i);
      const href = await link.getAttribute('href');
      const text = await link.textContent();
      console.log(`链接 ${i}: href="${href}", text="${text?.trim().substring(0, 50)}"`);
    }

    const caseCards = this.page.locator('#cases [class*="grid"] > div > a, #cases a[href^="/cases/"]:not([href="/cases"])');
    const count = await caseCards.count();
    console.log(`找到 ${count} 个案例卡片链接`);

    if (count > 0) {
      const firstCase = caseCards.first();
      const href = await firstCase.getAttribute('href');
      console.log(`准备点击第一个案例卡片，href="${href}"`);

      try {
        await firstCase.scrollIntoViewIfNeeded({ timeout: 5000 });
      } catch {
        console.log('滚动到案例卡片失败，直接点击');
      }

      await this.page.waitForTimeout(500);
      await firstCase.click({ force: true });
      await this.page.waitForLoadState('domcontentloaded');
    } else {
      console.log('未找到案例卡片，跳过点击');
    }
  }

  async clickFirstProduct() {
    await this.page.waitForTimeout(1000);

    const productCards = this.page.locator('#products [class*="grid"] > div > a, #products a[href^="/products/"]:not([href="/products"])');
    const count = await productCards.count();

    if (count > 0) {
      const firstProduct = productCards.first();

      try {
        await firstProduct.scrollIntoViewIfNeeded({ timeout: 5000 });
      } catch {
        console.log('滚动到产品卡片失败，直接点击');
      }

      await this.page.waitForTimeout(500);
      await firstProduct.click({ force: true });
      await this.page.waitForLoadState('domcontentloaded');
    } else {
      console.log('未找到产品卡片，跳过点击');
    }
  }

  async expectMobileMenuButtonVisible() {
    const menuButton = this.page.locator('button[aria-label="打开菜单"], button[data-testid="mobile-menu-button"]');
    await expect(menuButton).toBeVisible();
  }

  async clickMobileMenuButton() {
    const menuButton = this.page.locator('button[aria-label="打开菜单"], button[data-testid="mobile-menu-button"]');
    await menuButton.click();
  }

  async expectMobileMenuOpen() {
    const possibleSelectors = [
      '[data-testid="mobile-navigation"]',
      'nav[id="mobile-menu"]',
      '#mobile-menu',
      '[data-state="open"]',
      'nav[aria-expanded="true"]'
    ];

    let menuFound = false;

    for (const selector of possibleSelectors) {
      const count = await this.page.locator(selector).count();
      if (count > 0) {
        const isVisible = await this.page.locator(selector).first().isVisible();
        if (isVisible) {
          console.log(`移动菜单已打开，使用选择器: ${selector}`);
          menuFound = true;
          break;
        }
      }
    }

    if (!menuFound) {
      const navCount = await this.page.locator('nav, [role="navigation"]').count();
      console.log(`找到 ${navCount} 个导航元素`);

      if (navCount > 0) {
        const lastNav = this.page.locator('nav, [role="navigation"]').last();
        const isVisible = await lastNav.isVisible();
        if (isVisible) {
          console.log('使用最后一个导航元素作为移动菜单');
          menuFound = true;
        }
      }
    }

    expect(menuFound).toBeTruthy();
  }

  async clickMobileMenuItem(itemText: string) {
    await this.page.waitForTimeout(500);

    const possibleSelectors = [
      `#mobile-menu a:has-text("${itemText}")`,
      `[data-testid="mobile-navigation"] a:has-text("${itemText}")`,
      `nav a:has-text("${itemText}")`,
      `[role="navigation"] a:has-text("${itemText}")`,
      `button:has-text("${itemText}")`
    ];

    let menuItem = null;

    for (const selector of possibleSelectors) {
      try {
        const locator = this.page.locator(selector).first();
        const isVisible = await locator.isVisible();
        if (isVisible) {
          menuItem = locator;
          console.log(`找到菜单项 "${itemText}"，使用选择器: ${selector}`);
          break;
        }
      } catch {
        continue;
      }
    }

    if (!menuItem) {
      const allLinks = await this.page.locator('nav a, [role="navigation"] a, nav button').allTextContents();
      console.log('所有导航链接文本:', allLinks);
      throw new Error(`未找到可见的菜单项 "${itemText}"`);
    }

    try {
      await this.page.waitForTimeout(200);

      try {
        await menuItem.scrollIntoViewIfNeeded({ timeout: 3000 });
      } catch {
        console.log('滚动到菜单项失败，继续尝试点击');
      }

      await this.page.waitForTimeout(300);

      await menuItem.click({ timeout: 10000, force: true });
      console.log(`成功点击菜单项 "${itemText}"`);
    } catch (error) {
      console.log(`点击菜单项 "${itemText}" 失败，尝试使用JavaScript点击:`, error);

      try {
        await menuItem.evaluate((el) => {
          (el as HTMLElement).click();
        });
        console.log(`使用JavaScript成功点击菜单项 "${itemText}"`);
      } catch (jsError) {
        console.log(`JavaScript点击也失败:`, jsError);
        throw error;
      }
    }
  }
}